1. A video camera calibration system, comprising: a video conference control system for receiving a video image from a video camera having a fixed location and a variable viewing orientation with respect to a fixed object and a video calibration target, integral with the fixed object and having a known position, the video conference control system further comprising an automatic pattern recognition system for comparing said video image with a template image in which the video calibration target is shown at a location and size corresponding to a desired orientation of the video camera, the video conference control system programmed for transmitting commands to adjust the variable viewing orientation of the video camera based on the comparison of the video image with the template image until the video image matches the template image, whereby the viewing orientation of the video camera can be adjusted by aligning the position of the video calibration target in a video image produced by the video camera.