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This work presents an independent reproducibility study of a lossy image compression technique that integrates singular value decomposition (SVD) and wavelet difference reduction (WDR). The original paper claims that combining SVD and WDR…

计算机视觉与模式识别 · 计算机科学 2025-12-09 Alena Makarova

In this paper, we present an image separation method for separating images into point- and curvelike parts by employing a combined dictionary consisting of wavelets and compactly supported shearlets utilizing the fact that they sparsely…

数值分析 · 数学 2011-06-13 Gitta Kutyniok , Wang-Q Lim

Transform image processing methods are methods that work in domains of image transforms, such as Discrete Fourier, Discrete Cosine, Wavelet and alike. They are the basic tool in image compression, in image restoration, in image re-sampling…

计算机视觉与模式识别 · 计算机科学 2014-08-28 Leonid Yaroslavsky

In this work, we propose a fast superpixel-based color transfer method (SCT) between two images. Superpixels enable to decrease the image dimension and to extract a reduced set of color candidates. We propose to use a fast approximate…

计算机视觉与模式识别 · 计算机科学 2025-09-18 Rémi Giraud , Vinh-Thong Ta , Nicolas Papadakis

The Easy Path Wavelet Transform is an adaptive transform for bivariate functions (in particular natural images) which has been proposed in [1]. It provides a sparse representation by finding a path in the domain of the function leveraging…

信息论 · 计算机科学 2017-02-16 Renato Budinich

Motivated with the concept of transform learning and the utility of rational wavelet transform in audio and speech processing, this paper proposes Rational Wavelet Transform Learning in Statistical sense (RWLS) for natural images. The…

计算机视觉与模式识别 · 计算机科学 2017-05-03 Naushad Ansari , Anubha Gupta

This paper presents a new compression technique and image watermarking algorithm based on Contourlet Transform (CT). For image compression, an energy based quantization is used. Scalar quantization is explored for image watermarking. Double…

计算机视觉与模式识别 · 计算机科学 2010-07-15 Kilari Veera Swamy , B. Chandra Mohan , Y. V. Bhaskar Reddy , S. Srinivas Kumar

In recent years, many research achievements are made in the medical image fusion field. Medical Image fusion means that several of various modality image information is comprehended together to form one image to express its information. The…

图像与视频处理 · 电气工程与系统科学 2020-07-23 T Deepika

In this paper a self organized legal document/content authentication, copyright protection in composite domain has been proposed without using any external information. Average values of transformed red and green components in frequency…

密码学与安全 · 计算机科学 2012-12-12 Madhumita Sengupta , J. K. Mandal

Traditional methods, such as JPEG, perform image compression by operating on structural information, such as pixel values or frequency content. These methods are effective to bitrates around one bit per pixel (bpp) and higher at standard…

计算机视觉与模式识别 · 计算机科学 2024-02-22 Jordan Dotzel , Bahaa Kotb , James Dotzel , Mohamed Abdelfattah , Zhiru Zhang

The paper is aimed for a wavelet based steganographic or watermarking technique in frequency domain termed as WASTIR for secret message or image transmission or image authentication. Number system conversion of the secret image by changing…

密码学与安全 · 计算机科学 2013-05-17 Madhumita Sengupta , J. K. Mandal

With the advancement in image editing tools, manipulating digital images has become alarmingly easy. Inpainting, which is used to remove objects or fill in parts of an image, serves as a powerful tool for both image restoration and forgery.…

计算机视觉与模式识别 · 计算机科学 2024-08-14 Barglazan Adrian-Alin , Brad Remus Ovidiu

Steganography is the art and science of covert communication. The secret information can be concealed in content such as image, audio, or video. This paper provides a novel image steganography technique to hide both image and key in color…

密码学与安全 · 计算机科学 2013-04-12 Hemalatha S , U Dinesh Acharya , Renuka A , Priya R. Kamath

In this paper the technique for resolution and contrast enhancement of satellite geographical images based on discrete wavelet transform (DWT), stationary wavelet transform (SWT) and singular value decomposition (SVD) has been proposed. In…

计算机视觉与模式识别 · 计算机科学 2014-05-09 Prajakta P. Khairnar , C. A. Manjare

This is the report for the PRIM project in Telecom Paris. This report is about applications based on spatial-frequency transform and deep learning techniques. In this report, there are two main works. The first work is about the enhanced…

图像与视频处理 · 电气工程与系统科学 2020-04-07 Qinkai Zheng , Han Qiu , Gerard Memmi , Isabelle Bloch

Image fusion produces a single fused image from a set of input images. A new method for image fusion is proposed based on Weighted Average Merging Method (WAMM) in the NonSubsampled Contourlet Transform (NSCT) domain. A performance analysis…

计算机视觉与模式识别 · 计算机科学 2012-05-09 Manu V T , Philomina Simon

Typically, metadata of images are stored in a specific data segment of the image file. However, to securely detect changes, data can also be embedded within images. This follows the goal to invisibly and robustly embed as much information…

密码学与安全 · 计算机科学 2023-03-02 Sven-Jannik Wöhnert , Kai Hendrik Wöhnert , Eldar Almamedov , Carsten Frank , Volker Skwarek

In this paper, we will present p roposed enhance process of image compression by using RLE algorithm. This proposed yield to decrease the size of compressing image, but the original method used primarily for compressing a binary images…

多媒体 · 计算机科学 2018-04-03 Ali H. Husseen Al-nuaimi , Shyamaa Shakir Al-juboori , R. J. Mohammed

The volume of data and the velocity with which it is being generated by com- putational experiments on high performance computing (HPC) systems is quickly outpacing our ability to effectively store this information in its full fidelity.…

统计计算 · 统计学 2014-07-14 Henry Scharf , Ryan Elmore , Kenny Gruchalla

We investigate the use of wavelet-space feature decomposition in neural super-resolution for rendering pipelines. Building on recent neural upscaling frameworks, we introduce a formulation that predicts stationary wavelet coefficients…

图形学 · 计算机科学 2025-09-23 Prateek Poudel , Prashant Aryal , Kirtan Kunwar , Navin Nepal , Dinesh Baniya Kshatri