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Panoptic segmentation of 3D scenes, involving the segmentation and classification of object instances in a dense 3D reconstruction of a scene, is a challenging problem, especially when relying solely on unposed 2D images. Existing…

Computer Vision and Pattern Recognition · Computer Science 2025-06-27 Lojze Zust , Yohann Cabon , Juliette Marrie , Leonid Antsfeld , Boris Chidlovskii , Jerome Revaud , Gabriela Csurka

Understanding the surrounding environment of the vehicle is still one of the challenges for autonomous driving. This paper addresses 360-degree road scene semantic segmentation using surround view cameras, which are widely equipped in…

Computer Vision and Pattern Recognition · Computer Science 2019-09-17 Liuyuan Deng , Ming Yang , Hao Li , Tianyi Li , Bing Hu , Chunxiang Wang

Pansharpening is a crucial task in remote sensing, enabling the generation of high-resolution multispectral images by fusing low-resolution multispectral data with high-resolution panchromatic images. This paper provides a comprehensive…

Image and Video Processing · Electrical Eng. & Systems 2024-12-09 Mahek Kantharia , Neeraj Badal , Zankhana Shah

Topological alignments and snakes are used in image processing, particularly in locating object boundaries. Both of them have their own advantages and limitations. To improve the overall image boundary detection system, we focused on…

Computer Vision and Pattern Recognition · Computer Science 2011-06-03 Ashraf A. Aly , Safaai Bin Deris , Nazar Zaki

While recent advances in 3D-aware Generative Adversarial Networks (GANs) have aided the development of near-frontal view human face synthesis, the challenge of comprehensively synthesizing a full 3D head viewable from all angles still…

Computer Vision and Pattern Recognition · Computer Science 2024-07-17 Heyuan Li , Ce Chen , Tianhao Shi , Yuda Qiu , Sizhe An , Guanying Chen , Xiaoguang Han

We present an algorithm for converting an indoor spherical panorama into a photograph with a simulated overhead view. The resulting image will have an extremely wide field of view covering up to 4{\pi} steradians of the spherical panorama.…

Computer Vision and Pattern Recognition · Computer Science 2016-05-03 Chamberlain Fong

In the current era of generative AI breakthroughs, generating panoramic scenes from a single input image remains a key challenge. Most existing methods use diffusion-based iterative or simultaneous multi-view inpainting. However, the lack…

Computer Vision and Pattern Recognition · Computer Science 2024-06-05 Zhipeng Cai , Matthias Mueller , Reiner Birkl , Diana Wofk , Shao-Yen Tseng , JunDa Cheng , Gabriela Ben-Melech Stan , Vasudev Lal , Michael Paulitsch

Wide-angle images gained a huge popularity in the last years due to the development of computational photography and imaging technological advances. They present the information of a scene in a way which is more natural for the human eye…

Graphics · Computer Science 2015-04-20 Luis Peñaranda , Luiz Velho , Leonardo Sacht

Panoramic imaging research on geometry recovery and High Dynamic Range (HDR) reconstruction becomes a trend with the development of Extended Reality (XR). Neural Radiance Fields (NeRF) provide a promising scene representation for both tasks…

Computer Vision and Pattern Recognition · Computer Science 2024-02-27 Zhan Lu , Qian Zheng , Boxin Shi , Xudong Jiang

Wide-angle cameras, despite their popularity for content creation, suffer from distortion-induced facial stretching-especially at the edge of the lens-which degrades visual appeal. To address this issue, we propose a structure-to-detail…

Computer Vision and Pattern Recognition · Computer Science 2025-08-07 Wenbo Nie , Lang Nie , Chunyu Lin , Jingwen Chen , Ke Xing , Jiyuan Wang , Kang Liao

This paper addresses an interesting yet challenging problem -- source-free unsupervised domain adaptation (SFUDA) for pinhole-to-panoramic semantic segmentation -- given only a pinhole image-trained model (i.e., source) and unlabeled…

Computer Vision and Pattern Recognition · Computer Science 2024-03-25 Xu Zheng , Pengyuan Zhou , Athanasios V. Vasilakos , Lin Wang

This paper describes an interdisciplinary approach to geometry modeling of geospatial boundaries. The objective is to extract surfaces from irregular spatial patterns using differential geometry and obtain coherent directional predictions…

Computational Engineering, Finance, and Science · Computer Science 2020-06-09 Raymond Leung

Generating explorable 3D scenes from a single image is a highly challenging problem in 3D vision. Existing methods struggle to support free exploration, often producing severe geometric distortions and noisy artifacts when the viewpoint…

Computer Vision and Pattern Recognition · Computer Science 2026-03-02 Pengfei Wang , Liyi Chen , Zhiyuan Ma , Yanjun Guo , Guowen Zhang , Lei Zhang

Joint camera pose and dense geometry estimation from a set of images or a monocular video remains a challenging problem due to its computational complexity and inherent visual ambiguities. Most dense incremental reconstruction systems…

Computer Vision and Pattern Recognition · Computer Science 2024-04-18 Kirill Mazur , Gwangbin Bae , Andrew J. Davison

Skew estimation is one of the vital tasks in document processing systems, especially for scanned document images, because its performance impacts subsequent steps directly. Over the years, an enormous number of researches focus on this…

Computer Vision and Pattern Recognition · Computer Science 2026-03-09 Luan Pham , Phu Hao Hoang , Xuan Toan Mai , Tuan Anh Tran

Automated 3D scene generation is pivotal for applications spanning virtual reality, digital content creation, and Embodied AI. While computer graphics prioritizes aesthetic layouts, vision and robotics demand scenes that mirror real-world…

Graphics · Computer Science 2026-03-31 Minzhang Li , Kuixiang Shao , Xuebing Li , Yuyang Jiao , Yinuo Bai , Hengan Zhou , Sixian Shen , Jiayuan Gu , Jingyi Yu

Text-driven 3D scene editing has recently attracted increasing attention. Most existing methods follow a render-edit-optimize pipeline, where multi-view images are rendered from a 3D scene, edited with 2D image editors, and then used to…

Computer Vision and Pattern Recognition · Computer Science 2026-04-27 Pufan Li , Bi'an Du , Shenghe Zheng , Junyi Yao , Wei Hu

We present a general learning-based solution for restoring images suffering from spatially-varying degradations. Prior approaches are typically degradation-specific and employ the same processing across different images and different pixels…

Computer Vision and Pattern Recognition · Computer Science 2021-08-20 Kuldeep Purohit , Maitreya Suin , A. N. Rajagopalan , Vishnu Naresh Boddeti

We propose a novel image editing technique that enables 3D manipulations on single images, such as object rotation and translation. Existing 3D-aware image editing approaches typically rely on synthetic multi-view datasets for training…

Computer Vision and Pattern Recognition · Computer Science 2024-07-16 Ruicheng Wang , Jianfeng Xiang , Jiaolong Yang , Xin Tong

A well-known challenge in applying deep-learning methods to omnidirectional images is spherical distortion. In dense regression tasks such as depth estimation, where structural details are required, using a vanilla CNN layer on the…

Computer Vision and Pattern Recognition · Computer Science 2022-03-30 Yuyan Li , Yuliang Guo , Zhixin Yan , Xinyu Huang , Ye Duan , Liu Ren