Semi-supervised three-dimensional point cloud gesture key point detection method

A technology of three-dimensional point cloud and detection method, which is applied in the field of pattern recognition, can solve problems such as not necessarily applicable and heavy workload, and achieve the effects of improving practicability, improving recognition accuracy, and optimizing processing methods

Active Publication Date: 2020-02-04
SUN YAT SEN UNIV
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Problems solved by technology

However, the above recognition process often requires a large number of training samples, resulting in a huge workload, and for specific scenarios, the existing labeled samples may not be applicable

Method used

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  • Semi-supervised three-dimensional point cloud gesture key point detection method
  • Semi-supervised three-dimensional point cloud gesture key point detection method

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Embodiment Construction

[0041] The accompanying drawings are for illustrative purposes only, and should not be construed as limiting the present invention; in order to better illustrate this embodiment, certain components in the accompanying drawings will be omitted, enlarged or reduced, and do not represent the size of the actual product; for those skilled in the art It is understandable that some well-known structures and descriptions thereof may be omitted in the drawings. The positional relationship described in the drawings is for illustrative purposes only, and should not be construed as limiting the present invention.

[0042] Such as figure 1 As shown, the present invention provides a semi-supervised three-dimensional point cloud gesture key point detection method, comprising the following steps:

[0043] Step 1. Build the RGB-D gesture dataset:

[0044] S11. Build a two-dimensional hand key point detection model;

[0045] S12. Carry out hand key point detection model training based on the...

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Abstract

The invention belongs to the field of pattern recognition in the field of computer vision, and particularly relates to a semi-supervised three-dimensional point cloud gesture key point detection method, which can be used for obtaining accurate three-dimensional key point information by utilizing unlabeled data. According to the method for generating the three-dimensional point cloud to recognize the gesture key points based on the TOF module, compared with a two-dimensional image, the recognition precision of the three-dimensional point cloud is greatly improved for a complex scene and an environment with poor light conditions. The processing mode of the point cloud data is optimized, the hand point cloud is smoothed and then sampled, and the precision is higher than that of smoothing after sampling.

Description

technical field [0001] The invention belongs to the field of pattern recognition under the field of computer vision, and more specifically relates to a semi-supervised method for detecting key points of gestures in a three-dimensional point cloud. Background technique [0002] In recent years, with the development of computer technology and the advent of the 5G era, convenient human-computer interaction is the mainstream of future social development. Gesture recognition can be applied to many fields, such as AR, VR, vehicle systems, smart homes, industrial detection etc. From the perspective of data sources, gesture recognition technology can be divided into methods based on data gloves and vision. The initial gesture recognition mainly uses various wearable devices that are in direct contact with the hand for data collection. Through the data gloves containing many sensors, various information required for gesture recognition can be obtained very accurately. In addition, ...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06K9/00G06K9/34G06K9/62G06T7/136
CPCG06T7/136G06T2207/10028G06V40/107G06V10/267G06F18/241
Inventor 何金钰朝红阳
Owner SUN YAT SEN UNIV
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