中文
相关论文

相关论文: An Improved Reversible Data Hiding Algorithm Based…

200 篇论文

The science of hiding secret information in another message is known as Steganography; hence the presence of secret information is concealed. It is the method of hiding cognitive content in same or another media to avoid recognition by the…

多媒体 · 计算机科学 2014-10-14 Soumendu Chakraborty , Anand Singh Jalal , Charul Bhatnagar

Reversible adversarial examples (RAE) combine adversarial attacks and reversible data-hiding technology on a single image to prevent illegal access. Most RAE studies focus on achieving white-box attacks. In this paper, we propose a novel…

密码学与安全 · 计算机科学 2023-06-21 Haodong Zhang , Chi Man Pun , Xia Du

Robust Reversible Watermarking (RRW) enables perfect recovery of cover images and watermarks in lossless channels while ensuring robust watermark extraction in lossy channels. Existing RRW methods, mostly non-deep learning-based, face…

计算机视觉与模式识别 · 计算机科学 2025-03-05 Jiale Chen , Wei Wang , Chongyang Shi , Li Dong , Yuanman Li , Xiping Hu

Memory and network bandwidth are decisive bottlenecks when handling high-resolution multidimensional data sets in visualization applications, and they increasingly demand suitable data compression strategies. We introduce a novel lossy…

图形学 · 计算机科学 2019-03-12 Rafael Ballester-Ripoll , Peter Lindstrom , Renato Pajarola

GAN-based image compression schemes have shown remarkable progress lately due to their high perceptual quality at low bit rates. However, there are two main issues, including 1) the reconstructed image perceptual degeneration in color,…

图像与视频处理 · 电气工程与系统科学 2023-06-21 Fanxin Xia , Jian Jin , Lili Meng , Feng Ding , Huaxiang Zhang

The image reconstruction of chromophore concentrations using Diffuse Optical Tomography (DOT) data can be described mathematically as an ill-posed inverse problem. Recent work has shown that the use of hyperspectral DOT data, as opposed to…

数值分析 · 数学 2014-10-16 Arvind K. Saibaba , Misha Kilmer , Eric Miller , Sergio Fantini

Steganography is the process of embedding secret information discreetly within a carrier, ensuring secure exchange of confidential data. The Adaptive Pixel Value Differencing (APVD) steganography method, while effective, encounters certain…

密码学与安全 · 计算机科学 2025-07-21 Mehrab Hosain , Rajiv Kapoor

Hashing aims at generating highly compact similarity preserving code words which are well suited for large-scale image retrieval tasks. Most existing hashing methods first encode the images as a vector of hand-crafted features followed by a…

计算机视觉与模式识别 · 计算机科学 2016-12-19 Sailesh Conjeti , Abhijit Guha Roy , Amin Katouzian , Nassir Navab

We present a novel quantum optimization-based route compression technique that significantly reduces storage requirements compared to conventional methods. Route optimization systems face critical challenges in efficiently storing selected…

量子物理 · 物理学 2025-04-07 Shunsuke Sotobayashi , Yuichiro Minato , Takao Tomono

Existing remote sensing image compression methods still explore to balance high compression efficiency with the preservation of fine details and task-relevant information. Meanwhile, high-resolution drone imagery offers valuable structural…

计算机视觉与模式识别 · 计算机科学 2026-03-17 Yuming Han , Jooho Kim , Anish Shakya

In this paper a general framework to adopt different predictors for reversible data hiding in the encrypted image is presented. We propose innovative predictors that contribute more significantly than conventional ones results in…

图像与视频处理 · 电气工程与系统科学 2022-03-10 Ammar Mohammadi

Volumetric videoconferencing enables immersive six Degrees of Freedom interactions by jointly transmitting visual appearance and 3D geometry. However, delivering volumetric video over today's networks remains challenging due to high…

网络与互联网体系结构 · 计算机科学 2026-05-01 Ankur Aditya , Diptyaroop Maji , Lingdong Wang , Bhavya Ramakrishna , Ramesh Sitaraman , Prashant Shenoy

High-resolution digital images are usually downscaled to fit various display screens or save the cost of storage and bandwidth, meanwhile the post-upscaling is adpoted to recover the original resolutions or the details in the zoom-in…

图像与视频处理 · 电气工程与系统科学 2020-05-13 Mingqing Xiao , Shuxin Zheng , Chang Liu , Yaolong Wang , Di He , Guolin Ke , Jiang Bian , Zhouchen Lin , Tie-Yan Liu

Reversible visible watermarking (RVW) is an active copyright protection mechanism. It not only transparently superimposes copyright patterns on specific positions of digital images or video frames to declare the copyright ownership…

多媒体 · 计算机科学 2022-01-12 Wenfa Qi , Sirui Guo , Wei Hu

Even though rate-distortion optimization is a crucial part of traditional image and video compression, not many approaches exist which transfer this concept to end-to-end-trained image compression. Most frameworks contain static compression…

图像与视频处理 · 电气工程与系统科学 2022-01-06 Fabian Brand , Kristian Fischer , Alexander Kopte , André Kaup

Fully Homomorphic Encryption (FHE) enables computations on encrypted data, preserving confidentiality without the need for decryption. However, FHE is often hindered by significant performance overhead, particularly for high-precision and…

密码学与安全 · 计算机科学 2024-09-06 Chao Wang , Shubing Yang , Xiaoyan Sun , Jun Dai , Dongfang Zhao

With the increasing number of images and videos consumed by computer vision algorithms, compression methods are evolving to consider both perceptual quality and performance in downstream tasks. Traditional codecs can tackle this problem by…

图像与视频处理 · 电气工程与系统科学 2024-08-14 Samuel Fernández Menduiña , Eduardo Pavez , Antonio Ortega

The Autonomy of Unmanned Aerial Vehicles (UAVs) in indoor environments poses significant challenges due to the lack of reliable GPS signals in enclosed spaces such as warehouses, factories, and indoor facilities. Micro Aerial Vehicles…

机器人学 · 计算机科学 2025-04-09 Amit Kumar Singh , Prasanth Kumar Duba , P. Rajalakshmi

This paper addresses the challenge of multi target active debris removal (ADR) in Low Earth Orbit (LEO) by introducing a unified coelliptic maneuver framework that combines Hohmann transfers, safety ellipse proximity operations, and…

机器学习 · 计算机科学 2026-02-23 Agni Bandyopadhyay , Gunther Waxenegger-Wilfing

We study first-order optimization algorithms under the constraint that the descent direction is quantized using a pre-specified budget of $R$-bits per dimension, where $R \in (0 ,\infty)$. We propose computationally efficient optimization…

机器学习 · 计算机科学 2022-08-17 Rajarshi Saha , Mert Pilanci , Andrea J. Goldsmith