指静脉处理综合代码（orz）

预处理综合代码： 

#!/usr/bin/python
#coding:utf-8
import numpy as np
import os
import cv2
 
def pathFile(path):
    return os.getcwd() + '/' + path
 
def brightestColumn(img):
    w, h = img.shape
    r = range(h / 2, h - 1)
    c = range(0, w - 1)
    return img[c][:,r].sum(axis=0).argmax()
 
#构建GABOR滤波器
def build_filters():
    """ returns a list of kernels in several orientations
    """
    filters = []
    ksize = 31                                                                 #gaborl尺度 这里是一个
    for theta in np.arange(0, np.pi, np.pi / 4):                               #gaborl方向 0 45 90 135 角度尺度的不同会导致滤波后图像不同
        
        params = {'ksize':(ksize, ksize), 'sigma':3.3, 'theta':theta, 'lambd':18.3,    
                  'gamma':4.5, 'psi':0.89, 'ktype':cv2.CV_32F}