Method for modifying the image size of video images

Details Method for modifying the image size of video images Method for modifying the image size of video images

2005-12-13

2005-12-13

Shah, Sanjiv (Department: 2625)

Image analysis

Image transformation or preprocessing

Changing the image coordinates

C382S256000, C382S299000, C348S580000, C348S747000

Reexamination Certificate

active

06975779

ABSTRACT:
The invention relates to a method for changing the image size of video images, in which a decimation of video image signals (V) by an integral decimation factor (MHD, MVD) is carried out, and the decimated video image signals are subsequently read into an image memory for buffering.In order to achieve better possibilities of adjusting the image reduction with a relatively low outlay and high image quality, a fine decimation of the video image signals (V) is additionally carried out before buffering by a fine decimation factor (SHS, SVS) which can be adjusted to non-integral values, and a total decimation factor (MH, MV) relevant to the decimation of the video image signals (V) is formed from the integral decimation factor (MHD, MVD) and the fine decimation factor (SHS, SVS).

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