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In extreme classification problems, learning algorithms are required to map instances to labels from an extremely large label set. We build on a recent extreme classification framework with logarithmic time and space, and on a general…

Machine Learning · Computer Science 2018-12-13 Itay Evron , Edward Moroshko , Koby Crammer

Classical approaches for one-class problems such as one-class SVM and isolation forest require careful feature engineering when applied to structured domains like images. State-of-the-art methods aim to leverage deep learning to learn…

Machine Learning · Computer Science 2020-08-18 Sachin Goyal , Aditi Raghunathan , Moksh Jain , Harsha Vardhan Simhadri , Prateek Jain

Multi-view image compression plays a critical role in 3D-related applications. Existing methods adopt a predictive coding architecture, which requires joint encoding to compress the corresponding disparity as well as residual information.…

Image and Video Processing · Electrical Eng. & Systems 2023-04-13 Xinjie Zhang , Jiawei Shao , Jun Zhang

Top-k error is currently a popular performance measure on large scale image classification benchmarks such as ImageNet and Places. Despite its wide acceptance, our understanding of this metric is limited as most of the previous research is…

Computer Vision and Pattern Recognition · Computer Science 2016-12-19 Maksim Lapin , Matthias Hein , Bernt Schiele

Accurate computational screening of candidate materials promises to accelerate the discovery of higher-efficiency organic photovoltaics (OPVs). However, modelling charge separation in OPVs is challenging because accurate models must include…

Chemical Physics · Physics 2023-08-28 Jacob T. Willson , Daniel Balzer , Ivan Kassal

This work presents novel methods to reduce computational and memory requirements for medical image segmentation with a large number of classes. We curiously observe challenges in maintaining state-of-the-art segmentation performance with…

Computer Vision and Pattern Recognition · Computer Science 2026-01-07 Aaron Kujawa , Thomas Booth , Tom Vercauteren

Multi-modal affective computing aims to automatically recognize and interpret human attitudes from diverse data sources such as images and text, thereby enhancing human-computer interaction and emotion understanding. Existing approaches…

Computation and Language · Computer Science 2025-06-10 Yuanhe Tian , Pengsen Cheng , Guoqing Jin , Lei Zhang , Yan Song

The Object-Based Image Coding (OBIC) that was extensively studied about two decades ago, promised a vast application perspective for both ultra-low bitrate communication and high-level semantical content understanding, but it had rarely…

Image and Video Processing · Electrical Eng. & Systems 2020-03-20 Qi Xia , Haojie Liu , Zhan Ma

Existing visual token compression methods for Multimodal Large Language Models (MLLMs) predominantly operate as post-encoder modules, limiting their potential for efficiency gains. To address this limitation, we propose LaCo (Layer-wise…

Computer Vision and Pattern Recognition · Computer Science 2025-07-04 Juntao Liu , Liqiang Niu , Wenchao Chen , Jie Zhou , Fandong Meng

This study proposes a trainable sampling-based solver for combinatorial optimization problems (COPs) using a deep-learning technique called deep unfolding. The proposed solver is based on the Ohzeki method that combines Markov-chain…

Disordered Systems and Neural Networks · Physics 2024-05-03 Ryo Hagiwara , Satoshi Takabe

Vision-language pre-training like CLIP has shown promising performance on various downstream tasks such as zero-shot image classification and image-text retrieval. Most of the existing CLIP-alike works usually adopt relatively large image…

Computer Vision and Pattern Recognition · Computer Science 2023-12-04 Ying Nie , Wei He , Kai Han , Yehui Tang , Tianyu Guo , Fanyi Du , Yunhe Wang

Practical optimization problems may contain different kinds of difficulties that are often not tractable if one relies on a particular optimization method. Different optimization approaches offer different strengths that are good at…

Neural and Evolutionary Computing · Computer Science 2024-07-08 Ankur Sinha , Dhaval Pujara , Hemant Kumar Singh

Recent vision-language models excel at large-scale image-text alignment but often neglect the compositional structure of language, leading to failures on tasks that hinge on word order and predicate-argument structure. We introduce…

Computation and Language · Computer Science 2025-09-26 Kin Ian Lo , Hala Hawashin , Mina Abbaszadeh , Tilen Limback-Stokin , Hadi Wazni , Mehrnoosh Sadrzadeh

In multiclass deep network classifiers, the burden of classifying samples of different classes is put on a single classifier. As the result the optimum classification accuracy is not obtained. Also training times are large due to running…

Computer Vision and Pattern Recognition · Computer Science 2020-11-03 Abdul Mueed Hafiz , Mahmoud Hassaballah

Dual-encoder (DE) models are widely used in retrieval tasks, most commonly studied on open QA benchmarks that are often characterized by multi-class and limited training data. In contrast, their performance in multi-label and data-rich…

Machine Learning · Computer Science 2024-03-19 Nilesh Gupta , Devvrit Khatri , Ankit S Rawat , Srinadh Bhojanapalli , Prateek Jain , Inderjit Dhillon

Extreme Multi-label Classification (XMC) involves predicting a subset of relevant labels from an extremely large label space, given an input query and labels with textual features. Models developed for this problem have conventionally made…

Machine Learning · Computer Science 2025-03-05 Siddhant Kharbanda , Devaansh Gupta , Gururaj K , Pankaj Malhotra , Amit Singh , Cho-Jui Hsieh , Rohit Babbar

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

Although few-shot learning and one-class classification (OCC), i.e., learning a binary classifier with data from only one class, have been separately well studied, their intersection remains rather unexplored. Our work addresses the…

Machine Learning · Computer Science 2021-02-12 Ahmed Frikha , Denis Krompaß , Hans-Georg Köpken , Volker Tresp

Multi-view contrastive clustering (MVCC) has gained significant attention for generating consistent clustering structures from multiple views through contrastive learning. However, most existing MVCC methods create cross-views by combining…

Computer Vision and Pattern Recognition · Computer Science 2025-01-24 Hanning Yuan , Zhihui Zhang , Qi Guo , Lianhua Chi , Sijie Ruan , Jinhui Pang , Xiaoshuai Hao

Indoor visible light communications (VLC) require simultaneous illumination and communication. Hence, uniformity in the illumination is a key consideration for user comfort and data transfer in VLC systems. Several run-length limited codes…

Signal Processing · Electrical Eng. & Systems 2019-01-28 T. Uday , Abhinav Kumar , L. Natarajan