Processing techniques and equipment for superimposing images...

Details Processing techniques and equipment for superimposing images... Processing techniques and equipment for superimposing images...

H - Electricity

04

N

H04N 5/74 (2006.01) G09G 3/34 (2006.01) H04N 5/16 (2006.01) H04N 5/20 (2006.01) H04N 9/12 (2006.01)

Patent

CA 2415115

Addressed herein are techniques and equipment for pre-processing digital images to be superimposed for display. Filtering, re-sampling, and decimation are variously used to process images and sub-images to produce to-be- superimposed images. One of the described techniques is designed primarily (although not necessarily exclusively) for computational efficiency, while the other sacrifices some computational efficiency for higher quality of output images.

L'invention concerne des techniques et un équipement servant à effectuer le traitement préalable d'images numériques à superposer afin de les afficher. On utilise de façon diversifiée le filtrage, le rééchantillonnage et la décimation afin de traiter des images et des sous-images de manière à produire des images à superposer. On sélectionnera en premier (bien que non exclusivement) une des techniques décrites pour son efficacité de calcul, tandis que les autres techniques manquent quelque peu d'efficacité de calcul permettant d'obtenir une meilleure qualité des images de sortie.

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