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)
