Hardware partial frame elimination in a sensor interface

摘要

A method for synchronizing a first circuit to an electro-optical sensor is disclosed. The method generally includes steps (A) to (D). Step (A) may generate with the first circuit a configuration signal that conveys a request to capture at least one frame of a plurality of periodic frames. Step (B) may receive the periodic frames at a second circuit from the electro-optical sensor. Step (C) may discard a first frame of the periodic frames where the first frame precedes the request. Step (D) may store a plurality of active pixels in a second frame of the periodic frames in a memory where the second frame follows the request. The second circuit is generally a hardware implementation.

主权项

1. A method for partial frame elimination, comprising the steps of:
(A) sampling a plurality of frames of video in a first circuit; (B) discarding a first of said frames by default using a second circuit, wherein (i) said first frame precedes a reception by said second circuit of a request to capture at least one of said frames and (ii) said first frame is a partial frame less than a full frame when received by said second circuit; and (C) processing a second of said frames by either discarding said second frame or transferring at least a portion of said second frame out of said second circuit depending on a partial or full condition of said second frame and a capture or not capture state of said request.