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A method and system for image event detection and marking

An event detection and image technology, applied in the direction of image communication, TV system components, electrical components, etc., can solve the problems of increasing the realization cost of the imaging system, wasting storage capacity and extra transmission bandwidth, etc., to facilitate hardware migration and reduce data. Effects of transmission bandwidth and storage capacity, high data processing power

Active Publication Date: 2019-09-27
INST OF SEMICONDUCTORS - CHINESE ACAD OF SCI
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Problems solved by technology

At the same time, redundant data (such as background data) in the image data is not concerned by analysts, but a large amount of storage capacity and additional transmission bandwidth are wasted, which greatly increases the implementation cost of the imaging system.

Method used

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  • A method and system for image event detection and marking
  • A method and system for image event detection and marking
  • A method and system for image event detection and marking

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Embodiment Construction

[0019] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with specific embodiments and with reference to the accompanying drawings.

[0020] figure 1 It is a block diagram of an image event detection and marking system according to an embodiment of the present invention.

[0021] Such as figure 1 As shown, the system includes a state register unit, a data distributor, an S-O-F inserter, an event detection unit, and a code stream synthesizer.

[0022] According to an embodiment of the present invention, the state register unit includes: P (Pixel, pixel) loop counter, L (Line, row) loop counter, F (Frame, frame) increment counter, and threshold value register, its input terminal and image data source It is connected to the setting input, and its output is connected to the data distributor, event detection unit, S-O-F (frame header) inserter and code str...

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Abstract

The invention discloses an image event detection and labeling method, which outputs image event detection data after processing the original image data stream, including: acquiring the first frame of image data in the original image data stream; A frame of image data, perform the following operations: replace the dark pixel line data of the frame image with a standard alignment code; calculate the residual difference between the effective pixel line of the frame image and the corresponding pixel line of the previous frame image; Output the event detection data of all pixels in the current pixel row according to the range to which the residual error belongs, until all effective pixel rows of the current frame have undergone the above-mentioned processing; and when all the image data of the original image data stream have undergone the above-mentioned processing, output the original The image data of the first frame, and the standard alignment code and event detection data of the remaining frames of images.

Description

technical field [0001] The invention relates to the technical field of image information processing, in particular to an image event detection and marking method and system. Background technique [0002] Image sensors have been widely used in various fields such as scientific research, industrial production, medical and health care, and national defense and military affairs. With the continuous improvement of image resolution and image frame rate, humans can observe more subtle object features or more transient physical phenomena, which greatly enriches human observation methods and improves human cognition. [0003] However, with the rapid improvement of image performance parameters, it also brings a huge challenge that the amount of image data and data transmission bandwidth increase exponentially. Massive image data and ultra-high data transmission bandwidth have brought a series of technical challenges to subsequent transmission, storage, and processing. [0004] At pr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N5/14H04N5/217
CPCH04N5/147H04N25/63
Inventor 秦琦王加庆吴南健
Owner INST OF SEMICONDUCTORS - CHINESE ACAD OF SCI
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