English
Related papers

Related papers: Improving pixel differentiation in holographic ima…

200 papers

The dual-pixel (DP) hardware works by splitting each pixel in half and creating an image pair in a single snapshot. Several works estimate depth/inverse depth by treating the DP pair as a stereo pair. However, dual-pixel disparity only…

Computer Vision and Pattern Recognition · Computer Science 2020-12-02 Liyuan Pan , Shah Chowdhury , Richard Hartley , Miaomiao Liu , Hongguang Zhang , Hongdong Li

Reference-guided image inpainting restores image pixels by leveraging the content from another single reference image. The primary challenge is how to precisely place the pixels from the reference image into the hole region. Therefore,…

Computer Vision and Pattern Recognition · Computer Science 2022-10-11 Yunhan Zhao , Connelly Barnes , Yuqian Zhou , Eli Shechtman , Sohrab Amirghodsi , Charless Fowlkes

This work observed the problem of fingerprint image recognition in the case of missing pixels from the original image. The possibility of missing pixels recovery is tested by applying the Compressive Sensing approach. Namely, different…

Computer Vision and Pattern Recognition · Computer Science 2019-02-15 Dejan Brajovic , Kristina Tomovic , Jovan Radonjic

Given a composite image, image harmonization aims to adjust the foreground illumination to be consistent with background. Previous methods have explored transforming foreground features to achieve competitive performance. In this work, we…

Computer Vision and Pattern Recognition · Computer Science 2023-08-02 Li Niu , Linfeng Tan , Xinhao Tao , Junyan Cao , Fengjun Guo , Teng Long , Liqing Zhang

Recent work has shown that learned image compression strategies can outperform standard hand-crafted compression algorithms that have been developed over decades of intensive research on the rate-distortion trade-off. With growing…

Image and Video Processing · Electrical Eng. & Systems 2021-11-04 Felipe Codevilla , Jean Gabriel Simard , Ross Goroshin , Chris Pal

Computational ghost imaging (CGI) and single-pixel camera (SPC) are two types of single-pixel imaging and attracts increasing interest in recent years. The performance differences of CGI and SPC in difference light disturbance environment…

Image and Video Processing · Electrical Eng. & Systems 2022-04-19 Wenlin Gong

We present a simple and effective image super-resolution algorithm that imposes an image formation constraint on the deep neural networks via pixel substitution. The proposed algorithm first uses a deep neural network to estimate…

Image and Video Processing · Electrical Eng. & Systems 2020-03-31 Jinshan Pan , Yang Liu , Deqing Sun , Jimmy Ren , Ming-Ming Cheng , Jian Yang , Jinhui Tang

Dual pixels contain disparity cues arising from the defocus blur. This disparity information is useful for many vision tasks ranging from autonomous driving to 3D creative realism. However, directly estimating disparity from dual pixels is…

Computer Vision and Pattern Recognition · Computer Science 2024-05-21 Aryan Garg , Raghav Mallampali , Akshat Joshi , Shrisudhan Govindarajan , Kaushik Mitra

Image-to-image translation is a topic in computer vision that has a vast range of use cases ranging from medical image translation, such as converting MRI scans to CT scans or to other MRI contrasts, to image colorization, super-resolution,…

Computer Vision and Pattern Recognition · Computer Science 2025-02-06 Omar Zamzam

Coherent diffraction imaging (CDI) is a promising imaging technique revealing most of the information from diffraction measurements. An ideal CDI should reconstruct complex-valued object from a single-shot far-field diffraction without any…

Optics · Physics 2022-08-26 An-Dong Xiong , Xiao-Peng Jin , Xv-Ri Yao , Qing Zhao

Over the years, various algorithms were developed, attempting to imitate the Human Visual System (HVS), and evaluate the perceptual image quality. However, for certain image distortions, the functionality of the HVS continues to be an…

Image and Video Processing · Electrical Eng. & Systems 2022-08-09 Shira Faigenbaum-Golovin , Or Shimshi

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

High Dynamic Range (HDR) images can be recovered from several Low Dynamic Range (LDR) images by existing Deep Neural Networks (DNNs) techniques. Despite the remarkable progress, DNN-based methods still generate ghosting artifacts when LDR…

Computer Vision and Pattern Recognition · Computer Science 2023-11-03 Qingsen Yan , Tao Hu , Yuan Sun , Hao Tang , Yu Zhu , Wei Dong , Luc Van Gool , Yanning Zhang

We study the problem of shape generation in 3D mesh representation from a few color images with known camera poses. While many previous works learn to hallucinate the shape directly from priors, we resort to further improving the shape…

Computer Vision and Pattern Recognition · Computer Science 2019-08-19 Chao Wen , Yinda Zhang , Zhuwen Li , Yanwei Fu

One of the major open problems in computer vision is detection of features in visually impaired images. In this paper, we describe a potential solution using Phase Stretch Transform, a new computational approach for image analysis, edge…

Computer Vision and Pattern Recognition · Computer Science 2017-06-16 Madhuri Suthar , Mohammad Asghari , Bahram Jalali

Capturing visual image with a hyperspectral camera has been successfully applied to many areas due to its narrow-band imaging technology. Hyperspectral reconstruction from RGB images denotes a reverse process of hyperspectral imaging by…

Image and Video Processing · Electrical Eng. & Systems 2020-05-12 Yuzhi Zhao , Lai-Man Po , Qiong Yan , Wei Liu , Tingyu Lin

Illumination patterns of computational ghost imaging (CGI) systems suffer from reduced contrast when passing through a scattering medium, which causes the effective information in the reconstruction result to be drowned out by noise. A…

Optics · Physics 2023-04-18 Li-Xing Lin , Jie Cao , Qun Hao

Uncalibrated photometric stereo is proposed to estimate the detailed surface normal from images under varying and unknown lightings. Recently, deep learning brings powerful data priors to this underdetermined problem. This paper presents a…

Computer Vision and Pattern Recognition · Computer Science 2022-08-09 Fangzhou Gao , Meng Wang , Lianghao Zhang , Li Wang , Jiawan Zhang

By a proper arrangement of a digital holography setup, that combines off-axis geometry with phase-shifting recording conditions, it is possible to reach the theoretical shot noise limit, in real-time experiments.We studied this limit, and…

Optics · Physics 2012-06-11 Frédéric Verpillat , Fadwa Joud , Michael Atlan , Michel Gross

This paper presents a novel and efficient image enhancement method based on pigment representation. Unlike conventional methods where the color transformation is restricted to pre-defined color spaces like RGB, our method dynamically adapts…

Image and Video Processing · Electrical Eng. & Systems 2025-10-06 Se-Ho Lee , Keunsoo Ko , Seung-Wook Kim