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arxiv: 2604.14388 · v2 · submitted 2026-04-15 · 💻 cs.CV

FoodSense: A Multisensory Food Dataset and Benchmark for Predicting Taste, Smell, Texture, and Sound from Images

Pith reviewed 2026-05-10 13:01 UTC · model grok-4.3

classification 💻 cs.CV
keywords multisensory datasetcross-sensory inferencefood imagesvision-language modelsensory predictionbenchmarktaste smell textureinstruction tuning
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The pith

A new dataset of human ratings lets vision-language models predict taste, smell, texture and sound from food images along with visual explanations.

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

The paper creates FoodSense, a collection of over 66,000 human-provided numeric ratings and written descriptions that record what people expect food to taste, smell, feel and sound like when they only see a picture. These annotations are expanded by a large language model into step-by-step visual justifications, then used to train FoodSense-VL, a model that outputs both sensory scores and grounded explanations directly from new food photographs. The work explicitly links cognitive-science observations on cross-sensory perception to modern multimodal instruction tuning. It also reports that many standard evaluation metrics used in vision-language research fail to measure performance on this type of sensory inference task.

Core claim

We introduce FoodSense, a human-annotated dataset for cross-sensory inference containing 66,842 participant-image pairs across 2,987 unique food images. Each pair includes numeric ratings (1-5) and free-text descriptors for four sensory dimensions: taste, smell, texture, and sound. To enable models to both predict and explain sensory expectations, we expand short human annotations into image-grounded reasoning traces generated by a large language model conditioned on the image, ratings, and descriptors. Using these annotations, we train FoodSense-VL, a vision language benchmark model to produce both multisensory ratings and grounded explanations directly from food images.

What carries the argument

The FoodSense dataset of image-paired numeric ratings and free-text descriptors, expanded into LLM-generated image-grounded reasoning traces that serve as training targets for a vision-language model.

If this is right

  • Vision-language models can be fine-tuned to output numeric sensory ratings together with image-grounded textual justifications for unseen food photographs.
  • Standard metrics common in vision-language evaluation are shown to be inadequate for judging success on multisensory prediction tasks.
  • The approach demonstrates a scalable way to convert limited human sensory annotations into larger training signals for multimodal models.
  • The resulting models connect cognitive-science findings on cross-sensory perception directly to instruction-tuned vision-language systems.

Where Pith is reading between the lines

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

  • Models trained this way could support food-recommendation systems that anticipate how a dish will be perceived sensorially before it is prepared or ordered.
  • The dataset opens a route to study systematic differences in visual-to-sensory mappings across demographic groups or cultural food traditions.
  • Future tests could examine whether the same training recipe improves performance on related tasks such as predicting nutritional appeal or safety from appearance alone.

Load-bearing premise

The human ratings and descriptions accurately capture genuine cross-sensory expectations, and the language-model-generated reasoning traces remain faithful to the original images and annotations without introducing artifacts.

What would settle it

Collect fresh human ratings and descriptions for a new set of food images excluded from the original dataset, then measure whether FoodSense-VL predictions match those new ratings at rates clearly above chance or non-specialized baseline models.

Figures

Figures reproduced from arXiv: 2604.14388 by Aarushi Aarushi, Chen Chen, Juncai Jiang, Sabab Ishraq.

Figure 1
Figure 1. Figure 1: Annotation interface and example. Left: A food image as presented to participants (Taco, image 0005). Center: The structured rating task—participants rated each of four sensory dimensions on a 0–7 scale (0 = Can’t tell from picture; 1 = Very bad; 7 = Very good) and provided one to two free-text descriptors per sense. Right: Illustrative annotation for a taco image showing rescaled ratings (1–5) and represe… view at source ↗
Figure 2
Figure 2. Figure 2: Dataset statistics for the Multisensory Food Dataset. (a) Distribution of annotator counts per image (mean [PITH_FULL_IMAGE:figures/full_fig_p004_2.png] view at source ↗
Figure 3
Figure 3. Figure 3: Pipeline. A Southern Scampi image with human sen￾sory annotations is expanded by Gemma 3 27B IT into image￾grounded rationales; Food-Llama judges and filters hallucinated content. FoodSense-VL predicts ratings and explanations from images alone. The output box shows an example texture predic￾tion with visual justification. representations with human sensory anchors before reason￾ing text is introduced. Sta… view at source ↗
Figure 4
Figure 4. Figure 4: Qualitative sensory inferences for Steak Rice from four models. Human GT: Taste=4.3, Smell=4.3, Texture=4.4, Sound=4.1. trains from a fresh LoRA in one pass. The two-stage cur￾riculum improves Pearson r by +0.043, Spearman ρ by +0.047, and CCC by +0.069, while increasing prediction diversity (σpred: 0.367 → 0.591). The MAE increases by only +0.044—a trade-off we consider affordable. Separat￾ing sensory gro… view at source ↗
read the original abstract

Humans routinely infer taste, smell, texture, and even sound from food images a phenomenon well studied in cognitive science. However, prior vision language research on food has focused primarily on recognition tasks such as meal identification, ingredient detection, and nutrition estimation. Image-based prediction of multisensory experience remains largely unexplored. We introduce FoodSense, a human-annotated dataset for cross-sensory inference containing 66,842 participant-image pairs across 2,987 unique food images. Each pair includes numeric ratings (1-5) and free-text descriptors for four sensory dimensions: taste, smell, texture, and sound. To enable models to both predict and explain sensory expectations, we expand short human annotations into image-grounded reasoning traces. A large language model generates visual justifications conditioned on the image, ratings, and descriptors. Using these annotations, we train FoodSense-VL, a vision language benchmark model to produce both multisensory ratings and grounded explanations directly from food images. This work connects cognitive science findings on cross-sensory perception with modern instruction tuning for multimodal models and shows that many popular evaluation metrics are insufficient for visually sensory inference.

