中文
相关论文

相关论文: INR-Based Generative Steganography by Point Cloud …

200 篇论文

Recent advancements in photo-realistic novel view synthesis have been significantly driven by Gaussian Splatting (3DGS). Nevertheless, the explicit nature of 3DGS data entails considerable storage requirements, highlighting a pressing need…

计算机视觉与模式识别 · 计算机科学 2024-11-12 Minye Wu , Tinne Tuytelaars

Generating 3D point clouds is challenging yet highly desired. This work presents a novel autoregressive model, PointGrow, which can generate diverse and realistic point cloud samples from scratch or conditioned on semantic contexts. This…

计算机视觉与模式识别 · 计算机科学 2019-11-07 Yongbin Sun , Yue Wang , Ziwei Liu , Joshua E. Siegel , Sanjay E. Sarma

We address the challenge of point cloud registration using color information, where traditional methods relying solely on geometric features often struggle in low-overlap and incomplete scenarios. To overcome these limitations, we propose…

计算机视觉与模式识别 · 计算机科学 2026-04-21 Jiayi Tian , Haiduo Huang , Tian Xia , Wenzhe Zhao , Pengju Ren

As details are missing in most representations of structures, the lack of controllability to more information is one of the major weaknesses in structure-based controllable point cloud generation. It is observable that definitions of…

计算机视觉与模式识别 · 计算机科学 2024-05-07 Ximing Yang , Zhibo Zhang , Zhengfu He , Cheng Jin

Point cloud analysis is a fundamental task in 3D computer vision. Most previous works have conducted experiments on synthetic datasets with well-aligned data; while real-world point clouds are often not pre-aligned. How to achieve rotation…

计算机视觉与模式识别 · 计算机科学 2021-06-02 Chen Zhao , Jiaqi Yang , Xin Xiong , Angfan Zhu , Zhiguo Cao , Xin Li

In this paper, we unify popular non-rigid registration methods for point sets and surfaces under our general framework, GiNGR. GiNGR builds upon Gaussian Process Morphable Models (GPMM) and hence separates modeling the deformation prior…

计算机视觉与模式识别 · 计算机科学 2022-03-21 Dennis Madsen , Jonathan Aellen , Andreas Morel-Forster , Thomas Vetter , Marcel Lüthi

Scene Graph Generation (SGG) has achieved significant progress recently. However, most previous works rely heavily on fixed-size entity representations based on bounding box proposals, anchors, or learnable queries. As each representation's…

计算机视觉与模式识别 · 计算机科学 2023-09-08 Hengyue Liu , Bir Bhanu

Image steganalysis, which aims at detecting secret information concealed within images, has become a critical countermeasure for assessing the security of steganography methods, especially the emerging invertible image hiding approaches.…

计算机视觉与模式识别 · 计算机科学 2026-05-05 Hao Wang , Yiming Yao , Yaguang Xie , Tong Qiao , Zhidong Zhao

Learning implicit representations has been a widely used solution for surface reconstruction from 3D point clouds. The latest methods infer a distance or occupancy field by overfitting a neural network on a single point cloud. However,…

计算机视觉与模式识别 · 计算机科学 2023-08-28 Chao Chen , Yu-Shen Liu , Zhizhong Han

Stereo image super-resolution (SSR) aims to enhance high-resolution details by leveraging information from stereo image pairs. However, existing stereo super-resolution (SSR) upsampling methods (e.g., pixel shuffle) often overlook…

图像与视频处理 · 电气工程与系统科学 2025-07-08 Yi Liu , Xinyi Liu , Yi Wan , Panwang Xia , Qiong Wu , Yongjun Zhang

Implicit neural representations (INRs) have achieved remarkable success in image representation and compression, but they require substantial training time and memory. Meanwhile, recent 2D Gaussian Splatting (GS) methods (\textit{e.g.},…

计算机视觉与模式识别 · 计算机科学 2026-01-01 Tiantian Li , Xinjie Zhang , Xingtong Ge , Tongda Xu , Dailan He , Jun Zhang , Yan Wang

To detect stego (steganographic text) in complex scenarios, linguistic steganalysis (LS) with various motivations has been proposed and achieved excellent performance. However, with the development of generative steganography, some stegos…

计算与语言 · 计算机科学 2024-06-24 Yifan Tang , Yihao Wang , Ru Zhang , Jianyi Liu

Semantic communication (SemCom), as a novel paradigm for future communication systems, has recently attracted much attention due to its superiority in communication efficiency. However, similar to traditional communication, it also suffers…

信号处理 · 电气工程与系统科学 2026-03-26 Song Gao , Rui Meng , Xiaodong Xu , Haixiao Gao , Yiming Liu , Chenyuan Feng , Ping Zhang , Tony Q. S. Quek , Dusit Niyato

In the deep learning era, long video generation of high-quality still remains challenging due to the spatio-temporal complexity and continuity of videos. Existing prior works have attempted to model video distribution by representing videos…

计算机视觉与模式识别 · 计算机科学 2022-02-23 Sihyun Yu , Jihoon Tack , Sangwoo Mo , Hyunsu Kim , Junho Kim , Jung-Woo Ha , Jinwoo Shin

Recent advances in large language models (LLMs) have blurred the boundary of high-quality text generation between humans and machines, which is favorable for generative text steganography. While, current advanced steganographic mapping is…

计算与语言 · 计算机科学 2024-11-06 Jiaxuan Wu , Zhengxian Wu , Yiming Xue , Juan Wen , Wanli Peng

Implicit neural networks have emerged as a crucial technology in 3D surface reconstruction. To reconstruct continuous surfaces from discrete point clouds, encoding the input points into regular grid features (plane or volume) has been…

计算机视觉与模式识别 · 计算机科学 2024-01-05 Shengtao Li , Ge Gao , Yudong Liu , Yu-Shen Liu , Ming Gu

Implicit neural representations (INRs) encode signals in neural network weights as a memory-efficient representation, decoupling sampling resolution from the associated resource costs. Current INR image classification methods are…

计算机视觉与模式识别 · 计算机科学 2025-03-20 Joost Luijmes , Alexander Gielisse , Roman Knyazhitskiy , Jan van Gemert

The ever-increasing demand for 3D modeling in the emerging immersive applications has made point clouds an essential class of data for 3D image and video processing. Tree based structures are commonly used for representing point clouds…

多媒体 · 计算机科学 2021-10-25 Hoda Roodaki , Mahdi Nazm Bojnordi

Recent advances in neural rendering imply a future of widespread visual data distributions through sharing NeRF model weights. However, while common visual data (images and videos) have standard approaches to embed ownership or copyright…

计算机视觉与模式识别 · 计算机科学 2022-12-06 Chenxin Li , Brandon Y. Feng , Zhiwen Fan , Panwang Pan , Zhangyang Wang

Deep generative models have shown great promise when it comes to synthesising novel images. While they can generate images that look convincing on a higher-level, generating fine-grained details is still a challenge. In order to foster…

计算机视觉与模式识别 · 计算机科学 2019-01-15 Andrin Jenal , Nikolay Savinov , Torsten Sattler , Gaurav Chaurasia