A method and device for detecting violently moving objects
A moving target and vigorous motion technology, applied in the field of violent motion target detection methods and devices, can solve the problems of slow calculation speed, high computational complexity of optical flow calculation, and inability to meet real-time processing, so as to improve the accuracy and reduce the amount of calculation. Effect
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Embodiment 1
[0032] Embodiment 1 of the present invention provides a method for detecting a vigorously moving target. The steps of the method can be as follows figure 2 shown, including:
[0033] Step 101, perform corner detection on a frame of image.
[0034] In this step, the corner point detection may be performed on the position corresponding to the position of a moving object in the first moving object foreground image in the Nth frame of images in the sequence image to obtain the first set of corner points. The first moving target foreground image is obtained by performing foreground detection on the Nth frame of image, where N is a positive integer not less than 2. The method for performing foreground detection is the same as that of the prior art, and will not be repeated here.
[0035] The first foreground image of the moving object may include one moving object, may include multiple moving objects, or may not include the moving object. If the first moving object foreground im...
Embodiment 2
[0058] Embodiment 2 of the present invention provides a method for detecting a vigorously moving target. The steps of the method can be as follows image 3 shown, including:
[0059] Step 201, perform corner detection on the current frame image.
[0060] In this step, a frame of image may be received, and the received frame of image may be used as the current frame image to perform foreground detection on the current frame image to obtain a binarized current frame moving target foreground image, and in the current frame image, Corner detection is performed at the position corresponding to the position of the foreground image of the moving target in the current frame.
[0061] Specifically, in order to increase the speed of corner detection and fully ensure the speed of violently moving target detection, the Harris corner detection method can be used to achieve corner detection (of course, other detection methods can also be used, such as fast-corner corner detection method, ...
Embodiment 3
[0085] Embodiment 3 of the present invention provides a device for detecting violently moving objects. The structure of the device can be as follows Figure 4 shown, including:
[0086] The corner point detection module 11 is used to perform corner point detection on the position corresponding to the position of a moving object in the first moving object foreground image in the Nth frame image in the sequence image, and obtain a first set of corner points, the first corner point set A moving target foreground image is obtained by performing foreground detection on the Nth frame image, wherein the N is a positive integer not less than 2;
[0087] The matching module 12 is used to determine, for each first corner point in the first corner point set, whether there is a second corner point that matches the first corner point in the reference corner point set, and the reference corner point set is for all corner points. In the N-1th frame image in the sequence image, the position ...
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