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eynollah/sbb_newspapers_org_image/unused.py

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extract more methods, collect unused methods
4 years ago
"""
Unused methods from eynollah
"""
import numpy as np
from shapely import geometry
import cv2
def color_images_diva(seg, n_classes):
"""
XXX unused
"""
ann_u = range(n_classes)
if len(np.shape(seg)) == 3:
seg = seg[:, :, 0]
seg_img = np.zeros((np.shape(seg)[0], np.shape(seg)[1], 3)).astype(float)
# colors=sns.color_palette("hls", n_classes)
colors = [[1, 0, 0], [8, 0, 0], [2, 0, 0], [4, 0, 0]]
for c in ann_u:
c = int(c)
segl = seg == c
seg_img[:, :, 0][seg == c] = colors[c][0] # segl*(colors[c][0])
seg_img[:, :, 1][seg == c] = colors[c][1] # seg_img[:,:,1]=segl*(colors[c][1])
seg_img[:, :, 2][seg == c] = colors[c][2] # seg_img[:,:,2]=segl*(colors[c][2])
return seg_img
def find_polygons_size_filter(contours, median_area, scaler_up=1.2, scaler_down=0.8):
"""
XXX unused
"""
found_polygons_early = list()
for c in contours:
if len(c) < 3: # A polygon cannot have less than 3 points
continue
polygon = geometry.Polygon([point[0] for point in c])
area = polygon.area
# Check that polygon has area greater than minimal area
if area >= median_area * scaler_down and area <= median_area * scaler_up:
found_polygons_early.append(np.array([point for point in polygon.exterior.coords], dtype=np.uint))
return found_polygons_early
def resize_ann(seg_in, input_height, input_width):
"""
XXX unused
"""
return cv2.resize(seg_in, (input_width, input_height), interpolation=cv2.INTER_NEAREST)
factor out more methods
4 years ago
def get_one_hot(seg, input_height, input_width, n_classes):
seg = seg[:, :, 0]
seg_f = np.zeros((input_height, input_width, n_classes))
for j in range(n_classes):
seg_f[:, :, j] = (seg == j).astype(int)
return seg_f
def color_images(seg, n_classes):
ann_u = range(n_classes)
if len(np.shape(seg)) == 3:
seg = seg[:, :, 0]
seg_img = np.zeros((np.shape(seg)[0], np.shape(seg)[1], 3)).astype(np.uint8)
colors = sns.color_palette("hls", n_classes)
for c in ann_u:
c = int(c)
segl = seg == c
seg_img[:, :, 0] = segl * c
seg_img[:, :, 1] = segl * c
seg_img[:, :, 2] = segl * c
return seg_img
more extraction of util/unused functions
4 years ago
def cleaning_probs(probs: np.ndarray, sigma: float) -> np.ndarray:
factor out more methods
4 years ago
# Smooth
if sigma > 0.0:
return cv2.GaussianBlur(probs, (int(3 * sigma) * 2 + 1, int(3 * sigma) * 2 + 1), sigma)
elif sigma == 0.0:
return cv2.fastNlMeansDenoising((probs * 255).astype(np.uint8), h=20) / 255
else: # Negative sigma, do not do anything
return probs
more extraction of util/unused functions
4 years ago
def early_deskewing_slope_calculation_based_on_lines(region_pre_p):
# lines are labels by 6 in this model
seperators_closeup = ((region_pre_p[:, :, :] == 6)) * 1
seperators_closeup = seperators_closeup.astype(np.uint8)
imgray = cv2.cvtColor(seperators_closeup, cv2.COLOR_BGR2GRAY)
ret, thresh = cv2.threshold(imgray, 0, 255, 0)
contours_lines, hierachy = cv2.findContours(thresh, cv2.RETR_TREE, cv2.CHAIN_APPROX_SIMPLE)
slope_lines, dist_x, x_min_main, x_max_main, cy_main, slope_lines_org, y_min_main, y_max_main, cx_main = find_features_of_lines(contours_lines)
slope_lines_org_hor = slope_lines_org[slope_lines == 0]
args = np.array(range(len(slope_lines)))
len_x = seperators_closeup.shape[1] / 4.0
args_hor = args[slope_lines == 0]
dist_x_hor = dist_x[slope_lines == 0]
x_min_main_hor = x_min_main[slope_lines == 0]
x_max_main_hor = x_max_main[slope_lines == 0]
cy_main_hor = cy_main[slope_lines == 0]
args_hor = args_hor[dist_x_hor >= len_x / 2.0]
x_max_main_hor = x_max_main_hor[dist_x_hor >= len_x / 2.0]
x_min_main_hor = x_min_main_hor[dist_x_hor >= len_x / 2.0]
cy_main_hor = cy_main_hor[dist_x_hor >= len_x / 2.0]
slope_lines_org_hor = slope_lines_org_hor[dist_x_hor >= len_x / 2.0]
slope_lines_org_hor = slope_lines_org_hor[np.abs(slope_lines_org_hor) < 1.2]
slope_mean_hor = np.mean(slope_lines_org_hor)
