| 摘要 |
<p>A camera control unit (3) selectively receives an image signal from at least one of a plurality of TV cameras (11) in accordance with an operation signal sent from a monitoring PC (4) over the Internet (6), compresses the image signal to a digital image, and transmits the compressed digital image to the monitoring PC (4) and a monitor support apparatus (5) over the Internet (6). The monitoring PC (4) decodes the digital image sent over the Internet (6), displays the decoded image on a display, and monitors an object to be monitored. The monitor support apparatus (5) successively saves the digital images sent over the Internet (6), and detects a condition variation of a specific region on the basis of the saved digital images. <IMAGE></p> |
