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Related papers: Smart Multi-Modal Search: Contextual Sparse and De…

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In this report, we introduce pplx-embed, a family of multilingual embedding models that employ multi-stage contrastive learning on a diffusion-pretrained language model backbone for web-scale retrieval. By leveraging bidirectional attention…

Machine Learning · Computer Science 2026-02-16 Sedigheh Eslami , Maksim Gaiduk , Markus Krimmel , Louis Milliken , Bo Wang , Denis Bykov

This paper considers the task of matching images and sentences by learning a visual-textual embedding space for cross-modal retrieval. Finding such a space is a challenging task since the features and representations of text and image are…

Information Retrieval · Computer Science 2020-02-28 Hadi Abdi Khojasteh , Ebrahim Ansari , Parvin Razzaghi , Akbar Karimi

Efficient representation of text documents is an important building block in many NLP tasks. Research on long text categorization has shown that simple weighted averaging of word vectors for sentence representation often outperforms more…

Computation and Language · Computer Science 2019-11-20 Vivek Gupta , Ankit Saw , Pegah Nokhiz , Harshit Gupta , Partha Talukdar

Input multimodality combining speech and hand gestures has motivated numerous usability studies. Contrastingly, issues relating to the design and ergonomic evaluation of multimodal output messages combining speech with visual modalities…

Human-Computer Interaction · Computer Science 2007-09-05 Suzanne Kieffer , Noëlle Carbonell

Cross-modal retrieval is an important functionality in modern search engines, as it increases the user experience by allowing queries and retrieved objects to pertain to different modalities. In this paper, we focus on the image-sentence…

Computer Vision and Pattern Recognition · Computer Science 2021-06-02 Nicola Messina , Giuseppe Amato , Fabrizio Falchi , Claudio Gennaro , Stéphane Marchand-Maillet

Multi-object tracking (MOT) aims to associate target objects across video frames in order to obtain entire moving trajectories. With the advancement of deep neural networks and the increasing demand for intelligent video analysis, MOT has…

Computer Vision and Pattern Recognition · Computer Science 2024-03-13 Gaoang Wang , Mingli Song , Jenq-Neng Hwang

In this vision paper, we propose a shift in perspective for improving the effectiveness of similarity search. Rather than focusing solely on enhancing the data quality, particularly machine learning-generated embeddings, we advocate for a…

Databases · Computer Science 2023-08-03 Renzhi Wu , Jingfan Meng , Jie Jeff Xu , Huayi Wang , Kexin Rong

Dual encoders perform retrieval by encoding documents and queries into dense lowdimensional vectors, scoring each document by its inner product with the query. We investigate the capacity of this architecture relative to sparse bag-of-words…

Computation and Language · Computer Science 2021-02-18 Yi Luan , Jacob Eisenstein , Kristina Toutanova , Michael Collins

Exploratory search aims to guide users through a corpus rather than pinpointing exact information. We propose an exploratory search system based on hierarchical clusters and document summaries using sentence embeddings. With sentence…

Computation and Language · Computer Science 2020-07-23 Austin Silveria

We propose a novel, efficient, modular and scalable framework for content based visual media retrieval systems by leveraging the power of Deep Learning which is flexible to work both for images and videos conjointly and we also introduce an…

Machine Learning · Computer Science 2021-05-19 Ambareesh Ravi , Amith Nandakumar

Previous research on word embeddings has shown that sparse representations, which can be either learned on top of existing dense embeddings or obtained through model constraints during training time, have the benefit of increased…

Computation and Language · Computer Science 2018-09-26 Valentin Trifonov , Octavian-Eugen Ganea , Anna Potapenko , Thomas Hofmann

Multimodal retrieval, which seeks to retrieve relevant content across modalities such as text or image, supports applications from AI search to contents production. Despite the success of separate-encoder approaches like CLIP align…

Computation and Language · Computer Science 2025-10-20 Qiyu Wu , Shuyang Cui , Satoshi Hayakawa , Wei-Yao Wang , Hiromi Wakaki , Yuki Mitsufuji

In this paper, we describe a multi-modal search system designed to search old archaeological books and reports. This corpus is digitally available as scanned PDFs, but varies widely in the quality of scans. Our pipeline, designed for…

We present a multi-modal dialog system to assist online shoppers in visually browsing through large catalogs. Visual browsing is different from visual search in that it allows the user to explore the wide range of products in a catalog,…

Computer Vision and Pattern Recognition · Computer Science 2019-01-31 Indrani Bhattacharya , Arkabandhu Chowdhury , Vikas Raykar

In search advertising, keyword matching connects user queries with relevant ads. While token-based matching increases ad coverage, it can reduce relevance due to overly permissive semantic expansion. This work extends keyword reach through…

Information Retrieval · Computer Science 2025-05-27 Dipanwita Saha , Anis Zaman , Hua Zou , Ning Chen , Xinxin Shu , Nadia Vase , Abraham Bagherjeiran

While an image is worth more than a thousand words, only a few provide crucial information for a given task and thus should be focused on. In light of this, ideal text-to-image (T2I) retrievers should prioritize specific visual attributes…

Computer Vision and Pattern Recognition · Computer Science 2025-10-15 Siting Li , Xiang Gao , Simon Shaolei Du

Scene text spotting is of great importance to the computer vision community due to its wide variety of applications. Recent methods attempt to introduce linguistic knowledge for challenging recognition rather than pure visual…

Computer Vision and Pattern Recognition · Computer Science 2022-12-13 Shancheng Fang , Zhendong Mao , Hongtao Xie , Yuxin Wang , Chenggang Yan , Yongdong Zhang

Neural architecture search methods are able to find high performance deep learning architectures with minimal effort from an expert. However, current systems focus on specific use-cases (e.g. convolutional image classifiers and recurrent…

Machine Learning · Computer Science 2019-10-01 Renato Negrinho , Darshan Patil , Nghia Le , Daniel Ferreira , Matthew Gormley , Geoffrey Gordon

Multi-modal 3D object detection has exhibited significant progress in recent years. However, most existing methods can hardly scale to long-range scenarios due to their reliance on dense 3D features, which substantially escalate…

Computer Vision and Pattern Recognition · Computer Science 2024-03-18 Yiheng Li , Hongyang Li , Zehao Huang , Hong Chang , Naiyan Wang

Image similarity has been extensively studied in computer vision. In recent years, machine-learned models have shown their ability to encode more semantics than traditional multivariate metrics. However, in labelling semantic similarity,…

Computer Vision and Pattern Recognition · Computer Science 2024-09-11 Zukang Liao , Min Chen
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