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REVIEW 3 major objections 5 minor 146 references

Event-Based Spatial-Carrier Interferometry for Surface-Normal Vibration-Waveform Reconstruction

T0 review · 3 major / 5 minor · reviewed 2026-08-05 · deepseek-v4-flash

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Pith's one-line read Event-based spatial-carrier interferometry reconstructs out-of-plane vibration waveforms from asynchronous fringe events.

desk verdict A genuinely new combination—event-camera spatial-carrier interferometry for out-of-plane vibration—with LDV-backed accuracy; the approximate demodulation identity deserves a synthetic test but is not a fatal flaw. read the letter →

arxiv 2608.03343 v1 pith:7Y4L5YO3 submitted 2026-08-04 physics.app-ph physics.optics

Ryogo Niwa , Tatsuki Fushimi , Yoichi Ochiai This is my paper
classification physics.app-phphysics.optics
keywords eventcameraspatial-carrierinterferometryvibrationmeasurementinterferometricphaserecoverylaserDopplervibrometryevent-densitydemodulationfull-fieldout-of-planedisplacement
verification ladder T0 review T1 audit T2 compute T3 formal

The pith

A machine-rendered reading of the paper's core claim, the machinery that carries it, and where it could break.

The reading

This paper tries to establish that an event camera, which records only brightness changes, can reconstruct the waveform of small out-of-plane vibrations from moving interference fringes. The method converts fixed-event-count windows into signed event-density maps, demodulates them at a spatial carrier, and recovers the interferometric phase by squaring the demodulated signal to remove motion-direction sign ambiguity. Reconstructed waveforms agree with a laser Doppler vibrometry reference over broad drive-frequency and amplitude ranges, with failures tied to pixel dead time, readout overload, and insufficient fringe periods in the analysis aperture. If the claim holds, non-contact vibration measurement avoids the frame-rate-versus-resolution trade-off of frame-based cameras and can be applied region by region for spatially resolved vibrometry.

What carries the argument

Signed event-density maps plus spatial-carrier demodulation with $D^2$ phase recovery. Each fixed-event-count window of asynchronous events is accumulated with polarity and Gaussian-smoothed to form $S_n(x,y)$; multiplication by the conjugate carrier $\exp[-i(k_x x+k_y y)]$ and low-pass filtering isolates the complex envelope $D_n$. Squaring $D$ removes the $\dot{\psi}$ sign ambiguity and enables continuous phase unwrapping, directly giving the interferometric phase and hence displacement.

What would settle it

Drive a mirror sinusoidally while varying the DC background relative to fringe contrast (for example by changing reference-beam intensity), with laser Doppler vibrometry as ground truth. If reconstruction error grows monotonically as the background-to-contrast ratio increases, the central demodulation identity is failing; if error stays flat, the approximation is robust.

Watch

Extended reading notes

Core claim

The central claim is that signed event-density maps approximate the temporal derivative of log intensity, so for a spatial-carrier fringe pattern $I(r,t)=a(r)+b(r)\cos(k_c\cdot r+\phi(r)+\psi(t))$, demodulation yields a complex signal $D(t)\propto \dot{\psi}(t)\exp[i\psi(t)]$. Because the velocity factor $\dot{\psi}(t)$ changes sign at vibration turning points, the unwrapped phase of $D(t)$ shows an apparent $\pi$ jump; squaring gives $D^2(t)\propto \dot{\psi}^2(t)\exp[i2\psi(t)]$, and one half of the unwrapped phase of $D^2(t)$ recovers $\psi(t)$ up to a constant offset. Since $\psi(t)=4\pi z(t)/\lambda$ for a Michelson interferometer, the out-of-plane displacement waveform $z(t)$ follows d

Load-bearing premise

The whole phase-recovery chain rests on assuming that signed event-density maps faithfully represent the time derivative of log intensity; for a fringe with a nonzero background term, the derivative has a denominator whose own spatial-frequency content could contaminate the demodulated baseband and break the $D^2$ phase recovery.

Editorial extensions

If this is right

  • Non-contact vibration waveform measurement can work at event-camera temporal resolution without sacrificing spatial resolution or field of view.
  • The same pipeline is spatially local: ROIs about two carrier periods wide and one fringe period high suffice, enabling region-by-region full-field vibration mapping.
  • Accuracy is governed by measurable sensor-side limits, notably the per-pixel dead time (about $11\,\mu$s) and readout bandwidth, so the operating envelope can be predicted a priori.
  • Fine fringe pitch should allow proportionally smaller analysis apertures, since the minimum ROI scales with fringe period rather than pixel count.

Reading between the lines

Editorial extensions of the paper, not claims the author makes directly.

  • The $D^2$ demodulation is not tied to sinusoidal steady-state motion; it should also recover transient or non-sinusoidal out-of-plane waveforms, which could be tested with chirp or impact drive signals.
  • If the minimum ROI indeed scales with fringe pitch, increasing the spatial-carrier frequency could push full-field spatial resolution toward tens of micrometers, turning the method into a true mode-shape imager.
  • Event loss and row-wise timing skew under high event load are treated here as envelope boundaries; modeling the sensor's address-event arbitration could extend the usable range beyond the overload-limited region.
  • The method's dependence on estimating the carrier from the FFT of event maps suggests that adaptive carrier tracking might handle slowly drifting or nonuniform carriers.
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Editorial analysis

A structured set of objections, weighed in public.