if np.abs(slope_mean_hor) > 1.2:
slope_mean_hor = 0
# deskewed_new=rotate_image(image_regions_eraly_p[:,:,:],slope_mean_hor)
args_ver = args[slope_lines == 1]
y_min_main_ver = y_min_main[slope_lines == 1]
y_max_main_ver = y_max_main[slope_lines == 1]
x_min_main_ver = x_min_main[slope_lines == 1]
x_max_main_ver = x_max_main[slope_lines == 1]
cx_main_ver = cx_main[slope_lines == 1]
dist_y_ver = y_max_main_ver - y_min_main_ver
len_y = seperators_closeup.shape[0] / 3.0
return slope_mean_hor, cx_main_ver, dist_y_ver
def boosting_text_only_regions_by_header(textregion_pre_np, img_only_text):
result = ((img_only_text[:, :] == 1) | (textregion_pre_np[:, :, 0] == 2)) * 1
return result
def return_rotated_contours(slope, img_patch):
dst = rotate_image(img_patch, slope)
dst = dst.astype(np.uint8)
dst = dst[:, :, 0]
dst[dst != 0] = 1
imgray = cv2.cvtColor(dst, cv2.COLOR_BGR2GRAY)
_, thresh = cv2.threshold(imgray, 0, 255, 0)
thresh = cv2.morphologyEx(thresh, cv2.MORPH_OPEN, kernel)
thresh = cv2.morphologyEx(thresh, cv2.MORPH_CLOSE, kernel)
contours, _ = cv2.findContours(thresh.copy(), cv2.RETR_EXTERNAL, cv2.CHAIN_APPROX_SIMPLE)
return contours
def get_textlines_for_each_textregions(self, textline_mask_tot, boxes):
textline_mask_tot = cv2.erode(textline_mask_tot, self.kernel, iterations=1)
self.area_of_cropped = []
self.all_text_region_raw = []
for jk in range(len(boxes)):
crop_img, crop_coor = crop_image_inside_box(boxes[jk], np.repeat(textline_mask_tot[:, :, np.newaxis], 3, axis=2))
crop_img = crop_img.astype(np.uint8)
self.all_text_region_raw.append(crop_img[:, :, 0])
self.area_of_cropped.append(crop_img.shape[0] * crop_img.shape[1])
def deskew_region_prediction(regions_prediction, slope):
image_regions_deskewd = np.zeros(regions_prediction[:, :].shape)
for ind in np.unique(regions_prediction[:, :]):
interest_reg = (regions_prediction[:, :] == ind) * 1
interest_reg = interest_reg.astype(np.uint8)
deskewed_new = rotate_image(interest_reg, slope)
deskewed_new = deskewed_new[:, :]
deskewed_new[deskewed_new != 0] = ind
image_regions_deskewd = image_regions_deskewd + deskewed_new
return image_regions_deskewd
def deskew_erarly(textline_mask):
textline_mask_org = np.copy(textline_mask)
# print(textline_mask.shape,np.unique(textline_mask),'hizzzzz')
# slope_new=0#deskew_images(img_patch)
textline_mask = np.repeat(textline_mask[:, :, np.newaxis], 3, axis=2) * 255
textline_mask = textline_mask.astype(np.uint8)
kernel = np.ones((5, 5), np.uint8)
imgray = cv2.cvtColor(textline_mask, cv2.COLOR_BGR2GRAY)
ret, thresh = cv2.threshold(imgray, 0, 255, 0)
contours, hirarchy = cv2.findContours(thresh.copy(), cv2.RETR_TREE, cv2.CHAIN_APPROX_SIMPLE)
# print(hirarchy)
commenst_contours = filter_contours_area_of_image(thresh, contours, hirarchy, max_area=0.01, min_area=0.003)
main_contours = filter_contours_area_of_image(thresh, contours, hirarchy, max_area=1, min_area=0.003)
interior_contours = filter_contours_area_of_image_interiors(thresh, contours, hirarchy, max_area=1, min_area=0)
img_comm = np.zeros(thresh.shape)
img_comm_in = cv2.fillPoly(img_comm, pts=main_contours, color=(255, 255, 255))
###img_comm_in=cv2.fillPoly(img_comm, pts =interior_contours, color=(0,0,0))
img_comm_in = np.repeat(img_comm_in[:, :, np.newaxis], 3, axis=2)
img_comm_in = img_comm_in.astype(np.uint8)
imgray = cv2.cvtColor(img_comm_in, cv2.COLOR_BGR2GRAY)
##imgray = cv2.cvtColor(image, cv2.COLOR_BGR2HSV)
##mask = cv2.inRange(imgray, lower_blue, upper_blue)
ret, thresh = cv2.threshold(imgray, 0, 255, 0)
# print(np.unique(mask))
##ret, thresh = cv2.threshold(imgray, 0, 255, 0)
##plt.imshow(thresh)
##plt.show()
contours, hirarchy = cv2.findContours(thresh.copy(), cv2.cv2.RETR_TREE, cv2.CHAIN_APPROX_SIMPLE)
areas = [cv2.contourArea(contours[jj]) for jj in range(len(contours))]
median_area = np.mean(areas)
contours_slope = contours # self.find_polugons_size_filter(contours,median_area=median_area,scaler_up=100,scaler_down=0.5)
if len(contours_slope) > 0:
