| 摘要 |
According to certain embodiments of the present invention, a graphical presentation is generated from a data representation. A transparency lens is applied to reveal a region-of-interest within an original image. The region-of-interest is occluded by an occluding portion of the original image. The transparency lens includes a focal region having a transparency to reduce occlusion of the region-of-interest by the occluding portion. The transparency lens also includes a shoulder region between the focal region and a foreground of the original image. The shoulder region has decreasing transparency from the focal region to the foreground. In an embodiment, occluding portion is sliced into slices normal to a depth axis of the original image. Transparencies are applied to the slices as a function of depth of the slices to form the shoulder region.
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