Real-time correction system for serial image data training of CMOS image sensor

Abstract

The invention discloses a real-time correction system for serial image data training of a CMOS image sensor, and relates to a real-time correction system for serial image data training of a CMOS imagesensor, which can solve the problems that in the prior art, due to changes of the external environment temperature or the working voltage, serial data jump changes along the relative position, and then data sampling errors exist. A time sequence control module in a single-chip controller outputs a driving time sequence signal and a control time sequence signal which are used for charge transfer,and the signals are sent to a CMOS image sensor after passing through a driver and a level converter respectively; and the output serial image data is converted into stable parallel data with a determined output effective data position through the iodelay and the iserdes controlled by the training module and the shift register with a controllable output position, and an image data format meeting application requirements is output after the stable parallel data passes through the data conditioning module. According to the real-time correction system, monitoring adjustment is carried out in theline blanking period, it can be guaranteed that stable and reliable images are output, and normal camera shooting tasks cannot be interrupted.

Description

technical field [0001] The invention relates to a serial image data training and real-time correction system of a CMOS image sensor, in particular to a serial image data training and real-time correction method of a CMOS image sensor applied to rolling shutters and linear array detectors. Background technique [0002] After the CMOS detector is powered on and trained, occasionally some channel images will appear garbled; after re-training, the collected images are very stable. The reason for this phenomenon is that the temperature of the detector itself is different after power-on and working for a period of time, resulting in a change in the relative delay of the serial data output by the detector. After the temperature reaches equilibrium, the relative phase change of retraining can be ignored. . The timing margin of detector training mainly depends on the frequency of serial image data and the temperature variation range of the detector. In terms of training guarantees,...

AI Technical Summary

Problems solved by technology

[0003] In order to solve the problem in the prior art that the relative position of serial data transitions changes due to changes in external environment temperature or operating voltage, which in turn leads to data sampling errors, the present invention provides a serial image data set of a CMOS image sensor. real-time correction system for training

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