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Domain generalization (DG) strives to address distribution shifts across diverse environments to enhance model's generalizability. Current DG approaches are confined to acquiring robust representations with continuous features, specifically…

Computer Vision and Pattern Recognition · Computer Science 2025-04-10 Shaocong Long , Qianyu Zhou , Xikun Jiang , Chenhao Ying , Lizhuang Ma , Yuan Luo

Probabilistic denoising diffusion models (DDMs) have set a new standard for 2D image generation. Extending DDMs for 3D content creation is an active field of research. Here, we propose TetraDiffusion, a diffusion model that operates on a…

Computer Vision and Pattern Recognition · Computer Science 2024-08-12 Nikolai Kalischek , Torben Peters , Jan D. Wegner , Konrad Schindler

Variations of deep neural networks such as convolutional neural network (CNN) have been successfully applied to image denoising. The goal is to automatically learn a mapping from a noisy image to a clean image given training data consisting…

Computer Vision and Pattern Recognition · Computer Science 2017-09-29 Tianyang Wang , Mingxuan Sun , Kaoning Hu

LiDAR-based 3D detection has made great progress in recent years. However, the performance of 3D detectors is considerably limited when deployed in unseen environments, owing to the severe domain gap problem. Existing domain adaptive 3D…

Computer Vision and Pattern Recognition · Computer Science 2023-08-17 Ziyu Li , Jingming Guo , Tongtong Cao , Liu Bingbing , Wankou Yang

With the explosive growth of web-based cameras and mobile devices, billions of photographs are uploaded to the internet. We can trivially collect a huge number of photo streams for various goals, such as image clustering, 3D scene…

Computer Vision and Pattern Recognition · Computer Science 2014-09-16 Ju Shen , Jianjun Yang , Sami Taha-abusneineh , Bryson Payne , Markus Hitz

In this paper, we propose deformable deep convolutional neural networks for generic object detection. This new deep learning object detection framework has innovations in multiple aspects. In the proposed new deep architecture, a new…

Computer Vision and Pattern Recognition · Computer Science 2015-06-03 Wanli Ouyang , Xiaogang Wang , Xingyu Zeng , Shi Qiu , Ping Luo , Yonglong Tian , Hongsheng Li , Shuo Yang , Zhe Wang , Chen-Change Loy , Xiaoou Tang

Generalized Category Discovery (GCD) aims to classify unlabeled data containing both seen and novel categories. Although existing methods perform well on generic datasets, they struggle in fine-grained scenarios. We attribute this…

Computer Vision and Pattern Recognition · Computer Science 2025-03-24 Enguang Wang , Zhimao Peng , Zhengyuan Xie , Haori Lu , Fei Yang , Xialei Liu

In 2D image processing, some attempts decompose images into high and low frequency components for describing edge and smooth parts respectively. Similarly, the contour and flat area of 3D objects, such as the boundary and seat area of a…

Computer Vision and Pattern Recognition · Computer Science 2021-02-09 Mutian Xu , Junhao Zhang , Zhipeng Zhou , Mingye Xu , Xiaojuan Qi , Yu Qiao

Single image superresolution has been a popular research topic in the last two decades and has recently received a new wave of interest due to deep neural networks. In this paper, we approach this problem from a different perspective. With…

Computer Vision and Pattern Recognition · Computer Science 2018-10-03 Weifeng Ge , Bingchen Gong , Yizhou Yu

The inherent challenge of image fusion lies in capturing the correlation of multi-source images and comprehensively integrating effective information from different sources. Most existing techniques fail to perform dynamic image fusion…

Computer Vision and Pattern Recognition · Computer Science 2024-11-06 Bing Cao , Yinan Xia , Yi Ding , Changqing Zhang , Qinghua Hu

Reconstructing 3D clothed human avatars from single images is a challenging task, especially when encountering complex poses and loose clothing. Current methods exhibit limitations in performance, largely attributable to their dependence on…

Computer Vision and Pattern Recognition · Computer Science 2023-10-24 Zechuan Zhang , Li Sun , Zongxin Yang , Ling Chen , Yi Yang

Recent deep learning based approaches have shown promising results for the challenging task of inpainting large missing regions in an image. These methods can generate visually plausible image structures and textures, but often create…

Computer Vision and Pattern Recognition · Computer Science 2018-03-23 Jiahui Yu , Zhe Lin , Jimei Yang , Xiaohui Shen , Xin Lu , Thomas S. Huang

How to effectively remove the noise while preserving the image structure features is a challenging issue in the field of image denoising. In recent years, fractional PDE based methods have attracted more and more research efforts due to the…

Numerical Analysis · Mathematics 2021-05-11 Maoyuan Xu , Xiaoping Xie

In modern computer vision, images are typically represented as a fixed uniform grid with some stride and processed via a deep convolutional neural network. We argue that deforming the grid to better align with the high-frequency image…

Computer Vision and Pattern Recognition · Computer Science 2023-04-05 Jun Gao , Zian Wang , Jinchen Xuan , Sanja Fidler

Cartoon-texture image decomposition is a fundamental yet challenging problem in image processing. A significant hurdle in achieving accurate decomposition is the pervasive presence of noise in the observed images, which severely impedes…

Computer Vision and Pattern Recognition · Computer Science 2026-03-31 Weihao Tang , Hongjin He

A laser scanner can easily acquire the geometric data of physical environments in the form of a point cloud. Recognizing objects from a point cloud is often required for industrial 3D reconstruction, which should include not only geometry…

Computer Vision and Pattern Recognition · Computer Science 2020-07-01 Hyungki Kim , Moohyun Cha , Duhwan Mun

Monocular 3D object detection (M3OD) is intrinsically ill-posed, hence training a high-performance deep learning based M3OD model requires a humongous amount of labeled data with complicated visual variation from diverse scenes, variety of…

Computer Vision and Pattern Recognition · Computer Science 2026-03-10 Zhaonian Kuang , Rui Ding , Meng Yang , Xinhu Zheng , Gang Hua

Most existing methods of 3D clothed human reconstruction from a single image treat the clothed human as a single object without distinguishing between cloth and human body. In this regard, we present DeClotH, which separately reconstructs…

Computer Vision and Pattern Recognition · Computer Science 2025-03-26 Hyeongjin Nam , Donghwan Kim , Jeongtaek Oh , Kyoung Mu Lee

In person re-identification (ReID) tasks, many works explore the learning of part features to improve the performance over global image features. Existing methods explicitly extract part features by either using a hand-designed image…

Computer Vision and Pattern Recognition · Computer Science 2023-03-14 Dengjie Li , Siyu Chen , Yujie Zhong , Lin Ma

Learning general image representations has proven key to the success of many computer vision tasks. For example, many approaches to image understanding problems rely on deep networks that were initially trained on ImageNet, mostly because…

Computer Vision and Pattern Recognition · Computer Science 2019-03-15 Helge Rhodin , Victor Constantin , Isinsu Katircioglu , Mathieu Salzmann , Pascal Fua
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