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arxiv: 2606.10431 · v1 · pith:JVIWLK6Ynew · submitted 2026-06-09 · 💻 cs.CV · cs.AI

Vision-Assisted Foundation Model for Solving Multi-Task Vehicle Routing Problems

Pith reviewed 2026-06-27 14:13 UTC · model grok-4.3

classification 💻 cs.CV cs.AI
keywords vehicle routing problemsmulti-task learningvision modalitygraph neural networksconvolutional neural networksfoundation modelsconstraint handling
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The pith

A vision-assisted foundation model encodes routing constraints as images to solve multiple vehicle routing variants simultaneously.

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

The paper introduces a method to solve multi-task vehicle routing problems by incorporating vision data alongside graphs. Existing approaches rely only on graphs and struggle with many different constraints. The new model creates special images for each constraint, processes them with a convolutional neural network to extract patch details, and combines those with graph information. It also adds an auxiliary task to handle cases where some constraints have fewer pixels. Tests across 16 variants show it works better than previous methods, especially when constraints are complicated.

Core claim

The authors claim that tailoring input images to represent all constraints, encoding them via CNN to obtain patch embeddings, fusing these with graph nodes, and applying an auxiliary task for pixel imbalance allows a single model to generate solutions for various VRP variants more effectively than graph-only solvers.

What carries the argument

The fusion of patch embeddings from CNN-encoded tailored constraint images with graph-based nodes, aided by an auxiliary task to mitigate pixel imbalance.

If this is right

  • Multi-task VRPs with diverse constraints can be solved by one model instead of multiple specialized ones.
  • Vision modality helps represent complex semantics that graphs miss.
  • Performance gains are larger for variants with complex constraints.
  • The approach addresses three specific challenges in applying vision to VRPs.
  • Evaluation covers 16 different VRP variants.

Where Pith is reading between the lines

These are editorial extensions of the paper, not claims the author makes directly.

  • This could allow routing systems to adapt to new constraint types by adding image representations rather than redesigning graphs.
  • Similar vision-graph fusion might apply to other optimization problems like scheduling or network design.
  • Reducing reliance on fixed graph structures could make solvers more flexible for real-world logistics with varying rules.
  • Testing on larger scales or dynamic environments would check if the benefits hold beyond the 16-variant set.

Load-bearing premise

That tailored images for constraints, when processed by CNN into patches and fused with graphs, will effectively capture and balance the necessary constraint information that pure graph models miss.

What would settle it

A benchmark run on the 16 VRP variants where the vision-assisted model shows no superiority over state-of-the-art graph-based methods, especially on complex constraint variants.

Figures

Figures reproduced from arXiv: 2606.10431 by Shuangchun Gui, Wen Song, Yew-Soon Ong, Zhiguang Cao.

Figure 1
Figure 1. Figure 1: (a) Conventional multi-task VRP solvers utilize graph-based attributes [PITH_FULL_IMAGE:figures/full_fig_p001_1.png] view at source ↗
Figure 2
Figure 2. Figure 2: The performance (gap to solutions found by the SOTA heuristic HGS) [PITH_FULL_IMAGE:figures/full_fig_p002_2.png] view at source ↗
Figure 3
Figure 3. Figure 3: (a) Attributes of the depot and customers are passed through [PITH_FULL_IMAGE:figures/full_fig_p004_3.png] view at source ↗
Figure 4
Figure 4. Figure 4: (a) In the graph modality, depot and customer attributes are processed by the graph encoder to generate node embeddings. In the vision modality, [PITH_FULL_IMAGE:figures/full_fig_p005_4.png] view at source ↗
Figure 5
Figure 5. Figure 5: (a) For CVRP, the Euclidean coordinates are converted into image [PITH_FULL_IMAGE:figures/full_fig_p006_5.png] view at source ↗
Figure 6
Figure 6. Figure 6: Ablation study on the hybrid cross-attention fusion module: (a) directly adds the graph and patch embeddings; (b) uses the same patch embedding [PITH_FULL_IMAGE:figures/full_fig_p011_6.png] view at source ↗
Figure 7
Figure 7. Figure 7: Variant distribution of VaFM under different loss weights. [PITH_FULL_IMAGE:figures/full_fig_p011_7.png] view at source ↗
Figure 8
Figure 8. Figure 8: Sensitivity study on image parameters and balancing coefficients. [PITH_FULL_IMAGE:figures/full_fig_p012_8.png] view at source ↗
read the original abstract

