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Living Image 3.1

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4. Working With <strong>Image</strong>s<br />

64<br />

3. To access controls for manually<br />

adjusting the color rendition, click<br />

Colorize.<br />

Table 4.11 Colorize tools<br />

Item Description<br />

Colorize<br />

Color Range The color map indicates the color range of the selected camera setup<br />

from short to long wavelength. The two sliders determine the lower<br />

and upper limits of the color range that is used to render color. The<br />

parts of the color map outside the selected range are not used in the<br />

color rendering process. By default, the entire color range is<br />

selected.<br />

Filter Range The wavelength range of the luminescent images in the sequence.<br />

The two sliders determine the lower and upper end of the filter<br />

range. Only the parts of the image that are within the selected<br />

wavelength range are colorized. By default, the entire filter range is<br />

selected.<br />

Color Camera<br />

VIS Regular camera setup that mainly renders color in the visible range.<br />

It is similar to the color response of a commercial digital camera. NIR<br />

fluorophores appear dark red to invisible using the VIS camera setup.<br />

NIR A special camera setup that extends the color response into the near<br />

infrared range. Near infrared fluorophores appear red to purple using<br />

the NIR camera setup.<br />

Log Scale If this option is chosen, the dynamic range of the brightness in the<br />

image is compressed using a log scale. This improves the visibility of<br />

dark areas in the image.<br />

Real Color If this option is chosen, the colors are rendered using the<br />

wavelengths that directly correspond to the camera setup. For<br />

example, GFP appears green using real color rendering.<br />

If this option is not chosen, the original wavelength range of the<br />

image is modified to include the entire visible wavelength range of<br />

the camera setup. This helps improve the color contrast.

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