Image processing device and image processing method

Details Image processing device and image processing method Image processing device and image processing method

2008-01-08

2008-01-08

Glick, Edward J. (Department: 2882)

X-ray or gamma ray systems or devices

Specific application

Computerized tomography

C378S901000

Reexamination Certificate

active

07317781

ABSTRACT:
To provide image processing device and method capable of achieving a high-speed reconstruction process to a cone beam CT image, an area necessary for reconstruction in a projection image is determined from a slice position to be reconstructed, a convolution process is executed by using the determined area. Moreover, the slice position to be reconstructed is divided into the plural blocks, the areas of the projection image corresponding thereto are cut out, and the processing unit is set for each block as local data of each block, and the set unit is allocated with respect to each operation, whereby parallel processes are executed.

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European Search Report for Application No. EP 05 25 5111 date of completion of the search Feb. 7, 2006.
Tohru Sasaki et al., Reconstruction of 3-D X-Ray Computerized Tomography Images Using a Distributed Memory Multiprocessor System, Information Processing Society of Japan, pp. 1681-1690, vol. 38, No. 9.

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