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An image super-resolution method from multiple observation of low-resolution images is proposed. The method is based on sub-pixel accuracy block matching for estimating relative displacements of observed images, and sparse signal…

计算机视觉与模式识别 · 计算机科学 2014-02-18 Toshiyuki Kato , Hideitsu Hino , Noboru Murata

This work introduces an unbiased minimum variance painting of the pixel domain CMB maps for both the missing and available sky regions. In the missing region, it generates CMB realizations that have identical statistical properties to the…

宇宙学与河外天体物理 · 物理学 2021-07-14 Hao Liu

Autonomous driving algorithms usually employ sRGB images as model input due to their compatibility with the human visual system. However, visually pleasing sRGB images are possibly sub-optimal for downstream tasks when compared to RAW…

图像与视频处理 · 电气工程与系统科学 2024-09-05 Anqi Liu , Shiyi Mu , Shugong Xu

We present REMARK-LLM, a novel efficient, and robust watermarking framework designed for texts generated by large language models (LLMs). Synthesizing human-like content using LLMs necessitates vast computational resources and extensive…

密码学与安全 · 计算机科学 2024-04-09 Ruisi Zhang , Shehzeen Samarah Hussain , Paarth Neekhara , Farinaz Koushanfar

Existing block Kaczmarz methods face challenges in balancing computational efficiency and convergence for large sparse linear systems with scattered nonzero patterns, due to costly partitioning strategies and non-orthogonal projections. In…

数值分析 · 数学 2025-06-24 Yu-Fang Liang , Hou-Biao Li

For a long time the ability to solve abstract reasoning tasks was considered one of the hallmarks of human intelligence. Recent advances in application of deep learning (DL) methods led, as in many other domains, to surpassing human…

人工智能 · 计算机科学 2025-01-22 Mikołaj Małkiński , Jacek Mańdziuk

The rapid growth of Artificial Intelligence-Generated Content (AIGC) raises concerns about the authenticity of digital media. In this context, image self-recovery, reconstructing original content from its manipulated version, offers a…

计算机视觉与模式识别 · 计算机科学 2025-12-01 Minyoung Kim , Paul Hongsuck Seo

Nowadays, three-dimensional meshes have been extensively used in several applications such as, industrial, medical, computer-aided design (CAD) and entertainment due to the processing capability improvement of computers and the development…

多媒体 · 计算机科学 2019-11-12 Mohamed Hamidi , Mohamed El Haziti , Hocine Cherifi , Driss Aboutajdine

To protect the copyright of the 3D scene represented by the neural radiation field, the embedding and extraction of the neural radiation field watermark are considered as a pair of inverse problems of image transformations. A scheme for…

密码学与安全 · 计算机科学 2023-12-06 Wenquan Sun , Jia Liu , Weina Dong , Lifeng Chen , Ke Niu

With the development of cloud storage and privacy protection, reversible data hiding in encrypted images (RDHEI) has attracted increasing attention as a technology that can embed additional data in the encryption domain. In general, an…

多媒体 · 计算机科学 2021-10-19 Youzhi Xiang , Zhaoxia Yin , Xinpeng Zhang

Reversible data hiding (RDH) has been extensively studied in the field of information security. In our previous work [1], an explicit implementation approaching the rate-distortion bound of RDH has been proposed. However, there are two…

信息论 · 计算机科学 2023-07-18 Na Wang , Chuan Qin , Sian-Jheng Lin

With the widespread use of machine learning, concerns over its security and reliability have become prevalent. As such, many have developed defenses to harden neural networks against adversarial examples, imperceptibly perturbed inputs that…

机器学习 · 计算机科学 2022-05-09 Pratik Vaishnavi , Kevin Eykholt , Amir Rahmati

The development of quantum image representation and quantum measurement techniques has made quantum image processing research a hot topic. In this paper, a novel Adaptive Quantum Scaling Model (AQSM) is first proposed for scrambling…

量子物理 · 物理学 2025-04-01 Zheng Xing , Chan-Tong Lam , Xiaochen Yuan , Sio-Kei Im , Penousal Machado

This work proposes a high-capacity scheme for separable reversible data hiding in encrypted images. At the sender side, the original uncompressed image is encrypted using an encryption key. One or several data hiders use the MSB of some…

密码学与安全 · 计算机科学 2016-12-14 M. Hassan Najafi , David J. Lilja

Simultaneous Localization and Mapping (SLAM) has been crucial across various domains, including autonomous driving, mobile robotics, and mixed reality. Dense visual SLAM, leveraging RGB-D camera systems, offers advantages but faces…

计算机视觉与模式识别 · 计算机科学 2025-06-13 Hongbeen Park , Minjeong Park , Giljoo Nam , Jinkyu Kim

The rapid advancement of deep learning has turned models into highly valuable assets due to their reliance on massive data and costly training processes. However, these models are increasingly vulnerable to leakage and theft, highlighting…

密码学与安全 · 计算机科学 2026-05-01 Yunfei Yang , Xiaojun Chen , Zhendong Zhao , Yu Zhou , Xiaoyan Gu , Juan Cao

Although image super-resolution (SR) problem has experienced unprecedented restoration accuracy with deep neural networks, it has yet limited versatile applications due to the substantial computational costs. Since different input images…

计算机视觉与模式识别 · 计算机科学 2024-04-05 Cheeun Hong , Kyoung Mu Lee

Language models now routinely produce text that is difficult to distinguish from human writing, raising the need for robust tools to verify content provenance. Watermarking has emerged as a promising countermeasure, with existing work…

密码学与安全 · 计算机科学 2026-02-18 Huijia Lin , Kameron Shahabi , Min Jae Song

Watermarking helps in ensuring originality, ownership and copyrights of a digital image. This paper aims at embedding a Watermark in an image using Wave Atom Transform. Preference of Wave Atoms on other transformations has been due to its…

多媒体 · 计算机科学 2015-08-10 Ijaz Bukhari , Nuhman-ul-Haq , Khizar Hyat

Watermarking methods have always been effective means of protecting intellectual property, yet they face significant challenges. Although existing deep learning-based watermarking systems can hide watermarks in images with minimal impact on…

计算机视觉与模式识别 · 计算机科学 2026-01-27 Xuan Ding , Xiu Yan , Chuanlong Xie , Yao Zhu