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add_bbox.py
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add_bbox.py
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import os
import re
import random
import string
import cv2
import decimal
import numpy as np
from matplotlib import pyplot as plt
import seaborn as sns
import pandas as pd
from matplotlib.colors import ListedColormap
def add_bbox(image, bbox, classes):
"""
Classes:
0 - Red
1 - Green
2 - Blue
3 - Purple
4 - Yellow
5 - Cyan
6 - Orange
"""
print(classes)
classes = int(classes)
image = cv2.imread(image)
if classes == 0:
colour = (0,0,255) #red
elif classes == 1:
colour = (0,255,0) #green
elif classes == 2:
colour = (255,0,0) #blue
elif classes == 3:
colour = (255,0,255) #fushia
elif classes == 4:
colour = (255,255,0) #yellow
elif classes == 5:
colour = (0,255,255) #cyan
elif classes == 6:
colour = (255,172,28) #orange
elif classes == 7:
colour = (255,255,255) #white
elif classes == 8:
colour = (0,0,0) #black
elif classes == 9:
colour = (235,92,135) #pink
elif classes == 10:
colour = (91,5,145) #purple
elif classes == 11:
colour = (173,241,33) #lime
elif classes == 12:
colour = (137,73,80) #brown
else:
print('We dont have a colour setup for that class')
left_x = bbox[0]
top_y = bbox[1]
right_x = bbox[2]
bottom_y = bbox[3]
print(left_x, top_y, right_x, bottom_y)
print(colour)
img = cv2.rectangle(image, (left_x,top_y), (right_x,bottom_y), colour, 2)
return img
def iou_1(boxA, boxB):
# determine the (x, y)-coordinates of the intersection rectangle
xA = max(boxA[0], boxB[0])
yA = max(boxA[1], boxB[1])
xB = min(boxA[2], boxB[2])
yB = min(boxA[3], boxB[3])
# compute the area of intersection rectangle
if xA < xB and yA < yB:
I = (xB - xA) * (yB - yA)
else:
I = 0
# compute the area of both the prediction and ground-truth
# rectangles
boxAArea = (boxA[2] - boxA[0]) * (boxA[3] - boxA[1])
boxBArea = (boxB[2] - boxB[0]) * (boxB[3] - boxB[1])
boxAArea = abs(boxAArea)
boxBArea = abs(boxBArea)
# compute the intersection over union by taking the intersection
# area and dividing it by the sum of prediction + ground-truth
# areas - the interesection area
interArea = I
if float(boxAArea + boxBArea - I) <= 0:
iou = 0
elif float(boxAArea + boxBArea - I) >= 1:
print(float(boxAArea + boxBArea - I))
iou = 1
else:
iou = interArea / float(boxAArea + boxBArea - I)
iou = abs(iou)
# return the intersection over union value
return iou
def get_iou(bb1, bb2):
"""
Calculate the Intersection over Union (IoU) of two bounding boxes.
Parameters
----------
bb1 : dict
Keys: {'x1', 'x2', 'y1', 'y2'}
The (x1, y1) position is at the top left corner,
the (x2, y2) position is at the bottom right corner
bb2 : dict
Keys: {'x1', 'x2', 'y1', 'y2'}
The (x, y) position is at the top left corner,
the (x2, y2) position is at the bottom right corner
Returns
-------
float
in [0, 1]
"""
# print(bb1)
# print(bb2)
assert bb1[0] <= bb1[2]
assert bb1[1] <= bb1[3]
assert bb2[0] <= bb2[2]
assert bb2[1] <= bb2[3]
# determine the coordinates of the intersection rectangle
x_left = max(bb1[0], bb2[0])
y_top = max(bb1[1], bb2[1])
x_right = min(bb1[2], bb2[2])
y_bottom = min(bb1[3], bb2[3])
if x_right < x_left or y_bottom < y_top:
