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Method for obtaining single image by microcomputer network camera head

A web camera, single image technology, applied in image communication, parts of color TV, parts of TV system, etc., can solve the problems of shooting parameters not being adjusted to the best parameters, delay, poor image effect, etc.

Inactive Publication Date: 2006-03-22
VIMICRO CORP
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  • Summary
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AI Technical Summary

Problems solved by technology

Therefore, if one of the first few frames of the new video stream of a single image is acquired, it is often because the shooting parameters are not adjusted to the optimal parameters, resulting in poor image quality
In order to obtain the best image, you need to wait until the camera automatically adjusts these shooting parameters, so there is a certain time delay

Method used

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  • Method for obtaining single image by microcomputer network camera head

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Embodiment Construction

[0021] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0022] Reference attached figure 1 , a microcomputer network camera to obtain a single image method, the steps are:

[0023] Step 1: Turn on the microcomputer network camera to obtain the video stream. Specifically: turn on the microcomputer network camera, obtain the handle of the camera, start to obtain the video stream in a certain video stream format, and the camera automatically adjusts the camera parameters to the best state. For example, the format of the video stream at this time is: the screen size is: 320×240, and the image format is RGB24.

[0024] Step 2: Wait for the command to capture a single image until the command is obtained and then proceed to step 3; the command to capture a single image here includes not only the command to start the capture, but also the format of the video stream of the single image. For exam...

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Abstract

This invention discloses a method for computer camera head to obtain single image, which contains 1, switching on camera head to obtain image stream, 2, waiting for command to obtain image, 3, accessing current image stream parameter, 4, temporary stopping current image stream, 5, opening new image stream, 6, setting photographic parameter in step 3 to new image stream in step 5, 7, intercepting single image from new image stream, 8 restoring temporary stopped image stream. Said invention has advantages of simple, variable image stream format, high speed and fine image quality.

Description

technical field [0001] The invention relates to a method for a microcomputer network camera to acquire a single image, in particular to a method for a microcomputer network camera to acquire a single high-quality image at high speed. technical background [0002] At present, there are two methods for capturing a single image by a microcomputer network camera. One is the traditional method, that is: since the camera itself does not have image data storage space, if the user needs a single image, directly intercept one of them and the image from the currently opened video stream, and read it by the application program into the microcomputer. The disadvantage of this method is that the size of the single image taken out can only be the same as the currently opened video stream, and the shooting parameters of the image, such as exposure parameters and white balance parameters, are also the same as the video stream. Therefore, it is not possible to obtain a single picture in di...

Claims

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Application Information

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IPC IPC(8): H04N5/232H04N5/225H04N7/24
Inventor 曹玉弟
Owner VIMICRO CORP
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