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Sparsity learning with known grouping structure has received considerable attention due to wide modern applications in high-dimensional data analysis. Although advantages of using group information have been well-studied by shrinkage-based…

Machine Learning · Statistics 2018-09-28 Wei Qian , Wending Li , Yasuhiro Sogawa , Ryohei Fujimaki , Xitong Yang , Ji Liu

Benefiting from the advancement of computer vision, natural language processing and information retrieval techniques, visual question answering (VQA), which aims to answer questions about an image or a video, has received lots of attentions…

Computer Vision and Pattern Recognition · Computer Science 2019-05-14 Yangyang Guo , Zhiyong Cheng , Liqiang Nie , Yibing Liu , Yinglong Wang , Mohan Kankanhalli

We propose a learning system in which language is grounded in visual percepts without specific pre-defined categories of terms. We present a unified generative method to acquire a shared semantic/visual embedding that enables the learning…

Computation and Language · Computer Science 2021-08-02 Nisha Pillai , Cynthia Matuszek , Francis Ferraro

Video Question Answering (VideoQA) aims to answer natural language questions based on the information observed in videos. Despite the recent success of Large Multimodal Models (LMMs) in image-language understanding and reasoning, they deal…

Computer Vision and Pattern Recognition · Computer Science 2024-07-24 Haibo Wang , Chenghang Lai , Yixuan Sun , Weifeng Ge

Bias analysis is a crucial step in the process of creating fair datasets for training and evaluating computer vision models. The bottleneck in dataset analysis is annotation, which typically requires: (1) specifying a list of attributes…

Computer Vision and Pattern Recognition · Computer Science 2023-12-01 Krish Kabra , Kathleen M. Lewis , Guha Balakrishnan

Statistical n-gram language models are widely used for context-biasing tasks in Automatic Speech Recognition (ASR). However, existing implementations lack computational efficiency due to poor parallelization, making context-biasing less…

Audio and Speech Processing · Electrical Eng. & Systems 2025-05-30 Vladimir Bataev , Andrei Andrusenko , Lilit Grigoryan , Aleksandr Laptev , Vitaly Lavrukhin , Boris Ginsburg

We hypothesize that due to the greedy nature of learning in multi-modal deep neural networks, these models tend to rely on just one modality while under-fitting the other modalities. Such behavior is counter-intuitive and hurts the models'…

Machine Learning · Computer Science 2022-09-20 Nan Wu , Stanisław Jastrzębski , Kyunghyun Cho , Krzysztof J. Geras

Establishing a clear link between model predictions and the visual evidence that supports them is critical for transparency and reliability in multimodal reasoning, yet current multimodal large language model (MLLM) evaluations do not…

Computer Vision and Pattern Recognition · Computer Science 2026-05-21 Mozhgan Nasr Azadani , Yimu Wang , Yongpeng Zhu , Lihong Chen , Milan Ganai , Sean Sedwards , Marco Pavone , Krzysztof Czarnecki

Deep learning has become the standard approach for most machine learning tasks. While its impact is undeniable, interpreting the predictions of deep learning models from a human perspective remains a challenge. In contrast to model…

Machine Learning · Computer Science 2023-11-13 Kyriakos Axiotis , Sami Abu-al-haija , Lin Chen , Matthew Fahrbach , Gang Fu

We consider the exploration problem: an agent equipped with a depth sensor must map out a previously unknown environment using as few sensor measurements as possible. We propose an approach based on supervised learning of a greedy…

Machine Learning · Computer Science 2022-03-29 Louis Ly , Yen-Hsi Richard Tsai

Large Vision-Language Models (LVLMs) have achieved strong performance on vision-language tasks, particularly Visual Question Answering (VQA). While prior work has explored unimodal biases in VQA, the problem of selection bias in…

Computer Vision and Pattern Recognition · Computer Science 2025-09-23 Md. Atabuzzaman , Ali Asgarov , Chris Thomas

Dataset biases are notoriously detrimental to model robustness and generalization. The identify-emphasize paradigm appears to be effective in dealing with unknown biases. However, we discover that it is still plagued by two challenges: A,…

Machine Learning · Computer Science 2023-02-23 Bowen Zhao , Chen Chen , Qian-Wei Wang , Anfeng He , Shu-Tao Xia

Visual Question-Answering (VQA) has become key to user experience, particularly after improved generalization capabilities of Vision-Language Models (VLMs). But evaluating VLMs for an application requirement using a standardized framework…

Computer Vision and Pattern Recognition · Computer Science 2024-12-13 Neelabh Sinha , Vinija Jain , Aman Chadha

This technical report briefly describes our JDExplore d-team's submission Vega v1 on the General Language Understanding Evaluation (GLUE) leaderboard, where GLUE is a collection of nine natural language understanding tasks, including…

Computation and Language · Computer Science 2023-02-21 Qihuang Zhong , Liang Ding , Keqin Peng , Juhua Liu , Bo Du , Li Shen , Yibing Zhan , Dacheng Tao

Gradient Boosting Machines (GBM) are among the go-to algorithms on tabular data, which produce state of the art results in many prediction tasks. Despite its popularity, the GBM framework suffers from a fundamental flaw in its base…

Machine Learning · Computer Science 2021-09-14 Afek Ilay Adler , Amichai Painsky

Visual Question Answering (VQA) attracts much attention from both industry and academia. As a multi-modality task, it is challenging since it requires not only visual and textual understanding, but also the ability to align cross-modality…

Computer Vision and Pattern Recognition · Computer Science 2022-01-27 Peixi Xiong , Quanzeng You , Pei Yu , Zicheng Liu , Ying Wu

Scene Graph Generation (SGG) aims to extract entities, predicates and their semantic structure from images, enabling deep understanding of visual content, with many applications such as visual reasoning and image retrieval. Nevertheless,…

Computer Vision and Pattern Recognition · Computer Science 2020-04-02 Alireza Zareian , Svebor Karaman , Shih-Fu Chang

In multi-modal reasoning tasks, such as visual question answering (VQA), there have been many modeling and training paradigms tested. Previous models propose different methods for the vision and language tasks, but which ones perform the…

Machine Learning · Computer Science 2021-03-23 Karan Samel , Zelin Zhao , Binghong Chen , Kuan Wang , Robin Luo , Le Song

Variational autoencoder (VAE) is a widely used generative model for learning latent representations. Burda et al. in their seminal paper showed that learning capacity of VAE is limited by over-pruning. It is a phenomenon where a significant…

Machine Learning · Computer Science 2020-08-10 Rayyan Ahmad Khan , Muhammad Umer Anwaar , Martin Kleinsteuber

Generative Recommendation (GR) has become a promising end-to-end approach with high FLOPS utilization for resource-efficient recommendation. Despite the effectiveness, we show that current GR models suffer from a critical \textbf{bias…

Information Retrieval · Computer Science 2026-02-05 Xinyu Lin , Pengyuan Liu , Wenjie Wang , Yicheng Hu , Chen Xu , Fuli Feng , Qifan Wang , Tat-Seng Chua