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Images with different resolutions are ubiquitous in public person re-identification (ReID) datasets and real-world scenes, it is thus crucial for a person ReID model to handle the image resolution variations for improving its generalization…

Computer Vision and Pattern Recognition · Computer Science 2018-10-25 Zijie Zhuang , Haizhou Ai , Long Chen , Chong Shang

Optical imaging through turbid or heterogeneous environments (collectively referred to as complex media) is fundamentally challenged by scattering, which scrambles structured spatial and phase information. To address this, we propose a…

This paper introduces a novel deep learning framework for robust image zero-watermarking based on distortion-invariant feature learning. As a zero-watermarking scheme, our method leaves the original image unaltered and learns a reference…

Computer Vision and Pattern Recognition · Computer Science 2026-04-03 Abdullah All Tanvir , Frank Y. Shih , Xin Zhong

Single image haze removal is a very challenging and ill-posed problem. The existing haze removal methods in literature, including the recently introduced deep learning methods, model the problem of haze removal as that of estimating…

Computer Vision and Pattern Recognition · Computer Science 2018-05-03 Kunal Swami , Saikat Kumar Das

Terahertz (THz) imaging is one of the hotspots in the field of optics, where the depth information retrieval is a key factor to restore the three-dimensional appearance of objects. Impressive results for depth extraction in visible and…

Optics · Physics 2024-07-09 Mingjun Xiang , Hui Yuan , Kai Zhou , Hartmut G. Roskos

Many imaging inverse problems$\unicode{x2014}$such as image-dependent in-painting and dehazing$\unicode{x2014}$are challenging because their forward models are unknown or depend on unknown latent parameters. While one can solve such…

Computer Vision and Pattern Recognition · Computer Science 2023-04-04 Matthew A. Chan , Sean I. Young , Christopher A. Metzler

Fluorescence microscopy is a major driver of scientific progress in the life sciences. Although high-end confocal microscopes are capable of filtering out-of-focus light, cheaper and more accessible microscopy modalities, such as widefield…

Image and Video Processing · Electrical Eng. & Systems 2026-04-08 Anirban Ray , Ashesh Ashesh , Florian Jug

Image denoising methods must effectively model, implicitly or explicitly, the vast diversity of patterns and textures that occur in natural images. This is challenging, even for modern methods that leverage deep neural networks trained to…

Computer Vision and Pattern Recognition · Computer Science 2019-12-11 Zhihao Xia , Ayan Chakrabarti

Equivariant imaging (EI) enables training signal reconstruction models without requiring ground truth data by leveraging signal symmetries. Deep equilibrium models (DEQs) are a powerful class of neural networks where the output is a fixed…

Image and Video Processing · Electrical Eng. & Systems 2025-11-25 Alexander Mehta , Ruangrawee Kitichotkul , Vivek K Goyal , Julián Tachella

Deep models have demonstrated recent success in single-image dehazing. Most prior methods consider fully supervised training and learn from paired clean and hazy images, where a hazy image is synthesized based on a clean image and its…

Computer Vision and Pattern Recognition · Computer Science 2023-05-29 Zhengyang Lou , Huan Xu , Fangzhou Mu , Yanli Liu , Xiaoyu Zhang , Liang Shang , Jiang Li , Bochen Guan , Yin Li , Yu Hen Hu

In a conventional domain adaptation person Re-identification (Re-ID) task, both the training and test images in target domain are collected under the sunny weather. However, in reality, the pedestrians to be retrieved may be obtained under…

Computer Vision and Pattern Recognition · Computer Science 2021-04-23 Jian Pang , Dacheng Zhang , Huafeng Li , Weifeng Liu , Zhengtao Yu

Equivariant Imaging (EI) regularization has become the de-facto technique for unsupervised training of deep imaging networks, without any need of ground-truth data. Observing that the EI-based unsupervised training paradigm currently has…

Image and Video Processing · Electrical Eng. & Systems 2025-12-12 Guixian Xu , Jinglai Li , Junqi Tang

Learning a metric of natural image patches is an important tool for analyzing images. An efficient means is to train a deep network to map an image patch to a vector space, in which the Euclidean distance reflects patch similarity. Previous…

Computer Vision and Pattern Recognition · Computer Science 2018-07-10 Dov Danon , Hadar Averbuch-Elor , Ohad Fried , Daniel Cohen-Or

In this work we test the ability of deep learning methods to provide an end-to-end mapping between low and high resolution images applying it to the iris recognition problem. Here, we propose the use of two deep learning single-image…

Image and Video Processing · Electrical Eng. & Systems 2023-11-03 Eduardo Ribeiro , Andreas Uhl , Fernando Alonso-Fernandez , Reuben A. Farrugia

We compare a recent dehazing method based on deep learning, Dehazenet, with traditional state-of-the-art approaches , on benchmark data with reference. Dehazenet estimates the depth map from transmission factor on a single color image,…

Computer Vision and Pattern Recognition · Computer Science 2018-06-29 A Benoit , Leonel Cuevas , Jean-Baptiste Thomas

This work focuses on unsupervised representation learning in person re-identification (ReID). Recent self-supervised contrastive learning methods learn invariance by maximizing the representation similarity between two augmented views of a…

Computer Vision and Pattern Recognition · Computer Science 2023-01-03 Hao Chen , Yaohui Wang , Benoit Lagadec , Antitza Dantcheva , Francois Bremond

Computer vision is increasingly used in areas such as unmanned vehicles, surveillance systems and remote sensing. However, in foggy scenarios, image degradation leads to loss of target details, which seriously affects the accuracy and…

Computer Vision and Pattern Recognition · Computer Science 2024-11-18 Zhenjun Zhang , Lijun Tang , Hongjin Wang , Lilian Zhang , Yunze He , Yaonan Wang

Haze degrades content and obscures information of images, which can negatively impact vision-based decision-making in real-time systems. In this paper, we propose an efficient fully convolutional neural network (CNN) image dehazing method…

Computer Vision and Pattern Recognition · Computer Science 2019-05-06 Peter Morales , Tzofi Klinghoffer , Seung Jae Lee

Decoding the human brain has been a hallmark of neuroscientists and Artificial Intelligence researchers alike. Reconstruction of visual images from brain Electroencephalography (EEG) signals has garnered a lot of interest due to its…

Computer Vision and Pattern Recognition · Computer Science 2023-10-26 Prajwal Singh , Dwip Dalal , Gautam Vashishtha , Krishna Miyapuram , Shanmuganathan Raman

This study explores the challenges of integrating human visual cue-based dehazing into object detection, given the selective nature of human perception. While human vision adapts dynamically to environmental conditions, computational…

Computer Vision and Pattern Recognition · Computer Science 2025-03-18 Ashutosh Kumar , Aman Chadha