发明名称 SUPERIMPOSING DEVICE AND DISPLAY SYSTEM
摘要 PROBLEM TO BE SOLVED: To generate a superimposed image from an image of an object and its background image in a state that the object exists under a background to be virtual reality. SOLUTION: The superimposing device to be disclosed consists of a video monitor 1 for displaying an input image signal, a video camera 2 for photographing an image displayed on the monitor 1 together with an object 100 arranged in compositing front of the monitor 1 and a video image compositing 3. The device 3 consists of a difference image generating means 13 for finding out the difference between an output image signal and an input image signal from/to the camera 2, a contour extraction means 14 for extracting a black area in the difference signal as a mark image and an image superimposing means 15 for superimposing an image obtained by masking the output image from the camera 2 by the mask image to an image corresponding to the mask image for an image formed from the input image signal and outputting the superposed image.
申请公布号 JPH11196329(A) 申请公布日期 1999.07.21
申请号 JP19970369422 申请日期 1997.12.26
申请人 NEC CORP 发明人 KATO HIROSHI
分类号 H04N5/272;G06T1/00;G06T3/00;G09G5/36;G09G5/377;(IPC1-7):H04N5/272 主分类号 H04N5/272
代理机构 代理人
主权项
地址