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In most recent years, deep convolutional neural networks (DCNNs) based image super-resolution (SR) has gained increasing attention in multimedia and computer vision communities, focusing on restoring the high-resolution (HR) image from a…

Computer Vision and Pattern Recognition · Computer Science 2019-04-15 Jingcai Guo , Shiheng Ma , Song Guo

The low dynamic range (LDR) of common cameras fails to capture the rich contrast in natural scenes, resulting in loss of color and details in saturated pixels. Reconstructing the high dynamic range (HDR) of luminance present in the scene…

Computer Vision and Pattern Recognition · Computer Science 2024-09-24 Sebastian Dille , Chris Careaga , Yağız Aksoy

This paper proposes an end-to-end Efficient Re-parameterizationResidual Attention Network(ERRA-Net) to directly restore the nonhomogeneous hazy image. The contribution of this paper mainly has the following three aspects: 1) A novel…

Image and Video Processing · Electrical Eng. & Systems 2021-09-15 Tian Ye , ErKang Chen , XinRui Huang , Peng Chen

Deep Convolutional Neural Networks (CNNs), such as Dense Convolutional Networks (DenseNet), have achieved great success for image representation by discovering deep hierarchical information. However, most existing networks simply stacks the…

Computer Vision and Pattern Recognition · Computer Science 2021-02-10 Zhao Zhang , Zemin Tang , Yang Wang , Zheng Zhang , Choujun Zhan , Zhengjun Zha , Meng Wang

Super-resolution reconstruction techniques entail the utilization of software algorithms to transform one or more sets of low-resolution images captured from the same scene into high-resolution images. In recent years, considerable…

Computer Vision and Pattern Recognition · Computer Science 2024-08-02 Hao Yan , Zixiang Wang , Zhengjia Xu , Zhuoyue Wang , Zhizhong Wu , Ranran Lyu

Balancing reconstruction quality versus model efficiency remains a critical challenge in lightweight single image super-resolution (SISR). Despite the prevalence of attention mechanisms in recent state-of-the-art SISR approaches that…

Computer Vision and Pattern Recognition · Computer Science 2025-05-28 M. Akin Yilmaz , Ahmet Bilican , A. Murat Tekalp

In the proposed SEHybridSN model, a dense block was used to reuse shallow feature and aimed at better exploiting hierarchical spatial spectral feature. Subsequent depth separable convolutional layers were used to discriminate the spatial…

Computer Vision and Pattern Recognition · Computer Science 2021-11-22 Jiaxin Cao , Xiaoyan Li

Residual networks (ResNets) have been utilized for various computer vision and image processing applications. The residual connection improves the training of the network with better gradient flow. A residual block consists of few…

Computer Vision and Pattern Recognition · Computer Science 2022-02-01 Satya Rajendra Singh , Roshan Reddy Yedla , Shiv Ram Dubey , Rakesh Sanodiya , Wei-Ta Chu

Reconstructing High Dynamic Range (HDR) videos from sequences of alternating-exposure Low Dynamic Range (LDR) frames remains highly challenging, especially under dynamic scenes where cross-exposure inconsistencies and complex motion make…

Computer Vision and Pattern Recognition · Computer Science 2026-03-19 Huanjing Yue , Dawei Li , Shaoxiong Tu , Jingyu Yang

Hyperspectral imaging can help better understand the characteristics of different materials, compared with traditional image systems. However, only high-resolution multispectral (HrMS) and low-resolution hyperspectral (LrHS) images can…

Computer Vision and Pattern Recognition · Computer Science 2019-01-11 Qi Xie , Minghao Zhou , Qian Zhao , Deyu Meng , Wangmeng Zuo , Zongben Xu

Capturing scenes with a high dynamic range is crucial to reproducing images that appear similar to those seen by the human visual system. Despite progress in developing data-driven deep learning approaches for converting low dynamic range…

Image and Video Processing · Electrical Eng. & Systems 2021-03-24 Edwin Pan , Anthony Vento

Recently, fully convolutional neural networks (FCNs) have shown significant performance in image parsing, including scene parsing and object parsing. Different from generic object parsing tasks, hand parsing is more challenging due to small…

Computer Vision and Pattern Recognition · Computer Science 2019-05-27 Yang Lu , Xiaohui Liang , Frederick W. B. Li

Fingerprint dense registration aims to finely align fingerprint pairs at the pixel level, thereby reducing intra-class differences caused by distortion. Unfortunately, traditional methods exhibited subpar performance when dealing with…

Computer Vision and Pattern Recognition · Computer Science 2024-11-04 Xiongjun Guan , Jianjiang Feng , Jie Zhou

Limited by the cost and technology, the resolution of depth map collected by depth camera is often lower than that of its associated RGB camera. Although there have been many researches on RGB image super-resolution (SR), a major problem…

Computer Vision and Pattern Recognition · Computer Science 2020-11-25 Chuhua Xian , Kun Qian , Zitian Zhang , Charlie C. L. Wang

When smartphone cameras are used to take photos of digital screens, usually moire patterns result, severely degrading photo quality. In this paper, we design a wavelet-based dual-branch network (WDNet) with a spatial attention mechanism for…

Computer Vision and Pattern Recognition · Computer Science 2020-07-20 Lin Liu , Jianzhuang Liu , Shanxin Yuan , Gregory Slabaugh , Ales Leonardis , Wengang Zhou , Qi Tian

Single image super-resolution (SR) is extremely difficult if the upscaling factors of image pairs are unknown and different from each other, which is common in real image SR. To tackle the difficulty, we develop two multi-scale deep neural…

Computer Vision and Pattern Recognition · Computer Science 2019-04-25 Shangqi Gao , Xiahai Zhuang

High-resolution representations are important for vision-based robotic grasping problems. Existing works generally encode the input images into low-resolution representations via sub-networks and then recover high-resolution…

Robotics · Computer Science 2022-09-19 Zhangli Zhou , Shaochen Wang , Ziyang Chen , Mingyu Cai , Zhen Kan

Synthesizing high dynamic range (HDR) images from multiple low-dynamic range (LDR) exposures in dynamic scenes is challenging. There are two major problems caused by the large motions of foreground objects. One is the severe misalignment…

Image and Video Processing · Electrical Eng. & Systems 2021-04-07 Yuzhen Niu , Jianbin Wu , Wenxi Liu , Wenzhong Guo , Rynson W. H. Lau

Recent advances in the design of convolutional neural network (CNN) have yielded significant improvements in the performance of image super-resolution (SR). The boost in performance can be attributed to the presence of residual or dense…

Image and Video Processing · Electrical Eng. & Systems 2022-01-31 Kuldeep Purohit , Srimanta Mandal , A. N. Rajagopalan

It is challenging to restore low-resolution (LR) images to super-resolution (SR) images with correct and clear details. Existing deep learning works almost neglect the inherent structural information of images, which acts as an important…

Image and Video Processing · Electrical Eng. & Systems 2022-06-08 Yuqing Liu , Qi Jia , Xin Fan , Shanshe Wang , Siwei Ma , Wen Gao