for jv in range(len(contours_slope)):
new_poly = list(contours_slope[jv])
if jv == 0:
merged_all = new_poly
else:
merged_all = merged_all + new_poly
merge = np.array(merged_all)
img_in = np.zeros(textline_mask.shape)
img_p_in = cv2.fillPoly(img_in, pts=[merge], color=(255, 255, 255))
##plt.imshow(img_p_in)
##plt.show()
rect = cv2.minAreaRect(merge)
box = cv2.boxPoints(rect)
box = np.int0(box)
indexes = [0, 1, 2, 3]
x_list = box[:, 0]
y_list = box[:, 1]
index_y_sort = np.argsort(y_list)
index_upper_left = index_y_sort[np.argmin(x_list[index_y_sort[0:2]])]
index_upper_right = index_y_sort[np.argmax(x_list[index_y_sort[0:2]])]
index_lower_left = index_y_sort[np.argmin(x_list[index_y_sort[2:]]) + 2]
index_lower_right = index_y_sort[np.argmax(x_list[index_y_sort[2:]]) + 2]
alpha1 = float(box[index_upper_right][1] - box[index_upper_left][1]) / (float(box[index_upper_right][0] - box[index_upper_left][0]))
alpha2 = float(box[index_lower_right][1] - box[index_lower_left][1]) / (float(box[index_lower_right][0] - box[index_lower_left][0]))
slope_true = (alpha1 + alpha2) / 2.0
# slope=0#slope_true/np.pi*180
# if abs(slope)>=1:
# slope=0
# dst=rotate_image(textline_mask,slope_true)
# dst=dst[:,:,0]
# dst[dst!=0]=1
image_regions_deskewd = np.zeros(textline_mask_org[:, :].shape)
for ind in np.unique(textline_mask_org[:, :]):
interest_reg = (textline_mask_org[:, :] == ind) * 1
interest_reg = interest_reg.astype(np.uint8)
deskewed_new = rotate_image(interest_reg, slope_true)
deskewed_new = deskewed_new[:, :]
deskewed_new[deskewed_new != 0] = ind
image_regions_deskewd = image_regions_deskewd + deskewed_new
return image_regions_deskewd, slope_true
more extraction of util/unused functions
4 years ago
def get_all_image_patches_coordination(self, image_page):
self.all_box_coord = []
for jk in range(len(self.boxes)):
_, crop_coor = crop_image_inside_box(self.boxes[jk], image_page)
self.all_box_coord.append(crop_coor)
do not store dpi on instance
4 years ago
def find_num_col_olddd(self, regions_without_seperators, sigma_, multiplier=3.8):
regions_without_seperators_0 = regions_without_seperators[:, :].sum(axis=1)
meda_n_updown = regions_without_seperators_0[len(regions_without_seperators_0) :: -1]
first_nonzero = next((i for i, x in enumerate(regions_without_seperators_0) if x), 0)
last_nonzero = next((i for i, x in enumerate(meda_n_updown) if x), 0)
last_nonzero = len(regions_without_seperators_0) - last_nonzero
y = regions_without_seperators_0 # [first_nonzero:last_nonzero]
y_help = np.zeros(len(y) + 20)
y_help[10 : len(y) + 10] = y
x = np.array(range(len(y)))
zneg_rev = -y_help + np.max(y_help)
zneg = np.zeros(len(zneg_rev) + 20)
zneg[10 : len(zneg_rev) + 10] = zneg_rev
z = gaussian_filter1d(y, sigma_)
zneg = gaussian_filter1d(zneg, sigma_)
peaks_neg, _ = find_peaks(zneg, height=0)
peaks, _ = find_peaks(z, height=0)
peaks_neg = peaks_neg - 10 - 10
last_nonzero = last_nonzero - 0 # 100
first_nonzero = first_nonzero + 0 # +100
peaks_neg = peaks_neg[(peaks_neg > first_nonzero) & (peaks_neg < last_nonzero)]
peaks = peaks[(peaks > 0.06 * regions_without_seperators.shape[1]) & (peaks < 0.94 * regions_without_seperators.shape[1])]
interest_pos = z[peaks]
interest_pos = interest_pos[interest_pos > 10]
interest_neg = z[peaks_neg]
if interest_neg[0] < 0.1:
interest_neg = interest_neg[1:]
if interest_neg[len(interest_neg) - 1] < 0.1:
interest_neg = interest_neg[: len(interest_neg) - 1]
min_peaks_pos = np.min(interest_pos)
min_peaks_neg = 0 # np.min(interest_neg)
dis_talaei = (min_peaks_pos - min_peaks_neg) / multiplier
grenze = min_peaks_pos - dis_talaei # np.mean(y[peaks_neg[0]:peaks_neg[len(peaks_neg)-1]])-np.std(y[peaks_neg[0]:peaks_neg[len(peaks_neg)-1]])/2.0
interest_neg_fin = interest_neg # [(interest_neg<grenze)]
peaks_neg_fin = peaks_neg # [(interest_neg<grenze)]
interest_neg_fin = interest_neg # [(interest_neg<grenze)]
num_col = (len(interest_neg_fin)) + 1
p_l = 0
p_u = len(y) - 1
p_m = int(len(y) / 2.0)
p_g_l = int(len(y) / 3.0)
