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In this paper, we aim to reconstruct a full 3D human shape from a single image. Previous vertex-level and parameter regression approaches reconstruct 3D human shape based on a pre-defined adjacency matrix to encode positive relations…

Computer Vision and Pattern Recognition · Computer Science 2021-08-30 Shihao Zhou , Mengxi Jiang , Shanshan Cai , Yunqi Lei

Affordable 3D scanners often produce sparse and non-uniform point clouds that negatively impact downstream applications in robotic systems. While existing point cloud upsampling architectures have demonstrated promising results on standard…

Computer Vision and Pattern Recognition · Computer Science 2023-09-06 Ahmed Hatem , Yiming Qian , Yang Wang

Recent work on time-series models has leveraged self-supervised training to learn meaningful features and patterns in order to improve performance on downstream tasks and generalize to unseen modalities. While these pretraining methods have…

Machine Learning · Computer Science 2026-04-10 Paul Quinlan , Qingguo Li , Xiaodan Zhu

In the current monocular depth research, the dominant approach is to employ unsupervised training on large datasets, driven by warped photometric consistency. Such approaches lack robustness and are unable to generalize to challenging…

Computer Vision and Pattern Recognition · Computer Science 2020-03-31 Jaime Spencer , Richard Bowden , Simon Hadfield

We propose a novel algorithm for the fitting of 3D human shape to images. Combining the accuracy and refinement capabilities of iterative gradient-based optimization techniques with the robustness of deep neural networks, we propose a…

Computer Vision and Pattern Recognition · Computer Science 2020-08-20 Jie Song , Xu Chen , Otmar Hilliges

LiDAR place recognition approaches based on deep learning suffer from significant performance degradation when there is a shift between the distribution of training and test datasets, often requiring re-training the networks to achieve peak…

Computer Vision and Pattern Recognition · Computer Science 2023-11-30 Joshua Knights , Stephen Hausler , Sridha Sridharan , Clinton Fookes , Peyman Moghadam

Human motion is inherently diverse and semantically rich, while also shaped by the surrounding scene. However, existing motion generation approaches fail to generate semantically diverse motion while simultaneously respecting geometric…

Computer Vision and Pattern Recognition · Computer Science 2026-03-31 Jungbin Cho , Minsu Kim , Jisoo Kim , Ce Zheng , Laszlo A. Jeni , Ming-Hsuan Yang , Youngjae Yu , Seonjoo Kim

In digital pathology, many image analysis tasks are challenged by the need for large and time-consuming manual data annotations to cope with various sources of variability in the image domain. Unsupervised domain adaptation based on…

Image and Video Processing · Electrical Eng. & Systems 2022-05-18 Nassim Bouteldja , Barbara Mara Klinkhammer , Tarek Schlaich , Peter Boor , Dorit Merhof

We present a novel real-time capable learning method that jointly perceives a 3D scene's geometry structure and semantic labels. Recent approaches to real-time 3D scene reconstruction mostly adopt a volumetric scheme, where a Truncated…

Computer Vision and Pattern Recognition · Computer Science 2023-09-12 Ziyang Hong , C. Patrick Yue

Monocular 3D object detection (Mono3D) has achieved unprecedented success with the advent of deep learning techniques and emerging large-scale autonomous driving datasets. However, drastic performance degradation remains an unwell-studied…

Computer Vision and Pattern Recognition · Computer Science 2022-04-28 Zhenyu Li , Zehui Chen , Ang Li , Liangji Fang , Qinhong Jiang , Xianming Liu , Junjun Jiang

Machine learning has demonstrated remarkable prediction accuracy over i.i.d data, but the accuracy often drops when tested with data from another distribution. In this paper, we aim to offer another view of this problem in a perspective…

Machine Learning · Computer Science 2022-06-20 Haohan Wang , Zeyi Huang , Hanlin Zhang , Yong Jae Lee , Eric Xing

Our MATE is the first Test-Time-Training (TTT) method designed for 3D data, which makes deep networks trained for point cloud classification robust to distribution shifts occurring in test data. Like existing TTT methods from the 2D image…

Computer Vision and Pattern Recognition · Computer Science 2023-03-21 M. Jehanzeb Mirza , Inkyu Shin , Wei Lin , Andreas Schriebl , Kunyang Sun , Jaesung Choe , Horst Possegger , Mateusz Kozinski , In So Kweon , Kun-Jin Yoon , Horst Bischof

Deep learning in computer vision has achieved great success with the price of large-scale labeled training data. However, exhaustive data annotation is impracticable for each task of all domains of interest, due to high labor costs and…

Computer Vision and Pattern Recognition · Computer Science 2023-05-26 Hui Tang , Kui Jia

Research exploring CycleGAN-based synthetic image generation has recently accelerated in the medical community, as it is able to leverage unpaired datasets effectively. However, clinical acceptance of these synthetic images pose a…

Image and Video Processing · Electrical Eng. & Systems 2021-10-13 Suraj Pai

Supervised semantic segmentation normally assumes the test data being in a similar data domain as the training data. However, in practice, the domain mismatch between the training and unseen data could lead to a significant performance…

Computer Vision and Pattern Recognition · Computer Science 2019-09-26 Xianxu Hou , Jingxin Liu , Bolei Xu , Bozhi Liu , Xin Chen , Mohammad Ilyas , Ian Ellis , Jon Garibaldi , Guoping Qiu

Estimating 3D poses from a monocular video is still a challenging task, despite the significant progress that has been made in recent years. Generally, the performance of existing methods drops when the target person is too small/large, or…

Computer Vision and Pattern Recognition · Computer Science 2020-04-27 Yu Cheng , Bo Yang , Bo Wang , Robby T. Tan

Human pose estimators are typically retrained from scratch or naively fine-tuned whenever keypoint sets, sensing modalities, or deployment domains change--an inefficient, compute-intensive practice that rarely matches field constraints. We…

Computer Vision and Pattern Recognition · Computer Science 2026-02-26 Muhammad Saif Ullah Khan , Didier Stricker

Spatio-temporal information is key to resolve occlusion and depth ambiguity in 3D pose estimation. Previous methods have focused on either temporal contexts or local-to-global architectures that embed fixed-length spatio-temporal…

Computer Vision and Pattern Recognition · Computer Science 2020-10-21 Junfa Liu , Juan Rojas , Zhijun Liang , Yihui Li , Yisheng Guan

Test-time adaptation enables a trained model to adjust to a new domain during inference, making it particularly valuable in clinical settings where such on-the-fly adaptation is required. However, existing techniques depend on large target…

Computer Vision and Pattern Recognition · Computer Science 2025-07-01 Smriti Joshi , Richard Osuala , Lidia Garrucho , Kaisar Kushibar , Dimitri Kessler , Oliver Diaz , Karim Lekadir

Zero-shot 3D object classification is crucial for real-world applications like autonomous driving, however it is often hindered by a significant domain gap between the synthetic data used for training and the sparse, noisy LiDAR scans…

Computer Vision and Pattern Recognition · Computer Science 2025-10-22 Ajinkya Khoche , Gergő László Nagy , Maciej Wozniak , Thomas Gustafsson , Patric Jensfelt