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Hand-drawn objects usually consist of multiple semantically meaningful parts. For example, a stick figure consists of a head, a torso, and pairs of legs and arms. Efficient and accurate identification of these subparts promises to…

Graphics · Computer Science 2023-07-06 Kurmanbek Kaiyrbekov , Metin Sezgin

Automatic defect recognition is one of the research hotspots in steel production, but most of the current methods mainly extract features manually and use machine learning classifiers to recognize defects, which cannot tackle the situation,…

Computer Vision and Pattern Recognition · Computer Science 2019-09-18 Jingwen Fu , Xiaoyan Zhu , Yingbin Li

Despite many advances in deep-learning based semantic segmentation, performance drop due to distribution mismatch is often encountered in the real world. Recently, a few domain adaptation and active learning approaches have been proposed to…

Computer Vision and Pattern Recognition · Computer Science 2018-07-31 Yu-Ting Chen , Wen-Yen Chang , Hai-Lun Lu , Tingfan Wu , Min Sun

Large language models are beginning to show steganographic capabilities. Such capabilities could allow misaligned models to evade oversight mechanisms. Yet principled methods to detect and quantify such behaviours are lacking. Classical…

Image steganography is the technique of embedding secret information within images. The development of deep learning has led to significant advances in this field. However, existing methods often struggle to balance image quality, embedding…

Computer Vision and Pattern Recognition · Computer Science 2024-11-12 Abhinav Kumar , Pratham Singla , Aayan Yadav

Appearance features have been widely used in video anomaly detection even though they contain complex entangled factors. We propose a new method to model the normal patterns of human movements in surveillance video for anomaly detection…

Computer Vision and Pattern Recognition · Computer Science 2019-04-19 Romero Morais , Vuong Le , Truyen Tran , Budhaditya Saha , Moussa Mansour , Svetha Venkatesh

Image steganography is the art of hiding secret message in grayscale or color images. Easy detection of secret message for any state-of-art image steganography can break the stego system. To prevent the breakdown of the stego system data is…

Multimedia · Computer Science 2022-01-05 Soumendu Chakraborty , Anand Singh Jalal , Charul Bhatnagar

Previous approaches to detecting human anomalies in videos have typically relied on implicit modeling by directly applying the model to video or skeleton data, potentially resulting in inaccurate modeling of motion information. In this…

Computer Vision and Pattern Recognition · Computer Science 2023-09-28 Jian Xiao , Tianyuan Liu , Genlin Ji

Motion, measured via optical flow, provides a powerful cue to discover and learn objects in images and videos. However, compared to using appearance, it has some blind spots, such as the fact that objects become invisible if they do not…

Computer Vision and Pattern Recognition · Computer Science 2022-10-17 Subhabrata Choudhury , Laurynas Karazija , Iro Laina , Andrea Vedaldi , Christian Rupprecht

This paper addresses fast semantic segmentation on video.Video segmentation often calls for real-time, or even fasterthan real-time, processing. One common recipe for conserving computation arising from feature extraction is to propagate…

Computer Vision and Pattern Recognition · Computer Science 2021-06-09 Shih-Po Lee , Si-Cun Chen , Wen-Hsiao Peng

Steganography is a process that hides secrete message or secrete hologram or secrete video or secrete image whose mere presence within the source data should be undetectable and use for transmitting secret information over public media.…

Cryptography and Security · Computer Science 2021-03-18 Uttam Kr. Mondal , Shamayita Pal , AmitRanjan Dutta , J. K. Mandal

Although techniques for separate image and audio steganography are widely known, relatively little has been described concerning the hiding of information within video streams ("video steganography"). In this paper we review the current…

Multimedia · Computer Science 2014-09-18 James Ridgway , Mike Stannett

This article presents the method of steganography detection, which is formed by replacing the least significant bit (LSB). Detection is performed by dividing the image into layers and making an analysis of zero-layer of adjacent bits for…

Multimedia · Computer Science 2019-03-01 S. V. Belim , D. E. Vilkhovskiy

Traditional video action detectors typically adopt the two-stage pipeline, where a person detector is first employed to generate actor boxes and then 3D RoIAlign is used to extract actor-specific features for classification. This detection…

Computer Vision and Pattern Recognition · Computer Science 2023-03-29 Tao Wu , Mengqi Cao , Ziteng Gao , Gangshan Wu , Limin Wang

We investigate video classification via a two-stream convolutional neural network (CNN) design that directly ingests information extracted from compressed video bitstreams. Our approach begins with the observation that all modern video…

Computer Vision and Pattern Recognition · Computer Science 2017-12-21 Aaron Chadha , Alhabib Abbas , Yiannis Andreopoulos

Artifact removal and filtering methods are inevitable parts of video coding. On one hand, new codecs and compression standards come with advanced in-loop filters and on the other hand, displays are equipped with high capacity processing…

Image and Video Processing · Electrical Eng. & Systems 2021-05-10 Fatemeh Nasiri , Wassim Hamidouche , Luce Morin , Nicolas Dhollande , Gildas Cocherel

mage steganography is the process of hiding information which can be text, image, or video inside a cover image. The advantage of steganography over cryptography is that the intended secret message does not attract attention and is thus…

Cryptography and Security · Computer Science 2022-01-19 Chen-Hsiu Huang , Ja-Ling Wu

Multi-View Pedestrian Detection (MVPD) aims to detect pedestrians in the form of a bird's eye view (BEV) from multi-view images. In MVPD, end-to-end trainable deep learning methods have progressed greatly. However, they often struggle to…

Computer Vision and Pattern Recognition · Computer Science 2025-08-29 Taiga Yamane , Satoshi Suzuki , Ryo Masumura , Shota Orihashi , Tomohiro Tanaka , Mana Ihori , Naoki Makishima , Naotaka Kawata

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…

Computer Vision and Pattern Recognition · Computer Science 2021-06-16 Julian True , Naimul Khan

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…

Cryptography and Security · Computer Science 2019-01-29 Parisa Babaheidarian , Mark Wallace