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Traditional video steganography methods are based on modifying the covert space for embedding, whereas we propose an innovative approach that embeds secret message within semantic feature for steganography during the video editing process.…

Computer Vision and Pattern Recognition · Computer Science 2024-01-02 Xueying Mao , Xiaoxiao Hu , Wanli Peng , Zhenliang Gan , Qichao Ying , Zhenxing Qian , Sheng Li , Xinpeng Zhang

Point cloud compression (PCC) is a key enabler for various 3-D applications, owing to the universality of the point cloud format. Ideally, 3D point clouds endeavor to depict object/scene surfaces that are continuous. Practically, as a set…

Image and Video Processing · Electrical Eng. & Systems 2022-09-12 Jiahao Pang , Muhammad Asad Lodhi , Dong Tian

A new coverless image information hiding method based on generative model is proposed, we feed the secret image to the generative model database, and generate a meaning-normal and independent image different from the secret image, then, the…

Computer Vision and Pattern Recognition · Computer Science 2018-02-13 Xintao Duan , Haoxian Song

Retention of secrecy is one of the significant features during communication activity. Steganography is one of the popular methods to achieve secret communication between sender and receiver by hiding message in any form of cover media such…

Multimedia · Computer Science 2012-04-13 T. R. Gopalakrishnan Nair , Suma V , Manas S

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…

Artificial Intelligence · Computer Science 2024-10-25 Karl Chahine , Hyeji Kim

This paper presents a novel scheme to efficiently compress Light Detection and Ranging~(LiDAR) point clouds, enabling high-precision 3D scene archives, and such archives pave the way for a detailed understanding of the corresponding 3D…

Computer Vision and Pattern Recognition · Computer Science 2026-01-29 Akihiro Kuwabara , Sorachi Kato , Toshiaki Koike-Akino , Takuya Fujihashi

Image steganography is the art of concealing secret information in images in a way that is imperceptible to unauthorized parties. Recent advances show that is possible to use a fixed neural network (FNN) for secret embedding and extraction.…

Cryptography and Security · Computer Science 2023-09-19 Zicong Luo , Sheng Li , Guobiao Li , Zhenxing Qian , Xinpeng Zhang

Multi-image hiding, which embeds multiple secret images into a cover image and is able to recover these images with high quality, has gradually become a research hotspot in the field of image steganography. However, due to the need to embed…

Computer Vision and Pattern Recognition · Computer Science 2024-10-15 Weina Dong , Jia Liu , Lifeng Chen , Wenquan Sun , Xiaozhong Pan , Yan Ke

Generative image steganography is a technique that conceals secret messages within generated images, without relying on pre-existing cover images. Recently, a number of diffusion model-based generative image steganography (DM-GIS) methods…

Multimedia · Computer Science 2026-02-12 Jihao Zhu , Zixuan Chen , Jiali Liu , Lingxiao Yang , Yi Zhou , Weiqi Luo , Xiaohua Xie

In recent years, the challenge of 3D shape analysis within point cloud data has gathered significant attention in computer vision. Addressing the complexities of effective 3D information representation and meaningful feature extraction for…

Computer Vision and Pattern Recognition · Computer Science 2024-12-05 Md Meraz , Md Afzal Ansari , Mohammed Javed , Pavan Chakraborty

Accurate and efficient point cloud registration is a challenge because the noise and a large number of points impact the correspondence search. This challenge is still a remaining research problem since most of the existing methods rely on…

Computer Vision and Pattern Recognition · Computer Science 2021-11-24 Xiaoshui Huang , Zongyi Xu , Guofeng Mei , Sheng Li , Jian Zhang , Yifan Zuo , Yucheng Wang

Edge computing is a distributed computing paradigm that collects and processes data at or near the source of data generation. The on-device learning at edge relies on device-to-device wireless communication to facilitate real-time data…

Machine Learning · Computer Science 2024-12-18 Hanqiu Chen , Xuebin Yao , Pradeep Subedi , Cong Hao

Emerging Implicit Neural Representation (INR) is a promising data compression technique, which represents the data using the parameters of a Deep Neural Network (DNN). Existing methods manually partition a complex scene into local regions…

Computer Vision and Pattern Recognition · Computer Science 2023-12-05 Jianchen Zhao , Cheng-Ching Tseng , Ming Lu , Ruichuan An , Xiaobao Wei , He Sun , Shanghang Zhang

Linguistic steganography enables covert communication through embedding secret messages into innocuous texts; however, current methods face critical limitations in payload capacity and security. Traditional modification-based methods…

Cryptography and Security · Computer Science 2025-10-28 Jun Jiang , Weiming Zhang , Nenghai Yu , Kejiang Chen

Scene graph generation (SGG) is designed to extract (subject, predicate, object) triplets in images. Recent works have made a steady progress on SGG, and provide useful tools for high-level vision and language understanding. However, due to…

Computer Vision and Pattern Recognition · Computer Science 2022-07-21 Ao Zhang , Yuan Yao , Qianyu Chen , Wei Ji , Zhiyuan Liu , Maosong Sun , Tat-Seng Chua

Recent advances in generative AI have opened promising avenues for steganography, which can securely protect sensitive information for individuals operating in hostile environments, such as journalists, activists, and whistleblowers.…

Machine Learning · Computer Science 2025-03-11 Aqib Mahfuz , Georgia Channing , Mark van der Wilk , Philip Torr , Fabio Pizzati , Christian Schroeder de Witt

Image hiding fully explores the hidden potential of deep learning-based models, aiming to conceal image-level messages within cover images and reveal them from stego images to achieve covert communication. Existing hiding schemes are easily…

Computer Vision and Pattern Recognition · Computer Science 2025-08-06 Junxue Yang , Xin Liao , Weixuan Tang , Jianhua Yang , Zheng Qin

One of the main challenges in LiDAR-based 3D object detection is that the sensors often fail to capture the complete spatial information about the objects due to long distance and occlusion. Two-stage detectors with point cloud completion…

Computer Vision and Pattern Recognition · Computer Science 2023-07-25 Inyong Koo , Inyoung Lee , Se-Ho Kim , Hee-Seon Kim , Woo-jin Jeon , Changick Kim

The security of private communication is increasingly at risk due to widespread surveillance. Steganography, a technique for embedding secret messages within innocuous carriers, enables covert communication over monitored channels. Provably…

Cryptography and Security · Computer Science 2026-02-16 Kaiyi Pang , Minhao Bai

Steganography is the science of invisible communication. The purpose of Steganography is to maintain secret communication between two parties. The secret information can be concealed in content such as image, audio, or video. This paper…

Multimedia · Computer Science 2013-04-15 Hemalatha S , U Dinesh Acharya , Renuka A , Priya R. Kamath