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Tracking method and device based on electronic holder

An electronic pan-tilt, tracking target technology, applied in the field of photography, can solve the problems of inability to track and the quality of the shooting image is not ideal, and achieve the effect of improving the experience

Inactive Publication Date: 2017-11-03
SHENZHEN AEE AVIATION TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The main purpose of the present invention is to provide a tracking method and device based on an electronic pan / tilt, aiming at solving the problem of inability to effectively accurately track a target with a very fast moving frequency in the screen when the user uses a small portable camera to shoot. Tracking, resulting in unsatisfactory shooting quality

Method used

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  • Tracking method and device based on electronic holder
  • Tracking method and device based on electronic holder

Examples

Experimental program
Comparison scheme
Effect test

no. 3 example

[0083] In this embodiment, after receiving the to-be-displayed image captured by the image sensor of the electronic pan / tilt head and outputting the target area, the method further includes:

[0084] S401: Match the feature points in the feature point set B of the tracking target with the image to be displayed to determine the feature point set C of the tracking target in the image to be displayed;

[0085] It is understandable that, in steps S101 and S102 of the second embodiment of the present invention, the feature points and the direction of the feature points in the currently displayed image have been determined. The SIFT scale-invariant feature transformation matching algorithm identifies the feature points in the image to be displayed; through the above algorithm, the vector of the feature points (feature points with directions) in the image to be displayed can be accurately identified, and the The set of these feature points is defined as feature point set C;

[0086]...

no. 5 example

[0093] In this embodiment, before the determination of the area selection frame is before the original coordinate information in the currently displayed image, the method further includes;

[0094] S001: Preprocess the current display image to remove noise pixels in the current display image.

[0095] It is understandable that after the image captured by the image sensor is usually zoomed, some black and white light and dark noises generated by the image sensor, transmission channel, decoding process, etc. may appear randomly, or some random noises appear. The point of the intensity value or black intensity value, which affects the picture quality of the final output;

[0096] In the specific implementation, the above-mentioned possible image noise can be removed by the smoothing filtering method, that is, the average gray value of the pixels in the neighborhood of the image to be displayed determined by the filter mask is used to replace the average gray value of each pixel o...

no. 4 example

[0137] In this embodiment, the device further includes:

[0138] The preprocessing module 01 is used for preprocessing the current display image to remove noise pixels in the current display image.

[0139] It is understandable that after the image captured by the image sensor is usually zoomed, some black and white light and dark noises generated by the image sensor, transmission channel, decoding process, etc. may appear randomly, or some random noises appear. The point of the intensity value or black intensity value, which affects the picture quality of the final output;

[0140] In the specific implementation, the above-mentioned possible image noise can be removed by the smoothing filtering method, that is, the average gray value of the pixels in the neighborhood of the image to be displayed determined by the filter mask is used to replace the average gray value of each pixel of the image. value, which can improve the current display image when there are noise interferen...

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Abstract

The invention discloses a tracking method and device based on an electronic holder. The method comprises steps of determining the original coordinate information of a region selection frame in the current display image, predicting a target region where a tracking target in the next frame of to-be-displayed image according to the original coordinate information and the pre-moving direction, and moving the target selection frame to the target region; and receiving the to-be-displayed image grabbed by an image senor of the electronic holder, and finally outputting the target region. According to the invention, it can be achieved that when a user is using a small portable shooting device to carry out shooting, a certain target with the quite quick moving frequency in the frame can be precisely tracked and shot, so the video with the ideal image quality can be shot; user demands can be met; and user experience is improved.

Description

technical field [0001] The invention relates to the field of photography, in particular to a tracking method and device based on an electronic pan / tilt. Background technique [0002] At present, general small portable photographing devices such as portable high-definition cameras or high-resolution camera phones have basically met the needs of most users. [0003] However, with the rapid improvement of technology level, people have higher and higher requirements for camera experience. For example, when people travel, watch a sports event or performance on the spot, they need to use a small camera device that they carry with them to detect the objects in the field of vision. When taking pictures or videos of a target with a very fast moving frequency, such as a running athlete in a track and field competition or a star performing in a variety show, because the target character moves too fast, it is generally portable. The photographing device cannot accurately locate the tar...

Claims

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Application Information

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IPC IPC(8): G06K9/00
CPCG06V20/48G06V20/46
Inventor 张显志
Owner SHENZHEN AEE AVIATION TECH
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