Desk editor's note, referee report, and a circularity audit.

Referee Report

3 major / 5 minor

Summary. The paper proposes an event-camera-based spatial-carrier interferometry method for reconstructing out-of-plane vibration waveforms. A Michelson interferometer with a tilted reference mirror generates spatial-carrier fringes whose lateral motion is recorded as asynchronous events. The authors build fixed-event-count signed event-density maps, spatially demodulate them at the carrier frequency (Eq. 4), and recover the interferometric phase through a D^2 operation (Eq. 6) that removes the sign ambiguity of the phase velocity at turning points. They validate the approach against a laser Doppler vibrometer (LDV) reference over a range of drive frequencies and displacement amplitudes, characterize the limiting maximum fringe speed, and study the minimum local ROI size needed for spatially resolved reconstruction. The central claim is that event-based spatial-carrier interferometry reconstructs vibration waveforms from moving interference fringes, avoiding the frame-rate/resolution trade-off of frame-based cameras.

Significance. If the central claim holds, this is a useful experimental demonstration of a non-contact, full-field-capable vibration measurement modality. The method directly targets a real limitation of frame-based interferometry, and the use of event-density demodulation with D^2 phase recovery is a sensible way to handle the turning-point sign ambiguity. The paper provides a clear pipeline, a broad operating-envelope map, a local-ROI analysis with pass rates, and a data-availability statement. Credit is also due for making the experimental conditions and diagnostics (dead-time boundary, sensor-performance ratio) explicit. However, the central demodulation identity is asserted without a quantitative bound or synthetic validation, and the experimental validation is limited to sinusoidal drives with single, unrepeated measurements; these issues need to be addressed before the claim can be considered fully established.

major comments (3)
  1. [Eqs. (5)-(6), 'Event-based spatial-carrier demodulation and phase recovery'] Equation (5) is load-bearing: all reconstructions in Figs. 4 and 5 pass through D^2 phase recovery. The paper explicitly calls Eq. (5) approximate but provides no analytical bound or numerical check. For I=a+b cos(kc·r+φ+ψ), d_t log I = -b ψdot sinθ/(a+b cosθ); the denominator is not a pure carrier, so its reciprocal contains higher harmonics and broadens the spectrum through spatial variations of a, b, and φ. The unspecified LPF in Eq. (4) cannot in general isolate exactly ψdot exp(iψ), and leakage would bias arg D^2. A synthetic event-stream test with known ψ(t), realistic a(r), b(r), φ(r), and event-threshold noise is needed, reporting phase error versus LPF parameters and event thresholds.
  2. [Operating-envelope analysis and Fig. 4] The validation uses only sinusoidal drives, and the three metrics E_f, E_A, E_phi compare only frequency, fundamental amplitude, and fundamental phase of one FFT peak. No harmonic-error or full-time-domain-waveform comparison is reported, so the phrase 'waveform reconstruction' is stronger than the evidence. In addition, each (f,W_pp) condition appears to be a single measurement without error bars, and the LDV reference was recorded in a separate run rather than simultaneously. Please add repeated trials, report uncertainties, and quantify the trigger/phase repeatability that makes the separate LDV and event runs directly comparable.
  3. [Eq. (6) and Fig. 3, turning-point handling] At a turning point ψdot=0, so D^2(t) has zero amplitude and its phase is undefined. The manuscript does not specify how samples near zero |D^2| are treated during unwrapping or how t_n is assigned when a fixed 500-event window straddles a turning point. Because the reconstructed turning points are exactly where this issue occurs, the omission is relevant to the central waveform claim. Please describe the interpolation/unwrapping rule and test sensitivity to the zero-amplitude handling.
minor comments (5)
  1. [Eq. (4)] The low-pass filter is never specified (kernel, cutoff, or implementation). This matters for reproducibility and should be stated in the main text or supplementary material.
  2. [Operating-envelope analysis] Figure 4 color scales are clipped at 26.37 Hz and 12 dB, but the clipping values and the treatment of out-of-range points are not explained. Please define the color scale and mark unmeasured or clip-limited cells clearly.
  3. [Eqs. (7)-(9)] The signed errors are defined, but Fig. 4 shows only absolute values. Plotting signed E_A and E_phi (or reporting bias) would show whether the method systematically over- or under-estimates amplitude/phase.
  4. [Experimental setup] The paper states that simultaneous LDV and event-camera operation is not possible, but does not give a quantitative measure of trigger or clock synchronization. A sentence on event-camera timestamp resolution and trigger latency would help assess the phase-error metric.
  5. [Sensitivity analysis] The fixed-event-count sensitivity analysis is mentioned only via the supplementary material. Please summarize the range of N and sigma considered and the criterion for choosing N=500, sigma=1.5 in the main text.