p_g_u = len(y) - int(len(y) / 3.0)
diff_peaks = np.abs(np.diff(peaks_neg_fin))
diff_peaks_annormal = diff_peaks[diff_peaks < 30]
return interest_neg_fin
def return_regions_without_seperators_new(self, regions_pre, regions_only_text):
kernel = np.ones((5, 5), np.uint8)
regions_without_seperators = ((regions_pre[:, :] != 6) & (regions_pre[:, :] != 0) & (regions_pre[:, :] != 1) & (regions_pre[:, :] != 2)) * 1
# plt.imshow(regions_without_seperators)
# plt.show()
regions_without_seperators_n = ((regions_without_seperators[:, :] == 1) | (regions_only_text[:, :] == 1)) * 1
# regions_without_seperators=( (image_regions_eraly_p[:,:,:]!=6) & (image_regions_eraly_p[:,:,:]!=0) & (image_regions_eraly_p[:,:,:]!=5) & (image_regions_eraly_p[:,:,:]!=8) & (image_regions_eraly_p[:,:,:]!=7))*1
regions_without_seperators_n = regions_without_seperators_n.astype(np.uint8)
regions_without_seperators_n = cv2.erode(regions_without_seperators_n, kernel, iterations=6)
return regions_without_seperators_n
more extraction of util/unused functions
4 years ago
def find_images_contours_and_replace_table_and_graphic_pixels_by_image(region_pre_p):
# pixels of images are identified by 5
cnts_images = (region_pre_p[:, :, 0] == 5) * 1
cnts_images = cnts_images.astype(np.uint8)
cnts_images = np.repeat(cnts_images[:, :, np.newaxis], 3, axis=2)
imgray = cv2.cvtColor(cnts_images, cv2.COLOR_BGR2GRAY)
ret, thresh = cv2.threshold(imgray, 0, 255, 0)
contours_imgs, hiearchy = cv2.findContours(thresh, cv2.RETR_TREE, cv2.CHAIN_APPROX_SIMPLE)
contours_imgs = return_parent_contours(contours_imgs, hiearchy)
# print(len(contours_imgs),'contours_imgs')
contours_imgs = filter_contours_area_of_image_tables(thresh, contours_imgs, hiearchy, max_area=1, min_area=0.0003)
# print(len(contours_imgs),'contours_imgs')
boxes_imgs = return_bonding_box_of_contours(contours_imgs)
for i in range(len(boxes_imgs)):
x1 = int(boxes_imgs[i][0])
x2 = int(boxes_imgs[i][0] + boxes_imgs[i][2])
y1 = int(boxes_imgs[i][1])
y2 = int(boxes_imgs[i][1] + boxes_imgs[i][3])
region_pre_p[y1:y2, x1:x2, 0][region_pre_p[y1:y2, x1:x2, 0] == 8] = 5
region_pre_p[y1:y2, x1:x2, 0][region_pre_p[y1:y2, x1:x2, 0] == 7] = 5
return region_pre_p
def order_and_id_of_texts_old(found_polygons_text_region, matrix_of_orders, indexes_sorted):
id_of_texts = []
order_of_texts = []
index_b = 0
for mm in range(len(found_polygons_text_region)):
id_of_texts.append("r" + str(index_b))
index_matrix = matrix_of_orders[:, 0][(matrix_of_orders[:, 1] == 1) & (matrix_of_orders[:, 4] == mm)]
order_of_texts.append(np.where(indexes_sorted == index_matrix)[0][0])
index_b += 1
order_of_texts
return order_of_texts, id_of_texts
def order_of_regions_old(textline_mask, contours_main):
mada_n = textline_mask.sum(axis=1)
y = mada_n[:]
y_help = np.zeros(len(y) + 40)
y_help[20 : len(y) + 20] = y
x = np.array(range(len(y)))
peaks_real, _ = find_peaks(gaussian_filter1d(y, 3), height=0)
sigma_gaus = 8
z = gaussian_filter1d(y_help, sigma_gaus)
zneg_rev = -y_help + np.max(y_help)
zneg = np.zeros(len(zneg_rev) + 40)
zneg[20 : len(zneg_rev) + 20] = zneg_rev
zneg = gaussian_filter1d(zneg, sigma_gaus)
peaks, _ = find_peaks(z, height=0)
peaks_neg, _ = find_peaks(zneg, height=0)
peaks_neg = peaks_neg - 20 - 20
peaks = peaks - 20
if contours_main != None:
areas_main = np.array([cv2.contourArea(contours_main[j]) for j in range(len(contours_main))])
M_main = [cv2.moments(contours_main[j]) for j in range(len(contours_main))]
cx_main = [(M_main[j]["m10"] / (M_main[j]["m00"] + 1e-32)) for j in range(len(M_main))]
cy_main = [(M_main[j]["m01"] / (M_main[j]["m00"] + 1e-32)) for j in range(len(M_main))]
x_min_main = np.array([np.min(contours_main[j][:, 0, 0]) for j in range(len(contours_main))])
x_max_main = np.array([np.max(contours_main[j][:, 0, 0]) for j in range(len(contours_main))])
y_min_main = np.array([np.min(contours_main[j][:, 0, 1]) for j in range(len(contours_main))])
y_max_main = np.array([np.max(contours_main[j][:, 0, 1]) for j in range(len(contours_main))])
