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This study explores the combination of automated machine learning (AutoML) with model-based deep unfolding (DU) for optimizing wireless beamforming and waveforms. We convert the iterative proximal gradient descent (PGD) algorithm into a…

机器学习 · 计算机科学 2026-04-23 Ahmet Kaplan

Diffusion model-based generative image steganography (DM-GIS) is an emerging paradigm that leverages the generative power of diffusion models to conceal secret messages without requiring pre-existing cover images. In this paper, we identify…

密码学与安全 · 计算机科学 2026-03-05 Jiahao Zhu , Zixuan Chen , Jiali Liu , Weiqi Luo , Yi Zhou , Xiaohua Xie

In recent years, the security related to data over the internet has become a major issue. Different techniques are used to secure the information, one such technique is steganography. In steganography, one can have a cover media as an…

密码学与安全 · 计算机科学 2022-02-02 P N Priya , R Ranjitha , Yashaswini Naik , Shrilekha , Rama Moorthy H

This paper presents an empirical study on applying convolutional neural networks (CNNs) to detecting J-UNIWARD, one of the most secure JPEG steganographic method. Experiments guiding the architectural design of the CNNs have been conducted…

多媒体 · 计算机科学 2017-04-28 Guanshuo Xu

Video anomaly detection (VAD) aims to identify abnormal events in videos. Traditional VAD methods generally suffer from the high costs of labeled data and full training, thus some recent works have explored leveraging frozen multi-modal…

计算机视觉与模式识别 · 计算机科学 2026-03-02 Zhaolin Cai , Fan Li , Huiyu Duan , Lijun He , Guangtao Zhai

In the past few years, the Generative Adversarial Network (GAN) which proposed in 2014 has achieved great success. GAN has achieved many research results in the field of computer vision and natural language processing. Image steganography…

密码学与安全 · 计算机科学 2019-07-04 Jia Liu , Yan Ke , Yu Lei , Zhuo Zhang , Jun Li , Peng Luo , Minqing Zhang , Xiaoyuan Yang

Anti-forensics techniques particularly steganography and cryptography have become increasingly pressing issues that affect the current digital forensics practice. This paper advances the automation of hidden evidence extraction in the…

密码学与安全 · 计算机科学 2024-04-11 Mohamed C. Ghanem , Maider D. Uribarri , Ramzi Djemai , Dipo Dunsin , Istteffanny I. Araujo

Robust feature matching forms the backbone for most Visual Simultaneous Localization and Mapping (vSLAM), visual odometry, 3D reconstruction, and Structure from Motion (SfM) algorithms. However, recovering feature matches from texture-poor…

计算机视觉与模式识别 · 计算机科学 2023-08-03 Shenbagaraj Kannapiran , Nalin Bendapudi , Ming-Yuan Yu , Devarth Parikh , Spring Berman , Ankit Vora , Gaurav Pandey

Recent attacks have shown that user data can be recovered from FedSGD updates, thus breaking privacy. However, these attacks are of limited practical relevance as federated learning typically uses the FedAvg algorithm. Compared to FedSGD,…

机器学习 · 计算机科学 2022-11-02 Dimitar I. Dimitrov , Mislav Balunović , Nikola Konstantinov , Martin Vechev

Ultra-high-definition (UHD) image restoration often faces computational bottlenecks and information loss due to its extremely high resolution. Existing studies based on Variational Autoencoders (VAE) improve efficiency by transferring the…

计算机视觉与模式识别 · 计算机科学 2025-06-27 Yidi Liu , Dong Li , Yuxin Ma , Jie Huang , Wenlong Zhang , Xueyang Fu , Zheng-jun Zha

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…

密码学与安全 · 计算机科学 2023-03-16 Jaume Ros , Margarita Geleta , Jordi Pons , Xavier Giro-i-Nieto

Recently, stereo vision based on lightweight RGBD cameras has been widely used in various fields. However, limited by the imaging principles, the commonly used RGB-D cameras based on TOF, structured light, or binocular vision acquire some…

计算机视觉与模式识别 · 计算机科学 2023-09-06 Dongyue Chen , Tingxuan Huang , Zhimin Song , Shizhuo Deng , Tong Jia

We present Uncertainty-aware Cascaded Stereo Network (UCS-Net) for 3D reconstruction from multiple RGB images. Multi-view stereo (MVS) aims to reconstruct fine-grained scene geometry from multi-view images. Previous learning-based MVS…

计算机视觉与模式识别 · 计算机科学 2020-04-21 Shuo Cheng , Zexiang Xu , Shilin Zhu , Zhuwen Li , Li Erran Li , Ravi Ramamoorthi , Hao Su

Learned image compression methods generally optimize a rate-distortion loss, trading off improvements in visual distortion for added bitrate. Increasingly, however, compressed imagery is used as an input to deep learning networks for…

图像与视频处理 · 电气工程与系统科学 2022-02-02 Maxime Kawawa-Beaudan , Ryan Roggenkemper , Avideh Zakhor

Visual Anomaly Detection (VAD) is a key task in industrial settings, where minimizing operational costs is essential. Deploying deep learning models within Internet of Things (IoT) environments introduces specific challenges due to limited…

计算机视觉与模式识别 · 计算机科学 2025-12-15 Arianna Stropeni , Francesco Borsatti , Manuel Barusco , Davide Dalle Pezze , Marco Fabris , Gian Antonio Susto

Training state-of-the-art (SOTA) deep learning models requires a large amount of data. The visual information present in the training data can be misused, which creates a huge privacy concern. One of the prominent solutions for this issue…

计算机视觉与模式识别 · 计算机科学 2024-07-10 Umesh Kashyap , Sudev Kumar Padhi , Sk. Subidh Ali

Recognizing arbitrary multi-character text in unconstrained natural photographs is a hard problem. In this paper, we address an equally hard sub-problem in this domain viz. recognizing arbitrary multi-digit numbers from Street View imagery.…

计算机视觉与模式识别 · 计算机科学 2014-04-15 Ian J. Goodfellow , Yaroslav Bulatov , Julian Ibarz , Sacha Arnoud , Vinay Shet

In the realm of advanced steganography, the scale of the model typically correlates directly with the resolution of the fundamental grid, necessitating the training of a distinct neural network for message extraction. This paper proposes an…

密码学与安全 · 计算机科学 2024-06-05 Zhong Yangjie , Liu Jia , Ke Yan , Liu Meiqi

Image super-resolution is a challenging task and has attracted increasing attention in research and industrial communities. In this paper, we propose a novel end-to-end Attention-based DenseNet with Residual Deconvolution named as ADRD. In…

计算机视觉与模式识别 · 计算机科学 2019-07-12 Zhuangzi Li

Stereo matching is a fundamental building block for many vision and robotics applications. An informative and concise cost volume representation is vital for stereo matching of high accuracy and efficiency. In this paper, we present a novel…

计算机视觉与模式识别 · 计算机科学 2022-06-24 Gangwei Xu , Junda Cheng , Peng Guo , Xin Yang