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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…

Computer Vision and Pattern Recognition · Computer Science 2013-11-27 Mehrdad J. Gangeh , Ali Ghodsi , Mohamed S. Kamel

During the last decade, hyperspectral images have attracted increasing interest from researchers worldwide. They provide more detailed information about an observed area and allow an accurate target detection and precise discrimination of…

Computer Vision and Pattern Recognition · Computer Science 2022-10-26 Asma Elmaizi , Hasna Nhaila , Elkebir Sarhrouni , Ahmed Hammouch , Nacir Chafik

Digital image steganography requires a careful trade-off among payload capacity, visual fidelity, and statistical undetectability. Fixed-depth least significant bit embedding remains attractive because of its simplicity and high capacity,…

Cryptography and Security · Computer Science 2026-03-20 Aadi Joshi , Kavya Bhand

Secret information sharing through image carrier has aroused much research attention in recent years with images' growing domination on the Internet and mobile applications. However, with the booming trend of convolutional neural networks,…

Computer Vision and Pattern Recognition · Computer Science 2019-07-11 Yang Yang

This paper reports a CPU-level real-time stereo matching method for surgical images (10 Hz on 640 * 480 image with a single core of i5-9400). The proposed method is built on the fast ''dense inverse searching'' algorithm, which estimates…

Computer Vision and Pattern Recognition · Computer Science 2022-09-20 Jingwei Song , Qiuchen Zhu , Jianyu Lin , Maani Ghaffari

Segmentation is a key stage in dermoscopic image processing, where the accuracy of the border line that defines skin lesions is of utmost importance for subsequent algorithms (e.g., classification) and computer-aided early diagnosis of…

Computer Vision and Pattern Recognition · Computer Science 2019-02-21 Pedro M. M. Pereira , Rui Fonseca-Pinto , Rui Pedro Paiva , Luis M. N. Tavora , Pedro A. A. Assuncao , Sergio M. M. de Faria

To address the challenge of autonomous UGV localization in GNSS-denied off-road environments,this study proposes a matching-based localization method that leverages BEV perception image and satellite map within a road similarity space to…

Robotics · Computer Science 2025-04-24 Zhenping Sun , Chuang Yang , Yafeng Bu , Bokai Liu , Jun Zeng , Xiaohui Li

A wireless sensor network (WSN) typically consists of base stations and a large number of wireless sensors. The sensory data gathered from the whole network at a certain time snapshot can be visualized as an image. As a result, information…

Multimedia · Computer Science 2017-06-27 Rola Al-Sharif , Christophe Guyeux , Yousra Ahmed Fadil , Abdallah Makhoul , Ali Jaber

Non-local self similarity (NSS) is a powerful prior of natural images for image denoising. Most of existing denoising methods employ similar patches, which is a patch-level NSS prior. In this paper, we take one step forward by introducing a…

Computer Vision and Pattern Recognition · Computer Science 2020-04-22 Yingkun Hou , Jun Xu , Mingxia Liu , Guanghai Liu , Li Liu , Fan Zhu , Ling Shao

This paper is to create a practical steganographic implementation to hide color image (stego) inside another color image (cover). The proposed technique uses Five Modulus Method to convert the whole pixels within both the cover and the…

Multimedia · Computer Science 2013-04-08 Firas A. Jassim

In image pooled steganalysis, a steganalyst, Eve, aims to detect if a set of images sent by a steganographer, Alice, to a receiver, Bob, contains a hidden message. We can reasonably assess that the steganalyst does not know the strategy…

Cryptography and Security · Computer Science 2019-10-01 Ahmad Zakaria , Marc Chaumont , Gérard Subsol

Change detection in heterogeneous multitemporal satellite images is an emerging and challenging topic in remote sensing. In particular, one of the main challenges is to tackle the problem in an unsupervised manner. In this paper we propose…

Computer Vision and Pattern Recognition · Computer Science 2020-01-08 Luigi T. Luppino , Filippo M. Bianchi , Gabriele Moser , Stian N. Anfinsen

This paper is concerned with secret hiding in multiple image bitplanes for increased security without undermining capacity. A secure steganographic algorithm based on bitplanes index manipulation is proposed. The index manipulation is…

Multimedia · Computer Science 2020-04-28 Alan Anwer Abdulla , Sabah A. Jassim , Harin Sellahewa

We hide grayscale secret images into a grayscale cover image, which is considered to be a challenging steganography problem. Our goal is to develop a steganography scheme with enhanced embedding capacity while preserving the visual quality…

Cryptography and Security · Computer Science 2022-09-07 Rohit Agrawal , Kapil Ahuja , Marc C. Steinbach , Thomas Wick

This article describes novel text steganalysis method. The archiver "Bzip2" used for detection stegotext generated by Texto stegosystem. Experiments show that proposed approach gets better performance than typical existing methods. The…

Cryptography and Security · Computer Science 2011-10-18 Ivan Nechta

In order to promote the rapid development of image steganalysis technology, in this paper, we construct and release a multivariable large-scale image steganalysis dataset called IStego100K. It contains 208,104 images with the same size of…

Cryptography and Security · Computer Science 2019-11-14 Zhongliang Yang , Ke Wang , Sai Ma , Yongfeng Huang , Xiangui Kang , Xianfeng Zhao

This paper explores the connection between steganography and adversarial images. On the one hand, ste-ganalysis helps in detecting adversarial perturbations. On the other hand, steganography helps in forging adversarial perturbations that…

Cryptography and Security · Computer Science 2020-10-16 Benoît Bonnet , Teddy Furon , Patrick Bas

Stereo matching is one of the most popular techniques to estimate dense depth maps by finding the disparity between matching pixels on two, synchronized and rectified images. Alongside with the development of more accurate algorithms, the…

Computer Vision and Pattern Recognition · Computer Science 2021-04-01 Matteo Poggi , Seungryong Kim , Fabio Tosi , Sunok Kim , Filippo Aleotti , Dongbo Min , Kwanghoon Sohn , Stefano Mattoccia

We propose a robust and provably secure image steganography framework based on latent-space iterative optimization. Within this framework, the receiver treats the transmitted image as a fixed reference and iteratively refines a latent…

Cryptography and Security · Computer Science 2026-03-11 Yanan Li , Zixuan Wang , Qiyang Xiao , Yanzhen Ren

Steganography is one of the methods used for secret communication. Steganography attempts to hide the existence of the information. The object used to hide the secret information is called as cover object. Images are the most popular cover…

Multimedia · Computer Science 2013-07-12 S. Hemalatha , U. Dinesh Acharya , A. Renuka
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