Circularity Check

0 steps flagged · score 2.0 of 10

No significant circularity: the reconstruction is a self-contained demodulation chain benchmarked against independent LDV, with only a minor non-load-bearing self-citation.

full rationale

The derivation chain is self-contained. The reconstruction starts from the standard interferometric relation ψ(t)=4πz(t)/λ (Eq. 2), converts event polarities into signed event-density maps, applies spatial-carrier demodulation (Eq. 4), and derives the D^2 phase-recovery relation (Eqs. 5–6) algebraically from the assumed fringe model. No parameter is fitted to the LDV reference waveform; LDV is used only as an independent benchmark and for a one-time absolute-sign calibration, which is explicitly disclosed as a convention rather than a fitted prediction. The processing parameters N, σ, and ROI-size thresholds are sensitivity-analysis choices that do not encode the reconstructed waveform. The self-citation to the authors' prior event-topology visual vibrometer appears only in the introduction as background and is not load-bearing for the present method. The approximate nature of Eq. (5) is an accuracy limitation, not circularity: the paper does not claim to derive the identity from the measured result. Overall, there is no step in which a prediction reduces by construction to an input or to a self-citation.

Assumptions & free parameters 4 free parameters · 6 assumptions · 0 invented entities

The central derivation rests on the event-to-derivative approximation, the standard phase-displacement relation, and the spatial-carrier demodulation assumption. The paper's own tuning parameters are the event-window size, smoothing width, local-ROI event floor, and r_d threshold; none of these are fitted to the LDV target waveform, so the circularity burden is low.

free parameters (4)
  • N_event_count = 500
    Number of consecutive events per signed event-density map; chosen empirically to balance temporal resolution and demodulation stability (sensitivity analysis in supplementary).
  • sigma_gaussian = 1.5 px
    Gaussian smoothing standard deviation applied to event-density maps to suppress sparsity; chosen by hand.
  • N_local_roi_floor = 150 events
    Floor event count for small local ROIs; chosen for stable phase demodulation.
  • rd_max_threshold = 1.3
    Sensor-performance threshold used to select 17 records for the local-ROI pass-rate analysis; author-defined filter.
assumptions (6)
  • domain assumption Signed event-density maps approximate the temporal derivative of log intensity, ∂_t log I(r,t)
    Invoked just before Eq. (5) to relate demodulated events to ψdot exp(iψ); exact only under ideal contrast conditions.
  • domain assumption ψ(t) = 4π z(t)/λ
    Standard Michelson phase-displacement relation (Eq. 2), treated as a known physical law.
  • standard math Low-pass filtering after carrier multiplication isolates the baseband component of the fringe signal
    Fourier fringe-analysis assumption from Takeda et al.; used in Eq. (4).
  • standard math Squaring the complex signal removes the sign of ψdot because ψdot^2 ≥ 0
    Algebraic step leading to Eq. (6); no hidden assumption beyond real-valued velocity.
  • domain assumption The target motion is piston-like and spatially uniform within each analysis ROI
    Stated in the analysis section; required to sample D_n at the ROI center and represent displacement by a single z(t).
  • domain assumption Sensor dead time (11 µs) and AER row arbitration govern event fidelity under high load
    Used to define the tπ = τdead boundary and explain row-wise skew; supported by cited sensor characterizations.

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Cite this review

Pith. "Pith review of Event-Based Spatial-Carrier Interferometry for Surface-Normal Vibration-Waveform Reconstruction." pith.science (2026). https://pith.science/paper/7Y4L5YO3

@misc{pith2026260803343,
  author       = {Pith},
  title        = {Pith review of: Event-Based Spatial-Carrier Interferometry for Surface-Normal Vibration-Waveform Reconstruction},
  year         = {2026},
  howpublished = {\url{https://pith.science/paper/7Y4L5YO3}},
  note         = {Machine review of arXiv:2608.03343}
}
read the original abstract

Non-contact measurement of small vibrations perpendicular to a surface supports the evaluation of mechanical structures, but in camera-based interferometry, increasing the frame rate makes a trade-off with the field of view and spatial resolution. By recording only brightness changes, event cameras avoid this trade-off and reach high temporal and spatial resolution; our previously reported event topology-based visual vibrometer recovers vibration from apparent motion. This high-speed, high-resolution sensing is well suited to full-field measurement, yet such vibration produces too little apparent motion to capture its waveform. Here we show that event-based spatial-carrier interferometry reconstructs that waveform from moving interference fringes. That displacement moves the fringes, and signed event-density maps built from the event stream are demodulated at the spatial carrier to recover the interferometric phase and fix the otherwise ambiguous motion direction at turning points. Reconstructed waveforms agree with laser Doppler vibrometry over broad drive-frequency and amplitude ranges, with limits set by the maximum fringe speed and the sensor performance. Reconstruction is limited by a minimum aperture of about two fringe periods along the carrier and one along the fringes, which allows the surface to be mapped region by region. These results provide an empirical basis for full-field, spatially resolved interferometric vibrometry with event cameras as a non-contact measurement technique.

Figures

Figures reproduced from arXiv: 2608.03343 by the authors.

