Name
Title | ||
|---|---|---|
A QVGA-size CMOS time-of-flight range image sensor with background light charge draining structure |
Abstract | ||
|---|---|---|
3-D imaging systems can be used in a variety of applications such as in automobile, medicine, robot vision systems, security and so on. Recently many kinds of range finding methods have been proposed for 3-D imaging systems. This paper presents a new type of CMOS range image sensor based on the Time-of-Flight (TOF) principle with a spatial resolution of 336 x 252 (QVGA) and pixels of 15 x 15 mu m(2) size. A pixel structure of the sensor consists of single layer polysilicon gates on thick field oxide and has a function of background light induced charge reduction. The chip was fabricated in a 0.35 mu m standard CMOS process with two poly and three metal layers. The presented sensor achieves a minimum range resolution of 2.8cm at framerate of 30fps and the resolution is improved to 4.2mm for 10 frames averaging, which corresponds to 3fps. |
Year | DOI | Venue |
|---|---|---|
2006 | 10.1117/12.642022 | PROCEEDINGS OF THE SOCIETY OF PHOTO-OPTICAL INSTRUMENTATION ENGINEERS (SPIE) |
Keywords | Field | DocType |
Time-of-Flight,3-D image,charge draining structure,QVGA,near-infrared LED | Image sensor,Electrostatic induction,Stereoscopy,Optics,Chip,CMOS,Pixel,Time of flight,Image resolution,Materials science | Conference |
Volume | ISSN | Citations |
6056 | 0277-786X | 2 |
PageRank | References | Authors |
0.42 | 0 | 6 |
Name | Order | Citations | PageRank |
|---|---|---|---|
| takeo ushinaga | 1 | 2 | 0.42 |
| Izhal Abdul Halin | 2 | 9 | 2.87 |
| tomonari sawada | 3 | 2 | 0.42 |
| Shoji Kawahito | 4 | 270 | 67.13 |
| Mitsuru Homma | 5 | 3 | 1.49 |
| yasunari maeda | 6 | 2 | 0.42 |