Random Access Analog Memory for Early Vision

Early-vision problems require huge amounts of computer power. The utilization of analog circuits to cope with this problem has been hampered by the lack of an efficient way to store images for a discrete amount of time. In this communication, we investigate the use of an analog memory as a full-frame buffer. Two different momories have been built using a standard CMOS-ASIC process. Measurements carried out on these circuits and an analysis of their area occupation show the advantage of using analog storage for full-frame buffers.