System and method for depth extraction of images with motion...

G - Physics – 06 – T

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G06T 7/00 (2006.01)

Patent

CA 2729106

A system and method for spatiotemporal depth extraction of images are provided. The system and method provide for acquiring a sequence of images from a scene (502), the sequence including a plurality of successive frames of images, estimat- ing the disparity of at least one point in a first image with at least one corresponding point in a second image for at least one frame (504,506), estimating motion of the at least one point in the first image (605), estimating the disparity of the at least one next suc- cessive frame based on the estimated disparity of at least one previous frame in a forward direction of the sequence (508), wherein the estimate disparity is compensated with the estimated motion, and minimizing the estimated disparity of each of the plurality of successive frames based on the estimated disparity of at least one previous frame in a backward direction of the sequence (512).

L'invention concerne un système et un procédé pour l'extraction de la profondeur spatio-temporelle d'images. Le système et le procédé permettent l'acquisition d'une séquence d'images d'une scène (502), la séquence comprenant une pluralité de trames successives d'images, l'estimation de la disparité d'au moins un point sur une première image avec au moins un point correspondant sur la seconde image pour au moins une trame (504,506), l'estimation du mouvement dudit ou desdits points sur la première image (605), l'estimation de la disparité de ladite ou desdites trames successives suivantes en fonction de la disparité estimée de ladite ou desdites trames précédentes dans une direction avant de la séquence (508), la disparité estimée étant compensée par le mouvement estimé, et la réduction au minimum de la disparité estimée de chacune de la pluralité de trames successives en fonction de la disparité estimée de ladite ou desdites trames précédentes dans une direction arrière de la séquence (512).

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