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Gesture recognition method and device

A gesture recognition and gesture technology, applied in the field of human-computer interaction, can solve problems such as affecting the accuracy of gesture recognition

Active Publication Date: 2017-11-21
RICOH KK
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Problems solved by technology

Therefore, if a fixed-size sliding window is used for gesture recognition, it will affect the accuracy of gesture recognition.

Method used

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  • Gesture recognition method and device
  • Gesture recognition method and device

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Embodiment Construction

[0082] The specific implementation manner of the present invention will be further described in detail below with reference to the drawings and embodiments. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0083] Such as figure 1 As shown, the gesture recognition method of the first embodiment of the present invention includes:

[0084] Step 11. Acquire the first sliding window size, and acquire at least one gesture video sequence frame according to the first sliding window size.

[0085] In a specific application, if it is not the first time to execute the method of the embodiment of the present invention, that is, the gesture made by the user is not an initial gesture, then the first sliding window size can be obtained by reading the storage unit. That is, in this case, the first sliding window size is the size of the sliding window for recognizing user gestures determined after gesture...

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Abstract

The invention provides a gesture recognition method and device, relates to a man-machine interaction technology, and aims at improving the correctness of gesture recognition. The gesture recognition method comprises the following steps of: obtaining a first sliding window size and obtaining at least one gesture video sequence frame according to the first sliding window size; respectively matching the at least one gesture video sequence frame with a preset gesture template so as to obtain a first similarity parameter between the first gesture video sequence frame of a recognized user gesture and the preset gesture template; obtaining a reference sliding window size and obtaining a reference gesture video sequence frame from the first gesture video sequence frame according to the reference sliding window size; obtaining a reference similarity parameter between the reference gesture video sequence frame and the preset gesture template; and when the reference similarity parameter is smaller than the first similarity parameter, taking the reference sliding window size as a sliding window size for recognizing user gestures. The method and device are mainly used in a gesture recognition technology.

Description

technical field [0001] The invention relates to human-computer interaction technology, in particular to a gesture recognition method and device. Background technique [0002] Gesture recognition is a key component of natural human-computer interaction, which can help build a smoother "human-machine dialogue" between humans and machines. Among them, the machine can include computers, projectors and, in recent years, wearable devices. [0003] In the existing gesture recognition technology, people usually need to "learn" how to interact with the machine. For example, the machine prompts the user "Please come closer", "Please wave quickly", etc., and the user makes corresponding gestures according to these prompts. However, this "learning" is not what users expect. In a more natural human-computer interaction, users expect the computer to "adapt" to the person. [0004] Template-based matching methods or learning-based methods are two widely used methods in gesture recognit...

Claims

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Application Information

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IPC IPC(8): G06F3/01G06K9/00
CPCG06F3/017G06V40/28
Inventor 刘丽艳赵颖梁玲燕
Owner RICOH KK
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