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Image data processing method and device for image sensor

An image sensor and image data technology, applied in the field of image sensing, can solve the problems of large storage overhead and increased storage cost of image sensors, and achieve the effect of reducing storage capacity requirements and reducing costs

Inactive Publication Date: 2011-03-16
GALAXYCORE SHANGHAI
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AI Technical Summary

Problems solved by technology

[0007] In this case, in order to cooperate with the compression process, it is necessary to integrate a sufficient capacity of storage space in the image data processing device of the image sensor, which results in huge storage overhead
In particular, the line resolution of high-resolution image sensors is getting higher and higher, and the storage cost of image sensors has also increased sharply.

Method used

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  • Image data processing method and device for image sensor
  • Image data processing method and device for image sensor

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Embodiment Construction

[0026] The present invention will be described in detail below with reference to the accompanying drawings.

[0027] figure 2 The flow of an image data processing method of an image sensor according to an embodiment of the present invention is shown. like figure 2 As shown, the flow of the image data processing method includes:

[0028] Step S202 is executed to acquire image information in a line scan sampling manner, and cache the image information in row units.

[0029] Specifically, the image information is formed by light-sensing of the pixel array of the image sensor. The pixel array is composed of a plurality of regularly arranged pixel units, usually a rectangular array structure, which is used to lighten the image and convert the optical signal of the image into an electrical signal, thereby forming image information.

[0030] Next, the image information formed by the pixel array is collected in a line scan sampling manner. The so-called line scanning sampling m...

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Abstract

In order to solve the problem of high storage overhead in image data processing of the conventional image sensor, the invention provides an image data processing method and an image data processing device for an image sensor. The image data processing method comprises the following steps of: a, acquiring image information in a row scanning and sampling mode, and caching the image information by using a row as a unit; b, when the predetermined conditions are met, suspending the acquisition of the image information, and compressing the cached image information; and c, after the compression is finished, outputting the compressed image information, recovering the acquisition of the image information, and repeating the steps a, b and c. In the invention, the image data processing device only needs to cache the image information sampled and acquired before compression, and does not need to cache new image information during compression. Therefore, the requirement for the storage capacity of a cache module is greatly reduced, and the image data processing cost can be effectively reduced.

Description

technical field [0001] The present invention relates to the technical field of image sensing, in particular to an image data processing method and device of an image sensor. Background technique [0002] An image sensor is a semiconductor device that converts optical signals into electrical signals. Image sensors are generally classified into two categories: Charge Coupled Device (CCD) and Complementary Metal Oxide Semiconductor (CMOS) image sensors. CCD image sensors have the advantages of low read noise, large dynamic range, and high response sensitivity. However, CCD image sensors have high power consumption and complex manufacturing processes, making it difficult to achieve single-chip integration with peripheral circuits. [0003] The CMOS image sensor adopts the same CMOS technology as the signal processing circuit, which can integrate the CMOS image sensor and the signal processing circuit outside the sensor on the same chip. Compared with CCD image sensors, CMOS im...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N5/217H04N5/335H04N7/26H04N7/30H04N19/15H04N25/00
Inventor 赵立新孟庆姚烁
Owner GALAXYCORE SHANGHAI
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