… palmprint identification algorithms, ROI segmentation is always a must step. This paper presents
a novel hierarchical palmprint identification method … to describe grayscale distribution as …

… of uniform grayscale, and (b) markedly different in value between regions of different textures.
The … 8 demonstrates the distribution of global palmprint texture energy measurements. …

… ) presented a palmprint recognition approach based on the local distribution of uniform LBP
(… Convert the original palmprints into grayscale image using a threshold obtained by local …

… of palmprint GTE distribution: interpalm dispersion versus inner palm convergence. This figure
shows the distribution of GTE from 80 palmprint … of 75 dpi and 256-level grayscale. In our …

… methods have been designed, including the hierarchical … on the change of grayscale and
treat the black and white stripes … However, their ridge density distributions are quite different, as …

… The histogram-based segmentation has a special requirement on image histogram distribution,
so it … Also presented as a hierarchical palmprint identification method, Li and Leung [18] …

… the recognition performance of palm print recognition system. … algorithm which increases
the recognition rate. This improved … previous HOL algorithm for palm print identification. Thus, …

… 3 two texture images have the same LBP distribution but their local difference distribution |
… in palmprint recognition research. PolyU dataset contains 7752 grayscale palmprint images …

… and hierarchical multiscale local binary pattern (HM-LBP) … For a 3 × 3 grayscale image patch,
we can express the … an evenly distributed illumination and captures palmprint images using …

… with various and evenly distributed directions, a stronger … the LDDBP, where the black and
white circles correspond to 1 and … hierarchical approach for multispectral palmprint recognition,…