Figure 2
Figure 2. FIG. 2. Frame- and event-based sampling. A frame camera [PITH_FULL_IMAGE:figures/full_fig_p002_2.png] view at source ↗
Figure 1
Figure 1. FIG. 1. (a) Experimental setup: a spatial-carrier Michelson [PITH_FULL_IMAGE:figures/full_fig_p002_1.png] view at source ↗
Figure 3
Figure 3. FIG. 3. Event-based spatial-carrier demodulation and phase recovery. (a) Spatial-carrier demodulation of a signed event [PITH_FULL_IMAGE:figures/full_fig_p003_3.png] view at source ↗
Figures from the paper (2 more)
Figure 4
Figure 4. Figure 4: FIG. 4. Operating envelope and representative reconstructions. Top: maps of (a) sensor-performance ratio [PITH_FULL_IMAGE:figures/full_fig_p005_4.png]
Figure 5
Figure 5. Figure 5: FIG. 5. Local-ROI reconstruction performance. (a) Measured signed event map of the spatial-carrier fringe events within the [PITH_FULL_IMAGE:figures/full_fig_p006_5.png]

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Reference graph

Works this paper leans on

146 extracted references · 64 canonical work pages

  1. [1]

    Abril and Robert Plant

    Patricia S. Abril and Robert Plant. The patent holder's dilemma: Buy, sell, or troll?. Communications of the ACM. doi:10.1145/1188913.1188915

    work page arXiv

  2. [2]

    Deciding equivalances among conjunctive aggregate queries

    Sarah Cohen and Werner Nutt and Yehoshua Sagic. Deciding equivalances among conjunctive aggregate queries. doi:10.1145/1219092.1219093

    work page arXiv

  3. [3]

    Special issue: Digital Libraries. 1996

    1996

  4. [4]

    Understanding Policy-Based Networking

    David Kosiur. Understanding Policy-Based Networking

  5. [7]

    doi:10.1007/3-540-09237-4

    The title of book two. doi:10.1007/3-540-09237-4

    doi:10.1007/3-540-09237-4

  6. [8]

    Asad Z. Spector. Achieving application requirements. Distributed Systems. doi:10.1145/90417.90738

    arXiv

  7. [9]

    Douglass and David Harel and Mark B

    Bruce P. Douglass and David Harel and Mark B. Trakhtenbrot. Statecarts in use: structured analysis and object-orientation. Lectures on Embedded Systems. doi:10.1007/3-540-65193-4_29

    doi:10.1007/3-540-65193-4_29

  8. [10]

    Donald E. Knuth. The Art of Computer Programming, Vol. 1: Fundamental Algorithms (3rd. ed.)

Show all 146 references
  1. [11]

    Donald E. Knuth. The Art of Computer Programming

  2. [12]

    Structured Variational Inference Procedures and their Realizations (as incol)

    Dan Geiger and Christopher Meek. Structured Variational Inference Procedures and their Realizations (as incol). Proceedings of Tenth International Workshop on Artificial Intelligence and Statistics, The Barbados

  3. [13]

    Stan W. Smith. An experiment in bibliographic mark-up: Parsing metadata for XML export. Proceedings of the 3rd. annual workshop on Librarians and Computers

  4. [14]

    Catch me, if you can: Evading network signatures with web-based polymorphic worms

    Matthew Van Gundy and Davide Balzarotti and Giovanni Vigna. Catch me, if you can: Evading network signatures with web-based polymorphic worms. Proceedings of the first USENIX workshop on Offensive Technologies

  5. [15]

    Predicate Path expressions

    Sten Andler. Predicate Path expressions. Proceedings of the 6th. ACM SIGACT-SIGPLAN symposium on Principles of Programming Languages. doi:10.1145/567752.567774

  6. [16]

    LOGICS of Programs: AXIOMATICS and DESCRIPTIVE POWER

    David Harel. LOGICS of Programs: AXIOMATICS and DESCRIPTIVE POWER

  7. [17]

    Anisi , title =

    David A. Anisi , title =

  8. [18]

    Clarkson

    Kenneth L. Clarkson. Algorithms for Closest-Point Problems (Computational Geometry)

  9. [19]

    Introduction to Bayesian Statistics

    Harry Thornburg. Introduction to Bayesian Statistics. 2001

    2001

  10. [20]

    CLIFFORD: a Maple 11 Package for Clifford Algebra Computations, version 11

    Rafal Ablamowicz and Bertfried Fauser. CLIFFORD: a Maple 11 Package for Clifford Algebra Computations, version 11. 2007

    2007

  11. [21]

    Stats and Analysis

    Poker-Edge.Com. Stats and Analysis. 2006

    2006

  12. [22]

    A more perfect union

    Barack Obama. A more perfect union

  13. [23]

    The fountain of youth

    Joseph Scientist. The fountain of youth

  14. [24]

    Solder man

    Dave Novak. Solder man. ACM SIGGRAPH 2003 Video Review on Animation theater Program: Part I - Vol. 145 (July 27--27, 2003). doi:10.945/woot07-S422

    2003

  15. [25]

    Interview with Bill Kinder: January 13, 2005

    Newton Lee. Interview with Bill Kinder: January 13, 2005. Comput. Entertain. doi:10.1145/1057270.1057278

    2005

  16. [26]

    The Enabling of Digital Libraries

    Bernard Rous. The Enabling of Digital Libraries. Digital Libraries

  17. [28]

    (new) Finding minimum congestion spanning trees , journal =

    Werneck, Renato and Setubal, Jo\. (new) Finding minimum congestion spanning trees , journal =. doi:10.1145/351827.384253 , acmid = 384253, publisher =

