16 January 2006 3D display technique for moving pictures from web cameras using screen pixel access
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This paper presents a technique to display real-time 3-D images captured by web cameras on the stereoscopic display of a personal computer (PC) using screen pixel access. Images captured by two side-by-side web cameras are sent through the Internet to a PC and displayed in two conventional viewers for moving images. These processes are carried out independently for the two cameras. The image data displayed in the viewer are in the video memory of the PC. Our method uses this video-memory data, i.e., the two web-camera images are read from the video memory, they are composed as a 3-D image, and then it is written in the video memory again. A 3-D image can be seen if the PC being used has a 3-D display. We developed an experimental system to evaluate the feasibility of this technique. The web cameras captured up to 640 × 480 pixels of an image, compressed it with motion JPEG, and then sent it over a LAN. Using an experimental system, we evaluated that the 3-D image had almost the same quality as a conventional TV image by using a broadband network like ADSL.
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T. Hasegawa, T. Hasegawa, T. Namiki, T. Namiki, H. Unno, H. Unno, K. Uehira, K. Uehira, H. Kasuga, H. Kasuga, K. Yanaka, K. Yanaka, "3D display technique for moving pictures from web cameras using screen pixel access", Proc. SPIE 6061, Internet Imaging VII, 60610M (16 January 2006); doi: 10.1117/12.641570; https://doi.org/10.1117/12.641570


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