Towards Unbiased Cross-Modal Representation Learning for Food Image-to-Recipe Retrieval

Fuente: arXiv
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Main Authors: Wang, Qing, Ngo, Chong-Wah, Lim, Ee-Peng
Format: Preprint
Published: 2025
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author Wang, Qing
Ngo, Chong-Wah
Lim, Ee-Peng
author_facet Wang, Qing
Ngo, Chong-Wah
Lim, Ee-Peng
contents This paper addresses the challenges of learning representations for recipes and food images in the cross-modal retrieval problem. As the relationship between a recipe and its cooked dish is cause-and-effect, treating a recipe as a text source describing the visual appearance of a dish for learning representation, as the existing approaches, will create bias misleading image-and-recipe similarity judgment. Specifically, a food image may not equally capture every detail in a recipe, due to factors such as the cooking process, dish presentation, and image-capturing conditions. The current representation learning tends to capture dominant visual-text alignment while overlooking subtle variations that determine retrieval relevance. In this paper, we model such bias in cross-modal representation learning using causal theory. The causal view of this problem suggests ingredients as one of the confounder sources and a simple backdoor adjustment can alleviate the bias. By causal intervention, we reformulate the conventional model for food-to-recipe retrieval with an additional term to remove the potential bias in similarity judgment. Based on this theory-informed formulation, we empirically prove the oracle performance of retrieval on the Recipe1M dataset to be MedR=1 across the testing data sizes of 1K, 10K, and even 50K. We also propose a plug-and-play neural module, which is essentially a multi-label ingredient classifier for debiasing. New state-of-the-art search performances are reported on the Recipe1M dataset.
format Preprint
id arxiv_https___arxiv_org_abs_2511_15201
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Towards Unbiased Cross-Modal Representation Learning for Food Image-to-Recipe Retrieval
Wang, Qing
Ngo, Chong-Wah
Lim, Ee-Peng
Computer Vision and Pattern Recognition
Multimedia
This paper addresses the challenges of learning representations for recipes and food images in the cross-modal retrieval problem. As the relationship between a recipe and its cooked dish is cause-and-effect, treating a recipe as a text source describing the visual appearance of a dish for learning representation, as the existing approaches, will create bias misleading image-and-recipe similarity judgment. Specifically, a food image may not equally capture every detail in a recipe, due to factors such as the cooking process, dish presentation, and image-capturing conditions. The current representation learning tends to capture dominant visual-text alignment while overlooking subtle variations that determine retrieval relevance. In this paper, we model such bias in cross-modal representation learning using causal theory. The causal view of this problem suggests ingredients as one of the confounder sources and a simple backdoor adjustment can alleviate the bias. By causal intervention, we reformulate the conventional model for food-to-recipe retrieval with an additional term to remove the potential bias in similarity judgment. Based on this theory-informed formulation, we empirically prove the oracle performance of retrieval on the Recipe1M dataset to be MedR=1 across the testing data sizes of 1K, 10K, and even 50K. We also propose a plug-and-play neural module, which is essentially a multi-label ingredient classifier for debiasing. New state-of-the-art search performances are reported on the Recipe1M dataset.
title Towards Unbiased Cross-Modal Representation Learning for Food Image-to-Recipe Retrieval
topic Computer Vision and Pattern Recognition
Multimedia
url https://arxiv.org/abs/2511.15201