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This paper addresses about various image compression techniques. On the basis of analyzing the various image compression techniques this paper presents a survey of existing research papers. In this paper we analyze different types of…

信息论 · 计算机科学 2013-11-28 Gaurav Vijayvargiya , Sanjay Silakari , Rajeev Pandey

Capturing High Dynamic Range (HDR) scenery using 8-bit cameras often suffers from over-/underexposure, loss of fine details due to low bit-depth compression, skewed color distributions, and strong noise in dark areas. Traditional LDR image…

图像与视频处理 · 电气工程与系统科学 2024-06-14 Baiang Li , Sizhuo Ma , Yanhong Zeng , Xiaogang Xu , Youqing Fang , Zhao Zhang , Jian Wang , Kai Chen

Microarray technology is a new and powerful tool for the concurrent monitoring of a large number of gene expressions. Each microarray experiment produces hundreds of images. Each digital image requires a large storage space. Hence,…

图像与视频处理 · 电气工程与系统科学 2023-03-21 Anahita Banaei , Shadrokh Samavi , Ebrahim Nasr Esfahani

Sparse coding of images is traditionally done by cutting them into small patches and representing each patch individually over some dictionary given a pre-determined number of nonzero coefficients to use for each patch. In lack of a way to…

计算机视觉与模式识别 · 计算机科学 2017-05-30 Reza Borhani , Jeremy Watt , Aggelos Katsaggelos

The rapid growth of data from satellite-based Earth observation (EO) systems poses significant challenges in data transmission and storage. We evaluate the potential of task-specific learned compression algorithms in this context to reduce…

计算机视觉与模式识别 · 计算机科学 2025-12-02 Christian Mollière , Iker Cumplido , Marco Zeulner , Lukas Liesenhoff , Matthias Schubert , Julia Gottfriedsen

Nighttime images captured under hazy conditions suffer from severe quality degradation, including low visibility, color distortion, and reduced contrast, caused by the combined effects of atmospheric scattering, absorption by suspended…

计算机视觉与模式识别 · 计算机科学 2026-04-01 Francesco Moretti , Giulia Bianchi , Andrea Gallo

Low-rank sparse regression models have been widely adopted in face recognition due to their robustness against occlusion and illumination variations. However, existing methods often suffer from insufficient feature representation and…

计算机视觉与模式识别 · 计算机科学 2025-11-18 Hongxia Li , Ying Ji , Yongxin Dong , Yuehua Feng

In recent years, reversible data hiding has attracted much more attention than before. Reversibility signifies that the original media can be recovered without any loss from the marked media after extracting the embedded message. This paper…

密码学与安全 · 计算机科学 2011-02-09 Xu-Ren Luo , Chen-Hui Jerry Lin , Te-Lung Yin

Although digital cameras can acquire high-dynamic range (HDR) images, the captured HDR information are mostly quantized to low-dynamic range (LDR) images for display compatibility and compact storage. In this paper, we propose an invertible…

图像与视频处理 · 电气工程与系统科学 2021-10-12 Zhuming Zhang , Menghan Xia , Xueting Liu , Chengze Li , Tien-Tsin Wong

Ghosting artifacts, motion blur, and low fidelity in highlight are the main challenges in High Dynamic Range (HDR) imaging from multiple Low Dynamic Range (LDR) images. These issues come from using the medium-exposed image as the reference…

图像与视频处理 · 电气工程与系统科学 2022-11-07 Wei Li , Shuai Xiao , Tianhong Dai , Shanxin Yuan , Tao Wang , Cheng Li , Fenglong Song

In recent years we have witnessed an increasing interest in applying Deep Neural Networks (DNNs) to improve the rate-distortion performance in image compression. However, the existing approaches either train a post-processing DNN on the…

图像与视频处理 · 电气工程与系统科学 2020-10-27 Yannick Strümpler , Ren Yang , Radu Timofte

For the last few decades, the application of signal-adaptive transform coding to video compression has been stymied by the large computational complexity of matrix-based solutions. In this paper, we propose a novel parametric approach to…

图像与视频处理 · 电气工程与系统科学 2025-05-29 Amir Said , Xin Zhao , Marta Karczewicz , Hilmi E. Egilmez , Vadim Seregin , Jianle Chen

The application of the context-adaptive entropy model significantly improves the rate-distortion (R-D) performance, in which hyperpriors and autoregressive models are jointly utilized to effectively capture the spatial redundancy of the…

图像与视频处理 · 电气工程与系统科学 2022-09-09 Haisheng Fu , Feng Liang

Most of the real world scenes have a very high dynamic range (HDR). The mobile phone cameras and the digital cameras available in markets are limited in their capability in both the range and spatial resolution. Same argument can be posed…

计算机视觉与模式识别 · 计算机科学 2013-05-21 Govind Salvi , Puneet Sharma , Shanmuganathan Raman

In this paper, we study a real-world JPEG image restoration problem with bit errors on the encrypted bitstream. The bit errors bring unpredictable color casts and block shifts on decoded image contents, which cannot be resolved by existing…

图像与视频处理 · 电气工程与系统科学 2023-04-17 Wenyang Liu , Yi Wang , Kim-Hui Yap , Lap-Pui Chau

We introduce a simple and efficient lossless image compression algorithm. We store a low resolution version of an image as raw pixels, followed by several iterations of lossless super-resolution. For lossless super-resolution, we predict…

图像与视频处理 · 电气工程与系统科学 2020-04-07 Sheng Cao , Chao-Yuan Wu , Philipp Krähenbühl

This paper proposes the first non-flow-based deep framework for high dynamic range (HDR) imaging of dynamic scenes with large-scale foreground motions. In state-of-the-art deep HDR imaging, input images are first aligned using optical flows…

计算机视觉与模式识别 · 计算机科学 2018-07-25 Shangzhe Wu , Jiarui Xu , Yu-Wing Tai , Chi-Keung Tang

Scalable image coding for both humans and machines is a technique that has gained a lot of attention recently. This technology enables the hierarchical decoding of images for human vision and image recognition models. It is a highly…

计算机视觉与模式识别 · 计算机科学 2024-06-18 Takahiro Shindo , Yui Tatsumi , Taiju Watanabe , Hiroshi Watanabe

In recent years, there has been rapid development in learned image compression techniques that prioritize ratedistortion-perceptual compression, preserving fine details even at lower bit-rates. However, current learning-based image…

计算机视觉与模式识别 · 计算机科学 2023-05-19 Peirong Ning , Wei Jiang , Ronggang Wang

Learned image compression methods generally optimize a rate-distortion loss, trading off improvements in visual distortion for added bitrate. Increasingly, however, compressed imagery is used as an input to deep learning networks for…

图像与视频处理 · 电气工程与系统科学 2022-02-02 Maxime Kawawa-Beaudan , Ryan Roggenkemper , Avideh Zakhor