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Bit Plane Complexity Segmentation (BPCS) digital picture steganography is a technique to hide data inside an image file. BPCS achieves high embedding rates with low distortion based on the theory that noise-like regions in an image's…

密码学与安全 · 计算机科学 2009-12-22 Hamid. A. Jalab , A. A Zaidan , B. B Zaidan

Next Best View computation (NBV) is a long-standing problem in robotics, and consists in identifying the next most informative sensor position(s) for reconstructing a 3D object or scene efficiently and accurately. Like most current methods,…

计算机视觉与模式识别 · 计算机科学 2022-11-02 Antoine Guédon , Pascal Monasse , Vincent Lepetit

In steganography, selecting an optimal cover image, referred to as cover selection, is pivotal for effective message concealment. Traditional methods have typically employed exhaustive searches to identify images that conform to specific…

人工智能 · 计算机科学 2024-10-25 Karl Chahine , Hyeji Kim

In the popular video coding trend, the encoder has the task to exploit both spatial and temporal redundancies present in the video sequence, which is a complex procedure. As a result almost all video encoders have five to ten times more…

图像与视频处理 · 电气工程与系统科学 2018-03-14 A. Banitalebi , H. R. Tohidypour

Recently, learned video compression has achieved exciting performance. Following the traditional hybrid prediction coding framework, most learned methods generally adopt the motion estimation motion compensation (MEMC) method to remove…

图像与视频处理 · 电气工程与系统科学 2023-10-20 Yiming Wang , Qian Huang , Bin Tang , Huashan Sun , Xing Li

Despite the continued successes of computationally efficient deep neural network architectures for video object detection, performance continually arrives at the great trilemma of speed versus accuracy versus computational resources (pick…

计算机视觉与模式识别 · 计算机科学 2021-06-16 Julian True , Naimul Khan

Classical video coding for satisfying humans as the final user is a widely investigated field of studies for visual content, and common video codecs are all optimized for the human visual system (HVS). But are the assumptions and…

图像与视频处理 · 电气工程与系统科学 2022-03-14 Kristian Fischer , Christian Herglotz , André Kaup

In this paper, we propose $\text{HF}^2$-VAD, a Hybrid framework that integrates Flow reconstruction and Frame prediction seamlessly to handle Video Anomaly Detection. Firstly, we design the network of ML-MemAE-SC (Multi-Level Memory modules…

计算机视觉与模式识别 · 计算机科学 2021-08-17 Zhian Liu , Yongwei Nie , Chengjiang Long , Qing Zhang , Guiqing Li

Conventional video object segmentation (VOS) methods usually necessitate a substantial volume of pixel-level annotated video data for fully supervised learning. In this paper, we present HVC, a \textbf{h}ybrid static-dynamic \textbf{v}isual…

计算机视觉与模式识别 · 计算机科学 2024-04-23 Gensheng Pei , Yazhou Yao , Jianbo Jiao , Wenguan Wang , Liqiang Nie , Jinhui Tang

This paper proposes a method for complexity reduction in practical video encoders using multiple decision tree classifiers. The method is demonstrated for the fast implementation of the 'High Efficiency Video Coding' (HEVC) standard, chosen…

图像与视频处理 · 电气工程与系统科学 2019-08-13 Natasha Westland , André Seixas Dias , Marta Mrak

This paper presents a novel fast machine learning method that leverages two techniques: Vector Embedding on Orthonormal Basis (VEOB) and Spectral Transform (ST). The VEOB converts the original data encoding into a vector embedding with…

机器学习 · 计算机科学 2023-11-14 Louis Yu Lu

Steganography is the science of unnoticeably concealing a secret message within a certain image, called a cover image. The cover image with the secret message is called a stego image. Steganography is commonly used for illegal purposes such…

多媒体 · 计算机科学 2019-03-05 Dahuin Jung , Ho Bae , Hyun-Soo Choi , Sungroh Yoon

Almost all digital videos are coded into compact representations before being transmitted. Such compact representations need to be decoded back to pixels before being displayed to humans and - as usual - before being enhanced/analyzed by…

图像与视频处理 · 电气工程与系统科学 2023-11-03 Xihua Sheng , Li Li , Dong Liu , Houqiang Li

Estimating motion from images is a well-studied problem in computer vision and robotics. Previous work has developed techniques to estimate the motion of a moving camera in a largely static environment (e.g., visual odometry) and to segment…

机器人学 · 计算机科学 2019-03-01 Kevin M. Judd , Jonathan D. Gammell , Paul Newman

Viewpoint change invariance and action temporal consistency are critical aspects for the effective deployment of human action detection of untrimmed videos. Existing appearance-based video detection methods often struggle with limited…

计算机视觉与模式识别 · 计算机科学 2026-05-22 Yannick Porto , Renato Martins , Thomas Chalumeau , Cedric Demonceaux

Recently, learned video compression (LVC) has shown superior performance under low-delay configuration. However, the performance of learned bi-directional video compression (LBVC) still lags behind traditional bi-directional coding. The…

计算机视觉与模式识别 · 计算机科学 2025-04-04 Yongqi Zhai , Luyang Tang , Wei Jiang , Jiayu Yang , Ronggang Wang

We present an end-to-end trainable framework for P-frame compression in this paper. A joint motion vector (MV) and residual prediction network MV-Residual is designed to extract the ensembled features of motion representations and residual…

图像与视频处理 · 电气工程与系统科学 2020-05-28 XiangJi Wu , Ziwen Zhang , Jie Feng , Lei Zhou , Junmin Wu

Recent work (Baluja, 2017) showed that using a pair of deep encoders and decoders, embedding a full-size secret image into a container image of the same size is achieved. This method distributes the information of the secret image across…

密码学与安全 · 计算机科学 2019-01-29 Parisa Babaheidarian , Mark Wallace

Recent years have witnessed the significant development of learning-based video compression methods, which aim at optimizing objective or perceptual quality and bit rates. In this paper, we introduce deep video compression with perceptual…

图像与视频处理 · 电气工程与系统科学 2021-10-11 Saiping Zhang , Marta Mrak , Luis Herranz , Marc Górriz , Shuai Wan , Fuzheng Yang

High-Efficiency Video Coding (HEVC) surpasses its predecessors in encoding efficiency by introducing new coding tools at the cost of an increased encoding time-complexity. The Coding Tree Unit (CTU) is the main building block used in HEVC.…

多媒体 · 计算机科学 2021-09-07 Ekrem Cetinkaya , Hadi Amirpour , Mohammad Ghanbari , Christian Timmerer