Method and device for preprocessing raw data of a camera, and storage medium

By implementing the preprocessing method on the image sensor of the camera, reducing the resolution of the original data of the camera, solving the problem of processing a large amount of data in the image processing device, and achieving more efficient storage and transmission bandwidth usage.

CN112449124BActive Publication Date: 2025-03-21ROBERT BOSCH GMBH
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Patent Information

Application Number
CN202010928965.2
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Priority Date
2019-09-05
Filing Date
2020-09-07
Publication Date
2025-03-21
Estimated Expiration
2040-09-07

AI Technical Summary

Technical Problem

The prior art is difficult to process a large amount of camera raw data in an image processing device, resulting in an increase in storage and transmission bandwidth and difficult to meet the needs of high resolution and high sampling rates.

Method used

By implementing the preprocessing method on the image sensor of the camera, including reading, setting, reducing and output steps, the resolution of the original data of the camera is reduced by using the preprocessing algorithm to match the application requirements of the image processing device.

Benefits of technology

Preprocessing of the camera raw data before the image processing device is realized, reducing storage and transmission bandwidth, and improving data processing efficiency, and being able to process more data in a short time.

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Abstract

The present invention relates to a method for preprocessing camera raw data (110) of an image sensor (115) of a camera (120), comprising the following steps: a reading step, a setting step, a reduction step and an output step. In the reading step, a raw data signal (150) including the camera raw data detected by the image sensor at a detection moment is read. In the setting step, a preprocessing algorithm (160) for reducing the resolution of the camera raw data is set using a setting signal (155, 170). In the reduction step, the resolution of the camera raw data is reduced using the preprocessing algorithm set in the setting step to obtain a preprocessed camera signal (165) representing a preprocessed camera image. In the output step, the preprocessed camera signal is output to an image processing device (125). The present invention also relates to a corresponding method and a machine-readable storage medium.
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