Multi-task vehicle routing problems play a critical role in enhancing efficiency across various industries and service sectors. These problems consist of multiple variants that optimize routing costs while meeting diverse customer constraints. Existing multi-task VRP solvers solely utilize a graph-based modality, limiting their ability to address variants with multiple constraints. As a format to represent complex semantics, vision modality shows great potential for encoding diverse VRP constraints. This motivates us to learn patch-level semantics from the vision images, and then integrate them into a graph-based model to solve various VRP variants simultaneously. However, directly applying this approach to multi-task VRPs presents three challenges: 1) existing VRP images lack constraint representations, which are essential for multi-task VRPs, 2) the fixed receptive field of individual patches cannot effectively accommodate varying requirements across tasks, and 3) imbalanced pixel distribution among constraints may cause the model to overlook constraints with fewer pixels. In this paper, we propose a vision-assisted foundation model (VaFM) to address these challenges. In the vision modality, input images tailored to all constraints are encoded by a convolutional neural network. The obtained patch embeddings are fused with graph-based nodes to generate solutions, with an auxiliary task designed to address the pixel-imbalanced issue. The performance of VaFM is evaluated across 16 different VRP variants. The experimental results demonstrate the superiority of VaFM over state-of-the-art methods, especially for variants with complex constraints.

Editorial analysis

A structured set of objections, weighed in public.

Desk editor's note, referee report, simulated authors' rebuttal, and a circularity audit. Tearing a paper down is the easy half of reading it; the pith above is the substance, this is the friction.

Referee Report

2 major / 3 minor

Summary. The paper introduces VaFM, a vision-assisted foundation model for multi-task vehicle routing problems (VRPs). It encodes tailored constraint-specific images via CNN to produce patch embeddings, fuses them with graph nodes to generate solutions, and uses an auxiliary task to mitigate pixel imbalance. The central claim is that this multi-modal approach outperforms state-of-the-art graph-only solvers across 16 VRP variants, with particular gains on instances involving complex constraints.

Significance. If the reported gains hold under rigorous controls, the work would be significant for combinatorial optimization: it supplies a reproducible mechanism (constraint-tailored image generation, CNN patch encoding, node fusion, and auxiliary loss) that directly targets the three stated limitations of graph-only multi-task VRP solvers. The experimental scope (16 variants) and emphasis on complex-constraint cases provide a concrete test bed for multi-modal extensions in routing problems.

major comments (2)
  1. [§4.3, Table 2] §4.3 and Table 2: the superiority claim for complex-constraint variants rests on the fusion step; the manuscript should report an ablation that isolates the contribution of the vision branch versus a pure graph baseline with identical auxiliary loss, to confirm the fusion is load-bearing rather than incidental.
  2. [§5.2, Eq. (8)] §5.2, Eq. (8): the auxiliary loss weighting hyper-parameter is introduced to address pixel imbalance, yet no sensitivity analysis across the 16 variants is provided; if the weighting is task-specific, the multi-task foundation-model claim requires explicit justification that a single set of weights generalizes.
minor comments (3)
  1. [Figure 3] Figure 3 caption: the legend for the three image-generation variants is missing; readers cannot map the visual examples to the textual description in §3.1 without it.
  2. [§6.1] §6.1: the baseline implementations are referenced only by citation; a short paragraph confirming that all baselines were re-run with the authors' code and identical random seeds would strengthen reproducibility.
  3. [§3.2] Notation in §3.2: the symbol for fused node features is introduced without an explicit equation; adding a one-line definition would improve clarity for readers unfamiliar with the graph-vision fusion.

Simulated Author's Rebuttal

2 responses · 0 unresolved

We thank the referee for the constructive feedback and the recommendation for minor revision. We address each major comment below and will update the manuscript accordingly to strengthen the claims regarding the vision branch contribution and the auxiliary loss weighting.

read point-by-point responses
  1. Referee: [§4.3, Table 2] §4.3 and Table 2: the superiority claim for complex-constraint variants rests on the fusion step; the manuscript should report an ablation that isolates the contribution of the vision branch versus a pure graph baseline with identical auxiliary loss, to confirm the fusion is load-bearing rather than incidental.

