Patent US5347431A successfully refreshed from Google Patents.
Patent US7739598B2 successfully refreshed from Google Patents.
US7739598B2
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US
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Media handling system
Assignee: Sony United Kingdom Ltd
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Filing: 2003-11-28
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Granted: 2010-06-15
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Expires: 2023-11-28
Abstract
Abstract A media handling system in which candidate video sequences are displayed on a display screen in schematic form for selection by a user comprises means for detecting human faces in the candidate video sequences; a display screen for displaying representations of the candidate video sequences for selection by a user, each representation including one or more images representing human faces derived from the respective video sequences; and a user control for defining a set of one or more of the video sequences.
Inventors
- 👤 Robert Mark Stefan Porter
- 👤 Morgan William Amos David
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 12:36
CPC Classifications
H; H04; H04N; H04N21/00; H04N21/80; H04N21/85; H04N21/854; G; G06; G06F; G06F18/00; G06V; G06V40/00; G06V40/10; G06V40/16; G06V40/161; G11; G11B; G11B27/00; G11B27/02; G11B27/031; G11B27/034; G11B27/10; G11B27/19; G11B27/28; G11B27/34; H04N21/20; H04N21/23; H04N21/234; H04N21/23418
Claims Analysis
Total Claims: 17
Claim 1
Independent Claim
222 words
A media handling system in which candidate video sequences are displayed on a display screen in schematic form for selection by a user, the system comprising: user control means for defining a set of one or more of the video sequences; detecting means for detecting human faces in the candidate video sequences, for detecting a probability of a human face being present in each field or frame of the video sequences, and for weighting at least some of the detected probability levels depending on the size of the detected face, each one of the weighted probability levels corresponds with a respective face size stored in a look-up table; and a display screen configured to display at least one representation of the candidate video sequences for selection by the user, each representation of the candidate video sequence including one or more images representing human faces derived from the respective video sequences and having the highest weighted probability levels amongst the respective video sequences, wherein the detector means weights the probability levels based on the correspondence between each one of the weighted probability levels and the respective face sizes as defined by the look-up table, such that detected faces closer in size to a preferred representation size are presented to the user for selection thereof as the displayed representation of the candidate video sequence.
Claim 2
Dependent Claim
222 words
A media handling system in which candidate video sequences are displayed on a display screen in schematic form for selection by a user, the system comprising: user control means for defining a set of one or more of the video sequences; detecting means for detecting human faces in the candidate video sequences, for detecting a probability of a human face being present in each field or frame of the video sequences, and for weighting at least some of the detected probability levels depending on the size of the detected face, each one of the weighted probability levels corresponds with a respective face size stored in a look-up table; and a display screen configured to display at least one representation of the candidate video sequences for selection by the user, each representation of the candidate video sequence including one or more images representing human faces derived from the respective video sequences and having the highest weighted probability levels amongst the respective video sequences, wherein the detector means weights the probability levels based on the correspondence between each one of the weighted probability levels and the respective face sizes as defined by the look-up table, such that detected faces closer in size to a preferred representation size are presented to the user for selection thereof as the displayed representation of the candidate video sequence.
Claim 3
Dependent Claim
28 words
A system according to claim 1 , wherein the set of one or more of the video sequences is an ordered edited set forming an output media product.
Claim 4
Dependent Claim
57 words
A system according to claim 2 , further comprising: means for displaying, on the display screen, a further ordered representation of a group of at least a subset of the video sequences forming the output media product, the ordered representation including one or more images representing human faces derived from the respective video sequences in the group.
Claim 5
Dependent Claim
39 words
A system according to claim 3 , wherein the ordered representation is a timeline representation, providing an ordered representation of the group of video sequences forming the output media product along a generally rectilinear path on the display screen.
Claim 6
Dependent Claim
37 words
A system according to claim 3 , wherein the ordered representation may be scaled so as to vary the proportion of the video sequences forming the output media product which are currently displayed in the ordered representation.
Claim 7
Dependent Claim
26 words
A system according to claim 1 , wherein the detecting means applies the weighting over a subset of the fields or frames of a video sequence.
Claim 8
Dependent Claim
27 words
A system according to claim 6 , wherein the detecting means applies the weighting over an initial subset of the fields or frames of a video sequence.
