Camera parameter adjustment method, directed camera, and directed camera system

A technology of camera parameters and adjustment methods, applied in the field of image processing, can solve the problems of limited algorithm performance, increased equipment cost, low detection and tracking accuracy, etc., to ensure the display effect, reduce equipment cost, and improve the effect of accuracy

Inactive Publication Date: 2017-12-22
HUAWEI TECH CO LTD
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Problems solved by technology

However, the method of detection and tracking by infrared sensor is based on the two-dimensional coordinates of the object in the image collected by the camera, resulting in low detection and tracking accuracy, and because the user must wear a special infrared sensor, This will increase the cost of equipment; and the detection method using a panoramic camera is also based on the two-dimensional coordinates of the object in the image collected by the camera for detection and tracking, and it uses a simple image detection algorithm, which is limited by the performance of the algorithm. resulting in less accurate detection and tracking

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  • Camera parameter adjustment method, directed camera, and directed camera system
  • Camera parameter adjustment method, directed camera, and directed camera system
  • Camera parameter adjustment method, directed camera, and directed camera system

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[0048] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0049] It should be understood that "first", "second", etc. involved in the embodiments of the present invention are used to distinguish different objects, rather than to describe a specific order. Furthermore, the term "comprise", as well as any variations thereof, is intended to cover a non-exclusive inclusion. For example, a process, method, system, product or device comprising a series of steps or units is not limited to the listed steps or units,...

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Abstract

The embodiment of the invention discloses a camera parameter adjustment method, a directed camera, and a directed camera system. The method comprises: a first three-dimensional coordinate of a video object is obtained, wherein the first three-dimensional coordinate is a three-dimensional coordinate of the video object under a first coordinate system corresponding to the directed camera; whether a video event corresponding to the video object matches a preset trigger event is determined; if so, a shooting parameter of the directed camera is adjusted to be one corresponding to the first three-dimensional coordinate and a video image after shooting parameter adjustment is outputted. Therefore, the accuracy of object detection and tracking can be improved based on three-dimensional coordinate detection, so that the accuracy of parameter adjustment is enhanced and the equipment cost is lowered.

Description

technical field [0001] The invention relates to the technical field of image processing, in particular to a method for adjusting camera parameters, a broadcast guiding camera and a system. Background technique [0002] With the continuous development of image processing technology and the Internet, intelligent teaching systems have been widely used in various classrooms (or training, conferences, etc.). It can live broadcast or on-demand the teaching content of teachers and the interaction process between teachers and students through the live broadcast or recording platform to realize distance teaching. [0003] In the intelligent teaching system, when the camera takes pictures of teachers and students, it needs to ensure that teachers and students are in the appropriate area for taking images through motion detection and tracking. For example, teachers can wear infrared sensors and monitor teachers through cameras. Detection and tracking, or use a single panoramic camera ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T7/80
CPCG06T2207/10016H04N23/60G09B5/08H04N7/18
Inventor 刘源
Owner HUAWEI TECH CO LTD
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