Method and device for recognizing gesture tracks
A gesture trajectory and recognition method technology, applied in the field of gesture trajectory recognition methods and devices, can solve the problems of computing time and other problems, and achieve the effect of light computing burden and low power consumption
Inactive Publication Date: 2014-01-15
FUJITSU LTD
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These methods require a lot of computing time to train gestures to obtain gesture trajectory templates, and it also takes a lot of computing time to extract features in the input image and compare them with the features of gesture trajectory templates in real time.
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[0014] Features and exemplary embodiments of various aspects of the invention will be described in detail below. The following description covers numerous specific details in order to provide a thorough understanding of the present invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced without some of these specific details. The following description of the embodiments is only to provide a clearer understanding of the present invention by showing examples of the present invention. The present invention is by no means limited to any specific configuration and algorithm presented below, but covers any modification, replacement and improvement of related elements, components and algorithms without departing from the spirit of the present invention.
[0015] figure 1 A block diagram of a gesture trajectory recognition device according to an embodiment of the present invention is shown. figure 2 A flow chart of a gesture t...
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The invention provides a method and device for recognizing gesture tracks. The method for recognizing the gesture tracks includes the steps that sixteen gesture track templates are predefined and divided into three types of the gesture track templates according to the number of key points included in the gesture track templates; which type of the gesture track templates of the three types of the gesture track templates does an input gesture track belong to is judged according to the number of key points included in the input gesture track; input gesture tracks which belong to different types of the gesture track templates are recognized through different methods, wherein for any gesture track template in the sixteen gesture track templates or for any input gesture track, both the starting point and the end point are the key points, and for any current point in one gesture track template or in one input gesture track, if the current point and a former key point are in the same quadrant, the current point is judged as an ordinary point, or else the current point is judged as the key point.
Description
technical field [0001] The invention relates to the field of graphics processing, in particular to a gesture track recognition method and device. Background technique [0002] At present, there are many methods for recognizing gesture trajectories, most of which follow the following processing flow: firstly, a gesture trajectory template with predefined features is obtained by training gestures; feature to judge the actual gesture trajectory. These methods require a lot of computing time to train gestures to obtain gesture trajectory templates, and it also takes a lot of computing time to extract features in the input image and compare them with the features of gesture trajectory templates in real time. [0003] Low-power applications involving gesture trajectory recognition processing include smart home devices, mobile devices, and other types of handheld devices. Gesture trajectory recognition processing in low-power applications needs to use the simplest possible algori...
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IPC IPC(8): G06F3/01
CPCG06F3/017G06F3/0304
Inventor 谭志明
Owner FUJITSU LTD