English
Related papers

Related papers: A new image compression by gradient Haar wavelet

200 papers

JPEG is arguably the most popular image coding format, achieving high compression ratios via lossy quantization that may create visual artifacts degradation. Numerous attempts to remove these artifacts were conceived over the years, and…

Image and Video Processing · Electrical Eng. & Systems 2023-09-01 Sean Man , Guy Ohayon , Theo Adrai , Michael Elad

Image compression is a method to remove spatial redundancy between adjacent pixels and reconstruct a high-quality image. In the past few years, deep learning has gained huge attention from the research community and produced promising image…

Image and Video Processing · Electrical Eng. & Systems 2021-09-07 Khawar Islam , L. Minh Dang , Sujin Lee , Hyeonjoon Moon

JPEG2000 (j2k) is a highly popular format for image and video compression.With the rapidly growing applications of cloud based image classification, most existing j2k-compatible schemes would stream compressed color images from the source…

Computer Vision and Pattern Recognition · Computer Science 2019-09-13 Lahiru D. Chamain , Zhi Ding

A novel data compression scheme is presented. The method is very suitable for black and white images, and it can generate a compression factor of eight; in general the bitmap is optimized for an arbitary number of colors and not only for…

General Physics · Physics 2007-05-23 Gordon Chalmers

Image Fusion, a technique which combines complimentary information from different images of the same scene so that the fused image is more suitable for segmentation, feature extraction, object recognition and Human Visual System. In this…

Information Theory · Computer Science 2008-12-04 R. Balasubramanian , Gaurav Bhatnagar

Dark image enhancement aims at converting dark images to normal-light images. Existing dark image enhancement methods take uncompressed dark images as inputs and achieve great performance. However, in practice, dark images are often…

Computer Vision and Pattern Recognition · Computer Science 2024-03-13 Yi Zeng , Zhengning Wang , Yuxuan Liu , Tianjiao Zeng , Xuhang Liu , Xinglong Luo , Shuaicheng Liu , Shuyuan Zhu , Bing Zeng

With the growth of computer vision based applications and services, an explosive amount of images have been uploaded to cloud servers which host such computer vision algorithms, usually in the form of deep learning models. JPEG has been…

Multimedia · Computer Science 2019-09-19 Hongshan Li , Yu Guo , Zhi Wang , Shutao Xia , Wenwu Zhu

In recent years, the image and video coding technologies have advanced by leaps and bounds. However, due to the popularization of image and video acquisition devices, the growth rate of image and video data is far beyond the improvement of…

Computer Vision and Pattern Recognition · Computer Science 2019-04-23 Siwei Ma , Xinfeng Zhang , Chuanmin Jia , Zhenghui Zhao , Shiqi Wang , Shanshe Wang

In this paper, we present a generative adversarial network framework that generates compressed images instead of synthesizing raw RGB images and compressing them separately. In the real world, most images and videos are stored and…

Computer Vision and Pattern Recognition · Computer Science 2019-01-24 Byeongkeun Kang , Subarna Tripathi , Truong Q. Nguyen

Compressive imaging is an emerging application of compressed sensing, devoted to acquisition, encoding and reconstruction of images using random projections as measurements. In this paper we propose a novel method to provide a scalable…

Information Theory · Computer Science 2013-10-07 Diego Valsesia , Enrico Magli

A large fraction of Internet traffic is now driven by requests from mobile devices with relatively small screens and often stringent bandwidth requirements. Due to these factors, it has become the norm for modern graphics-heavy websites to…

Computer Vision and Pattern Recognition · Computer Science 2016-03-03 George Toderici , Sean M. O'Malley , Sung Jin Hwang , Damien Vincent , David Minnen , Shumeet Baluja , Michele Covell , Rahul Sukthankar

Acquisition of high dynamic range (HDR) images is thriving due to the increasing use of smart devices and the demand for high-quality output. Extensive research has focused on developing methods for reducing the luminance range in HDR…

Image and Video Processing · Electrical Eng. & Systems 2024-09-25 Xenios Milidonis , Francesco Banterle , Alessandro Artusi

Lossy Image compression is necessary for efficient storage and transfer of data. Typically the trade-off between bit-rate and quality determines the optimal compression level. This makes the image quality metric an integral part of any…

Computer Vision and Pattern Recognition · Computer Science 2021-07-16 Juan Carlos Mier , Eddie Huang , Hossein Talebi , Feng Yang , Peyman Milanfar

The high amount of sensors required for autonomous driving poses enormous challenges on the capacity of automotive bus systems. There is a need to understand tradeoffs between bitrate and perception performance. In this paper, we compare…

Computer Vision and Pattern Recognition · Computer Science 2019-02-13 Jonas Löhdefink , Andreas Bär , Nico M. Schmidt , Fabian Hüger , Peter Schlicht , Tim Fingscheidt

The underwater images usually suffers from non-uniform lighting, low contrast, blur and diminished colors. In this paper, we proposed an image based preprocessing technique to enhance the quality of the underwater images. The proposed…

Computer Vision and Pattern Recognition · Computer Science 2012-12-04 C. J. Prabhakar , P. U. Praveen Kumar

Recently, learned image compression methods have developed rapidly and exhibited excellent rate-distortion performance when compared to traditional standards, such as JPEG, JPEG2000 and BPG. However, the learning-based methods suffer from…

Image and Video Processing · Electrical Eng. & Systems 2022-06-24 Bowen Li , Yao Xin , Youneng Bao , Fanyang Meng , Yongsheng Liang , Wen Tan

In this paper, we propose a new algorithm to make a novel spatial image transformation. The proposed approach aims to reduce the bit depth used for image storage. The basic technique for the proposed transformation is based of the modulus…

Computer Vision and Pattern Recognition · Computer Science 2013-04-26 Firas A. Jassim

The paper introduces the idea of non-uniform quantization in the detail components of wavelet transformed image. It argues that most of the coefficients of horizontal, vertical and diagonal components lie near to zeros and the coefficients…

Multimedia · Computer Science 2013-06-13 Madhur Srivastava , Prasanta K. Panigrahi

JPEG is one of the widely used lossy compression methods. JPEG-compressed images usually suffer from compression artifacts including blocking and blurring, especially at low bit-rates. Soft decoding is an effective solution to improve the…

Computer Vision and Pattern Recognition · Computer Science 2018-05-29 Honggang Chen , Xiaohai He , Linbo Qing , Shuhua Xiong , Truong Q. Nguyen

Lossless image compression is an important technique for image storage and transmission when information loss is not allowed. With the fast development of deep learning techniques, deep neural networks have been used in this field to…

Image and Video Processing · Electrical Eng. & Systems 2021-08-25 Honglei Zhang , Francesco Cricri , Hamed R. Tavakoli , Nannan Zou , Emre Aksu , Miska M. Hannuksela
‹ Prev 1 3 4 5 6 7 10 Next ›