  18. [30]

    and Mei, Alessandro , title =

    Conti, Mauro and Di Pietro, Roberto and Mancini, Luigi V. and Mei, Alessandro , title =. Inf. Fusion , volume =. 2009 , issn =. doi:10.1016/j.inffus.2009.01.002 , acmid =

    2009 doi

  19. [31]

    and Hutchful, David K

    Li, Cheng-Lun and Buyuktur, Ayse G. and Hutchful, David K. and Sant, Natasha B. and Nainwal, Satyendra K. , title =. CHI '08 extended abstracts on Human factors in computing systems , year =. doi:10.1145/1358628.1358946 , acmid =

  20. [32]

    , title =

    Hollis, Billy S. , title =. 1999 , isbn =

    1999

  21. [33]

    Goossens, Michel and Rahtz, S. P. and Moore, Ross and Sutor, Robert S. , title =. 1999 , isbn =

    1999

  22. [34]

    and Rosenberg, Arnold L

    Buss, Jonathan F. and Rosenberg, Arnold L. and Knott, Judson D. , title =. 1987 , source =

    1987

  23. [35]

    CHI '08: CHI '08 extended abstracts on Human factors in computing systems , year =

    , note =. CHI '08: CHI '08 extended abstracts on Human factors in computing systems , year =

  24. [36]

    Algorithms for Closest-Point Problems (Computational Geometry) , year =

    Clarkson, Kenneth Lee , advisor =. Algorithms for Closest-Point Problems (Computational Geometry) , year =

  25. [37]

    SIGCOMM Comput. Commun. Rev. , year =

  26. [38]

    2004 , isbn =

    IEEE TCSC Executive Committee , booktitle =. 2004 , isbn =. doi:http://dx.doi.org/10.1109/ICWS.2004.64 , acmid =

    2004 doi

  27. [39]

    Distributed systems (2nd Ed.) , year =

  28. [40]

    , title =

    Petrie, Charles J. , title =. 1986 , source =

    1986

  29. [41]

    Donald E. Knuth. Seminumerical Algorithms. 1981

    1981

  30. [42]

    E-commerce and cultural values , year =

    Kong, Wei-Chang , Title =. E-commerce and cultural values , year =

  31. [43]

    E-commerce and cultural values , year =

    Kong, Wei-Chang , type =. E-commerce and cultural values , year =

  32. [44]

    Chapter 9 , booktitle =

    Kong, Wei-Chang , editor =. Chapter 9 , booktitle =

  33. [45]

    E-commerce and cultural values , editor =

    Kong, Wei-Chang , title =. E-commerce and cultural values , editor =. 2003 , isbn =

    2003

  34. [46]

    E-commerce and cultural values - (InBook-num-in-chap) , chapter =

    Kong, Wei-Chang , editor =. E-commerce and cultural values - (InBook-num-in-chap) , chapter =. 2004 , address =

    2004

  35. [47]

    E-commerce and cultural values (Inbook-text-in-chap) , chapter =

    Kong, Wei-Chang , editor =. E-commerce and cultural values (Inbook-text-in-chap) , chapter =. 2005 , address =

    2005

  36. [48]

    E-commerce and cultural values (Inbook-num chap) , chapter =

    Kong, Wei-Chang , editor =. E-commerce and cultural values (Inbook-num chap) , chapter =. 2006 , address =

    2006

  37. [49]

    Microelectron

    Mehdi Saeedi and Morteza Saheb Zamani and Mehdi Sedighi , title =. Microelectron. J. , volume =. 2010 , pages =

    2010

  38. [50]

    Mehdi Saeedi and Morteza Saheb Zamani and Mehdi Sedighi and Zahra Sasanian , title =. J. Emerg. Technol. Comput. Syst. , volume =

  39. [51]

    Kirschmer, Markus and Voight, John , title =. SIAM J. Comput. , issue_date =. 2010 , issn =. doi:https://doi.org/10.1137/080734467 , acmid =

    2010 doi

  40. [52]

    Hoare, C. A. R. , title =. Structured programming (incoll) , editor =. 1972 , isbn =

    1972

  41. [53]

    History of programming languages I (incoll) , editor =

    Lee, Jan , title =. History of programming languages I (incoll) , editor =. 1981 , isbn =. doi:http://doi.acm.org/10.1145/800025.1198348 , acmid =

    1981

  42. [54]

    , title =

    Dijkstra, E. , title =. Classics in software engineering (incoll) , year =

  43. [55]

    , title =

    Wenzel, Elizabeth M. , title =. Multimedia interface design (incoll) , year =. doi:10.1145/146022.146089 , acmid =

  44. [56]

    , title =

    Mumford, E. , title =. Critical issues in information systems research (incoll) , year =

  45. [57]

    and Golden, Donald G

    McCracken, Daniel D. and Golden, Donald G. , title =. 1990 , isbn =

    1990

  46. [58]

    The analysis of linear partial differential operators

    H. The analysis of linear partial differential operators. 1985 , PAGES =

    1985

  47. [59]

    IEEE", address =

    A. Adya and P. Bahl and J. Padhye and A.Wolman and L. Zhou , title =. Proceedings of the IEEE 1st International Conference on Broadnets Networks (BroadNets'04) , publisher = "IEEE", address = "Los Alamitos, CA", year =

