Abstract: The invention discloses a multi-stream video system, a video monitoring device and a multi-stream video transmission method. The multi-stream video system includes at least one video capturing device and a video monitoring device. Each video capturing device is used for generating a plurality of video streams with different video specifications at the same time. The video monitoring device forms a telecommunication to each of the video capturing devices. When the video monitoring device performs an application operation, the video monitoring device selects and receives at least one video stream from each of the video capturing devices according to a video requirement of the application operation.

Abstract: A method for executing data compression is used with a first surveillance host and a second surveillance host communicated with each other via a network. The second surveillance includes a memory device. At first, the first surveillance host compresses video signals into first compressed video data according to a first compression method and uploads the first compressed video data to the network. Next, the second surveillance host downloads the first compressed video data generated by the first surveillance host via the network. Then, the second surveillance host compresses the first compressed video data into second compressed video data according to a second compression method and stores the second compressed video data in the memory device. The second compressed video data has a higher compression ratio than the first compressed video data.

Abstract: A video surveillance system is used with a plurality of video sources and a monitor. The system includes a video surveillance control device in communication with the video sources and the monitor; and a video surveillance control program operated in the video surveillance control device for controlling the video surveillance control device to output a display signal to the monitor, thereby showing a user interface on the monitor. A user interface editor is provided in the video surveillance control device for allowing a user to edit the user interface according to his or her demand.

Abstract: A surveillance system having auto-adjustment functionality is described. The surveillance system includes a motion detection module and a video processing module. The motion detection module detects real-time video data and determines whether the video data is in a motion status. When the real-time video data is in the motion status, the video processing module records the real-time video data into a storage medium with a first resolution. When the real-time video data is not in the motion status, the video processing module records the real-time video data into the storage medium with a second resolution.

Abstract: A video data process conformation wherein the noise reduction is implemented by a program. The conformation comprises a video decoder and a digital data process system, and a noise reduction program is executed in the digital data process system. The video decoder converts an external analog video data to a digital video data. Then, the digital video data is transmitted into the digital data processing system via a data transmission interface of the digital data processing system, and the noise data of the digital video data is then filtered by the noise reduction program.

Abstract: A method for rapid and precise detecting of an omnidirectional postnet bar code on an object by digital signal processing is provided. In order to rapidly and accurately detect omnidirectional postnet bar codes, a two-dimensional digital image containing the postnet bar code is acquired, filtered and dilated to form a block dominated by a plurality of black-colored pixels. Then a down sampled image is provided and match filtered with a two-dimensional matched filtering output to indicate a best-matched filter, thus determining a postnet bar code location and orientation by associating matched filters with an orientation angle of the omnidirectional postnet bar code.