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Test-time adaptation with pre-trained vision-language models (VLMs) has attracted increasing attention for tackling the issue of distribution shift during the test phase. While prior methods have shown effectiveness in addressing…

计算机视觉与模式识别 · 计算机科学 2024-11-26 Baoshun Tong , Kaiyu Song , Hanjiang Lai

Medical Vision-language models (VLMs) have shown remarkable performances in various medical imaging domains such as histo\-pathology by leveraging pre-trained, contrastive models that exploit visual and textual information. However,…

Computational reconstruction plays a vital role in computer vision and computational photography. Most of the conventional optimization and deep learning techniques explore local information for reconstruction. Recently, nonlocal low-rank…

图像与视频处理 · 电气工程与系统科学 2023-01-10 Daoyu Li , Hanwen Xu , Miao Cao , Xin Yuan , David J. Brady , Liheng Bian

Standard Test-Time Adaptation (TTA) methods typically treat inference as a blind optimization task, applying generic objectives to all or filtered test samples. In safety-critical medical segmentation, this lack of selectivity often causes…

计算机视觉与模式识别 · 计算机科学 2026-02-24 Kartik Jhawar , Lipo Wang

Despite significant advances in deep learning, models often struggle to generalize well to new, unseen domains, especially when training data is limited. To address this challenge, we propose a novel approach for distribution-aware latent…

计算机视觉与模式识别 · 计算机科学 2023-08-29 Ran Liu , Sahil Khose , Jingyun Xiao , Lakshmi Sathidevi , Keerthan Ramnath , Zsolt Kira , Eva L. Dyer

Reinforcement learning with verifiable rewards (RLVR) can improve low-$k$ reasoning accuracy while narrowing solution coverage on challenging math questions, and pass@1 gains do not necessarily translate into better large-$k$ performance.…

人工智能 · 计算机科学 2026-04-10 Pei-Xi Xie , Che-Yu Lin , Cheng-Lin Yang

Image super-resolution (SR) is a classical yet still active low-level vision problem that aims to reconstruct high-resolution (HR) images from their low-resolution (LR) counterparts, serving as a key technique for image enhancement. Current…

计算机视觉与模式识别 · 计算机科学 2024-11-20 Yang Zou , Zhixin Chen , Zhipeng Zhang , Xingyuan Li , Long Ma , Jinyuan Liu , Peng Wang , Yanning Zhang

Supervised deep learning approaches can artificially increase the resolution of microscopy images by learning a mapping between two image resolutions or modalities. However, such methods often require a large set of hard-to-get…

图像与视频处理 · 电气工程与系统科学 2024-11-20 Marzieh Gheisari , Auguste Genovesio

Deep learning based image reconstruction methods outperform traditional methods. However, neural networks suffer from a performance drop when applied to images from a different distribution than the training images. For example, a model…

图像与视频处理 · 电气工程与系统科学 2022-06-22 Mohammad Zalbagi Darestani , Jiayu Liu , Reinhard Heckel

We present a novel systematic theoretical framework to analyze the rate-distortion (R-D) limits of learned image compression. While recent neural codecs have achieved remarkable empirical results, their distance from the…

信息论 · 计算机科学 2026-01-15 Changshuo Wang , Zijian Liang , Kai Niu , Ping Zhang

Digital imaging aims to replicate realistic scenes, but Low Dynamic Range (LDR) cameras cannot represent the wide dynamic range of real scenes, resulting in under-/overexposed images. This paper presents a deep learning-based approach for…

计算机视觉与模式识别 · 计算机科学 2023-07-07 Dwip Dalal , Gautam Vashishtha , Prajwal Singh , Shanmuganathan Raman

The present paper introduces a method for substantial reduction of the number of diffusion encoding gradients required for reliable reconstruction of HARDI signals. The method exploits the theory of compressed sensing (CS), which…

信息论 · 计算机科学 2010-09-21 Oleg Michailovich , Yogesh Rathi , Sudipto Dolui

Dual-encoder-based neural retrieval models achieve appreciable performance and complement traditional lexical retrievers well due to their semantic matching capabilities, which makes them a common choice for hybrid IR systems. However,…

信息检索 · 计算机科学 2022-11-10 Jurek Leonhardt , Marcel Jahnke , Avishek Anand

The past few years have witnessed increasing interests in applying deep learning to video compression. However, the existing approaches compress a video frame with only a few number of reference frames, which limits their ability to fully…

图像与视频处理 · 电气工程与系统科学 2021-03-18 Ren Yang , Fabian Mentzer , Luc Van Gool , Radu Timofte

The overfitting is one of the cursing subjects in the deep learning field. To solve this challenge, many approaches were proposed to regularize the learning models. They add some hyper-parameters to the model to extend the generalization;…

机器学习 · 计算机科学 2020-05-06 Mohammad Mahdi Bejani , Mehdi Ghatee

Recently learned image compression (LIC) has achieved great progress and even outperformed the traditional approach using DCT or discrete wavelet transform (DWT). However, LIC mainly reduces spatial redundancy in the autoencoder networks…

应用统计 · 统计学 2024-07-16 Haisheng Fu , Jie Liang , Zhenman Fang , Jingning Han , Feng Liang , Guohe Zhang

This paper proposes a novel Non-Local Attention optmization and Improved Context modeling-based image compression (NLAIC) algorithm, which is built on top of the deep nerual network (DNN)-based variational auto-encoder (VAE) structure. Our…

图像与视频处理 · 电气工程与系统科学 2023-02-20 Tong Chen , Haojie Liu , Zhan Ma , Qiu Shen , Xun Cao , Yao Wang

Hate Video Detection (HVD) is crucial for online ecosystems. Existing methods assume identical distributions between training (source) and inference (target) data. However, hateful content often evolves into irregular and ambiguous forms to…

计算机视觉与模式识别 · 计算机科学 2026-02-03 Jiao Li , Jian Lang , Xikai Tang , Wenzheng Shu , Ting Zhong , Qiang Gao , Yong Wang , Leiting Chen , Fan Zhou

In this study, we focus on the unsupervised domain adaptation problem where an approximate inference model is to be learned from a labeled data domain and expected to generalize well to an unlabeled data domain. The success of unsupervised…

计算机视觉与模式识别 · 计算机科学 2020-08-11 Jing Wang , Jiahong Chen , Jianzhe Lin , Leonid Sigal , Clarence W. de Silva

Test-time adaptation (TTA) is a technique used to reduce distribution gaps between the training and testing sets by leveraging unlabeled test data during inference. In this work, we expand TTA to a more practical scenario, where the test…

机器学习 · 计算机科学 2023-03-06 Chenyan Wu , Yimu Pan , Yandong Li , James Z. Wang