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The field of steganography has experienced a surge of interest due to the recent advancements in AI-powered techniques, particularly in the context of multimodal setups that enable the concealment of signals within signals of a different…

Cryptography and Security · Computer Science 2023-03-16 Jaume Ros , Margarita Geleta , Jordi Pons , Xavier Giro-i-Nieto

Video inpainting aims to fill the given spatiotemporal holes with realistic appearance but is still a challenging task even with prosperous deep learning approaches. Recent works introduce the promising Transformer architecture into deep…

Computer Vision and Pattern Recognition · Computer Science 2021-04-15 Rui Liu , Hanming Deng , Yangyi Huang , Xiaoyu Shi , Lewei Lu , Wenxiu Sun , Xiaogang Wang , Jifeng Dai , Hongsheng Li

Existing audio watermarking methods usually treat the host audio signals of a function of time or frequency individually, while considering them in the joint time-frequency (TF) domain has received less attention. This paper proposes an…

Multimedia · Computer Science 2020-02-11 Haijian Zhang

This paper introduces a blind watermarking based on a convolutional neural network (CNN). We propose an iterative learning framework to secure robustness of watermarking. One loop of learning process consists of the following three stages:…

Multimedia · Computer Science 2019-03-21 Seung-Min Mun , Seung-Hun Nam , Han-Ul Jang , Dongkyu Kim , Heung-Kyu Lee

Quaternion singular value decomposition (QSVD) is a robust technique of digital watermarking which can extract high quality watermarks from watermarked images with low distortion. In this paper, QSVD technique is further investigated and an…

Computer Vision and Pattern Recognition · Computer Science 2020-11-10 Yong Chen , Zhi-Gang Jia , Ya-Xin Peng , Yan Peng

Diffusion Transformers (DiTs) have emerged as the dominant architecture for high-quality image and video generation, yet their iterative denoising process incurs substantial computational cost during inference. Existing caching methods…

Computer Vision and Pattern Recognition · Computer Science 2026-03-06 Guandong Li

This paper concerns the study of direct numerical simulation (DNS) data of a wavepacket in laminar turbulent transition in a Blasius boundary layer. The decomposition of this wavepacket into a set of "modes" (a basis that spans an…

Fluid Dynamics · Physics 2017-10-03 Kean Lee Kang , K. S. Yeo

Many image watermarking schemes have been proposed in recent years, but they usually involve embedding a watermark to the entire image without considering only a particular object in the image, which the image owner may be interested in.…

Graphics · Computer Science 2009-11-05 A. Essaouabi , E. Ibnelhaj , F. Fegragui

Due to the rapid growth of machine learning tools and specifically deep networks in various computer vision and image processing areas, application of Convolutional Neural Networks for watermarking have recently emerged. In this paper, we…

Deep learning-based watermarking has emerged as a promising solution for robust image authentication and protection. However, existing models are limited by low embedding capacity and vulnerability to bit-level errors, making them…

Cryptography and Security · Computer Science 2025-07-08 Hyunwook Choi , Sangyun Won , Daeyeon Hwang , Junhyeok Choi

We present a scheme for implementing homomorphic encryption on coherent states encoded using phase-shift keys. The encryption operations require only rotations in phase space, which commute with computations in the codespace performed via…

Quantum Physics · Physics 2018-04-11 Si-Hui Tan , Yingkai Ouyang , Peter P. Rohde

A semi-blind watermarking scheme is presented based on Singular Value Decomposition (SVD), which makes essential use of the fact that, the SVD subspace preserves significant amount of information of an image and is a one way decomposition.…

Multimedia · Computer Science 2015-03-09 Subhayan Roy Moulick , Siddharth Arora , Chirag Jain , Prasanta K. Panigrahi

Latent Diffusion Models (LDMs) have established themselves as powerful tools in the rapidly evolving field of image generation, capable of producing highly realistic images. However, their widespread adoption raises critical concerns about…

Cryptography and Security · Computer Science 2026-01-28 Zhonghao Yang , Linye Lyu , Xuanhang Chang , Daojing He , YU LI

Computing the Sparse Fast Fourier Transform(sFFT) of a K-sparse signal of size N has emerged as a critical topic for a long time. There are mainly two stages in the sFFT: frequency bucketization and spectrum reconstruction. Frequency…

Signal Processing · Electrical Eng. & Systems 2020-11-12 Bin Li , Zhikang Jiang , Jie Chen

Patch attacks, one of the most threatening forms of physical attack in adversarial examples, can lead networks to induce misclassification by modifying pixels arbitrarily in a continuous region. Certifiable patch defense can guarantee…

Computer Vision and Pattern Recognition · Computer Science 2022-03-17 Zhaoyu Chen , Bo Li , Jianghe Xu , Shuang Wu , Shouhong Ding , Wenqiang Zhang

This paper investigates the use of Structural Similaritys (SSIM) index on the minimized side effect to image watermarking. For fast implementation and more compatibility with the standard DCT based codecs, watermark insertion is carried out…

Multimedia · Computer Science 2015-01-09 Hossein Bakhshi Golestani , Mohammed Ghanbari

Speech watermarking techniques can proactively mitigate the potential harmful consequences of instant voice cloning techniques. These techniques involve the insertion of signals into speech that are imperceptible to humans but can be…

Audio and Speech Processing · Electrical Eng. & Systems 2024-12-19 Shengpeng Ji , Ziyue Jiang , Jialong Zuo , Minghui Fang , Yifu Chen , Tao Jin , Zhou Zhao

Discrete Wavelet Transform (DWT) has been widely explored to enhance the performance of image superresolution (SR). Despite some DWT-based methods improving SR by capturing fine-grained frequency signals, most existing approaches neglect…

Computer Vision and Pattern Recognition · Computer Science 2025-11-05 Peng Du , Hui Li , Han Xu , Paul Barom Jeon , Dongwook Lee , Daehyun Ji , Ran Yang , Feng Zhu

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…

Cryptography and Security · Computer Science 2026-05-01 Yunfei Yang , Xiaojun Chen , Zhendong Zhao , Yu Zhou , Xiaoyan Gu , Juan Cao

Watermarking diffusion-generated images is crucial for copyright protection and user tracking. However, current diffusion watermarking methods face significant limitations: zero-bit watermarking systems lack the capacity for large-scale…

Cryptography and Security · Computer Science 2025-09-01 Jiazheng Xing , Hai Ci , Hongbin Xu , Hangjie Yuan , Yong Liu , Mike Zheng Shou
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