发明名称 |
MOTIONLESS ADAPTIVE STEREOSCOPIC SCENE CAPTURE WITH TUNEABLE LIQUID CRYSTAL LENSES AND STEREOSCOPIC AUTO-FOCUSING METHODS |
摘要 |
A motionless adaptive focus stereoscopic scene capture apparatus employing tunable liquid crystal lenses is provided. The apparatus includes at least two image sensors preferably fabricated as a monolithic stereo image capture component and at least two corresponding tunable liquid crystal lenses preferably fabricated as a monolithic focus adjustment component. Using a variable focus tunable liquid crystal lens at each aperture stop provides constant magnification focus control. Controlled spatial variance of a spatially variant electric field applied to the liquid crystal of each tunable liquid crystal lens provides optical axis shift enabling registration between stereo images. A controller implements coupled auto-focusing methods employing multiple focus scores derived from at least two camera image sensors and providing multiple tunable liquid crystal lens drive signals for synchronous focus acquisition of a three dimensional scene. Wafer manufacture provides a compact stereoscopic image capture apparatus for endoscopic surgery, optical inspection and entertainment applications. |
申请公布号 |
US2012140037(A1) |
申请公布日期 |
2012.06.07 |
申请号 |
US201113311377 |
申请日期 |
2011.12.05 |
申请人 |
GALSTIAN TIGRAN;CLARK PETER P.;VENKATRAMAN SURESH;LENSVECTOR, INC. |
发明人 |
GALSTIAN TIGRAN;CLARK PETER P.;VENKATRAMAN SURESH |
分类号 |
A61B1/04;H04N13/02 |
主分类号 |
A61B1/04 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|