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US 7,257,252 B2Granted
Voting-based video background mosaicking
AssigneesSony Corporation, Sony Electronics Inc.
InventorXun Xu
Life of this patent
Estimating the term…
Abstract
For each pixel in a video background mosaic, intensity values associated with corresponding pixels in multiple video frames are collected, and an intensity value associated with the majority of the corresponding pixels is selected. The selected intensity value defines intensity of the pixel in the video background mosaic.
Claims36
A computerized method comprising:
- collecting, for each mosaic pixel in a background mosaic, an intensity value associated with each occurrence of a corresponding pixel in a plurality of source video frames;
- determining, for each mosaic pixel, a number of votes for each intensity value associated with the occurrences of the corresponding pixel;
- and
- selecting, for each mosaic pixel, the intensity value having a maximum number of votes, the selected intensity value defining an intensity of said each mosaic pixel, wherein a common background scene for the plurality of source video frames is subsequently generated from the background mosaic.
1 more element
A computer readable medium that provides instructions, which when executed on a processor cause the processor to perform a method comprising:
- collecting, for each mosaic pixel in a video background mosaic, an intensity value associated with each occurrence of a corresponding pixel in a plurality of source video frames;
- determining, for each mosaic pixel, a number of votes for each intensity value associated with the occurrences of the corresponding pixel ;
- and
- selecting, for each mosaic pixel, the intensity value having a maximum number of votes, the selected intensity value defining an intensity of said each mosaic pixel, wherein a common background scene for the plurality of source video frames is subsequently generated from the background mosaic.
1 more element
A computerized system comprising:
- a memory;
- and
- at least one processor coupled to the memory, the at least one processor executing a set of instructions which cause the at least one processor to collect, for each mosaic pixel in a video background mosaic, an intensity value associated with each occurrence of a corresponding pixel in a plurality of source video frames,
- determine, for each mosaic pixel, a number of votes for each intensity value associated with the occurrences of the corresponding pixel , and
- select, for each mosaic, the intensity value having a maximum number of votes, the selected intensity value defining an intensity of said each mosaic pixel, wherein a common background scene for the plurality of source video frames is subsequently generated from the background mosaic.
2 more elements
An apparatus comprising:
- an intensity value collector to collect, for each mosaic pixel in a video background mosaic, an intensity value associated with each occurrence of a corresponding pixel in a plurality of source video frames, the intensity value collector further to determine, for each mosaic pixel, a number of votes for each intensity value associated with the occurrences of the corresponding pixel;
- and
- an intensity analyzer to select, for each mosaic pixel, the intensity value having a maximum number of votes, the selected intensity value defining an intensity of said each mosaic pixel, wherein a common background scene for the plurality of source video frames is subsequently generated from the background mosaic.
An apparatus comprising:
- means for collecting, for each mosaic pixel in a background mosaic, an intensity value associated with each occurrence of a corresponding pixel in a plurality of source video frames;
- means for determining, for each mosaic pixel, a number of votes for each intensity value associated with the occurrences of the corresponding pixel ;
- and
- means for selecting, for each mosaic pixel, the intensity value associated with a maximum number of votes, the selected intensity value defining an intensity of said each mosaic pixel, wherein a common background scene for the plurality of source video frames is subsequently generated from the background mosaic.
1 more element
Dependencies are inferred from the claim text.