| 摘要 |
PCT No. PCT/FR91/01006 Sec. 371 Date Aug. 13, 1992 Sec. 102(e) Date Aug. 13, 1992 PCT Filed Dec. 13, 1991 PCT Pub. No. WO92/10907 PCT Pub. Date Jun. 25, 1992.The color video-endoscope (100) comprises in particular: a single light source (10); a bundle of optical fibers (40) for transmitting the light to a field of observation; a periodic filtering device (50) including three filters (53, 54, 55) illuminating the field of observation with three respective primary colors (R, G, B), and a fourth filter zone (56) which is transparent and through which the light also passes; a photosensitive sensor (60) for picking up an image of objects situated in the field of observation; an analog-to-digital converter (91) for digitizing the periodic information from the sensor (60) representative of color images (RGB) and of a black-and-white image (B/W), with the digital information being stored in four respective memories (81 to 84); and a color toning device (85a, 85b) selectively combining the black-and-white image information (B/W) with the color information for the purpose of reconstituting a color image of very good quality.
|
