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Supervised pixel-based texture classification is usually performed in the feature space. We propose to perform this task in (dis)similarity space by introducing a new compression-based (dis)similarity measure. The proposed measure utilizes…

计算机视觉与模式识别 · 计算机科学 2013-11-27 Mehrdad J. Gangeh , Ali Ghodsi , Mohamed S. Kamel

Collaborative intelligence is a new paradigm for efficient deployment of deep neural networks across the mobile-cloud infrastructure. By dividing the network between the mobile and the cloud, it is possible to distribute the computational…

图像与视频处理 · 电气工程与系统科学 2018-06-19 Hyomin Choi , Ivan V. Bajic

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

Various face image datasets intended for facial biometrics research were created via web-scraping, i.e. the collection of images publicly available on the internet. This work presents an approach to detect both exactly and nearly identical…

计算机视觉与模式识别 · 计算机科学 2024-03-07 Torsten Schlett , Christian Rathgeb , Juan Tapia , Christoph Busch

Lossless image compression is required in various applications to reduce storage or transmission costs of images, while requiring the reconstructed images to have zero information loss compared to the original. Existing lossless image…

信息论 · 计算机科学 2024-09-12 Samar Agnihotri , Renu Rameshan , Ritwik Ghosal

High levels of noise usually exist in today's captured images due to the relatively small sensors equipped in the smartphone cameras, where the noise brings extra challenges to lossy image compression algorithms. Without the capacity to…

图像与视频处理 · 电气工程与系统科学 2022-07-25 Ka Leong Cheng , Yueqi Xie , Qifeng Chen

JPEG is still the most widely used image compression algorithm. Most image compression algorithms only consider uncompressed original image, while ignoring a large number of already existing JPEG images. Recently, JPEG recompression…

计算机视觉与模式识别 · 计算机科学 2023-12-06 Jianghui Zhang , Yuanyuan Wang , Lina Guo , Jixiang Luo , Tongda Xu , Yan Wang , Zhi Wang , Hongwei Qin

Estimating the primary quantization matrix of double JPEG compressed images is a problem of relevant importance in image forensics since it allows to infer important information about the past history of an image. In addition, the…

计算机视觉与模式识别 · 计算机科学 2021-03-19 Benedetta Tondi , Andrea Costranzo , Dequ Huang , Bin Li

In this paper, we propose a novel content-based image-retrieval scheme that allows us to use a mixture of plain images and compressible encrypted ones called "encryption-then-compression (EtC) images." In the proposed scheme, extended…

图像与视频处理 · 电气工程与系统科学 2022-02-02 Kenta Iida , Hitoshi Kiya

Distributed compressed sensing is concerned with representing an ensemble of jointly sparse signals using as few linear measurements as possible. Two novel joint reconstruction algorithms for distributed compressed sensing are presented in…

信息论 · 计算机科学 2014-05-22 Diego Valsesia , Giulio Coluccia , Enrico Magli

Image compression emerges as a pivotal tool in the efficient handling and transmission of digital images. Its ability to substantially reduce file size not only facilitates enhanced data storage capacity but also potentially brings…

计算机视觉与模式识别 · 计算机科学 2024-03-12 Justin Yang , Zhihao Duan , Andrew Peng , Yuning Huang , Jiangpeng He , Fengqing Zhu

The assessment of face image quality is crucial to ensure reliable face recognition. In order to provide data subjects and operators with explainable and actionable feedback regarding captured face images, relevant quality components have…

计算机视觉与模式识别 · 计算机科学 2025-01-08 Laurin Jonientz , Johannes Merkle , Christian Rathgeb , Benjamin Tams , Georg Merz

JPEG is one of the popular image compression algorithms that provide efficient storage and transmission capabilities in consumer electronics, and hence it is the most preferred image format over the internet world. In the present digital…

计算机视觉与模式识别 · 计算机科学 2019-07-30 Bulla Rajesh , Mohammed Javed , P Nagabhushan

Image retrieval utilizes image descriptors to retrieve the most similar images to a given query image. Convolutional neural network (CNN) is becoming the dominant approach to extract image descriptors for image retrieval. For low-power…

人工智能 · 计算机科学 2019-05-10 Bin Yang , Lin Yang , Xiaochun Li , Wenhan Zhang , Hua Zhou , Yequn Zhang , Yongxiong Ren , Yinbo Shi

Content-Based Image Retrieval (CBIR) techniques have been widely researched and in service with the help of cloud computing like Google Images. However, the images always contain rich sensitive information. In this case, the privacy…

密码学与安全 · 计算机科学 2020-10-01 Qi Gu , Zhihua Xia , Xingming Sun

We propose a compressive sensing algorithm that exploits geometric properties of images to recover images of high quality from few measurements. The image reconstruction is done by iterating the two following steps: 1) estimation of normal…

计算机视觉与模式识别 · 计算机科学 2015-06-11 Virginia Estellers , Jean-Philippe Thiran , Xavier Bresson

JPEG image compression algorithm is a widely used technique for image size reduction in edge and cloud computing settings. However, applying such lossy compression on images processed by deep neural networks can lead to significant accuracy…

计算机视觉与模式识别 · 计算机科学 2023-01-31 Arian Bakhtiarnia , Qi Zhang , Alexandros Iosifidis

Recent years have seen more and more demand for a unified framework to address multiple realistic image retrieval tasks concerning both category and attributes. Considering the scale of modern datasets, hashing is favorable for its low…

计算机视觉与模式识别 · 计算机科学 2016-07-20 Haomiao Liu , Ruiping Wang , Shiguang Shan , Xilin Chen

Detecting facial forgery images and videos is an increasingly important topic in multimedia forensics. As forgery images and videos are usually compressed into different formats such as JPEG and H264 when circulating on the Internet,…

计算机视觉与模式识别 · 计算机科学 2021-05-13 Shenhao Cao , Qin Zou , Xiuqing Mao , Zhongyuan Wang

For long time, person re-identification and image search are two separately studied tasks. However, for person re-identification, the effectiveness of local features and the "query-search" mode make it well posed for image search…

计算机视觉与模式识别 · 计算机科学 2015-02-10 Liang Zheng , Liyue Shen , Lu Tian , Shengjin Wang , Jiahao Bu , Qi Tian