Title :
A 48 kframe/s CMOS image sensor for real-time 3-D sensing and motion detection
Author :
Yoshimura, S. ; Sugiyama, T. ; Yonemoto, K. ; Ueda, K.
Author_Institution :
Sony-Kihara Res. Center inc., Tokyo, Japan
Abstract :
A CMOS image sensor with 192/spl times/124 pixels realizes video-rate range sensing with 500 /spl mu/m depth resolution, motion detection, and 12 b digital image output. Each pixel consists of four current copier cells as a frame memory block and a chopper comparator. The imager operates at 48 kframes/s maximum rate and dissipates 1.6 W for range sensing and 2 W for digital imaging at 3.3 V in a 0.35 /spl mu/m process.
Keywords :
CMOS image sensors; choppers (circuits); comparators (circuits); real-time systems; 0.35 micron; 1.6 W; 12 bit; 124 pixel; 192 pixel; 2 W; 23808 pixel; 3.3 V; CMOS image sensor; chopper comparator; current copier cells; depth resolution; digital image output; frame memory block; motion detection; real-time 3D sensing; video-rate range sensing; Analog-digital conversion; CMOS image sensors; Choppers; Circuits; Digital images; Image resolution; Lighting; Motion detection; Pixel; Sensor arrays;
Conference_Titel :
Solid-State Circuits Conference, 2001. Digest of Technical Papers. ISSCC. 2001 IEEE International
Conference_Location :
San Francisco, CA, USA
Print_ISBN :
0-7803-6608-5
DOI :
10.1109/ISSCC.2001.912561