Claim 9
Dependent Claim
22 words
A system according to claim 1 , wherein each candidate video sequence is a sequence over which a face has been detected.
Claim 10
Dependent Claim
25 words
A system according to claim 8 , wherein selection of a displayed representation by the user control causes the display of the corresponding video sequence.
Claim 11
Dependent Claim
23 words
A system according to claim 1 , wherein the candidate video sequences are selected from a video sequence captured by a surveillance camera.
Claim 12
Dependent Claim
30 words
A system according to claim 1 , wherein the user control means indicates that faces detected in two or more of the candidate video sequences represent a same person's face.
Claim 13
Independent Claim
210 words
A method of media handling in which candidate video sequences are displayed on a display screen in schematic form for selection by a user, the method comprising: detecting human faces in the candidate video sequences; detecting a probability of a human face being present in each field or frame of the video sequences; weighting at least some of the detected probability levels depending on the size of the detected face, each one of the weighted probability levels corresponds with a respective face size stored in a look-up table; displaying on a display screen at least one representation of the candidate video sequences for selection by the user, each representation of the candidate video sequences including one or more images representing human faces derived from the respective video sequences and having the highest weighted probability levels amongst the respective video sequences; defining a set of one or more of the video sequences; and weighting the probability levels based on the correspondence between each one of the weighted probability levels and the respective face sizes as defined by the look-up table, such that detected faces closer in size to a preferred representation size are presented to the user for selection thereof as the displayed representation of the of the candidate video sequences.
Claim 14
Independent Claim
210 words
A method of media handling in which candidate video sequences are displayed on a display screen in schematic form for selection by a user, the method comprising: detecting human faces in the candidate video sequences; detecting a probability of a human face being present in each field or frame of the video sequences; weighting at least some of the detected probability levels depending on the size of the detected face, each one of the weighted probability levels corresponds with a respective face size stored in a look-up table; displaying on a display screen at least one representation of the candidate video sequences for selection by the user, each representation of the candidate video sequences including one or more images representing human faces derived from the respective video sequences and having the highest weighted probability levels amongst the respective video sequences; defining a set of one or more of the video sequences; and weighting the probability levels based on the correspondence between each one of the weighted probability levels and the respective face sizes as defined by the look-up table, such that detected faces closer in size to a preferred representation size are presented to the user for selection thereof as the displayed representation of the of the candidate video sequences.
Claim 15
Dependent Claim
27 words
A computer readable storage medium encoded with a computer readable program configured to cause an information processing apparatus to execute the method according to claim 12 .
Claim 16
Dependent Claim
224 words
A media handling system in which candidate video sequences are displayed on a display screen in schematic form for selection by a user, the system comprising: a user control configured to define a set of one or more of the video sequences; a detector configured to detect human faces in the candidate video sequences, to detect a probability of a human face being present in each field or frame of the video sequences, and to weight at least some of the detected probability levels depending on the size of the detected face, each one of the weighted probability levels corresponds with a respective face size stored in a look-up; and a display screen configured to display at least one representation of the candidate video sequences for selection by the user, each representation of the candidate video sequence including one or more images representing human faces derived from the respective video sequences and having the highest weighted probability levels amongst the respective video sequences, wherein the detector weights the probability levels based on the correspondence between each one of the weighted probability levels and the respective face sizes as defined by the look-up table, such that detected faces closer in size to a preferred representation size are presented to the user for selection thereof as the displayed representation of the of the candidate video sequences.
Claim 17
Dependent Claim
224 words
A media handling system in which candidate video sequences are displayed on a display screen in schematic form for selection by a user, the system comprising: a user control configured to define a set of one or more of the video sequences; a detector configured to detect human faces in the candidate video sequences, to detect a probability of a human face being present in each field or frame of the video sequences, and to weight at least some of the detected probability levels depending on the size of the detected face, each one of the weighted probability levels corresponds with a respective face size stored in a look-up; and a display screen configured to display at least one representation of the candidate video sequences for selection by the user, each representation of the candidate video sequence including one or more images representing human faces derived from the respective video sequences and having the highest weighted probability levels amongst the respective video sequences, wherein the detector weights the probability levels based on the correspondence between each one of the weighted probability levels and the respective face sizes as defined by the look-up table, such that detected faces closer in size to a preferred representation size are presented to the user for selection thereof as the displayed representation of the of the candidate video sequences.
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