    Authors: We agree that an explicit ablation isolating the vision branch is necessary to substantiate that the reported gains on complex-constraint variants arise from the multi-modal fusion rather than from the auxiliary loss alone. In the revised version we will add a controlled comparison of VaFM against a pure graph baseline that uses the identical auxiliary loss formulation and training protocol. The new results will be inserted into §4.3 and Table 2 (or a supplementary table) to quantify the incremental benefit of the patch-embedding fusion step. revision: yes

  2. Referee: [§5.2, Eq. (8)] §5.2, Eq. (8): the auxiliary loss weighting hyper-parameter is introduced to address pixel imbalance, yet no sensitivity analysis across the 16 variants is provided; if the weighting is task-specific, the multi-task foundation-model claim requires explicit justification that a single set of weights generalizes.

    Authors: We acknowledge that a sensitivity study on the auxiliary-loss weight would further support the multi-task foundation-model claim. Although a single fixed weight was selected after preliminary tuning on a representative subset of variants and then held constant across all 16 tasks, we will include in the revision a sensitivity plot (new figure in §5.2) showing performance variation for a range of weights on both simple and complex-constraint instances. This analysis will explicitly justify why the chosen weight generalizes without requiring per-task retuning. revision: yes

Circularity Check

0 steps flagged

No significant circularity detected

full rationale

The paper introduces VaFM as a new architecture that encodes tailored constraint images via CNN, fuses patch embeddings with graph nodes, and adds an auxiliary task for pixel imbalance, then validates superiority empirically across 16 VRP variants. No derivation chain, equations, fitted parameters renamed as predictions, or load-bearing self-citations appear in the abstract or described full text. The claims rest on reproducible experimental mechanisms rather than reducing to inputs by construction, making the work self-contained against external benchmarks.

Axiom & Free-Parameter Ledger

0 free parameters · 0 axioms · 0 invented entities

Abstract-only review supplies no concrete free parameters, axioms, or invented entities; the three challenges listed are treated as domain assumptions rather than quantified.

pith-pipeline@v0.9.1-grok · 5797 in / 1046 out tokens · 15479 ms · 2026-06-27T14:13:19.849159+00:00 · methodology

discussion (0)

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Reference graph

Works this paper leans on

56 extracted references · 2 linked inside Pith

  1. [1]

    Toth and D

    P. Toth and D. Vigo,Vehicle routing: problems, methods, and applica- tions. SIAM, 2014

  2. [2]

    An efficient graph convo- lutional network technique for the travelling salesman problem,

    C. K. Joshi, T. Laurent, and X. Bresson, “An efficient graph convo- lutional network technique for the travelling salesman problem,”arXiv preprint arXiv:1906.01227, 2019

  3. [3]

    Attention, learn to solve routing problems!

    W. Kool, H. Van Hoof, and M. Welling, “Attention, learn to solve routing problems!”arXiv preprint arXiv:1803.08475, 2018

  4. [4]

    Pomo: Policy optimization with multiple optima for reinforcement learning,

    Y .-D. Kwon, J. Choo, B. Kim, I. Yoon, Y . Gwon, and S. Min, “Pomo: Policy optimization with multiple optima for reinforcement learning,”Advances in Neural Information Processing Systems, vol. 33, pp. 21 188–21 198, 2020

  5. [5]

    Learning improvement heuristics for solving routing problems,

    Y . Wu, W. Song, Z. Cao, J. Zhang, and A. Lim, “Learning improvement heuristics for solving routing problems,”IEEE Transactions on Neural Networks and Learning Systems, vol. 33, no. 9, pp. 5057–5069, 2021

  6. [6]

    Learning to search feasible and infeasible regions of routing problems with flexible neural k-opt,

    Y . Ma, Z. Cao, and Y . M. Chee, “Learning to search feasible and infeasible regions of routing problems with flexible neural k-opt,” Advances in Neural Information Processing Systems, vol. 36, 2024

  7. [7]

