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Deep image steganography is a data hiding technology that conceal data in digital images via deep neural networks. However, existing deep image steganography methods only consider the visual similarity of container images to host images,…

Cryptography and Security · Computer Science 2022-01-20 Yanzhen Ren , Ting Liu , Liming Zhai , Lina Wang

Linguistic steganography studies how to hide secret messages in natural language cover texts. Traditional methods aim to transform a secret message into an innocent text via lexical substitution or syntactical modification. Recently,…

Computation and Language · Computer Science 2020-10-05 Jiaming Shen , Heng Ji , Jiawei Han

Steganography is the practice of concealing a message within some other carrier or cover message. It is used to allow the sending of hidden information through communication channels where third parties would only be aware of the explicit…

Cryptography and Security · Computer Science 2022-03-24 João Figueira

The growing potential of modern communications needs the use of secure means to protect information from unauthorized access and use during transmission. In general, encryption a message using cryptography techniques and then hidden a…

Cryptography and Security · Computer Science 2021-01-05 Sana Haimour , Mohammad Rasmi AL-Mousa , Rashiq R. Marie

Making generative models 3D-aware bridges the 2D image space and the 3D physical world yet remains challenging. Recent attempts equip a Generative Adversarial Network (GAN) with a Neural Radiance Field (NeRF), which maps 3D coordinates to…

Computer Vision and Pattern Recognition · Computer Science 2022-04-19 Yinghao Xu , Sida Peng , Ceyuan Yang , Yujun Shen , Bolei Zhou

This study presents a novel approach for generating holograms based on the neural radiance fields (NeRF) technique. Generating three-dimensional (3D) data is difficult in hologram computation. NeRF is a state-of-the-art technique for 3D…

Computer Vision and Pattern Recognition · Computer Science 2024-05-13 Minsung Kang , Fan Wang , Kai Kumano , Tomoyoshi Ito , Tomoyoshi Shimobaba

As a powerful representation of 3D scenes, the neural radiance field (NeRF) enables high-quality novel view synthesis from multi-view images. Stylizing NeRF, however, remains challenging, especially on simulating a text-guided style with…

Computer Vision and Pattern Recognition · Computer Science 2022-12-16 Can Wang , Ruixiang Jiang , Menglei Chai , Mingming He , Dongdong Chen , Jing Liao

Neural Radiance Fields (NeRFs) are a powerful representation for modeling a 3D scene as a continuous function. Though NeRF is able to render complex 3D scenes with view-dependent effects, few efforts have been devoted to exploring its…

Computer Vision and Pattern Recognition · Computer Science 2022-11-18 Yifan Jiang , Peter Hedman , Ben Mildenhall , Dejia Xu , Jonathan T. Barron , Zhangyang Wang , Tianfan Xue

Neural radiance fields (NeRF) have revolutionized the field of image-based view synthesis. However, NeRF uses straight rays and fails to deal with complicated light path changes caused by refraction and reflection. This prevents NeRF from…

Computer Vision and Pattern Recognition · Computer Science 2023-09-25 Xiaoxue Chen , Junchen Liu , Hao Zhao , Guyue Zhou , Ya-Qin Zhang

Steganography is an emerging area which is used for secured data transmission over any public media.Steganography is a process that involves hiding a message in an appropriate carrier like image or audio. It is of Greek origin and means…

Cryptography and Security · Computer Science 2010-05-27 Mamta Juneja , Parvinder singh Sandhu

This paper investigates the transmission of three-dimensional (3D) human face content for immersive communication over a rate-constrained transmitter-receiver link. We propose a new framework named NeRF-SeCom, which leverages neural…

Image and Video Processing · Electrical Eng. & Systems 2024-07-22 Guanlin Wu , Zhonghao Lyu , Juyong Zhang , Jie Xu

Generative Neural Radiance Fields (NeRFs) have demonstrated remarkable proficiency in synthesizing multi-view images by learning the distribution of a set of unposed images. Despite the aptitude of existing generative NeRFs in generating…

Computer Vision and Pattern Recognition · Computer Science 2023-06-06 Kanghyeok Ko , Minhyeok Lee

Neural radiance field (NeRF), in particular its extension by instant neural graphics primitives, is a novel rendering method for view synthesis that uses real-world images to build photo-realistic immersive virtual scenes. Despite its…

Computer Vision and Pattern Recognition · Computer Science 2022-11-28 Ke Li , Tim Rolff , Susanne Schmidt , Reinhard Bacher , Simone Frintrop , Wim Leemans , Frank Steinicke

We address the estimation of the 6D pose of an unknown target spacecraft relative to a monocular camera, a key step towards the autonomous rendezvous and proximity operations required by future Active Debris Removal missions. We present a…

Computer Vision and Pattern Recognition · Computer Science 2024-06-12 Antoine Legrand , Renaud Detry , Christophe De Vleeschouwer

Neural Radiance Fields (NeRF) show impressive performance in photo-realistic free-view rendering of scenes. Recent improvements on the NeRF such as TensoRF and ZipNeRF employ explicit models for faster optimization and rendering, as…

Computer Vision and Pattern Recognition · Computer Science 2026-03-17 Nagabhushan Somraj , Sai Harsha Mupparaju , Adithyan Karanayil , Rajiv Soundararajan

Generative image steganography aims to conceal secret information in generated images without arousing suspicion. However, in practical scenarios involving high-capacity embedding or lossy transmission, existing methods still suffer from…

Cryptography and Security · Computer Science 2025-11-25 Yuqi Qian , Yun Cao , Meiyang Lv , Haocheng Fu

Implicit neural representations, represented by Neural Radiance Fields (NeRF), have dominated research in 3D computer vision by virtue of high-quality visual results and data-driven benefits. However, their realistic applications are…

Computer Vision and Pattern Recognition · Computer Science 2024-05-28 Yaokun Li , Chao Gou , Guang Tan

As previous representations for reinforcement learning cannot effectively incorporate a human-intuitive understanding of the 3D environment, they usually suffer from sub-optimal performances. In this paper, we present Semantic-aware Neural…

Machine Learning · Computer Science 2023-06-01 Dongseok Shim , Seungjae Lee , H. Jin Kim

Neural scene representations, such as Neural Radiance Fields (NeRF), are based on training a multilayer perceptron (MLP) using a set of color images with known poses. An increasing number of devices now produce RGB-D(color + depth)…

Computer Vision and Pattern Recognition · Computer Science 2022-11-08 Arnab Dey , Yassine Ahmine , Andrew I. Comport

A variety of Neural Radiance Fields (NeRF) methods have recently achieved remarkable success in high render speed. However, current accelerating methods are specialized and incompatible with various implicit methods, preventing real-time…

Computer Vision and Pattern Recognition · Computer Science 2024-01-05 Xinyu Gao , Ziyi Yang , Yunlu Zhao , Yuxiang Sun , Xiaogang Jin , Changqing Zou