Action recognition by extracting pyramidal motion features from skeleton sequences

Action recognition by extracting pyramidal motion features from skeleton sequences
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通过从骨架序列中提取金字塔运动特征进行动作识别

DOI:
10.1007/978-3-662-46578-3_29
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发表时间:
2015
期刊:
Lecture Notes in Electrical Engineering
影响因子:
--
通讯作者:
Lv Chen
Lv Chen
中科院分区:
其他
文献类型:
--
作者:
Lu Guoliang;Zhou Yiqi;Li Xueyong;Lv Chen

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人类行为识别一直是计算机视觉中的一个长期问题。在基于动作识别的实用系统设计中,计算效率是一个重要方面。本文提出了一个有效的人类行为识别的框架。提出了一种新的金字塔运动特征,通过计算三维骨骼身体关节的位置偏移来表示骨骼序列。在识别阶段,使用朴素贝叶斯最近邻(NBNN)分类器来考虑人体关节的空间独立性。我们在公共UCF数据集上进行了实验,系统地测试了我们的框架。实验结果表明,与现有方法相比,本文提出的框架具有更高的识别效率和准确性,同时具有更高的计算效率。
Human action recognition has been a long-standing problem in computer vision. Computational efficiency is an important aspect in the design of an action-recognition based practical system. This paper presents a framework for efficient human action recognition. The novel pyramidal motion features are proposed to represent skeleton sequences via computing position offsets in 3D skeletal body joints. In the recognition phase, a Naive-Bayes-Nearest-Neighbors (NBNN) classifier is used to take into account the spatial independence of body joints.We conducted experiments to systematically test our framework on the public UCF dataset. Experimental results show that, compared with thestate-of-the-artapproaches, the presented framework is more effective and more accurate for action recognition, and meanwhile it has a high potential to be more efficient in computation.
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