if contours_main != None:
indexer_main = np.array(range(len(contours_main)))
if contours_main != None:
len_main = len(contours_main)
else:
len_main = 0
matrix_of_orders = np.zeros((len_main, 5))
matrix_of_orders[:, 0] = np.array(range(len_main))
matrix_of_orders[:len_main, 1] = 1
matrix_of_orders[len_main:, 1] = 2
matrix_of_orders[:len_main, 2] = cx_main
matrix_of_orders[:len_main, 3] = cy_main
matrix_of_orders[:len_main, 4] = np.array(range(len_main))
peaks_neg_new = []
peaks_neg_new.append(0)
for iii in range(len(peaks_neg)):
peaks_neg_new.append(peaks_neg[iii])
peaks_neg_new.append(textline_mask.shape[0])
final_indexers_sorted = []
for i in range(len(peaks_neg_new) - 1):
top = peaks_neg_new[i]
down = peaks_neg_new[i + 1]
indexes_in = matrix_of_orders[:, 0][(matrix_of_orders[:, 3] >= top) & ((matrix_of_orders[:, 3] < down))]
cxs_in = matrix_of_orders[:, 2][(matrix_of_orders[:, 3] >= top) & ((matrix_of_orders[:, 3] < down))]
sorted_inside = np.argsort(cxs_in)
ind_in_int = indexes_in[sorted_inside]
for j in range(len(ind_in_int)):
final_indexers_sorted.append(int(ind_in_int[j]))
return final_indexers_sorted, matrix_of_orders
more extraction of util/unused functions
4 years ago
def remove_headers_and_mains_intersection(seperators_closeup_n, img_revised_tab, boxes):
for ind in range(len(boxes)):
asp = np.zeros((img_revised_tab[:, :, 0].shape[0], seperators_closeup_n[:, :, 0].shape[1]))
asp[int(boxes[ind][2]) : int(boxes[ind][3]), int(boxes[ind][0]) : int(boxes[ind][1])] = img_revised_tab[int(boxes[ind][2]) : int(boxes[ind][3]), int(boxes[ind][0]) : int(boxes[ind][1]), 0]
head_patch_con = (asp[:, :] == 2) * 1
main_patch_con = (asp[:, :] == 1) * 1
# print(head_patch_con)
head_patch_con = head_patch_con.astype(np.uint8)
main_patch_con = main_patch_con.astype(np.uint8)
head_patch_con = np.repeat(head_patch_con[:, :, np.newaxis], 3, axis=2)
main_patch_con = np.repeat(main_patch_con[:, :, np.newaxis], 3, axis=2)
imgray = cv2.cvtColor(head_patch_con, cv2.COLOR_BGR2GRAY)
ret, thresh = cv2.threshold(imgray, 0, 255, 0)
contours_head_patch_con, hiearchy = cv2.findContours(thresh, cv2.RETR_TREE, cv2.CHAIN_APPROX_SIMPLE)
contours_head_patch_con = return_parent_contours(contours_head_patch_con, hiearchy)
imgray = cv2.cvtColor(main_patch_con, cv2.COLOR_BGR2GRAY)
ret, thresh = cv2.threshold(imgray, 0, 255, 0)
contours_main_patch_con, hiearchy = cv2.findContours(thresh, cv2.RETR_TREE, cv2.CHAIN_APPROX_SIMPLE)
contours_main_patch_con = return_parent_contours(contours_main_patch_con, hiearchy)
y_patch_head_min, y_patch_head_max, _ = find_features_of_contours(contours_head_patch_con)
y_patch_main_min, y_patch_main_max, _ = find_features_of_contours(contours_main_patch_con)
for i in range(len(y_patch_head_min)):
for j in range(len(y_patch_main_min)):
if y_patch_head_max[i] > y_patch_main_min[j] and y_patch_head_min[i] < y_patch_main_min[j]:
y_down = y_patch_head_max[i]
y_up = y_patch_main_min[j]
patch_intersection = np.zeros(asp.shape)
patch_intersection[y_up:y_down, :] = asp[y_up:y_down, :]
head_patch_con = (patch_intersection[:, :] == 2) * 1
main_patch_con = (patch_intersection[:, :] == 1) * 1
head_patch_con = head_patch_con.astype(np.uint8)
main_patch_con = main_patch_con.astype(np.uint8)
head_patch_con = np.repeat(head_patch_con[:, :, np.newaxis], 3, axis=2)
main_patch_con = np.repeat(main_patch_con[:, :, np.newaxis], 3, axis=2)
imgray = cv2.cvtColor(head_patch_con, cv2.COLOR_BGR2GRAY)
ret, thresh = cv2.threshold(imgray, 0, 255, 0)
contours_head_patch_con, hiearchy = cv2.findContours(thresh, cv2.RETR_TREE, cv2.CHAIN_APPROX_SIMPLE)
contours_head_patch_con = return_parent_contours(contours_head_patch_con, hiearchy)
imgray = cv2.cvtColor(main_patch_con, cv2.COLOR_BGR2GRAY)
ret, thresh = cv2.threshold(imgray, 0, 255, 0)
contours_main_patch_con, hiearchy = cv2.findContours(thresh, cv2.RETR_TREE, cv2.CHAIN_APPROX_SIMPLE)
contours_main_patch_con = return_parent_contours(contours_main_patch_con, hiearchy)
_, _, areas_head = find_features_of_contours(contours_head_patch_con)
