| 摘要 |
A method for segmenting fingers may include: a capture step during which the acquisition device captures an image of the fingers and of the sight; a computing step during which the processing unit computes the unrolled phase image from the image of the thus captured; a derivation step during which, for each pixel of the phase image thus computed, the processing unit computes the derivative of the phase along the isointensity axis of the sight; a regionalisation step during which the processing unit associates each pixel where the derivative of the phase has been computed with a region grouping all the adjoining pixels step by step where the derivative of the phase has the same polarity; and a recognition step during which the location of each finger is recognised from the analysis of the regions thus determined. |