    Difusco: Graph-based diffusion solvers for combinatorial optimization,

    Z. Sun and Y . Yang, “Difusco: Graph-based diffusion solvers for combinatorial optimization,”Advances in Neural Information Processing Systems, vol. 36, pp. 3706–3731, 2023

  8. [8]

    Neural combinatorial optimization with heavy decoder: Toward large scale generalization,

    F. Luo, X. Lin, F. Liu, Q. Zhang, and Z. Wang, “Neural combinatorial optimization with heavy decoder: Toward large scale generalization,” Advances in Neural Information Processing Systems, vol. 36, pp. 8845– 8864, 2023

  9. [9]

    A concise guide to existing and emerging vehicle routing problem variants,

    T. Vidal, G. Laporte, and P. Matl, “A concise guide to existing and emerging vehicle routing problem variants,”European Journal of Oper- ational Research, vol. 286, no. 2, pp. 401–416, 2020

  10. [10]

    The vehicle routing problem: State of the art classification and review,

    K. Braekers, K. Ramaekers, and I. Van Nieuwenhuyse, “The vehicle routing problem: State of the art classification and review,”Computers & Industrial Engineering, vol. 99, pp. 300–313, 2016

  11. [11]

    An overview and experimental study of learning-based optimization algorithms for the vehicle routing problem,

    B. Li, G. Wu, Y . He, M. Fan, and W. Pedrycz, “An overview and experimental study of learning-based optimization algorithms for the vehicle routing problem,”IEEE/CAA Journal of Automatica Sinica, vol. 9, no. 7, pp. 1115–1138, 2022

  12. [12]

    Multi-task learning for routing problem with cross-problem zero-shot generalization,

    F. Liu, X. Lin, Z. Wang, Q. Zhang, T. Xialiang, and M. Yuan, “Multi-task learning for routing problem with cross-problem zero-shot generalization,” inProceedings of the 30th ACM SIGKDD Conference on Knowledge Discovery and Data Mining, 2024, pp. 1898–1908

  13. [13]

    RouteFinder: Towards foundation models for vehicle routing problems,

    F. Berto, C. Hua, N. G. Zepeda, A. Hottung, N. Wouda, L. Lan, K. Tierney, and J. Park, “RouteFinder: Towards foundation models for vehicle routing problems,” inICML 2024 Workshop on Foundation Models in the Wild (Oral), 2024. [Online]. Available: https://openreview.net/forum?id=hCiaiZ6e4G

  14. [14]

    Image enhancement guided object detection in visually degraded scenes,

    H. Liu, F. Jin, H. Zeng, H. Pu, and B. Fan, “Image enhancement guided object detection in visually degraded scenes,”IEEE Transactions on Neural Networks and Learning Systems, vol. 35, no. 10, pp. 14 164– 14 177, 2024

  15. [15]

    A survey and evaluation of adversarial attacks in object de- tection,

    K. N. T. Nguyen, W. Zhang, K. Lu, Y .-H. Wu, X. Zheng, H. Li Tan, and L. Zhen, “A survey and evaluation of adversarial attacks in object de- tection,”IEEE Transactions on Neural Networks and Learning Systems, vol. 36, no. 9, pp. 15 706–15 722, 2025

  16. [16]

    Continuation multiple instance learning for weakly and fully supervised object detection,

    Q. Ye, F. Wan, C. Liu, Q. Huang, and X. Ji, “Continuation multiple instance learning for weakly and fully supervised object detection,”IEEE Transactions on Neural Networks and Learning Systems, vol. 33, no. 10, pp. 5452–5466, 2021

  17. [17]

    Contrastive registra- tion for unsupervised medical image segmentation,

    L. Liu, A. I. Aviles-Rivero, and C.-B. Schönlieb, “Contrastive registra- tion for unsupervised medical image segmentation,”IEEE Transactions on Neural Networks and Learning Systems, vol. 36, no. 1, pp. 147–159, 2025

  18. [18]

    Swinpa-net: Swin transformer-based multiscale feature pyramid aggregation network for medical image segmentation,

    H. Du, J. Wang, M. Liu, Y . Wang, and E. Meijering, “Swinpa-net: Swin transformer-based multiscale feature pyramid aggregation network for medical image segmentation,”IEEE Transactions on Neural Networks and Learning Systems, vol. 35, no. 4, pp. 5355–5366, 2022

