Palm print image region-of-interest extraction method
A technology of region of interest and extraction method, which is applied in the field of region of interest extraction of palmprint images, can solve problems such as high complexity, low consistency and stability of palm region extraction, difficulty in confirming segmentation positioning points, etc., and achieve strong practicality sexual effect
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[0018] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, but not all of the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments in the present application without creative work fall within the protection scope of the present application.
[0019] Refer to the attached figure 1 As shown, the present invention relates to a method for extracting a region of interest in a palmprint image, comprising the following steps:
[0020] 1) The acquired palmprint image is preprocessed by grayscale transformation and mean filtering. First, the gray value of each pixel of the palmprint image is obtained, and the average gray value of the palmprint image is calculated. If the average gray value of...
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