Row selection column arbitration AER image sensor event transmission device and row selection column arbitration AER image sensor event transmission method

Abstract

The invention relates to the field of analog integrated circuit design, is used for omitting a row arbitration structure and reducing arbitration time, can save row selection time through row selection signals adaptive to duration, further reduces delay and improves work speed. For such purpose, a technical scheme used in the invention is that a row selection column arbitration AER image sensor event transmission device and a row selection column arbitration AER image sensor event transmission method are provided, the device and the method are realized through a pixel array, a row selection module, a column arbitration module and a row and column coding module, events are generated through pixel array sensitization, when the row selection module generates the k row row-selection signals, the row and column coding module performs address coding and judges the number of the k row events, then, the column arbitration module performs column request signal arbitration, and the row and column coding module performs row and column address coding for the signals selected, tidies the row and line address signals and sends out a request signal. The method and the device provided by the invention are mainly used for design and manufacturing occasions of the analog integrated circuit.

Description

technical field [0001] The invention relates to the field of analog integrated circuit design, in particular to the field of image sensor readout circuits, and the method is applied to AER (Address-event Representation, AER) image sensor data transmission. Specifically, it relates to a row selection and column arbitration AER image sensor event transmission device and method. Background technique [0002] Nowadays, image sensors have been applied to all fields of people's lives, and people are also pursuing image sensors with higher resolution, lower power consumption and faster speed. However, each frame of the traditional frame rate image sensor contains a large amount of redundant data, which restricts the improvement of its working speed. Therefore, scientists have developed a bionic AER asynchronous image sensor, which only outputs changing pixels, which improves the working speed while reducing a large amount of data. It can be applied to areas with high speed requir...

AI Technical Summary

Problems solved by technology

[0003] The event transmission method of traditional AER image sensor row and column arbitration takes a long time for arbitration processing. When an event is transmitted for a certain pixel, the rest of the pixels are waiting to be processed. The waiting time increases with the increase of the pixel array and event rate.

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