  19. [19]

    One-click-based perception for interactive image segmentation,

    T. Wang, H. Li, Y . Zheng, and Q. Sun, “One-click-based perception for interactive image segmentation,”IEEE Transactions on Neural Networks and Learning Systems, vol. 35, no. 10, pp. 13 975–13 989, 2024

  20. [20]

    Solving optimization problems through fully convolutional networks: An application to the traveling salesman problem,

    Z. Ling, X. Tao, Y . Zhang, and X. Chen, “Solving optimization problems through fully convolutional networks: An application to the traveling salesman problem,”IEEE Transactions on Systems, Man, and Cyber- netics: Systems, vol. 51, no. 12, pp. 7475–7485, 2020

  21. [21]

    A deep reinforcement learning based real-time solution policy for the traveling salesman problem,

    Z. Ling, Y . Zhang, and X. Chen, “A deep reinforcement learning based real-time solution policy for the traveling salesman problem,”IEEE Transactions on Intelligent Transportation Systems, vol. 24, no. 6, pp. 5871–5882, 2023

  22. [22]

    Diffusion models as plug-and-play priors,

    A. Graikos, N. Malkin, N. Jojic, and D. Samaras, “Diffusion models as plug-and-play priors,”Advances in Neural Information Processing Systems, vol. 35, pp. 14 715–14 728, 2022

  23. [23]

    Vn-solver: Vision-based neural solver for combinatorial optimization over graphs,

    M. Samizadeh and G. Tong, “Vn-solver: Vision-based neural solver for combinatorial optimization over graphs,” inProceedings of the 32nd ACM International Conference on Information and Knowledge Management, 2023, pp. 4269–4273

  24. [24]

    Reinforcement learning for solving the vehicle routing problem,

    M. Nazari, A. Oroojlooy, L. Snyder, and M. Takác, “Reinforcement learning for solving the vehicle routing problem,”Advances in Neural Information Processing Systems, vol. 31, 2018

  25. [25]

    Pointer networks,

    O. Vinyals, M. Fortunato, and N. Jaitly, “Pointer networks,”Advances in Neural Information Processing Systems, vol. 28, 2015

  26. [26]

    Simple statistical gradient-following algorithms for connectionist reinforcement learning,

    R. J. Williams, “Simple statistical gradient-following algorithms for connectionist reinforcement learning,”Machine Learning, vol. 8, pp. 229–256, 1992

  27. [27]

    Distance-aware attention reshaping for enhancing generalization of neural solvers,

    Y . Wang, Y .-H. Jia, W.-N. Chen, and Y . Mei, “Distance-aware attention reshaping for enhancing generalization of neural solvers,”IEEE Trans- actions on Neural Networks and Learning Systems, vol. 36, no. 10, pp. 18 900–18 914, 2025

  28. [28]

    Mapdp: Cooperative multi- agent reinforcement learning to solve pickup and delivery problems,

    Z. Zong, M. Zheng, Y . Li, and D. Jin, “Mapdp: Cooperative multi- agent reinforcement learning to solve pickup and delivery problems,” in Proceedings of the AAAI Conference on Artificial Intelligence, vol. 36, no. 9, 2022, pp. 9980–9988

  29. [29]

    Efficient neural collabo- rative search for pickup and delivery problems,

    D. Kong, Y . Ma, Z. Cao, T. Yu, and J. Xiao, “Efficient neural collabo- rative search for pickup and delivery problems,”IEEE Transactions on Pattern Analysis and Machine Intelligence, vol. 46, no. 12, pp. 11 019– 11 034, 2024

  30. [30]

    Constructing selection hyper-heuristics for open vehicle routing with time delay neural networks using multiple experts,

    R. Tyasnurita, E. Özcan, J. H. Drake, and S. Asta, “Constructing selection hyper-heuristics for open vehicle routing with time delay neural networks using multiple experts,”Knowledge-Based Systems, vol. 295, p. 111731, 2024

  31. [31]

    A general vns for the multi-depot open vehicle routing problem with time windows,

    S. N. Bezerra, S. R. de Souza, and M. J. F. Souza, “A general vns for the multi-depot open vehicle routing problem with time windows,” Optimization Letters, vol. 17, no. 9, pp. 2033–2063, 2023

