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Equipment and method for detecting image viewfinding device

A technology of image capture device and detection equipment, which is applied in the direction of image communication, color TV parts, TV system parts, etc., can solve problems such as lack of uniformity, rising manufacturing costs, errors, etc., and achieve the effect of efficient detection

Inactive Publication Date: 2008-12-24
郝春霞
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  • Abstract
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  • Claims
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Problems solved by technology

[0004] However, for manufacturers, how to test the image capture device on the production line so that its shooting quality can reach a certain level has always been an important issue.
With traditional technology, manufacturers need to purchase many complex and expensive instruments to test the shooting quality of image capture devices
This not only increases the manufacturing cost, but also the operation process is complicated and time-consuming, which is not suitable for execution on the production line
And if it is identified manually, there is no uniform standard, so that there is a considerable error

Method used

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  • Equipment and method for detecting image viewfinding device
  • Equipment and method for detecting image viewfinding device
  • Equipment and method for detecting image viewfinding device

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Embodiment Construction

[0015] FIG. 1 is an internal block diagram of a detection device of an image capture device according to a preferred embodiment of the present invention. Referring to FIG. 1 , the detection apparatus 100 of the present invention can be used to detect the shooting quality of the image capture device 140 . In this embodiment, the image capturing device 140 may be a static image capturing device, such as a digital camera, a color / black and white photocopier, a multifunction machine, a facsimile machine, etc., or a dynamic image capturing device, such as Digital video cameras, network cameras, etc.

[0016] The detection device 100 provided by the present invention includes a watermark embedding module 110 and an analysis module 120, which are coupled to each other. The watermark embedding module 110 is used for generating a test image TE0 with a digital watermark to the image capturing device 140 for shooting. The analysis module 120 receives and analyzes the test pattern TE1 o...

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Abstract

The invention discloses a method for detecting an image acquisition device, and the method comprises the step that a test pattern embedded with a digital watermark is produced for shooting the image acquisition device. Additionally, the test pattern output by the image acquisition device is also received and the digital watermark processed by the image acquisition device is extracted from the test pattern by the invention, thereby the extracted digital watermark can be compared with the original digital watermark and the shooting quality of the image acquisition device is determined based on the comparative results.

Description

technical field [0001] The present invention relates to a detection method of an image capture device, and more particularly, to a detection method of an image capture device using digital watermarking. Background technique [0002] In recent years, with the great progress of digital technology and the high development of Internet and multimedia technology, many images are expected to be converted into digital images for processing. Therefore, image capture devices such as digital cameras (Digital Cameras), digital video recorders (DVRs), and web cameras (Web Cams) are used to directly capture physical scenes and convert them into digital image data output for the convenience of users. On a computer or other electronic products, the display, recognition (OCR), editing, storage and output of digital image files are performed. [0003] Due to the use of digital image capture devices to directly capture physical scenes, compared with traditional devices, in addition to digital...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N17/00H04N5/225
Inventor 陈志贤詹鑫杰
Owner 郝春霞
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