_, _, areas_main = find_features_of_contours(contours_main_patch_con)
if np.sum(areas_head) > np.sum(areas_main):
img_revised_tab[y_up:y_down, int(boxes[ind][0]) : int(boxes[ind][1]), 0][img_revised_tab[y_up:y_down, int(boxes[ind][0]) : int(boxes[ind][1]), 0] == 1] = 2
else:
img_revised_tab[y_up:y_down, int(boxes[ind][0]) : int(boxes[ind][1]), 0][img_revised_tab[y_up:y_down, int(boxes[ind][0]) : int(boxes[ind][1]), 0] == 2] = 1
elif y_patch_head_min[i] < y_patch_main_max[j] and y_patch_head_max[i] > y_patch_main_max[j]:
y_down = y_patch_main_max[j]
y_up = y_patch_head_min[i]
patch_intersection = np.zeros(asp.shape)
patch_intersection[y_up:y_down, :] = asp[y_up:y_down, :]
head_patch_con = (patch_intersection[:, :] == 2) * 1
main_patch_con = (patch_intersection[:, :] == 1) * 1
head_patch_con = head_patch_con.astype(np.uint8)
main_patch_con = main_patch_con.astype(np.uint8)
head_patch_con = np.repeat(head_patch_con[:, :, np.newaxis], 3, axis=2)
main_patch_con = np.repeat(main_patch_con[:, :, np.newaxis], 3, axis=2)
imgray = cv2.cvtColor(head_patch_con, cv2.COLOR_BGR2GRAY)
ret, thresh = cv2.threshold(imgray, 0, 255, 0)
contours_head_patch_con, hiearchy = cv2.findContours(thresh, cv2.RETR_TREE, cv2.CHAIN_APPROX_SIMPLE)
contours_head_patch_con = return_parent_contours(contours_head_patch_con, hiearchy)
imgray = cv2.cvtColor(main_patch_con, cv2.COLOR_BGR2GRAY)
ret, thresh = cv2.threshold(imgray, 0, 255, 0)
contours_main_patch_con, hiearchy = cv2.findContours(thresh, cv2.RETR_TREE, cv2.CHAIN_APPROX_SIMPLE)
contours_main_patch_con = return_parent_contours(contours_main_patch_con, hiearchy)
_, _, areas_head = find_features_of_contours(contours_head_patch_con)
_, _, areas_main = find_features_of_contours(contours_main_patch_con)
if np.sum(areas_head) > np.sum(areas_main):
img_revised_tab[y_up:y_down, int(boxes[ind][0]) : int(boxes[ind][1]), 0][img_revised_tab[y_up:y_down, int(boxes[ind][0]) : int(boxes[ind][1]), 0] == 1] = 2
else:
img_revised_tab[y_up:y_down, int(boxes[ind][0]) : int(boxes[ind][1]), 0][img_revised_tab[y_up:y_down, int(boxes[ind][0]) : int(boxes[ind][1]), 0] == 2] = 1
# print(np.unique(patch_intersection) )
##plt.figure(figsize=(20,20))
##plt.imshow(patch_intersection)
##plt.show()
else:
pass
return img_revised_tab
def tear_main_texts_on_the_boundaries_of_boxes(img_revised_tab, boxes):
for i in range(len(boxes)):
img_revised_tab[int(boxes[i][2]) : int(boxes[i][3]), int(boxes[i][1] - 10) : int(boxes[i][1]), 0][img_revised_tab[int(boxes[i][2]) : int(boxes[i][3]), int(boxes[i][1] - 10) : int(boxes[i][1]), 0] == 1] = 0
img_revised_tab[int(boxes[i][2]) : int(boxes[i][3]), int(boxes[i][1] - 10) : int(boxes[i][1]), 1][img_revised_tab[int(boxes[i][2]) : int(boxes[i][3]), int(boxes[i][1] - 10) : int(boxes[i][1]), 1] == 1] = 0
img_revised_tab[int(boxes[i][2]) : int(boxes[i][3]), int(boxes[i][1] - 10) : int(boxes[i][1]), 2][img_revised_tab[int(boxes[i][2]) : int(boxes[i][3]), int(boxes[i][1] - 10) : int(boxes[i][1]), 2] == 1] = 0
return img_revised_tab
def combine_hor_lines_and_delete_cross_points_and_get_lines_features_back(self, regions_pre_p):
seperators_closeup = ((regions_pre_p[:, :] == 6)) * 1
seperators_closeup = seperators_closeup.astype(np.uint8)
kernel = np.ones((5, 5), np.uint8)
seperators_closeup = cv2.dilate(seperators_closeup, kernel, iterations=1)
seperators_closeup = cv2.erode(seperators_closeup, kernel, iterations=1)
seperators_closeup = cv2.erode(seperators_closeup, kernel, iterations=1)
seperators_closeup = cv2.dilate(seperators_closeup, kernel, iterations=1)
if len(seperators_closeup.shape) == 2:
seperators_closeup_n = np.zeros((seperators_closeup.shape[0], seperators_closeup.shape[1], 3))
seperators_closeup_n[:, :, 0] = seperators_closeup
seperators_closeup_n[:, :, 1] = seperators_closeup
seperators_closeup_n[:, :, 2] = seperators_closeup
else:
seperators_closeup_n = seperators_closeup[:, :, :]
# seperators_closeup=seperators_closeup.astype(np.uint8)
seperators_closeup_n = seperators_closeup_n.astype(np.uint8)
