IMAGE-ENHANCEMENT WITH POLYMER GRID TRIODE ARRAYS

被引:26
作者
HEEGER, AJ
HEEGER, DJ
LANGAN, J
YANG, Y
机构
[1] UNIAX CORP, 6780 CORTONA RD, SANTA BARBARA, CA 93117 USA
[2] STANFORD UNIV, DEPT PSYCHOL, STANFORD, CA 94305 USA
关键词
D O I
10.1126/science.270.5242.1642
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
An array of polymer grid triodes connected by a common grid functions as a ''plastic retina,'' providing local contrast gain control for image enhancement. This simple device, made from layers of conducting polymers, functions as an active resistive network that performs center-surround filtering. The polymer grid triode array with common grid is a continuous analog of the discrete approach of Mead, with a variety of fabrication advantages and significant savings in area within the unit cell of each pixel.
引用
收藏
页码:1642 / 1644
页数:3
相关论文
共 9 条
[1]  
[Anonymous], 1989, ANALOG VLSI NEURAL S
[2]  
KOCH C, 1994, VISION CHIPS IMPLEME
[3]   CARRIER TUNNELING AND DEVICE CHARACTERISTICS IN POLYMER LIGHT-EMITTING-DIODES [J].
PARKER, ID .
JOURNAL OF APPLIED PHYSICS, 1994, 75 (03) :1656-1666
[4]   TRANSPORT IN POLYANILINE NETWORKS NEAR THE PERCOLATION-THRESHOLD [J].
REGHU, M ;
YOON, CO ;
YANG, CY ;
MOSES, D ;
SMITH, P ;
HEEGER, AJ ;
CAO, Y .
PHYSICAL REVIEW B, 1994, 50 (19) :13931-13941
[5]  
SZE SM, 1981, PHYSICS SEMICONDUCTO
[6]   METAL-POLYMER SCHOTTKY BARRIERS ON CAST FILMS OF SOLUBLE POLY(3-ALKYLTHIOPHENES) [J].
TOMOZAWA, H ;
BRAUN, D ;
PHILLIPS, S ;
HEEGER, AJ ;
KROEMER, H .
SYNTHETIC METALS, 1987, 22 (01) :63-69
[7]  
YANG Y, Patent No. 8227979
[8]  
YANG Y, 1994, NATURE, V372, P244
[9]   SEMICONDUCTING POLYMER DIODES - LARGE-SIZE, LOW-COST PHOTODETECTORS WITH EXCELLENT VISIBLE-ULTRAVIOLET SENSITIVITY [J].
YU, G ;
PAKBAZ, K ;
HEEGER, AJ .
APPLIED PHYSICS LETTERS, 1994, 64 (25) :3422-3424