  48. [60]

    I. F. Akyildiz and W. Su and Y. Sankarasubramaniam and E. Cayirci , title =. Comm. ACM , volume = 38, number = "4", year =

  49. [61]

    I. F. Akyildiz and T. Melodia and K. R. Chowdhury , title =. Computer Netw. , volume = 51, number = "4", year =

  50. [62]

    ACM", address =

    P. Bahl and R. Chancre and J. Dungeon , title =. Proceeding of the 10th International Conference on Mobile Computing and Networking (MobiCom'04) , publisher = "ACM", address = "New York, NY", year =

  51. [63]

    8 (Special Issue on Sensor Networks)

    D. Culler and D. Estrin and M. Srivastava , title =. IEEE Comput. , volume = 37, number = "8 (Special Issue on Sensor Networks)", publisher = "IEEE", address = "Los Alamitos, CA", year =

  52. [64]

    Natarajan and M

    A. Natarajan and M. Motani and B. de Silva and K. Yap and K. C. Chua , title =. Network Architectures , editor =. 960935712

  53. [65]

    Tzamaloukas and J

    A. Tzamaloukas and J. J. Garcia-Luna-Aceves , title =

  54. [66]

    Zhou and J

    G. Zhou and J. Lu and C.-Y. Wan and M. D. Yarvis and J. A. Stankovic , title =

  55. [67]

    Mapping Powerlists onto Hypercubes

    Jacob Kornerup. Mapping Powerlists onto Hypercubes. 1994

    1994

  56. [68]

    Automatic Parallelization for Distributed-Memory Multiprocessing Systems

    Michael Gerndt. Automatic Parallelization for Distributed-Memory Multiprocessing Systems

  57. [69]

    J. E. Archer, Jr. and R. Conway and F. B. Schneider. User recovery and reversal in interactive systems. ACM Trans. Program. Lang. Syst

  58. [70]

    D. D. Dunlop and V. R. Basili. Generalizing specifications for uniformly implemented loops. ACM Trans. Program. Lang. Syst

  59. [71]

    Heering and P

    J. Heering and P. Klint. Towards monolingual programming environments. ACM Trans. Program. Lang. Syst

  60. [72]

    Donald E. Knuth. The book

  61. [73]

    Korach and D

    E. Korach and D. Rotem and N. Santoro. Distributed algorithms for finding centers and medians in networks. ACM Trans. Program. Lang. Syst

  62. [74]

    : A Document Preparation System

    Leslie Lamport. : A Document Preparation System

  63. [75]

    F. Nielson. Program transformations in a denotational setting. ACM Trans. Program. Lang. Syst

  64. [76]

    Brian K. Reid. A high-level approach to computer document formatting. Proceedings of the 7th Annual Symposium on Principles of Programming Languages

  65. [77]

    and Abdelzaher, Tarek F

    Zhou, Gang and Wu, Yafeng and Yan, Ting and He, Tian and Huang, Chengdu and Stankovic, John A. and Abdelzaher, Tarek F. , title =. ACM Trans. Embed. Comput. Syst. , issue_date =. doi:10.1145/1721695.1721705 , acmid = 1721705, publisher =

  66. [78]

    Institutional members of the Users Group

  67. [79]

    Boris Veytsman , title =

  68. [80]

    Robin Schneider , title =

  69. [81]

    and Peterson, Larry L

    Bowman, Mic and Debray, Saumya K. and Peterson, Larry L. , title =. ACM Trans. Program. Lang. Syst. , volume =. 1993 , doi =

    1993

  70. [82]

    TUGboat , volume =

    Braams, Johannes , title =. TUGboat , volume =

  71. [83]

    Post Congress Tristesse

    Malcolm Clark. Post Congress Tristesse. TeX90 Conference Proceedings

  72. [84]

    ACM Trans

    Herlihy, Maurice , title =. ACM Trans. Program. Lang. Syst. , volume =. 1993 , doi =

    1993

  73. [85]

    Salas and Einar Hille

    S.L. Salas and Einar Hille. Calculus: One and Several Variable. 1978

    1978

  74. [86]

    Publication quality tables in

    Simon Fear , month =. Publication quality tables in

  75. [87]

    Using the amsthm Package , organization =

  76. [88]

    2019 , url =

    R: A Language and Environment for Statistical Computing , author =. 2019 , url =

    2019

  77. [89]

    Sam Anzaroot and Andrew McCallum , title =

  78. [90]

    Brad and Haunschild, Robin , title =

    Bornmann, Lutz and Wray, K. Brad and Haunschild, Robin , title =

  79. [91]

    2014 , archivePrefix =

    Sam Anzaroot and Alexandre Passos and David Belanger and Andrew McCallum , title =. 2014 , archivePrefix =. 1403.1349 , doi =

    2014 arXiv

  80. [92]

    Proceedings of the 20th International Colloquium on Automata, Languages and Programming , series =

    Maintaining Discrete Probability Distributions Optimally , author =. Proceedings of the 20th International Colloquium on Automata, Languages and Programming , series =

  81. [93]

    Reiser , year = 2014, title =

    Brian J. Reiser , year = 2014, title =

    2014

  82. [94]

