公开(公告)号：AU5045298A

公开(公告)日：1998-06-10

申请号：AU5045298

申请日：1997-11-20

Applicant: TELEVITESSE SYSTEMS INC

Inventor： HIRZALLA NAEL ,  STREATCH PAUL ,  MACLEAN ROGER ,  MENARD ROB

IPC: H04N5/14 ,  H04N7/36

公开(公告)号：CA2183280A1

公开(公告)日：1998-02-15

申请号：CA2183280

申请日：1996-08-14

Applicant: TELEVITESSE SYSTEMS INC

Inventor： REED JIM ,  MACLEAN ROGER ,  STREATCH PAUL ,  MENARD ROB

IPC: G06F16/30 ,  H04H7/04

Abstract: A system for monitoring broadcast channels, includes a device for receiving a plurality of broadcast channels, a central search engine operable to search the received channels for a match with a pre-stored profile, a central memory connected to the search engine for storing the profile, and a plurality of user terminals connected to the search engine over a network. The search engine is responsive to commands from the user terminals to store the profiles to be searched in the memory in association with the identity of the user terminal from which the command was received. A device sends an alert signal over the network when a match is found with a pre-stored profile to the user terminal associated with the pre-stored profile. The alert signal identifies the broadcast channel matching the pre-stored profile.

公开(公告)号：CA2190785A1

公开(公告)日：1998-05-20

申请号：CA2190785

申请日：1996-11-20

Applicant: TELEVITESSE SYSTEMS INC

Inventor： HIRZALLA NAEL ,  MACLEAN ROGER ,  STREATCH PAUL ,  MENARD ROB

IPC: H04N5/14 ,  H04N7/36 ,  H04N5/262

Abstract: A method of processing a video stream, involves contemporaneously selecting first and second pairs of frames in the video stream with a predetermined period . The second pairs of frames have a longer period than the first pair. For each of the first and second pairs of frames, there is determined a difference value representing the number of pixels whose value has changed between the first and second frames of the pair. A particular logic level is generated depending on whether this difference value e xceeds a predetermined threshold. The generated logic levels are then compared with a dec ision map to identify cuts in the video stream

公开(公告)号：AU3844797A

公开(公告)日：1998-03-06

申请号：AU3844797

申请日：1997-08-14

Applicant: TELEVITESSE SYSTEMS INC

Inventor： MENARD ROB ,  STREATCH PAUL ,  MACLEAN ROGER ,  REED JIM

IPC: G06F16/30 ,  G06F17/30

Abstract: A system for monitoring broadcast channels, includes a device for receiving a plurality of broadcast channels, a central search engine operable to search the received channels for a match with a pre-stored profile, a central memory connected to the search engine for storing the profile, and a plurality of user terminals connected to the search engine over a network. The search engine is responsive to commands from the user terminals to store the profiles to be searched in the memory in association with the identity of the user terminal from which the command was received. A device sends an alert signal over the network when a match is found with a pre-stored profile to the user terminal associated with the pre-stored profile. The alert signal identifies the broadcast channel matching the pre-stored profile.