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Figure 4 | Journal of Translational Medicine

Figure 4

From: An innovative system for 3D clinical photography in the resource-limited settings

Figure 4

Changes of nodular KS lesions. (A) A pair of nodular KS lesions to demonstrate before (left) and after (right) treatment over 2 weeks. (B) The relative volume of two clay samples (one on top row and one on bottom row) is measured using the prototype image analysis software. Each column represents one of three independent angle perspectives. The program uses the projected 2D shape to measure an average radius. This radius is then used to determine a volume. For measuring relative changes in volume, the program can accurately deliver results with an uncertainty of 4%, as long as the changes represent solely an enlargement or diminution in an original shape, as opposed to a complete change in shape. In instances where the overall shape changes completely (for instance, like from a long cigar shape to a half sphere), changes in relative volume may be measured with an uncertainty of about 34%.

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