def prepare_sharps(image): image_gray = img_fun.image_gray(image) image_bin = img_fun.image_bin(image_gray) image_bin = img_fun.invert(image_bin) image_bin = cv2.erode(image_bin,np.ones((1,3)),iterations=1)
def prepare_bar_lines(image): image_gray = img_fun.image_gray(image) image_bin = img_fun.image_bin(image_gray) image_bin = img_fun.invert(image_bin) # cv2.imshow('bar lines',image_bin) return image_bin
def prepare_half_notes(image): image_gray = img_fun.image_gray(image) image_bin = img_fun.image_bin(image_gray) image_bin = cv2.morphologyEx(image_bin, cv2.MORPH_OPEN, np.ones((4,4))) image_bin = cv2.erode(image_bin,np.ones((2,2)),iterations=1) image_bin = img_fun.invert(image_bin) return image_bin
def get_note_positions(image,groups): image_gray = img_fun.image_gray(image) image_bin = img_fun.image_bin(image_gray) image_bin = img_fun.invert(image_bin) image_bin = cv2.dilate(image_bin, np.ones((6,2)), iterations=1) verticalSize = 4; verticalStructure = cv2.getStructuringElement(cv2.MORPH_RECT, (verticalSize,1)); image_bin = cv2.erode(image_bin, verticalStructure, iterations=1) image_bin = cv2.erode(image_bin, np.ones((7,1)), iterations=1) #image_bin = cv2.dilate(image_bin, np.ones((6,2)), iterations=1) #image_bin = img_fun.erode(image_bin) #image_bin = disconnect_note_heads(image.copy(), image_bin) # image_bin = cv2.erode(image_bin, verticalStructure, iterations=1) # image_bin = cv2.erode(image_bin, verticalStructure, iterations=3) # image_bin = disconnect_note_heads(image.copy(), image_bin) # # image_bin = cv2.erode(image_bin, np.ones((2,2)), iterations=1) # image_bin = img_fun.dilate(image_bin) # kernel = np.ones((3,3)) # strukturni element 3x3 blok # # image_bin = img_fun.dilate(image_bin) # #image_bin = img_fun.dilate(image_bin) # # kernel_vet = np.ones((6,1)) # kernel_hor = np.ones((1,5)) # image_bin = cv2.erode(image_bin, kernel_hor, iterations=1) # image_bin = cv2.dilate(image_bin, kernel_vet, iterations=1) # # image_bin = cv2.dilate(image_bin, kernel, iterations=1) # #image_bin = cv2.erode(image_bin, kernel, iterations=1) cv2.imshow('preparet image', image_bin) image_orig,selected_regions, positions = select_note_heads(image.copy(), image_bin, groups) cv2.imshow('asd', image_orig) return positions
def prepare_whole_notes(image): image_gray = img_fun.image_gray(image) image_bin = img_fun.image_bin(image_gray) # image_bin = cv2.erode(image_bin,np.ones((1,2)),iterations=3) # # image_bin = cv2.dilate(image_bin,np.ones((2,4)),iterations=2) image_bin = img_fun.invert(image_bin) # img_fun.show_image('whole_gray',image_gray) # img_fun.show_image('whole_bin',image_bin) return image_bin
def prepare_quarter_notes(image): image_gray = img_fun.image_gray(image) image_bin = img_fun.image_bin(image_gray) # img_fun.show_image(image_bin) # img_fun.show_image(image_gray) image_bin = img_fun.invert(image_bin) verticalSize = 3; horSize = 3 verticalStructure = cv2.getStructuringElement(cv2.MORPH_RECT, (verticalSize,1)); horStructure = cv2.getStructuringElement(cv2.MORPH_RECT, (1,horSize)); image_bin = cv2.erode(image_bin, verticalStructure, iterations=1) image_bin = cv2.morphologyEx(image_bin, cv2.MORPH_OPEN, np.ones((5,5))) image_bin = disconnect_note_heads(image.copy(),image_bin) # cv2.imshow('quarter bin',image_bin) return image_bin
import imageProcessingFunctions as img_fun import cv2 import numpy as np import collections image = img_fun.load_image('images/sheet4.png') image_gray = img_fun.image_gray(image) image_bin = img_fun.image_bin(image_gray) image_bin = img_fun.invert(image_bin) verticalSize = 3; verticalStructure = cv2.getStructuringElement(cv2.MORPH_RECT, (verticalSize,1)); image_bin = cv2.erode(image_bin, verticalStructure, iterations=1) kernel = np.ones((3,3)) # strukturni element 3x3 blok image_bin = img_fun.dilate(image_bin) image_bin = img_fun.dilate(image_bin) image_bin = cv2.dilate(image_bin, kernel, iterations=1) cv2.imshow('binary', image_bin) cv2.waitKey(0) def select_note_heads(image_orig, image_bin): img, contours, hierarchy = cv2.findContours(image_bin.copy(), cv2.RETR_EXTERNAL, cv2.CHAIN_APPROX_SIMPLE)