imgray = cv2.cvtColor(seperators_closeup_n, cv2.COLOR_BGR2GRAY)
ret, thresh = cv2.threshold(imgray, 0, 255, 0)
contours_lines, hierachy = cv2.findContours(thresh, cv2.RETR_TREE, cv2.CHAIN_APPROX_SIMPLE)
slope_lines, dist_x, x_min_main, x_max_main, cy_main, slope_lines_org, y_min_main, y_max_main, cx_main = find_features_of_lines(contours_lines)
dist_y = np.abs(y_max_main - y_min_main)
slope_lines_org_hor = slope_lines_org[slope_lines == 0]
args = np.array(range(len(slope_lines)))
len_x = seperators_closeup.shape[1] * 0
len_y = seperators_closeup.shape[0] * 0.01
args_hor = args[slope_lines == 0]
dist_x_hor = dist_x[slope_lines == 0]
dist_y_hor = dist_y[slope_lines == 0]
x_min_main_hor = x_min_main[slope_lines == 0]
x_max_main_hor = x_max_main[slope_lines == 0]
cy_main_hor = cy_main[slope_lines == 0]
y_min_main_hor = y_min_main[slope_lines == 0]
y_max_main_hor = y_max_main[slope_lines == 0]
args_hor = args_hor[dist_x_hor >= len_x]
x_max_main_hor = x_max_main_hor[dist_x_hor >= len_x]
x_min_main_hor = x_min_main_hor[dist_x_hor >= len_x]
cy_main_hor = cy_main_hor[dist_x_hor >= len_x]
y_min_main_hor = y_min_main_hor[dist_x_hor >= len_x]
y_max_main_hor = y_max_main_hor[dist_x_hor >= len_x]
slope_lines_org_hor = slope_lines_org_hor[dist_x_hor >= len_x]
dist_y_hor = dist_y_hor[dist_x_hor >= len_x]
dist_x_hor = dist_x_hor[dist_x_hor >= len_x]
args_ver = args[slope_lines == 1]
dist_y_ver = dist_y[slope_lines == 1]
dist_x_ver = dist_x[slope_lines == 1]
x_min_main_ver = x_min_main[slope_lines == 1]
x_max_main_ver = x_max_main[slope_lines == 1]
y_min_main_ver = y_min_main[slope_lines == 1]
y_max_main_ver = y_max_main[slope_lines == 1]
cx_main_ver = cx_main[slope_lines == 1]
args_ver = args_ver[dist_y_ver >= len_y]
x_max_main_ver = x_max_main_ver[dist_y_ver >= len_y]
x_min_main_ver = x_min_main_ver[dist_y_ver >= len_y]
cx_main_ver = cx_main_ver[dist_y_ver >= len_y]
y_min_main_ver = y_min_main_ver[dist_y_ver >= len_y]
y_max_main_ver = y_max_main_ver[dist_y_ver >= len_y]
dist_x_ver = dist_x_ver[dist_y_ver >= len_y]
dist_y_ver = dist_y_ver[dist_y_ver >= len_y]
img_p_in_ver = np.zeros(seperators_closeup_n[:, :, 2].shape)
for jv in range(len(args_ver)):
img_p_in_ver = cv2.fillPoly(img_p_in_ver, pts=[contours_lines[args_ver[jv]]], color=(1, 1, 1))
img_in_hor = np.zeros(seperators_closeup_n[:, :, 2].shape)
for jv in range(len(args_hor)):
img_p_in_hor = cv2.fillPoly(img_in_hor, pts=[contours_lines[args_hor[jv]]], color=(1, 1, 1))
all_args_uniq = contours_in_same_horizon(cy_main_hor)
# print(all_args_uniq,'all_args_uniq')
if len(all_args_uniq) > 0:
if type(all_args_uniq[0]) is list:
contours_new = []
for dd in range(len(all_args_uniq)):
merged_all = None
some_args = args_hor[all_args_uniq[dd]]
some_cy = cy_main_hor[all_args_uniq[dd]]
some_x_min = x_min_main_hor[all_args_uniq[dd]]
some_x_max = x_max_main_hor[all_args_uniq[dd]]
img_in = np.zeros(seperators_closeup_n[:, :, 2].shape)
for jv in range(len(some_args)):
img_p_in = cv2.fillPoly(img_p_in_hor, pts=[contours_lines[some_args[jv]]], color=(1, 1, 1))
img_p_in[int(np.mean(some_cy)) - 5 : int(np.mean(some_cy)) + 5, int(np.min(some_x_min)) : int(np.max(some_x_max))] = 1
else:
img_p_in = seperators_closeup
else:
img_p_in = seperators_closeup
sep_ver_hor = img_p_in + img_p_in_ver
sep_ver_hor_cross = (sep_ver_hor == 2) * 1
sep_ver_hor_cross = np.repeat(sep_ver_hor_cross[:, :, np.newaxis], 3, axis=2)
sep_ver_hor_cross = sep_ver_hor_cross.astype(np.uint8)
imgray = cv2.cvtColor(sep_ver_hor_cross, cv2.COLOR_BGR2GRAY)
ret, thresh = cv2.threshold(imgray, 0, 255, 0)
contours_cross, _ = cv2.findContours(thresh, cv2.RETR_TREE, cv2.CHAIN_APPROX_SIMPLE)
cx_cross, cy_cross, _, _, _, _, _ = find_new_features_of_contoures(contours_cross)
for ii in range(len(cx_cross)):
sep_ver_hor[int(cy_cross[ii]) - 15 : int(cy_cross[ii]) + 15, int(cx_cross[ii]) + 5 : int(cx_cross[ii]) + 40] = 0
sep_ver_hor[int(cy_cross[ii]) - 15 : int(cy_cross[ii]) + 15, int(cx_cross[ii]) - 40 : int(cx_cross[ii]) - 4] = 0
