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In Image Compression, the researchers' aim is to reduce the number of bits required to represent an image by removing the spatial and spectral redundancies. Recently discrete wavelet transform and wavelet packet has emerged as popular…

Computer Vision and Pattern Recognition · Computer Science 2010-04-20 G. K. Kharate , V. H. Patil

A novel algorithm is proposed for segmenting an image into multiple levels using its mean and variance. Starting from the extreme pixel values at both ends of the histogram plot, the algorithm is applied recursively on sub-ranges computed…

Computer Vision and Pattern Recognition · Computer Science 2007-05-23 Siddharth Arora , Jayadev Acharya , Amit Verma , Prasanta K. Panigrahi

Image compression is a fundamental technology for Internet communication engineering. However, a high compression rate with general methods may degrade images, resulting in unreadable texts. In this paper, we propose an image compression…

Computer Vision and Pattern Recognition · Computer Science 2023-05-31 Shohei Uchigasaki , Tomo Miyazaki , Shinichiro Omachi

In this paper, we improve image reconstruction in a single-pixel scanning system by selecting an detector optimal field of view. Image reconstruction is based on compressed sensing and image quality is compared to interpolated staring…

Image and Video Processing · Electrical Eng. & Systems 2020-10-02 Gene Stoltz , André Leon Nel

Edge detection, a basic task in the field of computer vision, is an important preprocessing operation for the recognition and understanding of a visual scene. In conventional models, the edge image generated is ambiguous, and the edge lines…

Computer Vision and Pattern Recognition · Computer Science 2022-03-18 Dawei Dai , Chunjie Wang , Shuyin Xia , Yingge Liu , Guoyin Wang

This paper proposes a new steganographic scheme relying on the principle of cover-source switching, the key idea being that the embedding should switch from one cover-source to another. The proposed implementation, called Natural…

Multimedia · Computer Science 2016-07-27 Patrick Bas

This paper describes an adaptive Lagrange multiplier determination method for rate-quality optimisation in video compression. Inspired by the experimental results of a Lagrange multiplier selection test, the presented approach adaptively…

Image and Video Processing · Electrical Eng. & Systems 2021-06-16 Fan Zhang , David R. Bull

The Quality of image fusion is an essential determinant of the value of processing images fusion for many applications. Spatial and spectral qualities are the two important indexes that used to evaluate the quality of any fused image.…

Computer Vision and Pattern Recognition · Computer Science 2012-09-18 Firouz Abdullah Al-Wassai , N. V. Kalyankar , Ali A. Al-Zaky

End-to-end trainable models have reached the performance of traditional handcrafted compression techniques on videos and images. Since the parameters of these models are learned over large training sets, they are not optimal for any given…

Image and Video Processing · Electrical Eng. & Systems 2022-10-12 Oussama Jourairi , Muhammet Balcilar , Anne Lambert , François Schnitzler

Feature based steganalysis, an emerging branch in information forensics, aims at identifying the presence of a covert communication by employing the statistical features of the cover and stego image as clues/evidences. Due to the large…

Cryptography and Security · Computer Science 2010-08-18 S. Geetha , N. Kamaraj

Image Steganography is a thriving research area of information security where secret data is embedded in images to hide its existence while getting the minimum possible statistical detectability. This paper proposes a novel magic least…

Multimedia · Computer Science 2015-06-09 Khan Muhammad , Muhammad Sajjad , Irfan Mehmood , Seungmin Rho , Sung Wook Baik

Image downscaling is one of the key operations in recent display technology and visualization tools. By this process, the dimension of an image is reduced, aiming to preserve structural integrity and visual fidelity. In this paper, we…

Image and Video Processing · Electrical Eng. & Systems 2025-10-28 G B Kevin Arjun , Suvrojit Mitra , Sanjay Ghosh

Single image super-resolution is the task of inferring a high-resolution image from a single low-resolution input. Traditionally, the performance of algorithms for this task is measured using pixel-wise reconstruction measures such as peak…

Computer Vision and Pattern Recognition · Computer Science 2018-01-16 Mehdi S. M. Sajjadi , Bernhard Schölkopf , Michael Hirsch

This work proposes an evolutionary computing-based image segmentation approach for analyzing soundness in Additive Friction Stir Deposition (AFSD) processes. Particle Swarm Optimization (PSO) was employed to determine optimal segmentation…

Computer Vision and Pattern Recognition · Computer Science 2025-07-02 Akshansh Mishra , Eyob Mesele Sefene , Shivraman Thapliyal

Various and different methods can be used to produce high-resolution multispectral images from high-resolution panchromatic image (PAN) and low-resolution multispectral images (MS), mostly on the pixel level. The Quality of image fusion is…

Computer Vision and Pattern Recognition · Computer Science 2012-07-24 Firouz Abdullah Al-Wassai , Dr. N. V. Kalyankar

Image steganography is the technique of embedding secret information within images. The development of deep learning has led to significant advances in this field. However, existing methods often struggle to balance image quality, embedding…

Computer Vision and Pattern Recognition · Computer Science 2024-11-12 Abhinav Kumar , Pratham Singla , Aayan Yadav

Purpose: This study presents a variable resolution (VR) sampling and deep learning reconstruction approach for multi-spectral MRI near metal implants, aiming to reduce scan times while maintaining image quality. Background: The rising use…

Image and Video Processing · Electrical Eng. & Systems 2024-11-01 Azadeh Sharafi , Nikolai J. Mickevicius , Mehran Baboli , Andrew S. Nencka , Kevin M. Koch

The parameter selection is crucial to regularization based image restoration methods. Generally speaking, a spatially fixed parameter for regularization item in the whole image does not perform well for both edge and smooth areas. A larger…

Image and Video Processing · Electrical Eng. & Systems 2021-04-07 Tingting Zhang , Jie Chen , Caiying Wu , Zhifei He , Tieyong Zeng , Qiyu Jin

Nowadays digital image compression and decompression techniques are very much important. So our aim is to calculate the quality of face and other regions of the compressed image with respect to the original image. Image segmentation is…

Computer Vision and Pattern Recognition · Computer Science 2014-02-07 Abhishek Bhattacharya , Tanusree Chatterjee

In recent years, arbitrary image style transfer has attracted more and more attention. Given a pair of content and style images, a stylized one is hoped that retains the content from the former while catching style patterns from the latter.…

Computer Vision and Pattern Recognition · Computer Science 2023-01-03 Chiyu Zhang , Jun Yang , Zaiyan Dai , Peng Cao