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Normaly, keying is done by shooting objects against a green background. However, since Physarum tends to to a green-yellow color, blue seems to be a better alternative. It offers both greater color- and luminance-contrast. | Normaly, keying is done by shooting objects against a green background. However, since Physarum tends to to a green-yellow color, blue seems to be a better alternative. It offers both greater color- and luminance-contrast. | ||
Secondly, in order to see the finest details I need to shoot as high resolution as possible. To maximize any cameras resolution I need to find a way to grow Physarum on square plates (best in 4:3 ratio) to use the whole sensor. | Secondly, in order to see the finest details I need to shoot as high resolution as possible. To maximize any cameras resolution I need to find a way to grow Physarum on square plates (best in 4:3 ratio) to use the whole sensor. | ||