img_p_in[:, :] = sep_ver_hor[:, :]
if len(img_p_in.shape) == 2:
seperators_closeup_n = np.zeros((img_p_in.shape[0], img_p_in.shape[1], 3))
seperators_closeup_n[:, :, 0] = img_p_in
seperators_closeup_n[:, :, 1] = img_p_in
seperators_closeup_n[:, :, 2] = img_p_in
else:
seperators_closeup_n = img_p_in[:, :, :]
# seperators_closeup=seperators_closeup.astype(np.uint8)
seperators_closeup_n = seperators_closeup_n.astype(np.uint8)
imgray = cv2.cvtColor(seperators_closeup_n, cv2.COLOR_BGR2GRAY)
ret, thresh = cv2.threshold(imgray, 0, 255, 0)
contours_lines, hierachy = cv2.findContours(thresh, cv2.RETR_TREE, cv2.CHAIN_APPROX_SIMPLE)
slope_lines, dist_x, x_min_main, x_max_main, cy_main, slope_lines_org, y_min_main, y_max_main, cx_main = find_features_of_lines(contours_lines)
dist_y = np.abs(y_max_main - y_min_main)
slope_lines_org_hor = slope_lines_org[slope_lines == 0]
args = np.array(range(len(slope_lines)))
len_x = seperators_closeup.shape[1] * 0.04
len_y = seperators_closeup.shape[0] * 0.08
args_hor = args[slope_lines == 0]
dist_x_hor = dist_x[slope_lines == 0]
dist_y_hor = dist_y[slope_lines == 0]
x_min_main_hor = x_min_main[slope_lines == 0]
x_max_main_hor = x_max_main[slope_lines == 0]
cy_main_hor = cy_main[slope_lines == 0]
y_min_main_hor = y_min_main[slope_lines == 0]
y_max_main_hor = y_max_main[slope_lines == 0]
args_hor = args_hor[dist_x_hor >= len_x]
x_max_main_hor = x_max_main_hor[dist_x_hor >= len_x]
x_min_main_hor = x_min_main_hor[dist_x_hor >= len_x]
cy_main_hor = cy_main_hor[dist_x_hor >= len_x]
y_min_main_hor = y_min_main_hor[dist_x_hor >= len_x]
y_max_main_hor = y_max_main_hor[dist_x_hor >= len_x]
slope_lines_org_hor = slope_lines_org_hor[dist_x_hor >= len_x]
dist_y_hor = dist_y_hor[dist_x_hor >= len_x]
dist_x_hor = dist_x_hor[dist_x_hor >= len_x]
args_ver = args[slope_lines == 1]
dist_y_ver = dist_y[slope_lines == 1]
dist_x_ver = dist_x[slope_lines == 1]
x_min_main_ver = x_min_main[slope_lines == 1]
x_max_main_ver = x_max_main[slope_lines == 1]
y_min_main_ver = y_min_main[slope_lines == 1]
y_max_main_ver = y_max_main[slope_lines == 1]
cx_main_ver = cx_main[slope_lines == 1]
args_ver = args_ver[dist_y_ver >= len_y]
x_max_main_ver = x_max_main_ver[dist_y_ver >= len_y]
x_min_main_ver = x_min_main_ver[dist_y_ver >= len_y]
cx_main_ver = cx_main_ver[dist_y_ver >= len_y]
y_min_main_ver = y_min_main_ver[dist_y_ver >= len_y]
y_max_main_ver = y_max_main_ver[dist_y_ver >= len_y]
dist_x_ver = dist_x_ver[dist_y_ver >= len_y]
dist_y_ver = dist_y_ver[dist_y_ver >= len_y]
matrix_of_lines_ch = np.zeros((len(cy_main_hor) + len(cx_main_ver), 10))
matrix_of_lines_ch[: len(cy_main_hor), 0] = args_hor
matrix_of_lines_ch[len(cy_main_hor) :, 0] = args_ver
matrix_of_lines_ch[len(cy_main_hor) :, 1] = cx_main_ver
matrix_of_lines_ch[: len(cy_main_hor), 2] = x_min_main_hor
matrix_of_lines_ch[len(cy_main_hor) :, 2] = x_min_main_ver
matrix_of_lines_ch[: len(cy_main_hor), 3] = x_max_main_hor
matrix_of_lines_ch[len(cy_main_hor) :, 3] = x_max_main_ver
matrix_of_lines_ch[: len(cy_main_hor), 4] = dist_x_hor
matrix_of_lines_ch[len(cy_main_hor) :, 4] = dist_x_ver
matrix_of_lines_ch[: len(cy_main_hor), 5] = cy_main_hor
matrix_of_lines_ch[: len(cy_main_hor), 6] = y_min_main_hor
matrix_of_lines_ch[len(cy_main_hor) :, 6] = y_min_main_ver
matrix_of_lines_ch[: len(cy_main_hor), 7] = y_max_main_hor
matrix_of_lines_ch[len(cy_main_hor) :, 7] = y_max_main_ver
matrix_of_lines_ch[: len(cy_main_hor), 8] = dist_y_hor
matrix_of_lines_ch[len(cy_main_hor) :, 8] = dist_y_ver
matrix_of_lines_ch[len(cy_main_hor) :, 9] = 1
return matrix_of_lines_ch, seperators_closeup_n
def image_change_background_pixels_to_zero(self, image_page):
image_back_zero = np.zeros((image_page.shape[0], image_page.shape[1]))
image_back_zero[:, :] = image_page[:, :, 0]
image_back_zero[:, :][image_back_zero[:, :] == 0] = -255
image_back_zero[:, :][image_back_zero[:, :] == 255] = 0
image_back_zero[:, :][image_back_zero[:, :] == -255] = 255
return image_back_zero