return 0.0
# The intersection of two axis-aligned bounding boxes is always an
# axis-aligned bounding box.
# NOTE: We MUST ALWAYS add +1 to calculate area when working in
# screen coordinates, since 0,0 is the top left pixel, and w-1,h-1
# is the bottom right pixel. If we DON'T add +1, the result is wrong.
intersection_area = (x_right - x_left + 1) * (y_bottom - y_top + 1)
# compute the area of both AABBs
bb1_area = (bb1[2] - bb1[0] + 1) * (bb1[3] - bb1[1] + 1)
bb2_area = (bb2[2] - bb2[0] + 1) * (bb2[3] - bb2[1] + 1)
# compute the intersection over union by taking the intersection
# area and dividing it by the sum of prediction + ground-truth
# areas - the interesection area
iou = intersection_area / float(bb1_area + bb2_area - intersection_area)
# print(iou)
assert iou >= 0.0
assert iou <= 1.0
return iou
def iou_2(boxG, boxP):
boxA = (min(boxG[0], boxG[2]), min(boxG[1], boxG[3]), max(boxG[0], boxG[2]), max(boxG[1], boxG[3]))
boxB = (min(boxP[0], boxP[2]), min(boxP[1], boxP[3]), max(boxP[0], boxP[2]), max(boxP[1], boxP[3]))
Bg = (boxA[2] - boxA[0]) * (boxA[3] - boxA[1])
Bp = (boxB[2] - boxB[0]) * (boxB[3] - boxB[1])
xA = max(boxA[0], boxB[0])
yA = max(boxA[1], boxB[1])
xB = min(boxA[2], boxB[2])
yB = min(boxA[3], boxB[3])
if xA < xB and yA < yB:
I = (xB - xA) * (yB - yA)
else:
I = 0
U = Bg + Bp - I
return I/U
def bb_intersection_over_union(boxA, boxB):
# determine the (x, y)-coordinates of the intersection rectangle
xA = max(boxA[0], boxB[0])
yA = max(boxA[1], boxB[1])
xB = min(boxA[2], boxB[2])
yB = min(boxA[3], boxB[3])
# compute the area of intersection rectangle
interArea = max(0, xB - xA + 1) * max(0, yB - yA + 1)
# compute the area of both the prediction and ground-truth
# rectangles
boxAArea = (boxA[2] - boxA[0] + 1) * (boxA[3] - boxA[1] + 1)
boxBArea = (boxB[2] - boxB[0] + 1) * (boxB[3] - boxB[1] + 1)
# compute the intersection over union by taking the intersection
# area and dividing it by the sum of prediction + ground-truth
# areas - the interesection area
iou = interArea / float(boxAArea + boxBArea - interArea)
# return the intersection over union value
return iou
def iou(bbox1, bbox2):
return get_iou(bbox1, bbox2)
def iterate_over_images(list, path_to_images, save_directory, name):
fill = open(list, 'r')
for line in fill:
lin = line.split(' ')
image = lin[0]
classes = str(lin[1])
x1 = int(lin[2])
y1 = int(lin[3])
x2 = int(lin[4])
y2 = int(lin[5])
confidence = lin[6]
if list == 'pd.txt':
print('pd file')
if classes == 0:
classes == 4
elif classes == 1:
classes == 5
elif list[0] == 'r':
if classes == 0:
classes == 4
elif classes == 1:
classes == 5
bbox_coordinates = [x1, y1, x2, y2]
print(bbox_coordinates)
img = add_bbox(path_to_images + image + '.jpg', bbox_coordinates, int(classes))
cv2.imwrite(save_directory + image + '_' + name + '.jpg', img)
def reiterate_over_images(list, path_to_images, save_directory, name):
fill = open(list, 'r')
for line in fill:
lin = line.split(' ')
image = lin[0]
classes = str(lin[1])
x1 = int(lin[2])
y1 = int(lin[3])
x2 = int(lin[4])
y2 = int(lin[5])
confidence = lin[6]
if list == 'pd.txt':
print('pd file')
if classes == 0:
classes == 4
elif classes == 1:
classes == 5
elif list[0] == 'r':
if classes == 0:
classes == 4
elif classes == 1:
classes == 5
bbox_coordinates = [x1, y1, x2, y2]
print(bbox_coordinates)
img = add_bbox(path_to_images + image + '_' + name + '.jpg', bbox_coordinates, int(classes))
cv2.imwrite(save_directory + image + '_' + name + '.jpg', img)
# iterate_over_images('/home/as-hunt/results.txt', '/home/as-hunt/ni/', '/home/as-hunt/')
# iterate_over_images('/home/as-hunt/results.txt', '/home/as-hunt/', '/home/as-hunt/')
def get_prediction_mistakes(gt_file, pd_file, path_to_images, save_directory):
gt = open(gt_file)
pd = open(pd_file)
for line in pd:
li = line.split(' ')
name = li[0]
classes = li[1]
bbox = [int(li[2]), int(li[3]), int(li[4]), int(li[5])]
confidence = li[6]
print(name)
for lune in gt:
lu = lune.split(' ')
if lu[0] == name:
print("Image match")
nome = lu[0]
clisses = lu[1]
bbax = [int(lu[2]), int(lu[3]), int(lu[4]), int(lu[5])]
canfidence = lu[6]
if iou(bbox, bbax) >= 0.5:
print("overlap")
print(iou(bbox,bbax))
if classes == clisses:
print("Classes match! Success!")
