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Privacy-preserving deep neural networks (DNNs) have been proposed for protecting data privacy in the cloud server. Although several encryption schemes for visually protection have been proposed for privacy-preserving DNNs, several attacks…

密码学与安全 · 计算机科学 2022-11-11 Tatsuya Chuman , Hitoshi Kiya

Diffusion models have recently revolutionized the field of image synthesis due to their ability to generate photorealistic images. However, one of the major drawbacks of diffusion models is that the image generation process is costly. A…

With the increasing prevalence of cloud computing platforms, ensuring data privacy during the cloud-based image related services such as classification has become crucial. In this study, we propose a novel privacypreserving image…

计算机视觉与模式识别 · 计算机科学 2023-10-20 Jun Liu , Jiantao Zhou , Jinyu Tian , Weiwei Sun

In this paper, we propose a deep convolutional neural network for learning the embeddings of images in order to capture the notion of visual similarity. We present a deep siamese architecture that when trained on positive and negative pairs…

计算机视觉与模式识别 · 计算机科学 2019-01-14 Rishab Sharma , Anirudha Vishvakarma

Image segmentation is a popular area of research in computer vision that has many applications in automated image processing. A recent technique called piecewise flat embeddings (PFE) has been proposed for use in image segmentation; PFE…

计算机视觉与模式识别 · 计算机科学 2016-12-21 Renee T. Meinhold , Tyler L. Hayes , Nathan D. Cahill

This paper aims to develop a new and robust approach to feature representation. Motivated by the success of Auto-Encoders, we first theoretical summarize the general properties of all algorithms that are based on traditional Auto-Encoders:…

机器学习 · 计算机科学 2018-10-24 Zeng Yu , Tianrui Li , Ning Yu , Yi Pan , Hongmei Chen , Bing Liu

How can multiple distributed entities collaboratively train a shared deep net on their private data while preserving privacy? This paper introduces InstaHide, a simple encryption of training images, which can be plugged into existing…

密码学与安全 · 计算机科学 2021-02-25 Yangsibo Huang , Zhao Song , Kai Li , Sanjeev Arora

The integral image, an intermediate image representation, has found extensive use in multi-scale local feature detection algorithms, such as Speeded-Up Robust Features (SURF), allowing fast computation of rectangular features at constant…

计算机视觉与模式识别 · 计算机科学 2015-10-20 Shoaib Ehsan , Adrian F. Clark , Naveed ur Rehman , Klaus D. McDonald-Maier

Integrating idle embedded devices into cloud computing is a promising approach to support distributed machine learning. In this paper, we approach to address the data hiding problem in such distributed machine learning systems. For the…

机器学习 · 计算机科学 2020-10-21 Kaiyan Chang , Wei Jiang , Jinyu Zhan , Zicheng Gong , Weijia Pan

Self-supervised learning in computer vision trains on unlabeled data, such as images or (image, text) pairs, to obtain an image encoder that learns high-quality embeddings for input data. Emerging backdoor attacks towards encoders expose…

计算机视觉与模式识别 · 计算机科学 2023-03-28 Shiwei Feng , Guanhong Tao , Siyuan Cheng , Guangyu Shen , Xiangzhe Xu , Yingqi Liu , Kaiyuan Zhang , Shiqing Ma , Xiangyu Zhang

With the fast development of natural language processing, recent advances in information hiding focus on covertly embedding secret information into texts. These algorithms either modify a given cover text or directly generate a text…

密码学与安全 · 计算机科学 2022-08-04 Xiaoyan Zheng , Yurun Fang , Hanzhou Wu

Deep hiding, embedding images into another using deep neural networks, has shown its great power in increasing the message capacity and robustness. In this paper, we conduct an in-depth study of state-of-the-art deep hiding schemes and…

密码学与安全 · 计算机科学 2021-06-08 Tao Xiang , Hangcheng Liu , Shangwei Guo , Tianwei Zhang

This study proposes an encrypted visual feedback control algorithm for regulating a one-dimensional stage using Ring Learning With Errors (RLWE) encryption. The proposed algorithm performs both feature extraction and controller computations…

系统与控制 · 电气工程与系统科学 2026-04-24 Taichi Ikezaki , Kaoru Teranishi

The hurried development of multimedia and internet allows for wide distribution of digital media data. It becomes much easier to edit, modify and duplicate digital information. In additional, digital document is also easy to copy and…

密码学与安全 · 计算机科学 2009-08-04 A. W. Naji , Shihab A. Hameed , B. B. Zaidan , Wajdi F. Al-Khateeb , Othman O. Khalifa , A. A. Zaidan , Teddy S. Gunawan

In this paper, the authors propose a new algorithm to hide data inside image using steganography technique. The proposed algorithm uses binary codes and pixels inside an image. The zipped file is used before it is converted to binary codes…

多媒体 · 计算机科学 2011-12-14 Rosziati Ibrahim , Teoh Suk Kuan

This article presents a refined notion of incompatible JPEG images for a quality factor of 100. It can be used to detect the presence of steganographic schemes embedding in DCT coefficients. We show that, within the JPEG pipeline, the…

密码学与安全 · 计算机科学 2024-10-14 Etienne Levecque , Jan Butora , Patrick Bas

We propose adversarial embedding, a new steganography and watermarking technique that embeds secret information within images. The key idea of our method is to use deep neural networks for image classification and adversarial attacks to…

密码学与安全 · 计算机科学 2019-12-04 Salah Ghamizi , Maxime Cordy , Mike Papadakis , Yves Le Traon

Hiding data using neural networks (i.e., neural steganography) has achieved remarkable success across both discriminative classifiers and generative adversarial networks. However, the potential of data hiding in diffusion models remains…

计算机视觉与模式识别 · 计算机科学 2025-03-25 Haoyu Chen , Yunqiao Yang , Nan Zhong , Kede Ma

We introduce a simple and efficient lossless image compression algorithm. We store a low resolution version of an image as raw pixels, followed by several iterations of lossless super-resolution. For lossless super-resolution, we predict…

图像与视频处理 · 电气工程与系统科学 2020-04-07 Sheng Cao , Chao-Yuan Wu , Philipp Krähenbühl

Image compression at extremely low bitrates (below 0.1 bits per pixel (bpp)) is a significant challenge due to substantial information loss. In this work, we propose a novel two-stage extreme image compression framework that exploits the…

图像与视频处理 · 电气工程与系统科学 2024-09-05 Zhiyuan Li , Yanhui Zhou , Hao Wei , Chenyang Ge , Jingwen Jiang