| 摘要 |
PCT No. PCT/GB85/00580 Sec. 371 Date Aug. 12, 1986 Sec. 102(e) Date Aug. 12, 1986 PCT Filed Dec. 12, 1985 PCT Pub. No. WO86/03594 PCT Pub. Date Jun. 19, 1986.In an image processing system for elimination of speckle a signal derived from a scan is passed to a statistical processor (21). An output characteristic of a statistical parameter of the local value of this image signal is passed to a comparator (4) and compared with a reference characteristic of speckle to derive a control signal for a variable bandwidth filter (6) used to enhance the image. |
