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公开(公告)号：ES2091191T3
公开(公告)日：1996-11-01
申请号：ES89113972
申请日：1989-07-28
Applicant: NIELSEN A C CO
Inventor： LU DAOZHENG
IPC: G06K9/00 , G06K9/66 , G06T7/00 , H04H1/00 , H04H60/45 , H04H60/59 , H04N7/173 , H04N7/26 , H04N21/422 , H04H9/00
Abstract: An image recognition system (10) is provided for identifying predetermined individual members of a viewing audience in a monitored area. A pattern image signature is extracted (98) and is stored (100) corresponding to each predetermined individual member of the viewing audience to be identified. An audience scanner (12) includes audience locating circuitry (30, 18) for locating individual audience members in the monitored area. A video image (28A, 22A) is captured (12, 18, 22) for each of the located individual audience members in the monitored area. A pattern image signature is extracted (110) from the captured image. The extracted pattern image signature is compared (112, 114) with each of the stored pattern image signatures (100) to identify a particular one of the predetermined audience members. These steps are repeated to identify all of the located individual audience members in the monitored area.
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公开(公告)号：DE68918209T2
公开(公告)日：1995-02-02
申请号：DE68918209
申请日：1989-07-28
Applicant: NIELSEN A C CO
Inventor： LU DAOZHENG
IPC: H04N5/91 , G06K9/00 , G06T7/00 , G09G5/14 , H04H1/00 , H04H60/45 , H04N7/18 , H04N17/00 , H04H9/00
Abstract: An image recognition system (10) and method are provided for identifying a pattern of a plurality of predetermined patterns in a video image. A plurality of feature image signatures are extracted (84) and the stored (86) corresponding to each of the plurality of predetermined patterns. A universal feature image signature is extracted (84) and is stored (88) that includes each of the stored feature image signatures. A predetermined series of portions of a captured video image (28A) is sequentially compared (100, 102) with the universal feature image signature to identify matching portions. Each of the identified matching video image portions is compared (104, 108) with the stored feature image signatures to identify the predetermined pattern.
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公开(公告)号：CA1325480C
公开(公告)日：1993-12-21
申请号：CA604168
申请日：1989-06-28
Applicant: NIELSEN A C CO
Inventor： LU DAOZHENG
IPC: H04N5/91 , G06K9/00 , G06T7/00 , G09G5/14 , H04H1/00 , H04H60/45 , H04N7/18 , H04N17/00 , G06K9/68
Abstract: IMAGE RECOGNITION SYSTEM AND METHOD An image recognition system and method are provided for identifying a pattern of a plurality of predetermined patterns in a video image. A plurality of feature image signatures are stored corresponding to each of the plurality of predetermined patterns. A universal feature image signature is stored that includes each of the stored feature image signatures. A predefined series of portions of a captured video image is sequentially compared with the universal feature image signature to identify matching portions. Each of the identified matching video image portions is compared with the stored feature image signatures to identify the predetermined pattern.
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公开(公告)号：AT44849T
公开(公告)日：1989-08-15
申请号：AT85104566
申请日：1985-04-16
Applicant: NIELSEN A C CO
Inventor： KIEWIT DAVID A , LU DAOZHENG
IPC: H04B1/06 , G06K9/00 , G11B27/28 , H04B1/16 , H04H60/31 , H04H60/37 , H04H60/59 , H04N17/00 , H04H9/00
Abstract: A system for identifying signals such as signals representative of television programs received from various sources detects the occurrence of predetermined events such as scene changes in the video signal and extracts a signature from the signal. The signatures and the times of occurrence of the signature are stored and subsequently compared with reference signatures to identify the signal. The signature may be compared in pairs to increase resolution, and the time interval between events or signatures may also be used to identify the signal, either by themselves or in conjunction with the signatures.
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公开(公告)号：BR8603507A
公开(公告)日：1987-03-04
申请号：BR8603507
申请日：1986-07-25
Applicant: NIELSEN A C CO
Inventor： LERT JOHN G JR , LU DAOZHENG
IPC: G06K9/00 , H04H20/28 , H04H60/37 , H04H60/58 , H04H60/59 , H04N5/765 , H04N7/08 , H04N7/088 , H04N7/00 , H04H9/00
Abstract: A method and apparatus for identifying repetitively broadcast programs, such as commercial advertisements broadcast on television and radio, detects the occurrence of predetermined events in a video signal and/or in an audio signal, detects a stability condition and extracts a signature from the video and/or audio signal. The signatures and the times of occurrence of the signatures are stored and subsequently compared with reference signatures to identify the program and its time of broadcast. The reference signatures may be obtained by identifying repetitively extracted, unidentified signatures and indexing a recording of the video and/or audio signals to enable the system user to identify the unidentified broadcast program and store the previously unidentified signatures as additional reference signatures in memory.
