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Out-of-Distribution(OOD) detection, a fundamental machine learning task aimed at identifying abnormal samples, traditionally requires model retraining for different inlier distributions. While recent research demonstrates the applicability…

机器学习 · 计算机科学 2025-02-25 Hongzhe Cheng , Tianyou Zheng , Tianyi Zhang , Matthew Johnson-Roberson , Weiming Zhi

Estimating the 6D pose of objects using only RGB images remains challenging because of problems such as occlusion and symmetries. It is also difficult to construct 3D models with precise texture without expert knowledge or specialized…

计算机视觉与模式识别 · 计算机科学 2020-03-24 Kiru Park , Timothy Patten , Markus Vincze

Anomaly detection in surveillance videos is challenging and important for ensuring public security. Different from pixel-based anomaly detection methods, pose-based methods utilize highly-structured skeleton data, which decreases the…

计算机视觉与模式识别 · 计算机科学 2021-12-09 Shoubin Yu , Zhongyin Zhao , Haoshu Fang , Andong Deng , Haisheng Su , Dongliang Wang , Weihao Gan , Cewu Lu , Wei Wu

Estimating relative camera poses from consecutive frames is a fundamental problem in visual odometry (VO) and simultaneous localization and mapping (SLAM), where classic methods consisting of hand-crafted features and sampling-based outlier…

计算机视觉与模式识别 · 计算机科学 2020-07-31 You-Yi Jau , Rui Zhu , Hao Su , Manmohan Chandraker

Video portrait segmentation (VPS), aiming at segmenting prominent foreground portraits from video frames, has received much attention in recent years. However, simplicity of existing VPS datasets leads to a limitation on extensive research…

计算机视觉与模式识别 · 计算机科学 2024-07-03 Tianshu Yu , Changqun Xia , Jia Li

Human pose estimation is an important topic in computer vision with many applications including gesture and activity recognition. However, pose estimation from image is challenging due to appearance variations, occlusions, clutter…

计算机视觉与模式识别 · 计算机科学 2018-08-07 Lipeng Ke , Ming-Ching Chang , Honggang Qi , Siwei Lyu

Multi-person pose estimation and tracking serve as crucial steps for video understanding. Most state-of-the-art approaches rely on first estimating poses in each frame and only then implementing data association and refinement. Despite the…

计算机视觉与模式识别 · 计算机科学 2021-06-08 Yiding Yang , Zhou Ren , Haoxiang Li , Chunluan Zhou , Xinchao Wang , Gang Hua

Estimating human pose is an important yet challenging task in multimedia applications. Existing pose estimation libraries target reproducing standard pose estimation algorithms. When it comes to customising these algorithms for real-world…

计算机视觉与模式识别 · 计算机科学 2022-10-27 Yixiao Guo , Jiawei Liu , Guo Li , Luo Mai , Hao Dong

3D human pose estimation from 2D images is a challenging problem due to depth ambiguity and occlusion. Because of these challenges the task is underdetermined, where there exists multiple -- possibly infinite -- poses that are plausible…

计算机视觉与模式识别 · 计算机科学 2026-02-04 Francis Snelgar , Ming Xu , Stephen Gould , Liang Zheng , Akshay Asthana

We propose a three-stage 6 DoF object detection method called DPODv2 (Dense Pose Object Detector) that relies on dense correspondences. We combine a 2D object detector with a dense correspondence estimation network and a multi-view pose…

计算机视觉与模式识别 · 计算机科学 2022-07-07 Ivan Shugurov , Sergey Zakharov , Slobodan Ilic

In practice, and especially when training deep neural networks, visual recognition rules are often learned based on various sources of information. On the other hand, the recent deployment of facial recognition systems with uneven…

计算机视觉与模式识别 · 计算机科学 2022-11-02 Stephan Clémençon , Pierre Laforgue , Robin Vogel

Semantic segmentation networks have achieved significant success under the assumption of independent and identically distributed data. However, these networks often struggle to detect anomalies from unknown semantic classes due to the…

计算机视觉与模式识别 · 计算机科学 2024-09-27 Liangyu Zhong , Joachim Sicking , Fabian Hüger , Hanno Gottschalk

There has been significant progress in machine learning algorithms for human pose estimation that may provide immense value in rehabilitation and movement sciences. However, there remain several challenges to routine use of these tools for…

计算机视觉与模式识别 · 计算机科学 2022-03-17 R. James Cotton

We propose a novel representation of virtual humans for highly realistic real-time animation and rendering in 3D applications. We learn pose dependent appearance and geometry from highly accurate dynamic mesh sequences obtained from…

计算机视觉与模式识别 · 计算机科学 2024-03-20 Wieland Morgenstern , Milena T. Bagdasarian , Anna Hilsmann , Peter Eisert

The ability to detect unfamiliar or unexpected images is essential for safe deployment of computer vision systems. In the context of classification, the task of detecting images outside of a model's training domain is known as…

计算机视觉与模式识别 · 计算机科学 2024-04-03 Galadrielle Humblot-Renaux , Sergio Escalera , Thomas B. Moeslund

Multi-species animal pose estimation has emerged as a challenging yet critical task, hindered by substantial visual diversity and uncertainty. This paper challenges the problem by efficient prompt learning for Vision-Language Pretrained…

计算机视觉与模式识别 · 计算机科学 2025-03-21 Jiyong Rao , Brian Nlong Zhao , Yu Wang

Contrastive representation learning has emerged as an outstanding approach for anomaly detection. In this work, we explore the $\ell_2$-norm of contrastive features and its applications in out-of-distribution detection. We propose a simple…

计算机视觉与模式识别 · 计算机科学 2024-04-09 Tai Le-Gia , Jaehyun Ahn

Detecting objects and their 6D poses from only RGB images is an important task for many robotic applications. While deep learning methods have made significant progress in visual object detection and segmentation, the object pose estimation…

计算机视觉与模式识别 · 计算机科学 2018-03-01 Thanh-Toan Do , Ming Cai , Trung Pham , Ian Reid

We present an approach to perform 3D pose estimation of multiple people from a few calibrated camera views. Our architecture, leveraging the recently proposed unprojection layer, aggregates feature-maps from a 2D pose estimator backbone…

计算机视觉与模式识别 · 计算机科学 2020-04-07 Alessio Elmi , Davide Mazzini , Pietro Tortella

Current Human Pose Estimation methods have achieved significant improvements. However, state-of-the-art models ignore out-of-image keypoints and use uncalibrated heatmaps as keypoint location representations. To address these limitations,…

计算机视觉与模式识别 · 计算机科学 2025-08-04 Miroslav Purkrabek , Jiri Matas
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