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Detecting device for stored image data in digital camera

A data detection device and image data technology, which is applied in the direction of redundant code error detection and response error generation, can solve problems such as loss, and achieve the effect of improving accuracy and strong practicability

Inactive Publication Date: 2010-05-05
CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI
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AI Technical Summary

Problems solved by technology

Since it is impossible to know whether there is frame loss or disorder in the image data, it may cause irreparable loss to the follow-up work, resulting in unpredictable consequences

Method used

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  • Detecting device for stored image data in digital camera
  • Detecting device for stored image data in digital camera
  • Detecting device for stored image data in digital camera

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Embodiment Construction

[0040] Such as figure 1 As shown, the digital camera image storage data detection device of the present invention includes an information organization device and a data analysis device.

[0041] The information organization device can directly utilize the microcomputer in the image data storage system, and realize it by compiling software. It can also be implemented by compiling programs in additionally added hardware with digital signal processing capabilities such as digital signal processors or single-chip microcomputers. The present invention directly utilizes microcomputer programming to realize.

[0042] The software process for realizing information organization in the microcomputer is as follows: figure 2 shown, including the following steps:

[0043] a. Allocate storage file space in the microcomputer;

[0044] b. Read each frame of digital image information collected, extract 1 point from the dot matrix formed by every 4 points of 1280*1024 image data, and calcu...

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Abstract

The invention relates to a detecting device for stored image data in digital camera. The device comprises an information organizing device and a data analyzing device; the information organizing device comprises a device for generating frame information according to the collected image data, and a device for overlying the generated frame information and the image data and writing into a storage file; the data analyzing device comprises a device for reading information from the storage file, a device for calculating the frame information according to the read stored image data, and a device for comparing the calculated and obtained frame information with the frame information in the storage file and outputting an image data detection result report. The invention can detect whether the stored image data lose frames or not by comparing the calculated frame information with the frame information in the storage file, thus effectively detecting the stability of an image storage system with strong practicability.

Description

technical field [0001] The invention relates to a digital camera image storage data detection device. Background technique [0002] Digital cameras used in engineering tend to have high frame rate and high resolution. This results in a huge amount of data generated in real time, and the image data bandwidth can reach hundreds of megabytes. These image data play a vital role in subsequent analysis and processing, so these data must be stored accurately in real time. [0003] Currently used image data storage systems include digital cameras, image acquisition cards, microcomputers and storage media. The digital image signal output by the digital camera is connected to the image acquisition card, and the image acquisition card sends the collected image signal to the microcomputer, which is directly stored in the storage medium through the microcomputer. Since it is impossible to know whether there is frame loss or disorder in the image data, it may cause irreparable loss to t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F11/10
Inventor 武治国王明佳李桂菊
Owner CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI
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