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US 2003/0142214 A1Published application
Method for testing video sequences
AssigneeBritish Telecommunications public limited company
InventorAlexandre J Bourret
Life of this patent
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Abstract
A non-intrusive test method for video sequences is described that correlates a number of quality indicators derived from a sequence with a matrix of constants to predict a quality score for the sequence
Claims5
A method of comparing two frames from a video sequence, the method comprising the steps of;
- (i) taking a first frame from said video sequence;
- (ii) taking the subsequent frame from said sequence;
- (iii) comparing one pixel from the first frame with the corresponding pixel from the subsequent frame;
- and
- (iv) repeating step (iii) for all pixels in a test area of the first frame.
2 more elements
Dependencies are inferred from the claim text.