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The rapid growth of e-commerce requires robust multimodal representations that capture diverse signals from user-generated listings. Existing vision-language models (VLMs) typically align titles with primary images, i.e., single-view, but…

Information Retrieval · Computer Science 2025-12-23 Xiwen Chen , Yen-Chieh Lien , Susan Liu , María Castaños , Abolfazl Razi , Xiaoting Zhao , Congzhe Su

Cross-modal text-molecule retrieval model aims to learn a shared feature space of the text and molecule modalities for accurate similarity calculation, which facilitates the rapid screening of molecules with specific properties and…

Information Retrieval · Computer Science 2024-11-01 Jia Song , Wanru Zhuang , Yujie Lin , Liang Zhang , Chunyan Li , Jinsong Su , Song He , Xiaochen Bo

Multimodal embeddings are widely used in downstream tasks such as multimodal retrieval, enabling alignment of interleaved modalities in a shared representation space. While recent studies show that Multimodal Large Language Models (MLLMs)…

Computer Vision and Pattern Recognition · Computer Science 2025-11-21 Chunxu Liu , Jiyuan Yang , Ruopeng Gao , Yuhan Zhu , Feng Zhu , Rui Zhao , Limin Wang

Multimodal semantic segmentation enhances model robustness by exploiting cross-modal complementarities. However, existing methods often suffer from imbalanced modal dependencies, where overall performance degrades significantly once a…

Computer Vision and Pattern Recognition · Computer Science 2025-09-30 Jiaqi Tan , Xu Zheng , Fangyu Li , Yang Liu

Retrieval-Augmented Generation (RAG) often relies on large vector databases and cross-encoders tuned for large-scale corpora, which can be excessive for small, domain-specific collections. We present MODE (Mixture of Document Experts), a…

Artificial Intelligence · Computer Science 2025-09-03 Rahul Anand

Item categorization is a machine learning task which aims at classifying e-commerce items, typically represented by textual attributes, to their most suitable category from a predefined set of categories. An accurate item categorization…

Machine Learning · Computer Science 2021-10-25 Yonatan Hadar , Erez Shmueli

Nowadays, live-stream and short video shopping in E-commerce have grown exponentially. However, the sellers are required to manually match images of the selling products to the timestamp of exhibition in the untrimmed video, resulting in a…

Computer Vision and Pattern Recognition · Computer Science 2021-02-10 Yanhao Zhang , Qiang Wang , Pan Pan , Yun Zheng , Cheng Da , Siyang Sun , Yinghui Xu

Multimodal recommendation systems have attracted increasing attention for their improved performance by leveraging items' multimodal information. Prior methods often build modality-specific item-item semantic graphs from raw modality…

Information Retrieval · Computer Science 2025-08-11 Xiaoxiong Zhang , Xin Zhou , Zhiwei Zeng , Dusit Niyato , Zhiqi Shen

Multimodal emotion recognition utilizes complete multimodal information and robust multimodal joint representation to gain high performance. However, the ideal condition of full modality integrity is often not applicable in reality and…

Computer Vision and Pattern Recognition · Computer Science 2024-10-07 Qi Fan , Hongyu Yuan , Haolin Zuo , Rui Liu , Guanglai Gao

Multi-contrast MRI methods acquire multiple images with different contrast weightings, which are used for the differentiation of the tissue types or quantitative mapping. However, the scan time needed to acquire multiple contrasts is…

Image and Video Processing · Electrical Eng. & Systems 2025-02-18 Yan Chen , Jyothi Rikhab Chand , Steven R. Kecskemeti , James H. Holmes , Mathews Jacob

The rapid evolution of technology has transformed business operations and customer interactions worldwide, with personalization emerging as a key opportunity for e-commerce companies to engage customers more effectively. The application of…

Machine Learning · Computer Science 2024-08-27 Miguel Alves Gomes , Philipp Meisen , Tobias Meisen

Recent advances in reinforcement learning (RL) for large language model (LLM) fine-tuning show promise in addressing multi-objective tasks but still face significant challenges, including competing objective balancing, low training…

Computation and Language · Computer Science 2025-07-10 Lingxiao Kong , Cong Yang , Susanne Neufang , Oya Deniz Beyan , Zeyd Boukhers

Hashing based cross-modal retrieval has recently made significant progress. But straightforward embedding data from different modalities into a joint Hamming space will inevitably produce false codes due to the intrinsic modality…

Computer Vision and Pattern Recognition · Computer Science 2020-10-07 Ge Song , Jun Zhao , Xiaoyang Tan

Retrieval-augmented generation (RAG) enhances large language models (LLMs) by incorporating external knowledge to generate a response within a context with improved accuracy and reduced hallucinations. However, multi-modal RAG systems face…

Machine Learning · Computer Science 2025-01-09 Matin Mortaheb , Mohammad A. Amir Khojastepour , Srimat T. Chakradhar , Sennur Ulukus

Human memory is inherently prone to forgetting. To address this, multimodal embedding models have been introduced, which transform diverse real-world data into a unified embedding space. These embeddings can be retrieved efficiently, aiding…

Information Retrieval · Computer Science 2024-09-25 Dongqi Cai , Shangguang Wang , Chen Peng , Zeling Zhang , Mengwei Xu

Fine-grained text-to-image retrieval aims to retrieve a fine-grained target image with a given text query. Existing methods typically assume that each training image is accurately depicted by its textual descriptions. However, textual…

Computer Vision and Pattern Recognition · Computer Science 2025-04-11 Zehong Ma , Hao Chen , Wei Zeng , Limin Su , Shiliang Zhang

Given the long textual product information and the product image, Multi-modal Product Summarization (MPS) aims to increase customers' desire to purchase by highlighting product characteristics with a short textual summary. Existing MPS…

Multimedia · Computer Science 2024-03-11 Tao Chen , Ze Lin , Hui Li , Jiayi Ji , Yiyi Zhou , Guanbin Li , Rongrong Ji

Large Language Models (LLMs) have been found to memorize and recite some of the textual sequences from their training set verbatim, raising broad concerns about privacy and copyright issues when using LLMs. This Textual Sequence…

Computation and Language · Computer Science 2024-08-12 Zhaohan Zhang , Ziquan Liu , Ioannis Patras

Visual Document Retrieval (VDR) requires representations that capture both fine-grained visual details and global document structure to ensure retrieval efficacy while maintaining computational efficiency. Existing VDR models struggle to…

Computer Vision and Pattern Recognition · Computer Science 2026-03-17 Fengbin Zhu , Zijing Cai , Yuzhe Wang , Pengyang Shao , Wenjie Wang , Fuli Feng , Richang Hong , Tat-Seng Chua

Multimedia recommendation systems leverage user-item interactions and multimodal information to capture user preferences, enabling more accurate and personalized recommendations. Despite notable advancements, existing approaches still face…

Information Retrieval · Computer Science 2026-01-19 Ji Dai , Quan Fang , Jun Hu , Desheng Cai , Yang Yang , Can Zhao