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Transmitting images for communication on social networks has become routine, which is helpful for covert communication. The traditional steganography algorithm is unable to successfully convey secret information since the social network…

Multimedia · Computer Science 2023-04-27 Xiaolong Duan , Bin Li , Zhaoxia Yin , Xinpeng Zhang , Bin Luo

Image signals typically are defined on a rectangular two-dimensional grid. However, there exist scenarios where this is not fulfilled and where the image information only is available for a non-regular subset of pixel position. For…

Image and Video Processing · Electrical Eng. & Systems 2022-07-15 Jürgen Seiler , André Kaup

This paper presents a new method for dynamic texture recognition based on spatiotemporal Gabor filters. Dynamic textures have emerged as a new field of investigation that extends the concept of self-similarity of texture image to the…

Computer Vision and Pattern Recognition · Computer Science 2012-01-18 Wesley Nunes Gonçalves , Bruno Brandoli Machado , Odemir Martinez Bruno

In this paper we present an image retrieval system based on Gabor texture features, steganography, and mobile agents.. By employing the information hiding technique, the image attributes can be hidden in an image without degrading the image…

Cryptography and Security · Computer Science 2007-05-23 Sabu . M Thampi , K. Chandra Sekaran

JPEG is a widely used compression scheme to efficiently reduce the volume of transmitted images. The artifacts appear among blocks due to the information loss, which not only affects the quality of images but also harms the subsequent…

Computer Vision and Pattern Recognition · Computer Science 2024-01-04 Long Peng , Yang Cao , Yuejin Sun , Yang Wang

Advanced visual localization techniques encompass image retrieval challenges and 6 Degree-of-Freedom (DoF) camera pose estimation, such as hierarchical localization. Thus, they must extract global and local features from input images.…

Computer Vision and Pattern Recognition · Computer Science 2022-12-27 Wenzheng Song , Ran Yan , Boshu Lei , Takayuki Okatani

Prior dual-stream methods with the feature interaction mechanism have achieved remarkable performance in single image reflection removal (SIRR). However, they often struggle with (1) semantic understanding gap between the features of…

Computer Vision and Pattern Recognition · Computer Science 2026-03-02 Yu Chen , Zewei He , Xingyu Liu , Zixuan Chen , Zheming Lu

With the development of human communications the usage of Visual Communications has also increased. The advancement of image compression methods is one of the main reasons for the enhancement. This paper first presents main modes of image…

Computer Vision and Pattern Recognition · Computer Science 2017-09-04 Yaser Sadra

Due to the powerful edge-preserving ability and low computational complexity, Guided image filter (GIF) and its improved versions has been widely applied in computer vision and image processing. However, all of them are suffered halo…

Computer Vision and Pattern Recognition · Computer Science 2023-10-18 Jinyu Li

In frame-based vision, object detection faces substantial performance degradation under challenging conditions due to the limited sensing capability of conventional cameras. Event cameras output sparse and asynchronous events, providing a…

Computer Vision and Pattern Recognition · Computer Science 2024-11-01 Hu Cao , Zehua Zhang , Yan Xia , Xinyi Li , Jiahao Xia , Guang Chen , Alois Knoll

Discriminative correlation filters (DCFs) have been shown to perform superiorly in visual tracking. They only need a small set of training samples from the initial frame to generate an appearance model. However, existing DCFs learn the…

Computer Vision and Pattern Recognition · Computer Science 2017-08-03 Yibing Song , Chao Ma , Lijun Gong , Jiawei Zhang , Rynson Lau , Ming-Hsuan Yang

Multi-contrast MRI acquisitions of an anatomy enrich the magnitude of information available for diagnosis. Yet, excessive scan times associated with additional contrasts may be a limiting factor. Two mainstream approaches for enhanced scan…

Computer Vision and Pattern Recognition · Computer Science 2018-05-29 Salman Ul Hassan Dar , Mahmut Yurt , Mohammad Shahdloo , Muhammed Emrullah Ildız , Tolga Çukur

With limited storage/bandwidth resources, input images to Computer Vision (CV) applications that use Deep Neural Networks (DNNs) are often encoded with JPEG that is tailored to Human Vision (HV). This paper presents Deep Selector-JPEG, an…

Image and Video Processing · Electrical Eng. & Systems 2023-02-21 Hossam Amer , Sepideh Shaterian , En-hui Yang

Change detection (CD) in remote sensing aims to identify semantic differences between satellite images captured at different times. While deep learning has significantly advanced this field, existing approaches based on convolutional neural…

Computer Vision and Pattern Recognition · Computer Science 2026-03-03 Durgesh Ameta , Ujjwal Mishra , Praful Hambarde , Amit Shukla

This paper presents a novel method for detection of LSB matching steganogra- phy in grayscale images. This method is based on the analysis of the differences between neighboring pixels before and after random data embedding. In natu- ral…

Multimedia · Computer Science 2017-03-03 Daniel Lerch-Hostalot , David Megías

Recent advances in deep learning have led to superhuman performance across a variety of applications. Recently, these methods have been successfully employed to improve the rate-distortion performance in the task of image compression.…

Image and Video Processing · Electrical Eng. & Systems 2022-02-01 Ankur Mali , Alexander Ororbia , Daniel Kifer , Lee Giles

The early detection of pancreatic neoplasm is a major clinical dilemma, and it is predominantly so because tumors are likely to occur with minimal contrast margins and a large spread anatomy-wide variation amongst patients on a CT scan.…

Computer Vision and Pattern Recognition · Computer Science 2026-02-19 Janani Annur Thiruvengadam , Kiran Mayee Nabigaru , Anusha Kovi

Accurate depth estimation is crucial for many fields, including robotics, navigation, and medical imaging. However, conventional depth sensors often produce low-resolution (LR) depth maps, making detailed scene perception challenging. To…

Computer Vision and Pattern Recognition · Computer Science 2025-01-06 Athanasios Tragakis , Chaitanya Kaul , Kevin J. Mitchell , Hang Dai , Roderick Murray-Smith , Daniele Faccio

Change detection in heterogeneous remote sensing images is crucial for disaster damage assessment. Recent methods use homogenous transformation, which transforms the heterogeneous optical and SAR remote sensing images into the same feature…

Computer Vision and Pattern Recognition · Computer Science 2020-04-09 Xiao Jiang , Gang Li , Yu Liu , Xiao-Ping Zhang , You He

Radar target recognition (RTR), as a key technology of intelligent radar systems, has been well investigated. Accurate RTR at low signal-to-noise ratios (SNRs) still remains an open challenge. Most existing methods are based on a single…

Signal Processing · Electrical Eng. & Systems 2022-06-14 Han Meng , Yuexing Peng , Wei Xiang , Xu Pang , Wenbo Wang