… using both the line orientation and the slope orientation. When a … slope direction of local
plains as well as the direction of valleys. The proposed method extracts two different orientation …

… to other object detection and recognition tasks [33]. However, for palmprint recognition,
gradient exploited in HOG is not a good tool to detect the line responses and orientation of pixels …

… all six orientations by convolving the palmprint image with six Gabor filters and encoded all
filtered results as orientation … where Si indicates the slope of the i-th line. In other words, mi …

… , orientation, and principal lines, for palmprint recognition to … The basic idea of the
gradient-based method is that the ridge … ’s direction is perpendicular to the gradient direction. As …

… palmprint image. (4) The above methods only consider edge gradient features or orientation
features of the palmprint … edge gradient features and orientation features to obtain a better …

In this paper, we propose a novel robust line orientation code for palmprint verification,
whose performance is improved by using three strategies. Firstly, a modified finite Radon …

… palmprint recognition. In LLDP, we propose to use a new feature space, ie, the line feature
space, instead of the gradient … line responses and orientation of pixels in palmprint using the …

… Orientation extraction and distance measure are two essential issues for orientation
coding-based palmprint recognition … Gradient-based and filterbank-based approaches are two …

… (competitive code, ordinal code, robust line orientation code, derivative of Gaussian code,
and … where (i0, j0) denotes the center point, and k is the corresponding slope of Lθ . In fact, the …

… palmprint instead of natural light palmprint in this paper, and develop a multispectral palmprint
recognition … the orientation maps of gradient, we can construct an orientation histogram of …