Title :
Image acquisition and reduction dedicated to a visual implant
Author :
Harvey, Jean-Franpis ; Sawan, Mohamad
Author_Institution :
Dept. of Electr. & Comput. Eng., Ecole Polytech., Montreal, Que., Canada
fDate :
31 Oct-3 Nov 1996
Abstract :
This paper describes a new miniaturized visual implant. Special attention has been paid to the external part of the device. This part acquires the scene, processes the digital information to adequately reduce the image and communicates necessary command words to the occipital cortical implant via a radio-frequency (RF) coupled technique. The completed prototype allows to test various stimulation algorithms and strategies
Keywords :
CCD image sensors; biomedical electronics; handicapped aids; image coding; image enhancement; image processing equipment; medical image processing; prosthetics; sensory aids; ADC; CCD frame-transfer image sensor; FIFO buffered bus; RF coupled technique; command words; dedicated FPGA; external system; histogram equalization; image acquisition; image enhancement; image reduction; miniaturized visual implant; occipital cortical implant; partial vision restoration; sample and hold circuit; scene acquisition; stimulation algorithms; synchronization signals; visual microstimulator; visual prosthesis; Charge coupled devices; Digital images; Electrodes; Implants; Layout; Pixel; Proportional control; Prototypes; Retina; Testing;
Conference_Titel :
Engineering in Medicine and Biology Society, 1996. Bridging Disciplines for Biomedicine. Proceedings of the 18th Annual International Conference of the IEEE
Conference_Location :
Amsterdam
Print_ISBN :
0-7803-3811-1
DOI :
10.1109/IEMBS.1996.657014