    Baggett and M

    R. Baggett and M. Simecek and C. Chambellan and K. Tsui and M. Fraune , year = 2025, title =

    2025

  83. [95]

    L. E. Drain , title =

  84. [96]

    N. A. Halliwell , title =. Journal of Sound and Vibration , volume =

  85. [97]

    S. J. Rothberg and M. S. Allen and P. Castellini and D. An international review of laser. Optics and Lasers in Engineering , volume =. 2017 , doi =

    2017

  86. [98]

    J. A. Leendertz , title =. Journal of Physics E: Scientific Instruments , volume =. 1970 , doi =

    1970

  87. [99]

    J. N. Butters and J. A. Leendertz , title =. Transactions of the Institute of Measurement and Control , volume =

  88. [100]

    Jacquot , title =

    P. Jacquot , title =. Strain , volume =

  89. [101]

    Y. Y. Hung and C. E. Taylor , title =. Proc. SPIE , volume =. 1974 , doi =

    1974

  90. [102]

    Steinchen and L

    W. Steinchen and L. Yang , title =

  91. [103]

    Steinchen and L

    W. Steinchen and L. Yang and G. Kupfer and P. M. Non-destructive testing of aerospace composite materials using digital shearography , journal =

  92. [104]

    Pedrini and H

    G. Pedrini and H. J. Tiziani , title =. Optics and Laser Technology , volume =

  93. [105]

    Pedrini and W

    G. Pedrini and W. Osten and M. E. Gusev , title =. Applied Optics , volume =. 2006 , doi =

    2006

  94. [106]

    Fu and G

    Y. Fu and G. Pedrini and W. Osten , title =. Applied Optics , volume =. 2007 , doi =

    2007

  95. [107]

    Meteyer and S

    E. Meteyer and S. Montresor and F. Foucart and J. Lock-in vibration retrieval based on high-speed full-field coherent imaging , journal =. 2021 , doi =

    2021

  96. [108]

    J. H. Bruning and D. R. Herriott and J. E. Gallagher and D. P. Rosenfeld and A. D. White and D. J. Brangaccio , title =. Applied Optics , volume =. 1974 , doi =

    1974

  97. [109]

    Takeda and H

    M. Takeda and H. Ina and S. Kobayashi , title =. Journal of the Optical Society of America , volume =. 1982 , doi =

    1982

  98. [110]

    D. J. Bone and H.-A. Bachor and R. J. Sandeman , title =. Applied Optics , volume =. 1986 , doi =

    1986

  99. [111]

    J. M. Huntley , title =. Journal of the Optical Society of America A , volume =. 1998 , doi =

    1998

  100. [112]

    Fu and R

    Y. Fu and R. M. Groves and G. Pedrini and W. Osten , title =. Applied Optics , volume =

  101. [113]

    Fu and G

    Y. Fu and G. Pedrini and X. Li , title =. The Scientific World Journal , volume =. 2014 , doi =

    2014

  102. [114]

    Wu and M

    H.-Y. Wu and M. Rubinstein and E. Shih and J. Guttag and F. Durand and W. T. Freeman , title =. ACM Transactions on Graphics , volume =

  103. [115]

    M. A. Mahowald and C. Mead , title =. Scientific American , volume =. 1991 , doi =

    1991

  104. [116]

    Lichtsteiner and C

    P. Lichtsteiner and C. Posch and T. Delbruck , title =. IEEE Journal of Solid-State Circuits , volume =. 2008 , doi =

    2008

  105. [117]

    Posch and D

    C. Posch and D. Matolin and R. Wohlgenannt , title =. IEEE Journal of Solid-State Circuits , volume =

  106. [118]

    Gallego and T

    G. Gallego and T. Delbruck and G. Orchard and C. Bartolozzi and B. Taba and A. Censi and S. Leutenegger and A. J. Davison and J. Conradt and K. Daniilidis and D. Scaramuzza , title =. IEEE Transactions on Pattern Analysis and Machine Intelligence , volume =. 2022 , doi =

    2022

  107. [119]

    Gehrig and D

    D. Gehrig and D. Scaramuzza , title =. arXiv preprint arXiv:2203.14672 , year =

    arXiv

  108. [120]

    Ge and N

    Z. Ge and N. Meng and L. Song and E. Y. Lam , title =. Applied Optics , volume =

  109. [121]

    Ge and Y

    Z. Ge and Y. Gao and H. K.-H. So and E. Y. Lam , title =. Optics Letters , volume =

  110. [122]

    Huang and Y

    X. Huang and Y. Zhang and Z. Xiong , title =. Optics Express , volume =

  111. [123]

    Muglikar and G

    M. Muglikar and G. Gallego and D. Scaramuzza , title =. International Conference on 3D Vision (3DV) , year =

  112. [124]

    Pedrini and H

    G. Pedrini and H. J. Tiziani , title =. Appl. Opt. , volume =. 1994 , doi =

    1994

  113. [125]

    A. J. Moore and D. P. Hand and J. S. Barton and J. D. Jones , title =. Appl. Opt. , volume =. 1999 , doi =

    1999

  114. [126]

    J. M. Huntley and G. H. Kaufmann and D. Kerr , title =. Appl. Opt. , volume =. 1999 , doi =

    1999

  115. [127]