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 / 1 minor

Summary. The paper introduces FoodSense, a human-annotated dataset containing 66,842 participant-image pairs across 2,987 unique food images, with numeric ratings (1-5) and free-text descriptors for taste, smell, texture, and sound. It describes expanding these annotations into image-grounded reasoning traces via LLM conditioning on the image plus human data, then training FoodSense-VL, a vision-language model, to output both multisensory ratings and explanations directly from food images, while noting connections to cognitive science and limitations of existing VL evaluation metrics.

Significance. If the dataset annotations prove reliable and the model achieves strong performance with faithful explanations, this could establish a valuable benchmark bridging cognitive science findings on cross-sensory perception with modern multimodal instruction tuning. The dataset scale and dual focus on prediction plus grounded explanation represent a clear contribution over prior food-related VL work limited to recognition tasks.

major comments (2)
  1. [Abstract / reasoning trace generation] Abstract and methods description of reasoning trace generation: the pipeline expands human ratings/descriptors into LLM-generated visual justifications conditioned on the image and annotations, yet no human evaluation, hallucination checks, faithfulness metrics, or alignment scores are reported for these traces. This is load-bearing for the central claim that FoodSense-VL produces 'grounded explanations,' as unvalidated traces risk introducing artifacts that undermine the model's outputs.
  2. [Abstract / results] Abstract and results sections: the manuscript supplies no quantitative results, inter-annotator agreement statistics, validation procedures, baseline comparisons, or performance numbers for either the dataset quality or FoodSense-VL predictions. Without these, the empirical support for the dataset's utility and the model's effectiveness cannot be assessed.
minor comments (1)
  1. [Abstract] Abstract: the statement that 'many popular evaluation metrics are insufficient for visually sensory inference' is asserted without naming the metrics or providing supporting evidence, which reduces clarity.

Simulated Author's Rebuttal

2 responses · 0 unresolved

We thank the referee for the constructive feedback, which identifies key areas where additional validation and quantitative reporting will strengthen the manuscript. We address each major comment below and commit to revisions that directly respond to the concerns raised.

read point-by-point responses
  1. Referee: [Abstract / reasoning trace generation] Abstract and methods description of reasoning trace generation: the pipeline expands human ratings/descriptors into LLM-generated visual justifications conditioned on the image and annotations, yet no human evaluation, hallucination checks, faithfulness metrics, or alignment scores are reported for these traces. This is load-bearing for the central claim that FoodSense-VL produces 'grounded explanations,' as unvalidated traces risk introducing artifacts that undermine the model's outputs.

    Authors: We agree that explicit validation of the reasoning traces is necessary to support the claim of grounded explanations. While the generation process conditions the LLM on both the input image and the original human ratings/descriptors to promote grounding, the current manuscript does not report human evaluations, hallucination checks, or quantitative faithfulness/alignment metrics. In the revised version we will add a dedicated evaluation subsection that includes: (i) human ratings of faithfulness on a held-out sample of traces, (ii) hallucination detection results, and (iii) alignment scores (e.g., semantic similarity and descriptor overlap) between the generated traces and the source human annotations. revision: yes

  2. Referee: [Abstract / results] Abstract and results sections: the manuscript supplies no quantitative results, inter-annotator agreement statistics, validation procedures, baseline comparisons, or performance numbers for either the dataset quality or FoodSense-VL predictions. Without these, the empirical support for the dataset's utility and the model's effectiveness cannot be assessed.

    Authors: We acknowledge that the abstract and the high-level results summary currently lack explicit numerical results, inter-annotator agreement (IAA) statistics, validation procedures, baseline comparisons, and performance numbers. The revised manuscript will expand both the abstract and the results section to include: (i) IAA metrics (e.g., Krippendorff’s alpha) for the numeric ratings and descriptor annotations, (ii) details of the annotation validation protocol, (iii) baseline comparisons for FoodSense-VL, and (iv) quantitative performance figures for rating prediction and explanation generation. These additions will make the empirical contributions immediately assessable. revision: yes

Circularity Check

0 steps flagged

No circularity: empirical dataset creation and model training

full rationale

The paper introduces a new human-annotated dataset (FoodSense) with numeric ratings and free-text descriptors for multisensory properties, expands annotations into LLM-generated reasoning traces, and trains a vision-language model (FoodSense-VL) on the resulting data. No mathematical derivations, equations, fitted parameters renamed as predictions, or self-citations that bear the central claim are present. The contribution is data collection, annotation expansion, and benchmarking rather than a closed theoretical chain that reduces to its own inputs by construction.

Axiom & Free-Parameter Ledger

0 free parameters · 0 axioms · 0 invented entities

The central claim rests on the reliability of human sensory annotations and the fidelity of LLM-generated traces; no explicit free parameters, ad-hoc axioms, or new invented entities are introduced in the abstract.

pith-pipeline@v0.9.0 · 5510 in / 1200 out tokens · 25593 ms · 2026-05-10T13:01:53.293579+00:00 · methodology

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