else:
print("Classes do not match, detection error")
classes = 3
img = add_bbox(path_to_images + name+ '.jpg', bbox, int(classes))
cv2.imwrite(save_directory + name + '.jpg', img)
else:
print("no overlap")
if classes== 0:
classes = 4
elif classes == 1:
classes = 5
elif classes == 2:
classes = 6
img = add_bbox(path_to_images + name+ '.jpg', bbox, int(classes))
cv2.imwrite(save_directory + name + '.jpg', img)
# get_prediction_mistakes('gt.txt', 'pd.txt', '/home/as-hunt/Etra-Space/new_data_sidless_no_rcc_1/valid/', '/home/as-hunt/workspace/')
# get_prediction_mistakes('gt.txt', 'pd.txt', '/home/as-hunt/workspace/', '/home/as-hunt/workspace/')
def get_prediction_mistakes_iterative(gt_file, pd_file, path_to_images, save_directory):
gt = open(gt_file)
gt_array = []
pd = open(pd_file)
pd_array = []
matches = []
for line in pd:
li = line.split(' ')
name = li[0]
classes = li[1]
bbox = [int(li[2]), int(li[3]), int(li[4]), int(li[5])]
confidence = li[6]
pd_array.append([name, bbox, classes, confidence])
for lune in gt:
lu = lune.split(' ')
nome = lu[0]
clisses = lu[1]
bbax = [int(lu[2]), int(lu[3]), int(lu[4]), int(lu[5])]
gt_array.append([nome, bbax, clisses])
length = len(gt_array)
for item in pd_array:
print(item[0])
name = item[0]
bbox = item[1]
classes = item[2]
confidence = item[3]
for thing in gt_array:
nome = thing[0]
bbax = thing[1]
# print(bbax)
clisses = thing[2]
if name in thing[0]:
print("Found")
place = gt_array.index(thing)
print("Place is :" + str(place))
if iou(bbox, bbax) >= 0.4:
print("overlap")
print(iou(bbox,bbax))
matches.append([name, bbox, classes])
if classes == clisses:
print("Classes match! Success!")
print("item removed")
print(gt_array[place])
gt_array.remove(thing)
else:
print("Classes do not match, detection error")
classes = 4
img = add_bbox(path_to_images + name+ '.jpg', bbox, int(classes))
cv2.imwrite(save_directory + name + '.jpg', img)
else:
print("no overlap")
if classes== 0:
classes = 5
elif classes == 1:
classes = 6
elif classes == 2:
classes = 7
elif classes == 3:
classes = 8
img = add_bbox(path_to_images + name+ '.jpg', bbox, int(classes))
cv2.imwrite(save_directory + name + '.jpg', img)
print("length of gt array is " + str(len(gt_array)))
print(length)
for item in gt_array:
if item[0] not in matches:
print('No matches for '+ item[0])
name = item[0]
bbox = item[1]
classes = item[2]
if classes== 0:
classes = 9
elif classes == 1:
classes = 10
elif classes == 2:
classes = 11
elif classes == 3:
classes = 12
img = add_bbox(path_to_images + name+ '.jpg', bbox, int(classes))
cv2.imwrite(save_directory + name + '.jpg', img)
def normalize(df):
result = df.copy()
for feature_name in df.columns:
max_value = df[feature_name].max()
min_value = df[feature_name].min()
result[feature_name] = (df[feature_name] - min_value) / (max_value - min_value)
return result
def plot_bbox_area(gt_file, pd_file, save_name='areas.png'):
names = []
values = []
gtchaart = []
pdchaart = []
areas = []
gt_array = []
pd_array = []
dfp = []
