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In computer vision tasks, the ability to focus on relevant regions within an image is crucial for improving model performance, particularly when key features are small, subtle, or spatially dispersed. Convolutional neural networks (CNNs)…

Computer Vision and Pattern Recognition · Computer Science 2024-12-10 Mahmudul Hasan

Current exposure correction methods have three challenges, labor-intensive paired data annotation, limited generalizability, and performance degradation in low-level computer vision tasks. In this work, we introduce an innovative…

Computer Vision and Pattern Recognition · Computer Science 2025-07-24 Ruodai Cui , Li Niu , Guosheng Hu

Recent advances in diffusion models have significantly improved image editing. However, challenges persist in handling geometric transformations, such as translation, rotation, and scaling, particularly in complex scenes. Existing…

Computer Vision and Pattern Recognition · Computer Science 2026-02-10 Shuo Zhang , Wenzhuo Wu , Huayu Zhang , Jiarong Cheng , Xianghao Zang , Chao Ban , Hao Sun , Zhongjiang He , Tianwei Cao , Kongming Liang , Zhanyu Ma

One of the major challenges in the field of computer vision especially for detection, segmentation, recognition, monitoring, and automated solutions, is the quality of images. Image degradation, often caused by factors such as rain, fog,…

Computer Vision and Pattern Recognition · Computer Science 2025-05-20 Muhammad Awais Amin , Adama Ilboudo , Abdul Samad bin Shahid , Amjad Ali , Waqas Haider Khan Bangyal

Absolute camera pose estimation is usually addressed by sequentially solving two distinct subproblems: First a feature matching problem that seeks to establish putative 2D-3D correspondences, and then a Perspective-n-Point problem that…

Computer Vision and Pattern Recognition · Computer Science 2021-03-15 Hugo Germain , Vincent Lepetit , Guillaume Bourmaud

Facial expression recognition, as a vital computer vision task, is garnering significant attention and undergoing extensive research. Although facial expression recognition algorithms demonstrate impressive performance on high-resolution…

Computer Vision and Pattern Recognition · Computer Science 2025-11-11 Jingyi Shi

Many studies have been conducted so far on image restoration, the problem of restoring a clean image from its distorted version. There are many different types of distortion which affect image quality. Previous studies have focused on…

Computer Vision and Pattern Recognition · Computer Science 2019-04-09 Masanori Suganuma , Xing Liu , Takayuki Okatani

Natural videos captured by consumer cameras often suffer from low framerate and motion blur due to the combination of dynamic scene complexity, lens and sensor imperfection, and less than ideal exposure setting. As a result, computational…

Computer Vision and Pattern Recognition · Computer Science 2023-03-28 Wei Shang , Dongwei Ren , Yi Yang , Hongzhi Zhang , Kede Ma , Wangmeng Zuo

High-frequency displays are gaining immense popularity because of their increasing use in video games and virtual reality applications. However, the issue is that the underlying GPUs cannot continuously generate frames at this high rate --…

Graphics · Computer Science 2023-07-25 Akanksha Dixit , Yashashwee Chakrabarty , Smruti R. Sarangi

Images captured under sub-optimal illumination conditions may contain both over- and under-exposures. Current approaches mainly focus on adjusting image brightness, which may exacerbate the color tone distortion in under-exposed areas and…

Computer Vision and Pattern Recognition · Computer Science 2024-05-30 Yiyu Li , Ke Xu , Gerhard Petrus Hancke , Rynson W. H. Lau

In the field of image editing, three core challenges persist: controllability, background preservation, and efficiency. Inversion-based methods rely on time-consuming optimization to preserve the features of the initial images, which…

Computer Vision and Pattern Recognition · Computer Science 2025-03-07 Feng Tian , Yixuan Li , Yichao Yan , Shanyan Guan , Yanhao Ge , Xiaokang Yang

Visual attention in Visual Question Answering (VQA) targets at locating the right image regions regarding the answer prediction, offering a powerful technique to promote multi-modal understanding. However, recent studies have pointed out…

Computer Vision and Pattern Recognition · Computer Science 2021-11-09 Yibing Liu , Yangyang Guo , Jianhua Yin , Xuemeng Song , Weifeng Liu , Liqiang Nie

Removing blur caused by moving objects is challenging, as the moving objects are usually significantly blurry while the static background remains clear. Existing methods that rely on local blur detection often suffer from inaccuracies and…

Computer Vision and Pattern Recognition · Computer Science 2024-12-13 Zhongbao Yang , Jiangxin Dong , Jinhui Tang , Jinshan Pan

Retrieving accurate 3D reconstructions of objects from the way they reflect light is a very challenging task in computer vision. Despite more than four decades since the definition of the Photometric Stereo problem, most of the literature…

Computer Vision and Pattern Recognition · Computer Science 2021-10-13 Fotios Logothetis , Ignas Budvytis , Roberto Mecca , Roberto Cipolla

Capturing images with incorrect exposure settings fails to deliver a satisfactory visual experience. Only when the exposure is properly set, can the color and details of the images be appropriately preserved. Previous exposure correction…

Computer Vision and Pattern Recognition · Computer Science 2023-09-11 Shuning Xu , Xiangyu Chen , Binbin Song , Jiantao Zhou

Finding automatically multiple lesions in large images is a common problem in medical image analysis. Solving this problem can be challenging if, during optimization, the automated method cannot access information about the location of the…

Computer Vision and Pattern Recognition · Computer Science 2020-03-23 Florian Dubost , Hieab Adams , Pinar Yilmaz , Gerda Bortsova , Gijs van Tulder , M. Arfan Ikram , Wiro Niessen , Meike Vernooij , Marleen de Bruijne

Image Generation models are a trending topic nowadays, with many people utilizing Artificial Intelligence models in order to generate images. There are many such models which, given a prompt of a text, will generate an image which depicts…

Machine Learning · Computer Science 2025-05-20 Udaya Shreyas , L. N. Aadarsh

Exposure Correction (EC) aims to recover proper exposure conditions for images captured under over-exposure or under-exposure scenarios. While existing deep learning models have shown promising results, few have fully embedded Retinex…

Computer Vision and Pattern Recognition · Computer Science 2024-10-30 Wei Dong , Han Zhou , Yulun Zhang , Xiaohong Liu , Jun Chen

Super-resolution from motion-blurred images poses a significant challenge due to the combined effects of motion blur and low spatial resolution. To address this challenge, this paper introduces an Event-based Blurry Super Resolution Network…

Computer Vision and Pattern Recognition · Computer Science 2024-05-14 Chi Zhang , Mingyuan Lin , Xiang Zhang , Chenxu Jiang , Lei Yu

6-DoF object pose estimation from a monocular image is challenging, and a post-refinement procedure is generally needed for high-precision estimation. In this paper, we propose a framework based on a recurrent neural network (RNN) for…

Computer Vision and Pattern Recognition · Computer Science 2022-04-12 Yan Xu , Kwan-Yee Lin , Guofeng Zhang , Xiaogang Wang , Hongsheng Li