Back to results
US 2009/0021637 A1Published application
Image processing device, image processing method, program, and display device
AssigneeSony Corporation
InventorsTetsuro Tanaka, Takeshi Fujimori
Life of this patent
Estimating the term…
Abstract
An image processing device for obtaining motion information indicating a motion of an image, the image processing device including: a motion estimating section configured to obtain motion information of a pixel of interest and output the motion information of the pixel of interest, and obtain an evaluation value for evaluating the motion information of the pixel of interest, obtain an evaluation value for evaluating the motion information of the pixel of interest, determine reliability of the motion information of the pixel of interest, and output reliability information indicating the reliability.
Claims13
An image processing device for obtaining motion information indicating a motion of an image, said image processing device comprising:
- motion estimating means for
- obtaining motion information of a pixel of interest to which attention is directed among pixels of a picture of interest to which attention is directed, using a motion vector of said pixel of interest and a motion vector of a pixel in vicinity of said pixel of interest, and outputting the motion information of said pixel of interest, and
- obtaining an evaluation value for evaluating the motion information of said pixel of interest using motion vectors of a plurality of pixels of said picture of interest, obtaining an evaluation value for evaluating the motion information of said pixel of interest using motion vectors of a plurality of pixels of another picture adjacent to said picture of interest, determining reliability of the motion information of said pixel of interest using said evaluation values, and outputting reliability information indicating the reliability.
An image processing method of an image processing device for obtaining motion information indicating a motion of an image, said image processing method comprising a step of:
- obtaining motion information of a pixel of interest to which attention is directed among pixels of a picture of interest to which attention is directed, using a motion vector of said pixel of interest and a motion vector of a pixel in vicinity of said pixel of interest, and outputting the motion information of said pixel of interest, and
- obtaining an evaluation value for evaluating the motion information of said pixel of interest using motion vectors of a plurality of pixels of said picture of interest, obtaining an evaluation value for evaluating the motion information of said pixel of interest using motion vectors of a plurality of pixels of another picture adjacent to said picture of interest, determining reliability of the motion information of said pixel of interest using said evaluation values, and outputting reliability information indicating the reliability.
A program for making a computer function as an image processing device for obtaining motion information indicating a motion of an image, said image processing device including motion estimating means for:
- obtaining motion information of a pixel of interest to which attention is directed among pixels of a picture of interest to which attention is directed, using a motion vector of said pixel of interest and a motion vector of a pixel in vicinity of said pixel of interest, and outputting the motion information of said pixel of interest, and
- obtaining an evaluation value for evaluating the motion information of said pixel of interest using motion vectors of a plurality of pixels of said picture of interest, obtaining an evaluation value for evaluating the motion information of said pixel of interest using motion vectors of a plurality of pixels of another picture adjacent to said picture of interest, determining reliability of the motion information of said pixel of interest using said evaluation values, and outputting reliability information indicating the reliability.
A display device for displaying an image of a broadcast program, said display device comprising:
- receiving means for receiving said broadcast program;
- motion estimating means for
- obtaining motion information of a pixel of interest to which attention is directed among pixels of a picture of interest to which attention is directed among pictures constituting the image of said broadcast program, using a motion vector of said pixel of interest and a motion vector of a pixel in vicinity of said pixel of interest, and outputting the motion information of said pixel of interest, and
- obtaining an evaluation value for evaluating the motion information of said pixel of interest using motion vectors of a plurality of pixels of said picture of interest, obtaining an evaluation value for evaluating the motion information of said pixel of interest using motion vectors of a plurality of pixels of another picture adjacent to said picture of interest, determining reliability of the motion information of said pixel of interest using said evaluation values, and outputting reliability information indicating the reliability;
- progressive image generating means for obtaining a first interpolation value for said pixel of interest using a pixel value of another pixel of said picture of interest and obtaining a second interpolation value for said pixel of interest using a pixel value of a pixel of a picture adjacent to said picture of interest and the motion information of said pixel of interest, and
- selecting said first interpolation value and outputting said first interpolation value as pixel value of said pixel of interest when said reliability information indicates that said motion information is unreliable, and selecting said second interpolation value and outputting said second interpolation value as pixel value of said pixel of interest when said reliability information indicates that said motion information is reliable, whereby a progressive image is generated from an interlaced image;
- and
- displaying means for displaying said progressive image.
5 more elements
An image processing device for obtaining motion information indicating a motion of an image, said image processing device comprising:
- a motion estimating section configured to
- obtain motion information of a pixel of interest to which attention is directed among pixels of a picture of interest to which attention is directed, using a motion vector of said pixel of interest and a motion vector of a pixel in vicinity of said pixel of interest, and output the motion information of said pixel of interest, and
- obtain an evaluation value for evaluating the motion information of said pixel of interest using motion vectors of a plurality of pixels of said picture of interest, obtain an evaluation value for evaluating the motion information of said pixel of interest use motion vectors of a plurality of pixels of another picture adjacent to said picture of interest, determine reliability of the motion information of said pixel of interest using said evaluation values, and output reliability information indicating the reliability.
A display device for displaying an image of a broadcast program, said display device comprising:
- a receiving section configured to receive said broadcast program;
- a motion estimating section configured to obtain motion information of a pixel of interest to which attention is directed among pixels of a picture of interest to which attention is directed among pictures constituting the image of said broadcast program, using a motion vector of said pixel of interest and a motion vector of a pixel in vicinity of said pixel of interest, and output the motion information of said pixel of interest, and
- obtain an evaluation value for evaluating the motion information of said pixel of interest using motion vectors of a plurality of pixels of said picture of interest, obtain an evaluation value for evaluating the motion information of said pixel of interest using motion vectors of a plurality of pixels of another picture adjacent to said picture of interest, determine reliability of the motion information of said pixel of interest using said evaluation values, and output reliability information indicating the reliability;
- a progressive image generating section configured to obtain a first interpolation value for said pixel of interest using a pixel value of another pixel of said picture of interest and obtain a second interpolation value for said pixel of interest using a pixel value of a pixel of a picture adjacent to said picture of interest and the motion information of said pixel of interest, and
- select said first interpolation value and output said first interpolation value as pixel value of said pixel of interest when said reliability information indicates that said motion information is unreliable, and select said second interpolation value and output said second interpolation value as pixel value of said pixel of interest when said reliability information indicates that said motion information is reliable, whereby a progressive image is generated from an interlaced image;
- and
- a displaying section configured to display said progressive image.
4 more elements
Dependencies are inferred from the claim text.