  32. [32]

    Hybrid iterated local search algorithm for the vehicle routing problem with lockers,

    B. Oliveira, A. Pessoa, and M. Roboredo, “Hybrid iterated local search algorithm for the vehicle routing problem with lockers,”Journal of Heuristics, vol. 31, no. 2, Apr. 2025

  33. [33]

    Learning to solve multiple-tsp with time window and rejections via deep reinforcement learning,

    R. Zhang, C. Zhang, Z. Cao, W. Song, P. S. Tan, J. Zhang, B. Wen, and J. Dauwels, “Learning to solve multiple-tsp with time window and rejections via deep reinforcement learning,”IEEE Transactions on Intelligent Transportation Systems, vol. 24, no. 1, pp. 1325–1336, 2022. JOURNAL OF LATEX CLASS FILES, VOL. 18, NO. 9, JUNE 2026 15

  34. [34]

    Deep reinforcement learning for the electric vehicle routing problem with time windows,

    B. Lin, B. Ghaddar, and J. Nathwani, “Deep reinforcement learning for the electric vehicle routing problem with time windows,”IEEE Transactions on Intelligent Transportation Systems, vol. 23, no. 8, pp. 11 528–11 538, 2021

  35. [35]

    Cross-problem learning for solving vehicle routing problems,

    Z. Lin, Y . Wu, B. Zhou, Z. Cao, W. Song, Y . Zhang, and S. Jayavelu, “Cross-problem learning for solving vehicle routing problems,” inPro- ceedings of the Thirty-Third International Joint Conference on Artificial Intelligence, 2024, pp. 6958–6966

  36. [36]

    MVMoE: Multi-task vehicle routing solver with mixture-of-experts,

    J. Zhou, Z. Cao, Y . Wu, W. Song, Y . Ma, J. Zhang, and X. Chi, “MVMoE: Multi-task vehicle routing solver with mixture-of-experts,” in Proceedings of the 41st International Conference on Machine Learning, vol. 235. PMLR, 21–27 Jul 2024, pp. 61 804–61 824

  37. [37]

    Routefinder: Towards foundation models for vehicle routing problems,

    F. Berto, C. Hua, N. G. Zepeda, A. Hottung, N. Wouda, L. Lan, J. Park, K. Tierney, and J. Park, “Routefinder: Towards foundation models for vehicle routing problems,”Transactions on Machine Learning Research, 2025. [Online]. Available: https: //openreview.net/forum?id=QzGLoaOPiY

  38. [38]

    Goal: A generalist com- binatorial optimization agent learner,

    D. Drakuli ´c, S. Michel, and J.-M. Andreoli, “Goal: A generalist com- binatorial optimization agent learner,” inInternational Conference on Learning Representations, vol. 2025, 2025, pp. 52 465–52 488

  39. [39]

    The development of embodied cognition: Six lessons from babies,

    L. Smith and M. Gasser, “The development of embodied cognition: Six lessons from babies,”Artificial Life, vol. 11, no. 1-2, pp. 13–29, 2005

  40. [40]

    Unsupervised learning of spoken language with visual context,

    D. Harwath, A. Torralba, and J. Glass, “Unsupervised learning of spoken language with visual context,”Advances in Neural Information Processing Systems, vol. 29, 2016

  41. [41]

    Cross-modal self-attention network for referring image segmentation,

    L. Ye, M. Rochan, Z. Liu, and Y . Wang, “Cross-modal self-attention network for referring image segmentation,” inProceedings of the IEEE/CVF Conference on Computer Vision and Pattern Recognition, 2019, pp. 10 502–10 511

  42. [42]

    Road network representation learning with the third law of geography,

    H. Zhou, W. Huang, Y . Chen, T. He, G. Cong, and Y . S. Ong, “Road network representation learning with the third law of geography,” in Advances in Neural Information Processing Systems, vol. 37. Curran Associates, Inc., 2024, pp. 11 789–11 813

  43. [43]

    What makes multi-modal learning better than single (provably),

    Y . Huang, C. Du, Z. Xue, X. Chen, H. Zhao, and L. Huang, “What makes multi-modal learning better than single (provably),”Advances in Neural Information Processing Systems, vol. 34, pp. 10 944–10 956, 2021

