The method provides information about the resolution at different positions in the image, it is stable and leads to reliable results especially concerning sharpening and compression algorithms as sinusoidal structures avoid high contrast and sharp edges. Actually the method requires only a single image to capture all the necessary data, multiple images can be used to reach a higher level of accuracy. We have been using this method succesfully for years now for several applications like photography, video, automotive, machine vision and others.
The resolution measurement with sinusoidal Siemens stars is applicable to all digital cameras and done within minutes.
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