Method for identifying pushing action based on two-dimensional planar camera and system

Abstract

The invention discloses a method for identifying pushing action based on a two-dimensional planar camera and a system. The method includes acquiring video images containing persons, and dividing hand detecting areas; realizing binarization processing for divided hands, and acquiring corresponding contours of the hands; comparing the contours of a divided current hand with a standard hand contour set in advance, and judging whether push action of the hand is performed; determining that the pushing action of the hand is performed when contour similarity is larger than a set threshold value T, extracting the hand area of the hand performing the pushing action, extracting the center of the minimum rectangle surrounding the contour of the hand, and creating a historical movement graph; and identifying the pushing action of the hand for the built historical movement graph by the aid of orientation gradient vectors. The method is simple in algorithm and high in action identification rate, and simultaneously burden on users in terms of memory is reduced.

Description

technical field

[0001] The invention relates to the technical field of computer video image processing, in particular to an action recognition method and system based on two-dimensional plane camera push. Background technique

[0002] At present, the human-computer interaction based on computer vision technology has changed from the initial text interaction to the keyboard and mouse, and then to the touch and air operation interaction, and finally develops in a friendly, simple and natural direction. Currently, in the human-computer interaction under the two-dimensional plane , people mostly use a static fixed posture to indicate confirmation or entry. Although this method has certain advantages, the prior art uses a static fixed posture to indicate confirmation or entry. The operation is very inconvenient and unnatural, which increases the user's The memory burden of various fixed postures, and the human-computer interaction under the two-dimensional plane of the prior art ...

Images