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Digital watermarking is the process to hide digital pattern directly into a digital content. Digital watermarking techniques are used to address digital rights management, protect information and conceal secrets. An invisible non-blind…

多媒体 · 计算机科学 2012-11-13 Abdur Shahid , Shahriar Badsha , Md. Rethwan Kabeer , Junaid Ahsan , Mufti Mahmud

In this paper, we propose a numerical strategy to define a multiscale analysis for color and multicomponent images based on the representation of data on a graph. Our approach consists in computing the graph of an image using the…

计算机视觉与模式识别 · 计算机科学 2015-10-28 Mohamed Malek , David Helbert , Philippe Carre

Transformations for enhancing sparsity in the approximation of color images by 2D atomic decomposition are discussed. The sparsity is firstly considered with respect to the most significant coefficients in the wavelet decomposition of the…

图像与视频处理 · 电气工程与系统科学 2021-05-17 Laura Rebollo-Neira , Aurelien Inacio

A brief review is provided of the use of the Square Wave Method (SWM) in the field of signal and image analysis and it is specified how results thus obtained are expressed using the Square Wave Transform (SWT), in the frequency domain. To…

数值分析 · 计算机科学 2015-01-06 Osvaldo Skliar , Ricardo E. Monge , Sherry Gapper

A new line of research uses compression methods to measure the similarity between signals. Two signals are considered similar if one can be compressed significantly when the information of the other is known. The existing compression-based…

计算机视觉与模式识别 · 计算机科学 2019-09-30 Tanaya Guha , Rabab K. Ward

Segmentation, a useful/powerful technique in pattern recognition, is the process of identifying object outlines within images. There are a number of efficient algorithms for segmentation in Euclidean space that depend on the variational…

计算机视觉与模式识别 · 计算机科学 2019-11-12 Xiaohao Cai , Christopher G. R. Wallis , Jennifer Y. H. Chan , Jason D. McEwen

Image warping is a necessary step in many multimedia applications such as texture mapping, image-based rendering, panorama stitching, image resizing and optical flow computation etc. Traditionally, color image warping interpolation is…

计算机视觉与模式识别 · 计算机科学 2018-12-20 Chuangye Zhang , Yan Niu , Tieru Wu , Ximing Li

We study the compression of spatial and temporal features in fluid flow data using multimedia compression techniques. The efficacy of spatial compression techniques, including JPEG and JPEG2000 (JP2), and spatio-temporal video compression…

流体动力学 · 物理学 2023-03-01 Vishal Anatharaman , Jason Feldkamp , Kai Fukami , Kunihiko Taira

Implicit neural representations have recently demonstrated promising potential in arbitrary-scale Super-Resolution (SR) of images. Most existing methods predict the pixel in the SR image based on the queried coordinate and ensemble nearby…

计算机视觉与模式识别 · 计算机科学 2024-11-12 Minghong Duan , Linhao Qu , Shaolei Liu , Manning Wang

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…

计算机视觉与模式识别 · 计算机科学 2018-05-29 Honggang Chen , Xiaohai He , Linbo Qing , Shuhua Xiong , Truong Q. Nguyen

The weighted Euler characteristic transform (WECT) is a new tool for extracting shape information from data equipped with a weight function. Image data may benefit from the WECT where the intensity of the pixels are used to define the…

计算几何 · 计算机科学 2023-07-27 Jessi Cisewski-Kehe , Brittany Terese Fasy , Dhanush Giriyan , Eli Quist

Statistical processing of speckle data enables observation of speed of processes. In intensity-based pointwise dynamic speckle analysis, a map related to speed's spatial distribution is extracted from a sequence of speckle patterns formed…

图像与视频处理 · 电气工程与系统科学 2023-03-15 Elena Stoykova , Blaga Blagoeva , Natalya Berberova-Buhova , Mikhail Levchenko , Dimana Nazarova , Lian Nedelchev , Joongki Park

Convolutional Neural Networks (CNNs) are known for requiring extensive computational resources, and quantization is among the best and most common methods for compressing them. While aggressive quantization (i.e., less than 4-bits) performs…

计算机视觉与模式识别 · 计算机科学 2022-10-18 Shahaf E. Finder , Yair Zohav , Maor Ashkenazi , Eran Treister

With the growth of digital networks such as the Internet, digital media have been explosively developed in e-commerce and online services. This causes problems such as illegal copy and fake ownership. Watermarking is proposed as one of the…

多媒体 · 计算机科学 2016-04-02 Malihe Mardanpour , Mohammad Ali Zare Chahooki

Among the existing fusion algorithms, the wavelet fusion method is the most frequently discussed one in recent publications because the wavelet approach preserves the spectral characteristics of the multispectral image better than other…

计算机视觉与模式识别 · 计算机科学 2017-01-10 Hamid Reza Shahdoosti

Image processing is one of the most immerging and widely growing techniques making it a lively research field. Image processing is converting an image to a digital format and then doing different operations on it, such as improving the…

计算机视觉与模式识别 · 计算机科学 2022-07-15 Bhishman Desai , Manish Paliwal , Kapil Kumar Nagwanshi

Image compression helps in storing the transmitted data in proficient way by decreasing its redundancy. This technique helps in transferring more digital or multimedia data over internet as it increases the storage space. It is important to…

多媒体 · 计算机科学 2012-07-11 Imen Chaabouni , Wiem Fourati , Med Salim Bouhlel

Pruning has become a very powerful and effective technique to compress and accelerate modern neural networks. Existing pruning methods can be grouped into two categories: filter pruning (FP) and weight pruning (WP). FP wins at hardware…

计算机视觉与模式识别 · 计算机科学 2020-12-10 Fanxu Meng , Hao Cheng , Ke Li , Huixiang Luo , Xiaowei Guo , Guangming Lu , Xing Sun

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

The recent theory of compressive sensing leverages upon the structure of signals to acquire them with much fewer measurements than was previously thought necessary, and certainly well below the traditional Nyquist-Shannon sampling rate.…