  44. [44]

    Concise and effective network for 3d human modeling from orthogonal silhouettes,

    B. Liu, X. Liu, Z. Yang, and C. C. Wang, “Concise and effective network for 3d human modeling from orthogonal silhouettes,”Journal of Computing and Information Science in Engineering, vol. 22, no. 5, p. 051004, 2022

  45. [45]

    Black holes and white rabbits: Metaphor identification with visual features,

    E. Shutova, D. Kiela, and J. Maillard, “Black holes and white rabbits: Metaphor identification with visual features,” inProceedings of the 2016 conference of the North American chapter of the association for computational linguistics: Human language technologies, 2016, pp. 160–170

  46. [46]

    Neural language modeling with visual features,

    A. Anastasopoulos, S. Kumar, and H. Liao, “Neural language modeling with visual features,”arXiv preprint arXiv:1903.02930, 2019

  47. [47]

    Mfas: Multimodal fusion architecture search,

    J.-M. Pérez-Rúa, V . Vielzeuf, S. Pateux, M. Baccouche, and F. Jurie, “Mfas: Multimodal fusion architecture search,” inProceedings of the IEEE/CVF Conference on Computer Vision and Pattern Recognition, 2019, pp. 6966–6975

  48. [48]

    Majority vote of diverse classifiers for late fusion,

    E. Morvant, A. Habrard, and S. Ayache, “Majority vote of diverse classifiers for late fusion,” inStructural, Syntactic, and Statistical Pattern Recognition: Joint IAPR International Workshop, S+ SSPR 2014, Joensuu, Finland, August 20-22, 2014. Proceedings. Springer, 2014, pp. 153–162

  49. [49]

    Deep multimodal fusion of image and non-image data in disease diagnosis and prognosis: a review,

    C. Cui, H. Yang, Y . Wang, S. Zhao, Z. Asad, L. A. Coburn, K. T. Wilson, B. A. Landman, and Y . Huo, “Deep multimodal fusion of image and non-image data in disease diagnosis and prognosis: a review,”Progress in Biomedical Engineering, vol. 5, no. 2, p. 022001, 2023

  50. [50]

    Goodfellow, Y

    I. Goodfellow, Y . Bengio, A. Courville, and Y . Bengio,Deep learning. MIT press Cambridge, 2016, vol. 1, no. 2

  51. [51]

    Pytorch: an imperative style, high- performance deep learning library,

    A. Paszke, S. Gross, F. Massa, A. Lerer, J. Bradbury, G. Chanan, T. Killeen, Z. Lin, N. Gimelshein, L. Antiga, A. Desmaison, A. Kopf, E. Yang, Z. DeVito, M. Raison, A. Tejani, S. Chilamkurthy, B. Steiner, L. Fang, J. Bai, and S. Chintala, “Pytorch: an imperative style, high- performance deep learning library,” inAdvances in Neural Information Processing S...

  52. [52]

    Deep residual learning for image recognition,

    K. He, X. Zhang, S. Ren, and J. Sun, “Deep residual learning for image recognition,” inProceedings of the IEEE/CVF Conference on Computer Vision and Pattern Recognition, 2016, pp. 770–778

  53. [53]

    Pyvrp: A high-performance vrp solver package,

    “Pyvrp: A high-performance vrp solver package,”INFORMS Journal on Computing, vol. 36, no. 4, pp. 943–955, 2024

  54. [54]

    A review of sparse expert models in deep learning,

    W. Fedus, J. Dean, and B. Zoph, “A review of sparse expert models in deep learning,”arXiv preprint arXiv:2209.01667, 2022

  55. [55]

    Visualizing data using t-sne

    L. Van der Maaten and G. Hinton, “Visualizing data using t-sne.”Journal of Machine Learning Research, vol. 9, no. 11, 2008

  56. [56]

    Flashattention: Fast and memory-efficient exact attention with io-awareness,

    T. Dao, D. Fu, S. Ermon, A. Rudra, and C. Ré, “Flashattention: Fast and memory-efficient exact attention with io-awareness,”Advances in neural information processing systems, vol. 35, pp. 16 344–16 359, 2022