Control of data processing
First Claim
1. Data processing apparatus arranged to process successive video images and an associated audio signal;
- the apparatus comprising;
means for detecting inter-image motion in the successive video images;
means for detecting whether the inter-image motion satisfies one or more predetermined motion criteria;
means for detecting an audio signal pattern in the associated audio signal satisfying one or more predetermined audio criteria;
activation means for activating a control function of the data processing apparatus in response to a substantially simultaneous occurrence of;
(a) a detection of inter-image motion satisfying the one or more predetermined motion criteria; and
(b) a detection of an audio signal pattern in the associated audio signal which satisfies the one or more predetermined audio criteria; and
means for detecting, for each of a series of successive images, one or more active image regions in each image where inter-image motion has been detected;
in which a predetermined motion criterion is satisfied if at least one of the one or more active image regions is subject to a predetermined displacement between successive images.
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Accused Products
Abstract
Data processing apparatus arranged to receive successive images from a video camera and to receive audio data from a microphone comprises means for detecting inter-image motion in the video images; means for detecting audio signals in the associated audio data satisfying one or more predetermined audio criterion; and activation means, for activating a control function of the data processing apparatus in response to a predetermined sequence of a detection of inter-image motion satisfying one or more predetermined motion criterion and a detection of an audio signal in the associated audio data which satisfies the predetermined audio criteria.
36 Citations
7 Claims
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1. Data processing apparatus arranged to process successive video images and an associated audio signal;
- the apparatus comprising;
means for detecting inter-image motion in the successive video images; means for detecting whether the inter-image motion satisfies one or more predetermined motion criteria; means for detecting an audio signal pattern in the associated audio signal satisfying one or more predetermined audio criteria; activation means for activating a control function of the data processing apparatus in response to a substantially simultaneous occurrence of; (a) a detection of inter-image motion satisfying the one or more predetermined motion criteria; and (b) a detection of an audio signal pattern in the associated audio signal which satisfies the one or more predetermined audio criteria; and means for detecting, for each of a series of successive images, one or more active image regions in each image where inter-image motion has been detected; in which a predetermined motion criterion is satisfied if at least one of the one or more active image regions is subject to a predetermined displacement between successive images. - View Dependent Claims (2)
- the apparatus comprising;
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3. Data processing apparatus arranged to process successive video images and an associated audio signal, the apparatus comprising:
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means for detecting inter-image motion in the successive video images; means for detecting whether the inter-image motion satisfies one or more predetermined motion criteria; means for detecting an audio signal pattern in the associated audio signal satisfying one or more predetermined audio criteria; activation means for activating a control function of the data processing apparatus in response to a substantially simultaneous occurrence of; (a) a detection of inter-image motion satisfying the one or more predetermined motion criteria; and (b) a detection of an audio signal pattern in the associated audio signal which satisfies the one or more predetermined audio criteria; and means for detecting whether inter-image motion occurs between successive images at a predetermined proportion of a test area defined with respect to the video images; and in which a predetermined motion criterion is satisfied if inter-image motion occurs between successive images at the predetermined proportion of the test area for N successive images and subsequently falls below the predetermined threshold, N being a predetermined integer.
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4. Data processing apparatus arranged to process successive video images and an associated audio signal, the apparatus comprising:
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means for detecting inter-image motion in the successive video images; means for detecting whether the inter-image motion satisfies one or more predetermined motion criteria; means for detecting an audio signal pattern in the associated audio signal satisfying one or more predetermined audio criteria; activation means for activating a control function of the data processing apparatus in response to a substantially simultaneous occurrence of; (a) a detection of inter-image motion satisfying the one or more predetermined motion criteria; and (b) a detection of an audio signal pattern in the associated audio signal which satisfies the one or more predetermined audio criteria; and means for detecting, for each of a series of the video images, a plurality of active image regions where inter-image motion has been detected; in which a predetermined motion criterion are satisfied if the displacement of at least two of the active image regions with respect to each other drops below a predetermined value.
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5. Data processing apparatus arranged to process successive video images and an associated audio signal, the apparatus comprising:
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means for detecting inter-image motion in the successive video images; means for detecting whether the inter-image motion satisfies one or more predetermined motion criteria; means for detecting an audio signal pattern in the associated audio signal satisfying one or more predetermined audio criteria; and activation means for activating a control function of the data processing apparatus in response to a substantially simultaneous occurrence of; (a) a detection of inter-image motion satisfying the one or more predetermined motion criteria; and (b) a detection of an audio signal pattern in the associated audio signal which satisfies the one or more predetermined audio criteria, in which a grouping is satisfied if there is a time displacement of less than a threshold amount between time-correlated positions in the audio signal and the sequence of video images at which the audio signal pattern is detected and the motion criteria are met.
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6. Data processing apparatus arranged to process successive video images and an associated audio signal, the apparatus comprising:
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means for detecting inter-image motion in the successive video images; means for detecting whether the inter-image motion satisfies one or more predetermined motion criteria; means for detecting an audio signal pattern in the associated audio signal satisfying one or more predetermined audio criteria; activation means for activating a control function of the data processing apparatus in response to a substantially simultaneous occurrence of; (a) a detection of inter-image motion satisfying the one or more predetermined motion criteria; and (b) a detection of an audio signal pattern in the associated audio signal which satisfies the one or more predetermined audio criteria; and means for detecting if the amplitude of the associated audio signal exceeds a predetermined threshold; and in which a predetermined audio criterion is satisfied if the amplitude of the associated audio signal remains substantially above the predetermined threshold for at least a predetermined duration.
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7. Data processing apparatus arranged to process successive video images and an associated audio signal, the apparatus comprising:
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means for detecting inter-image motion in the successive video images; means for detecting whether the inter-image motion satisfies one or more predetermined motion criteria; means for detecting an audio signal pattern in the associated audio signal satisfying one or more predetermined audio criteria; activation means for activating a control function of the data processing apparatus in response to a substantially simultaneous occurrence of; (a) a detection of inter-image motion satisfying the one or more predetermined motion criteria; and (b) a detection of an audio signal pattern in the associated audio signal which satisfies the one or more predetermined audio criteria; and means for detecting the spectral signature of the associated audio signal; in which a predetermined audio criterion is satisfied if the determined spectral signature substantially matches predetermined parameters.
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Specification