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Recently, the generation of dynamic 3D objects from a video has shown impressive results. Existing methods directly optimize Gaussians using whole information in frames. However, when dynamic regions are interwoven with static regions…

Computer Vision and Pattern Recognition · Computer Science 2025-06-30 Liying Yang , Chen Liu , Zhenwei Zhu , Ajian Liu , Hui Ma , Jian Nong , Yanyan Liang

An essential problem in domain adaptation is to understand and make use of distribution changes across domains. For this purpose, we first propose a flexible Generative Domain Adaptation Network (G-DAN) with specific latent variables to…

Machine Learning · Statistics 2018-06-29 Mingming Gong , Kun Zhang , Biwei Huang , Clark Glymour , Dacheng Tao , Kayhan Batmanghelich

Cross-domain few-shot object detection (CD-FSOD) aims to adapt pretrained detectors from a source domain to target domains with limited annotations, suffering from severe domain shifts and data scarcity problems. In this work, we find a…

Computer Vision and Pattern Recognition · Computer Science 2026-03-20 Yongwei Jiang , Yixiong Zou , Yuhua Li , Ruixuan Li

Novel View Synthesis (NVS) from unconstrained photo collections is challenging in computer graphics. Recently, 3D Gaussian Splatting (3DGS) has shown promise for photorealistic and real-time NVS of static scenes. Building on 3DGS, we…

Computer Vision and Pattern Recognition · Computer Science 2024-06-05 Yuze Wang , Junyi Wang , Yue Qi

Synthesizing consistent and photorealistic 3D scenes is an open problem in computer vision. Video diffusion models generate impressive videos but cannot directly synthesize 3D representations, i.e., lack 3D consistency in the generated…

Computer Vision and Pattern Recognition · Computer Science 2025-03-18 Katja Schwarz , Norman Mueller , Peter Kontschieder

Scale-invariance, good localization and robustness to noise and distortions are the main properties that a local feature detector should possess. Most existing local feature detectors find excessive unstable feature points that increase the…

Computer Vision and Pattern Recognition · Computer Science 2021-02-03 Morteza Ghahremani , Yonghuai Liu , Bernard Tiddeman

For hyperspectral image change detection (HSI-CD), one key challenge is to reduce band redundancy, as only a few bands are crucial for change detection while other bands may be adverse to it. However, most existing HSI-CD methods directly…

Image and Video Processing · Electrical Eng. & Systems 2023-11-17 Qingren Yao , Yuan Zhou , Chang Tang , Wei Xiang

Change detection is one of the most active research areas in Remote Sensing (RS). Most of the recently developed change detection methods are based on deep learning (DL) algorithms. This kind of algorithms is generally focused on generating…

Image and Video Processing · Electrical Eng. & Systems 2023-01-18 Valerio Marsocci , Virginia Coletta , Roberta Ravanelli , Simone Scardapane , Mattia Crespi

It is well known that vision classification models suffer from poor calibration in the face of data distribution shifts. In this paper, we take a geometric approach to this problem. We propose Geometric Sensitivity Decomposition (GSD) which…

Computer Vision and Pattern Recognition · Computer Science 2021-11-23 Junjiao Tian , Dylan Yung , Yen-Chang Hsu , Zsolt Kira

In this paper, we address the problem of generalized category discovery (GCD), \ie, given a set of images where part of them are labelled and the rest are not, the task is to automatically cluster the images in the unlabelled data,…

Computer Vision and Pattern Recognition · Computer Science 2023-08-21 Bingchen Zhao , Xin Wen , Kai Han

3D editing plays a crucial role in editing and reusing existing 3D assets, thereby enhancing productivity. Recently, 3DGS-based methods have gained increasing attention due to their efficient rendering and flexibility. However, achieving…

Graphics · Computer Science 2024-12-12 Yian Zhao , Wanshi Xu , Yang Wu , Weiheng Huang , Zhongqian Sun , Wei Yang

Diffusion Models have demonstrated remarkable performance in image generation. However, their demanding computational requirements for training have prompted ongoing efforts to enhance the quality of generated images through modifications…

Computer Vision and Pattern Recognition · Computer Science 2023-11-21 Eleftherios Tsonis , Paraskevi Tzouveli , Athanasios Voulodimos

Unsupervised change detection (UCD) in remote sensing aims to localise semantic changes between two images of the same region without relying on labelled data during training. Most recent approaches rely either on frozen foundation models…

Computer Vision and Pattern Recognition · Computer Science 2026-02-24 Blaž Rolih , Matic Fučka , Filip Wolf , Luka Čehovin Zajc

The effectiveness of convolutional neural networks in medical image segmentation relies on large-scale, high-quality annotations, which are costly and time-consuming to obtain. Even expert-labeled datasets inevitably contain noise arising…

Computer Vision and Pattern Recognition · Computer Science 2026-03-25 Tao Wang , Zhenxuan Zhang , Yuanbo Zhou , Xinlin Zhang , Yuanbin Chen , Tao Tan , Guang Yang , Tong Tong

Deformable 3D Gaussian Splatting (3D-GS) is limited by missing intermediate motion information due to the low temporal resolution of RGB cameras. To address this, we introduce the first approach combining event cameras, which capture…

Computer Vision and Pattern Recognition · Computer Science 2025-03-28 Wenhao Xu , Wenming Weng , Yueyi Zhang , Ruikang Xu , Zhiwei Xiong

Spatio-temporal modeling is foundational for smart city applications, yet it is often hindered by data scarcity in many cities and regions. To bridge this gap, we propose a novel generative pre-training framework, GPD, for spatio-temporal…

Machine Learning · Computer Science 2024-03-26 Yuan Yuan , Chenyang Shao , Jingtao Ding , Depeng Jin , Yong Li

Transformers offer strong global modeling for single-image dehazing but come with high computational costs. Most methods rely on spatial features to capture long-range dependencies, making them less effective under complex haze conditions.…

Computer Vision and Pattern Recognition · Computer Science 2026-02-17 Lirong Zheng , Yanshan Li , Rui Yu , Kaihao Zhang

Generalized Category Discovery (GCD) is an emerging and challenging open-world problem that has garnered increasing attention in recent years. Most existing GCD methods focus on discovering categories in static images. However, relying…

Computer Vision and Pattern Recognition · Computer Science 2025-09-09 Zhang Jing , Pu Nan , Xie Yu Xiang , Guo Yanming , Lu Qianqi , Zou Shiwei , Yan Jie , Chen Yan

Conventional uncertainty-aware temporal difference (TD) learning often assumes a zero-mean Gaussian distribution for TD errors, leading to inaccurate error representations and compromised uncertainty estimation. We introduce a novel…

Machine Learning · Computer Science 2025-02-04 Seyeon Kim , Joonhun Lee , Namhoon Cho , Sungjun Han , Wooseop Hwang

The remarkable progress in neural-network-driven visual data generation, especially with neural rendering techniques like Neural Radiance Fields and 3D Gaussian splatting, offers a powerful alternative to GANs and diffusion models. These…

Computer Vision and Pattern Recognition · Computer Science 2024-11-14 Chengdong Dong , Vijayakumar Bhagavatula , Zhenyu Zhou , Ajay Kumar