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Related papers: Real-time Skeletonization for Sketch-based Modelin…

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Object skeletons are useful for object representation and object detection. They are complementary to the object contour, and provide extra information, such as how object scale (thickness) varies among object parts. But object skeleton…

Computer Vision and Pattern Recognition · Computer Science 2017-10-11 Wei Shen , Kai Zhao , Yuan Jiang , Yan Wang , Xiang Bai , Alan Yuille

We present a novel freehand sketch beautification method, which takes as input a freely drawn sketch of a man-made object and automatically beautifies it both geometrically and structurally. Beautifying a sketch is challenging because of…

Computer Vision and Pattern Recognition · Computer Science 2023-12-25 Deng Yu , Manfred Lau , Lin Gao , Hongbo Fu

We present a simple and efficient method based on deep learning to automatically decompose sketched objects into semantically valid parts. We train a deep neural network to transfer existing segmentations and labelings from 3D models to…

Graphics · Computer Science 2018-08-01 Lei Li , Hongbo Fu , Chiew-Lan Tai

As collaborative robots (cobots) continue to gain popularity in industrial manufacturing, effective human-robot collaboration becomes crucial. Cobots should be able to recognize human actions to assist with assembly tasks and act…

Computer Vision and Pattern Recognition · Computer Science 2023-07-19 Dustin Aganian , Mona Köhler , Benedict Stephan , Markus Eisenbach , Horst-Michael Gross

In this paper, we propose a skeleton matching based approach which aids in text localization in scene images. The input image is preprocessed and segmented into blocks using connected component analysis. We obtain the skeleton of the…

Computer Vision and Pattern Recognition · Computer Science 2015-02-23 B. H. Shekar , Smitha M. L

Skeleton-based temporal action segmentation is a fundamental yet challenging task, playing a crucial role in enabling intelligent systems to perceive and respond to human activities. While fully-supervised methods achieve satisfactory…

Computer Vision and Pattern Recognition · Computer Science 2026-03-09 Hongsong Wang , Yiqin Shen , Pengbo Yan , Jie Gui

In the field of gestural action recognition, many studies have focused on dimensionality reduction along the spatial axis, to reduce both the variability of gestural sequences expressed in the reduced space, and the computational complexity…

Machine Learning · Computer Science 2014-09-18 Pierre-François Marteau , Sylvie Gibet , Clement Reverdy

We present a learning method for predicting animation skeletons for input 3D models of articulated characters. In contrast to previous approaches that fit pre-defined skeleton templates or predict fixed sets of joints, our method produces…

Computer Vision and Pattern Recognition · Computer Science 2019-08-23 Zhan Xu , Yang Zhou , Evangelos Kalogerakis , Karan Singh

Skeletonization is a powerful tool for shape analysis, rooted in the inherent instinct to understand an object's morphology. It has found applications across various domains, including robotics. Although skeletonization algorithms have been…

Computer Vision and Pattern Recognition · Computer Science 2025-04-02 Qingmeng Wen , Yu-Kun Lai , Ze Ji , Seyed Amir Tafrishi

We propose a real-time 3D human pose estimation and motion analysis method termed RePose for rehabilitation training. It is capable of real-time monitoring and evaluation of patients'motion during rehabilitation, providing immediate…

Computer Vision and Pattern Recognition · Computer Science 2026-01-05 Junxiao Xue , Pavel Smirnov , Ziao Li , Yunyun Shi , Shi Chen , Xinyi Yin , Xiaohan Yue , Lei Wang , Yiduo Wang , Feng Lin , Yijia Chen , Xiao Ma , Xiaoran Yan , Qing Zhang , Fengjian Xue , Xuecheng Wu

Action recognition with 3D skeleton sequences is becoming popular due to its speed and robustness. The recently proposed Convolutional Neural Networks (CNN) based methods have shown good performance in learning spatio-temporal…

Computer Vision and Pattern Recognition · Computer Science 2018-04-12 Zhengyuan Yang , Yuncheng Li , Jianchao Yang , Jiebo Luo

The medial axis transform is a well-known tool for shape recognition. Instead of the object contour, it equivalently describes a binary object in terms of a skeleton containing all centres of maximal inscribed discs. While this shape…

Image and Video Processing · Electrical Eng. & Systems 2025-03-06 Julia Gierke , Pascal Peter

In the realm of skeleton-based action recognition, the traditional methods which rely on coarse body keypoints fall short of capturing subtle human actions. In this work, we propose Expressive Keypoints that incorporates hand and foot…

Computer Vision and Pattern Recognition · Computer Science 2024-06-27 Yijie Yang , Jinlu Zhang , Jiaxu Zhang , Zhigang Tu

The animation community has spent significant effort trying to ease rigging procedures. This is necessitated because the increasing availability of 3D data makes manual rigging infeasible. However, object animations involve understanding…

Graphics · Computer Science 2021-08-30 Pietro Musoni , Riccardo Marin , Simone Melzi , Umberto Castellani

Multiscale shape skeletonization on pixel adjacency graphs is an advanced intriguing research subject in the field of image processing, computer vision and data mining. The previous works in this area almost focused on the graph vertices.…

Computer Vision and Pattern Recognition · Computer Science 2020-09-18 Hossein Memarzadeh Sharifipour , Bardia Yousefi , Xavier P. V. Maldague

Thinning of character images is a big challenge. Removal of strokes or deformities in thinning is a difficult problem. In this paper, we have proposed a medial axis based thinning strategy used for performing skeletonization of printed and…

Computer Vision and Pattern Recognition · Computer Science 2011-03-04 Soumen Bag , Gaurav Harit

Skeleton data, which consists of only the 2D/3D coordinates of the human joints, has been widely studied for human action recognition. Existing methods take the semantics as prior knowledge to group human joints and draw correlations…

Computer Vision and Pattern Recognition · Computer Science 2021-03-23 Lei Shi , Yifan Zhang , Jian Cheng , Hanqing Lu

Due to the availability of large-scale skeleton datasets, 3D human action recognition has recently called the attention of computer vision community. Many works have focused on encoding skeleton data as skeleton image representations based…

Computer Vision and Pattern Recognition · Computer Science 2019-07-31 Carlos Caetano , Jessica Sena , François Brémond , Jefersson A. dos Santos , William Robson Schwartz

In this paper, we present a solution for arbitrary 3D character deformation by investigating rotation angle of decomposition and preserving the mesh topology structure. In computer graphics, skeleton extraction and skeleton-driven animation…

Computer Vision and Pattern Recognition · Computer Science 2016-08-18 Hugo Martin , Raphael Fernandez , Yong Khoo

This paper focuses on the challenging task of learning 3D object surface reconstructions from RGB images. Existingmethods achieve varying degrees of success by using different surface representations. However, they all have their own…

Computer Vision and Pattern Recognition · Computer Science 2021-06-11 Jiapeng Tang , Xiaoguang Han , Mingkui Tan , Xin Tong , Kui Jia