    Servin and A

    M. Servin and A. Davila and J. A. Quiroga , title =. Appl. Opt. , volume =

  116. [128]

    Novak and J

    M. Novak and J. Millerd and N. Brock and M. North-Morris and J. Hayes and J. Wyant , title =. Appl. Opt. , volume =. 2005 , doi =

    2005

  117. [129]

    Bhaduri and N

    B. Bhaduri and N. K. Mohan and M. P. Kothiyal and R. S. Sirohi , title =. Opt. Express , volume =

  118. [130]

    Takeda and K

    M. Takeda and K. Mutoh , title =. Appl. Opt. , volume =

  119. [131]

    Schober and C

    C. Schober and C. Pruss and A. Faulhaber and A. Herkommer , title =. Opt. Lett. , volume =. 2021 , doi =

    2021

  120. [132]

    Uchiyama and C

    I. Uchiyama and C. Tsutake and K. Takahashi and T. Fujii , title =. Opt. Express , volume =. 2026 , doi =

    2026

  121. [133]

    Na and K

    W.-J. Na and K. H. Sun and B. C. Jeon and J. Lee and Y.-H. Shin , title =. Measurement , volume =. 2023 , doi =

    2023

  122. [134]

    and Bernardini, R

    Baldini, S. and Bernardini, R. and Fusiello, A. and Gardonio, P. and Rinaldo, R. , title =. Proceedings of the International Conference on Noise and Vibration Engineering (ISMA 2024) , pages =

    2024

  123. [135]

    Baldini and F

    S. Baldini and F. Stazi and R. Bernardini and A. Fusiello and P. Gardonio and R. Rinaldo , title =. Mech. Syst. Signal Process. , volume =. 2026 , doi =

    2026

  124. [136]

    Niwa and T

    R. Niwa and T. Fushimi and K. Yamamoto and Y. Ochiai , title =. Proceedings of the IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR) Workshops , pages =. 2023 , doi =

    2023

  125. [137]

    Niwa and Y

    R. Niwa and Y. Ochiai and T. Fushimi , title =. Appl. Phys. Lett. , volume =. 2026 , doi =

    2026

  126. [138]

    Zhou and P

    X. Zhou and P. Duan and Y. Xiaokaiti and C. Xu and B. Shi , title =. Proceedings of the IEEE/CVF International Conference on Computer Vision (ICCV) , year =

  127. [139]

    Howard and K

    M. Howard and K. Hirakawa , title =. ICASSP 2023 - 2023 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP) , pages =. 2023 , doi =

    2023

  128. [140]

    Howard and R

    M. Howard and R. Jones and K. Hirakawa , title =. IEEE Trans. Pattern Anal. Mach. Intell. , volume =. 2025 , doi =

    2025

  129. [141]

    Lopes and J

    T. Lopes and J. Teixeira and V. V. Rocha and T. D. Ferreira and C. S. Monteiro and P. A. S. Jorge and N. A. Silva , title =. arXiv preprint arXiv:2509.19756 , year =

  130. [142]

    Lopes and J

    T. Lopes and J. M. Teixeira and T. D. Ferreira and C. S. Monteiro and P. A. S. Jorge and N. A. Silva , title =. arXiv preprint arXiv:2607.04741 , year =

    arXiv

  131. [143]

    Freitag and S

    C. Freitag and S. Heist and A. Stark and P. K. Photometrically optimized event-based stereo. Opt. Express , volume =

  132. [144]

    Gehrig and M

    M. Gehrig and M. Millhausler and D. Gehrig and D. Scaramuzza , title =. Int. Conf. 3D Vision (3DV) , year =

  133. [145]

    P. L. Reu and D. P. Rohe and L. D. Jacobs , title =. Mechanical Systems and Signal Processing , volume =. 2017 , doi =

    2017

  134. [146]

    Baqersad and P

    J. Baqersad and P. Poozesh and C. Niezrecki and P. Avitabile , title =. Mechanical Systems and Signal Processing , volume =. 2017 , doi =

    2017

  135. [147]

    McMahon-Crabtree and Lucas Kulesza and Brian J

    Peter N. McMahon-Crabtree and Lucas Kulesza and Brian J. McReynolds and Daniel S. O'Keefe and Anirvin Puttur and Diana Maestas and Christian P. Morath and Matthew G. McHarg , title =. Unconventional Imaging, Sensing, and Adaptive Optics 2023 , editor =. 2023 , doi =

    2023

  136. [148]

    Hariharan , title =

    P. Hariharan , title =. 2007 , isbn =

    2007

  137. [149]

    J. M. Huntley and H. Saldner , title =. Appl. Opt. , volume =. 1993 , doi =

    1993

  138. [150]

    Finateu and A

    T. Finateu and A. Niwa and D. Matolin and K. Tsuchimoto and A. Mascheroni and E. Reynaud and P. Mostafalu and F. Brady and L. Chotard and F. LeGoff and H. Takahashi and H. Wakabayashi and Y. Oike and C. Posch , title =. 2020 IEEE International Solid-State Circuits Conference (...

    2020

Pith tools

Reviewed August 5, 2026 · model on record in the stance chip above.