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Patent Agency Ranking
公开(公告)号：BR8501964A
公开(公告)日：1985-12-24
申请号：BR8501964
申请日：1985-04-25
Applicant: NIELSEN A C CO
Inventor： KIEWIT DAVID A , LU DAOZHENG
IPC: H04B1/06 , G06K9/00 , G11B27/28 , H04B1/16 , H04H60/31 , H04H60/37 , H04H60/59 , H04N17/00 , H04Q9/00
Abstract: A system for identifying signals such as signals representative of television programs received from various sources detects the occurrence of predetermined events such as scene changes in the video signal and extracts a signature from the signal. The signatures and the times of occurrence of the signature are stored and subsequently compared with reference signatures to identify the signal. The signature may be compared in pairs to increase resolution, and the time interval between events or signatures may also be used to identify the signal, either by themselves or in conjunction with the signatures.
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公开(公告)号：AT143156T
公开(公告)日：1996-10-15
申请号：AT89113972
申请日：1989-07-28
Applicant: NIELSEN A C CO
Inventor： LU DAOZHENG
IPC: G06K9/00 , G06K9/66 , G06T7/00 , H04H1/00 , H04H60/45 , H04H60/59 , H04N7/173 , H04N7/26 , H04N21/422 , H04H9/00
Abstract: An image recognition system (10) is provided for identifying predetermined individual members of a viewing audience in a monitored area. A pattern image signature is extracted (98) and is stored (100) corresponding to each predetermined individual member of the viewing audience to be identified. An audience scanner (12) includes audience locating circuitry (30, 18) for locating individual audience members in the monitored area. A video image (28A, 22A) is captured (12, 18, 22) for each of the located individual audience members in the monitored area. A pattern image signature is extracted (110) from the captured image. The extracted pattern image signature is compared (112, 114) with each of the stored pattern image signatures (100) to identify a particular one of the predetermined audience members. These steps are repeated to identify all of the located individual audience members in the monitored area.
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公开(公告)号：CA2212816A1
公开(公告)日：1996-09-06
申请号：CA2212816
申请日：1996-02-12
Applicant: NIELSEN A C CO
Inventor： KIEWIT DAVID A , LU DAOZHENG , DOUGHERTY ROBERT A , WHEELER HENRY B , AUST EDGAR W
Abstract: In the present invention, ancillary data is modulated onto a carrier frequency which is within a low energy density portion of a frequency band of a video signal, and the modulated carrier data (44) is combined with the video signal (46) so that the modulated carrier is either in an active video region or in an overscan region of the video signal. The ancillary data may be spread over several frequencies and summed at the output of a decoder to enhance the legibility of the ancillary data at the output of the decoder. Frequencystepping may be used to add the ancillary data at ones of a plurality of selected frequencies within the frequency band of the video signal. Then ancillary data may be hierarchically apportioned between respective uniquely specified sequential segments corresponding to many distribution points of the video signal.
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公开(公告)号：CA2155815A1
公开(公告)日：1996-03-22
申请号：CA2155815
申请日：1995-08-10
Applicant: NIELSEN A C CO
Inventor： LU DAOZHENG , COOK BARRY P
Abstract: A correlation meter is disclosed for determining tuning status of a tunable receiver. The correlation meter receives an output of the tunable receiver, such as an acoustic audio output of the tunable receiver. An analog to digital converter converts the output of the tunable receiver to a digital sample side representation. An antenna or other signal collector receives reference side representations corresponding to channels to which the tunable receiver may be tuned. The correlation meter correlates the digital sample side representation and the reference side representations as the reference side representations are received by the correlation meter in order to determine the tuning status of the tunable receiver.
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公开(公告)号：CA2110866A1
公开(公告)日：1994-06-16
申请号：CA2110866
申请日：1993-12-07
Applicant: NIELSEN A C CO
Inventor： LU DAOZHENG , SHAGRIN CERIL T , THOMAS WILLIAM L , LEE MORRIS , BERNARD BRUCE , ZHANG JIA
Abstract: In a passive identification apparatus for identifying a predetermined individual member of a television viewing audience in a monitored viewing area, a video image of a monitored viewing area is captured. A template matching score is provided for an object in the video image. A Eigenface recognition score is provided for an object in the video image. These scores may be provided by comparing objects in the video image to reference files. The template matching score and the Eigenface recognition score are fused to form a composite identification record from which a viewer may be identified. Body shape matching, viewer tracking, viewer sensing, and/or historical data may be used to assist in viewer identification. The reference files may be updated as recognition scores decline.
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