Advanced automatic digital radiographic hot light method and apparatus
a technology of automatic digital radiographic and hot light, applied in the field of radiographic image details, can solve the problems of no help in visualizing too, no contrast enhancement in the area, and difficulty in achieving the effect of improving the image quality improving detail visualization, and increasing the contrast of the selected region of interes
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[0020]In general, the present invention automatically provides an improved rendering of a user selected region of interest of a displayed digital (radiographic) image. Regions of the image that have been rendered too dark or too light are remapped to pixel values that are well rendered by the tone scale look-up table. While the visibility of the region of interest is improved, no loss of visual context is suffered because the rendering of the overall image remains the same.
[0021]An environment for the present invention is shown in FIG. 1. A digital radiographic image 101 of digital code values is selected for viewing. The digital radiographic image can be generated by computed radiography (CR) or direct digital radiography (DR) or by digitizing radiographic film. A tone scale (LUT) look-up table 102 is provided which is a default tone scale rendering to best visualize the entire dynamic range of the input image 101. Although the creation of the tone scale LUT 102 is outside of the s...
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