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Related papers: Visual cryptography in single-pixel imaging

200 papers

Many current watermarking algorithms insert data in the spatial or transform domains like the discrete cosine, the discrete Fourier, and the discrete wavelet transforms. In this paper, we present a data-hiding algorithm that exploits the…

Multimedia · Computer Science 2010-12-13 Rashmi Agarwal , M. S. Santhanam

This paper presents an indoor visible light communication (VLC) system in conjunction with an imaging receiver with parallel data transmission (spatial multiplexing) to decrease the effects of inter-symbol interference (ISI). To distinguish…

Signal Processing · Electrical Eng. & Systems 2018-11-06 Safwan Hafeedh Younus , Aubida A. Al-Hameed , Ahmed Taha Hussein , Mohammed T. Alresheedi , Jaafar M. H. Elmirghani

Visual Cryptography Schemes (VCS) based on the "XOR" operation (XVCS) exhibit significantly smaller pixel expansion and higher contrast compared to those based on the "OR" operation. Moreover, the "XOR" operation appears to possess superior…

Cryptography and Security · Computer Science 2023-05-24 Zizhuo Wang , Ziyang Xu , Xingxing Jia

Single pixel imaging (SPI) is a novel technique being able to capture 2D images using a bucket detector with high signal-to-noise ratio, wide spectrum range and low cost. Conventional SPI projects random illumination patterns to randomly…

Optics · Physics 2016-07-19 Liheng Bian , Jinli Suo , Xuemei Hu , Feng Chen , Qionghai Dai

Recently, a novel bio-inspired spike camera has been proposed, which continuously accumulates luminance intensity and fires spikes while the dispatch threshold is reached. Compared to the conventional frame-based cameras and the emerging…

Multimedia · Computer Science 2019-12-23 Siwei Dong , Lin Zhu , Daoyuan Xu , Yonghong Tian , Tiejun Huang

Super Resolution (SR) and Camouflaged Object Detection (COD) are two hot topics in computer vision with various joint applications. For instance, low-resolution surveillance images can be successively processed by super-resolution…

Computer Vision and Pattern Recognition · Computer Science 2023-08-09 Juan Wen , Shupeng Cheng , Peng Xu , Bowen Zhou , Radu Timofte , Weiyan Hou , Luc Van Gool

Massive human-related data is collected to train neural networks for computer vision tasks. A major conflict is exposed relating to software engineers between better developing AI systems and distancing from the sensitive training data. To…

Computer Vision and Pattern Recognition · Computer Science 2023-06-07 Fusheng Hao , Fengxiang He , Yikai Wang , Fuxiang Wu , Jing Zhang , Jun Cheng , Dacheng Tao

Occluded person re-identification (re-ID) presents a challenging task due to occlusion perturbations. Although great efforts have been made to prevent the model from being disturbed by occlusion noise, most current solutions only capture…

Computer Vision and Pattern Recognition · Computer Science 2023-12-15 Neng Dong , Shuanglin Yan , Hao Tang , Jinhui Tang , Liyan Zhang

Imaging through thick scattering media presents significant challenges, particularly for three-dimensional (3D) applications. This manuscript demonstrates a novel scheme for single-image-enabled 3D imaging through such media, treating the…

Optics · Physics 2024-10-10 Long Pan , Yunan Wang , Yijie Lou , Xiaohua Feng

In this paper a novel spatial domain LSB based watermarking scheme for color Images is proposed. The proposed scheme is of type blind and invisible watermarking. Our scheme introduces the concept of storing variable number of bits in each…

Graphics · Computer Science 2009-12-22 Nagaraj V. Dharwadkar , B. B. Amberker

A small ISO and a small exposure time are usually used to capture an image in the back or low light conditions which results in an image with negligible motion blur and small noise but look dark. In this paper, a single image brightening…

Computer Vision and Pattern Recognition · Computer Science 2020-07-27 Chaobing Zheng , Zhengguo Li , Yi Yang , Shiqian Wu

The occlusion issues of computer vision (CV) applications in construction have attracted significant attention, especially those caused by the wide-coverage, crisscrossed, and immovable scaffold. Intuitively, removing the scaffold and…

Computer Vision and Pattern Recognition · Computer Science 2023-07-26 Yuexiong Ding , Muyang Liu , Xiaowei Luo

Neural video compression (NVC) technologies have advanced rapidly in recent years, yielding state-of-the-art schemes such as DCVC-RT that offer superior compression efficiency to H.266/VVC and real-time encoding/decoding capabilities.…

Computer Vision and Pattern Recognition · Computer Science 2026-03-11 Hui Xiang , Yifan Bian , Li Li , Jingran Wu , Xianguo Zhang , Dong Liu

Joint source-channel coding (JSCC) has achieved great success due to the introduction of deep learning (DL). Compared to traditional separate source-channel coding (SSCC) schemes, the advantages of DL-based JSCC (DJSCC) include high…

Cryptography and Security · Computer Science 2023-11-21 Jialong Xu , Bo Ai , Wei Chen , Ning Wang , Miguel Rodrigues

Neural image compression (NIC) has received considerable attention due to its significant advantages in feature representation and data optimization. However, most existing NIC methods for volumetric medical images focus solely on improving…

Image and Video Processing · Electrical Eng. & Systems 2024-12-13 Jietao Chen , Weijie Chen , Qianjian Xing , Feng Yu

Vision Transformers (ViTs) are built by stacking independently parameterized blocks, but it remains unclear how much of this depth requires layer specific transformations and how much can be realized through recurrent computation. We study…

Computer Vision and Pattern Recognition · Computer Science 2026-05-12 Michal Byra , Pawel Olszowiec , Grzegorz Stefanski , Grzegorz Gruszczynski , Alberto Presta

Accurately recognizing a revisited place is crucial for embodied agents to localize and navigate. This requires visual representations to be distinct, despite strong variations in camera viewpoint and scene appearance. Existing visual place…

Computer Vision and Pattern Recognition · Computer Science 2024-09-27 Kartik Garg , Sai Shubodh Puligilla , Shishir Kolathaya , Madhava Krishna , Sourav Garg

In recent years, various out-of-band covert channels have been proposed that demonstrate the feasibility of leaking data out of computers without the need for network connectivity. The methods proposed have been based on different type of…

Cryptography and Security · Computer Science 2016-07-20 Mordechai Guri , Ofer Hasson , Gabi Kedma , Yuval Elovici

Single-pixel imaging (SPI) exhibits cost-effectiveness, broad spectrum, and stable sub-Nyquist sampling reconstruction, enabling applications across diverse imaging fields.However, due to the inherent reconstruction mechanism, SPI is not…

Optics · Physics 2025-04-18 Shao Chongwu , Cao Yue , Zhao Qing , Yao Xuri

Digital Watermarking is used for copyright protection and authentication. In the proposed system, a Dual Watermarking Scheme based on DWT SVD with chaos encryption algorithm, will be developed to improve the robustness and protection along…

Multimedia · Computer Science 2010-02-12 R. Dhanalakshmi , K. Thaiyalnayaki