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Related papers: AWNet: Attentive Wavelet Network for Image ISP

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As the popularity of mobile photography is growing constantly, lots of efforts are being invested now into building complex hand-crafted camera ISP solutions. In this work, we demonstrate that even the most sophisticated ISP pipelines can…

Computer Vision and Pattern Recognition · Computer Science 2020-02-14 Andrey Ignatov , Luc Van Gool , Radu Timofte

The deep learning (DL)-based methods of low-level tasks have many advantages over the traditional camera in terms of hardware prospects, error accumulation and imaging effects. Recently, the application of deep learning to replace the image…

Computer Vision and Pattern Recognition · Computer Science 2022-10-11 Hongyang Chen , Kaisheng Ma

The quality of images captured by smartphones is an important specification since smartphones are becoming ubiquitous as primary capturing devices. The traditional image signal processing (ISP) pipeline in a smartphone camera consists of…

Image and Video Processing · Electrical Eng. & Systems 2021-08-29 Saumya Gupta , Diplav Srivastava , Umang Chaturvedi , Anurag Jain , Gaurav Khandelwal

Image deblurring is a classical computer vision problem that aims to recover a sharp image from a blurred image. To solve this problem, existing methods apply the Encode-Decode architecture to design the complex networks to make a good…

Image and Video Processing · Electrical Eng. & Systems 2021-10-13 Wenbin Zou , Mingchao Jiang , Yunchen Zhang , Liang Chen , Zhiyong Lu , Yi Wu

Single image deraining is a crucial problem because rain severely degenerates the visibility of images and affects the performance of computer vision tasks like outdoor surveillance systems and intelligent vehicles. In this paper, we…

Computer Vision and Pattern Recognition · Computer Science 2021-10-11 Hao-Hsiang Yang , Chao-Han Huck Yang , Yu-Chiang Frank Wang

Background: Underwater images, in general, suffer from low contrast and high color distortions due to the non-uniform attenuation of the light as it propagates through the water. In addition, the degree of attenuation varies with the…

Image and Video Processing · Electrical Eng. & Systems 2022-01-20 Prasen Kumar Sharma , Ira Bisht , Arijit Sur

In modern smartphone cameras, the Image Signal Processor (ISP) is the core element that converts the RAW readings from the sensor into perceptually pleasant RGB images for the end users. The ISP is typically proprietary and handcrafted and…

Computer Vision and Pattern Recognition · Computer Science 2024-09-26 Omar Elezabi , Marcos V. Conde , Radu Timofte

We propose a trainable Image Signal Processing (ISP) framework that produces DSLR quality images given RAW images captured by a smartphone. To address the color misalignments between training image pairs, we employ a color-conditional ISP…

Computer Vision and Pattern Recognition · Computer Science 2022-07-13 Ardhendu Shekhar Tripathi , Martin Danelljan , Samarth Shukla , Radu Timofte , Luc Van Gool

Traditional image signal processing (ISP) pipeline consists of a set of individual image processing components onboard a camera to reconstruct a high-quality sRGB image from the sensor raw data. Due to the hand-crafted nature of the ISP…

Image and Video Processing · Electrical Eng. & Systems 2019-08-09 Zhetong Liang , Jianrui Cai , Zisheng Cao , Lei Zhang

Synthetic aperture radar (SAR) image change detection is critical in remote sensing image analysis. Recently, the attention mechanism has been widely used in change detection tasks. However, existing attention mechanisms often employ…

Image and Video Processing · Electrical Eng. & Systems 2024-07-19 Jiangwei Xie , Feng Gao , Xiaowei Zhou , Junyu Dong

Image signal processors (ISPs) are historically grown legacy software systems for reconstructing color images from noisy raw sensor measurements. They are usually composited of many heuristic blocks for denoising, demosaicking, and color…

Computer Vision and Pattern Recognition · Computer Science 2022-03-23 Matheus Souza , Wolfgang Heidrich

Reconstructing RGB image from RAW data obtained with a mobile device is related to a number of image signal processing (ISP) tasks, such as demosaicing, denoising, etc. Deep neural networks have shown promising results over hand-crafted ISP…

Image and Video Processing · Electrical Eng. & Systems 2021-04-08 Byung-Hoon Kim , Joonyoung Song , Jong Chul Ye , JaeHyun Baek

In deep networks, the lost data details significantly degrade the performances of image segmentation. In this paper, we propose to apply Discrete Wavelet Transform (DWT) to extract the data details during feature map down-sampling, and…

Computer Vision and Pattern Recognition · Computer Science 2020-06-01 Qiufu Li , Linlin Shen

Deep image registration has demonstrated exceptional accuracy and fast inference. Recent advances have adopted either multiple cascades or pyramid architectures to estimate dense deformation fields in a coarse-to-fine manner. However, due…

Computer Vision and Pattern Recognition · Computer Science 2024-07-19 Xinxing Cheng , Xi Jia , Wenqi Lu , Qiufu Li , Linlin Shen , Alexander Krull , Jinming Duan

Image signal processors (ISPs) are historically grown legacy software systems for reconstructing color images from noisy raw sensor measurements. Each smartphone manufacturer has developed its ISPs with its own characteristic heuristics for…

Computer Vision and Pattern Recognition · Computer Science 2024-01-09 Matheus Souza , Wolfgang Heidrich

Deep neural networks face numerous challenges in hyperspectral image classification, including high-dimensional data, sparse ground object distributions, and spectral redundancy, which often lead to classification overfitting and limited…

Computer Vision and Pattern Recognition · Computer Science 2025-04-16 Guandong Li , Mengxia Ye

Channel Attention reigns supreme as an effective technique in the field of computer vision. However, the proposed channel attention by SENet suffers from information loss in feature learning caused by the use of Global Average Pooling (GAP)…

Computer Vision and Pattern Recognition · Computer Science 2024-03-13 Hadi Salman , Caleb Parks , Shi Yin Hong , Justin Zhan

The Image Signal Processor (ISP) is a fundamental component in modern smartphone cameras responsible for conversion of RAW sensor image data to RGB images with a strong focus on perceptual quality. Recent work highlights the potential of…

Computer Vision and Pattern Recognition · Computer Science 2025-05-16 Andrei Arhire , Radu Timofte

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

Recent promising effort for spectral reconstruction (SR) focuses on learning a complicated mapping through using a deeper and wider convolutional neural networks (CNNs). Nevertheless, most CNN-based SR algorithms neglect to explore the…

Image and Video Processing · Electrical Eng. & Systems 2020-05-20 Jiaojiao Li , Chaoxiong Wu , Rui Song , Yunsong Li , Fei Liu
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