classesp = []
classesg = []
combined = []
tagp = []
tagg = []
ious = []
dfg = []
listed = open(pd_file, 'r')
losted = open(gt_file, 'r')
for line in listed:
li = line.split(' ')
name = li[0]
classes = li[1]
bbox = [int(li[2]), int(li[3]), int(li[4]), int(li[5])]
confidence = li[6]
pd_array.append([name, bbox, classes, confidence])
for lune in losted:
lu = lune.split(' ')
nome = lu[0]
clisses = lu[1]
bbax = [int(lu[2]), int(lu[3]), int(lu[4]), int(lu[5])]
gt_array.append([nome, bbax, clisses])
for item in pd_array:
name = item[0]
bbox = item[1]
classes = item[2]
confidence = item[3]
for thing in gt_array:
nome = thing[0]
bbax = thing[1]
clisses = thing[2]
if name in thing[0]:
place = gt_array.index(thing)
# print(iou(bbox, bbax))
if iou(bbax, bbox) >= 0.5:
pdchaart.append([classes, (abs(int(bbox[2]) - int(bbox[0])) * abs(int(bbox[3]) - int(bbox[1])))])
gtchaart.append([clisses, (abs(int(bbax[2]) - int(bbax[0])) * abs(int(bbax[3]) - int(bbax[1])))])
classesp.append(classes)
classesg.append(clisses)
# combined.append([(abs(int(bbox[2]) - int(bbox[0])) * abs(int(bbox[3]) - int(bbox[1]))), (abs(int(bbax[2]) - int(bbax[0])) * abs(int(bbax[3]) - int(bbax[1])))])
dfp.append(float(abs(int(bbox[2]) - int(bbox[0])) * abs(int(bbox[3]) - int(bbox[1]))))
dfg.append(float(abs(int(bbax[2]) - int(bbax[0])) * abs(int(bbax[3]) - int(bbax[1]))))
tagp.append('PD')
tagg.append('GT')
if classes == clisses:
match = True
combined.append([(abs(int(bbax[2]) - int(bbax[0])) * abs(int(bbax[3]) - int(bbax[1]))), (abs(int(bbox[2]) - int(bbox[0])) * abs(int(bbox[3]) - int(bbox[1]))), float(classes), float(clisses), match, float(iou(bbax, bbox))])
else:
match = False
combined.append([(abs(int(bbax[2]) - int(bbax[0])) * abs(int(bbax[3]) - int(bbax[1]))), (abs(int(bbox[2]) - int(bbox[0])) * abs(int(bbox[3]) - int(bbox[1]))), float(classes), float(clisses), match, float(iou(bbax, bbox))])
gt_array.pop(place)
for item in areas:
names.append(item[0])
values.append(item[1])
fig, axs = plt.subplots(1, figsize=(9, 3), sharey=True)
cl0 = []
cl1 = []
cl2 = []
cl3 = []
cl4 = []
cl5 = []
gcl0 = []
gcl1 = []
gcl2 = []
gcl3 = []
gcl4 = []
gcl5 = []
for item in pdchaart:
# print(item)
if item[0] == '0':
cl0.append(item[1])
elif item[0] == '1':
cl1.append(item[1])
elif item[0] == '2':
cl2.append(item[1])
elif item[0] == '3':
cl3.append(item[1])
elif item[0] == '4':
cl4.append(item[1])
elif item[0] == '5':
cl5.append(item[1])
for item in gtchaart:
# print(item)
if item[0] == '0':
gcl0.append(item[1])
elif item[0] == '1':
gcl1.append(item[1])
elif item[0] == '2':
gcl2.append(item[1])
elif item[0] == '3':
gcl3.append(item[1])
elif item[0] == '4':
gcl4.append(item[1])
elif item[0] == '5':
gcl5.append(item[1])
fig, axs = plt.subplots(2, 2)
# fig.tight_layout()
# fig = plt.gcf()
fig.set_size_inches(16, 10)
# fig.add_gridspec(2, 3)
fig.savefig('test2png.png', dpi=100)
df = pd.DataFrame({'Class':classesp, 'Area':dfp, 'Dataset':tagp}, columns=["Class", "Area", "Dataset"])
for i in range(len(classesg)):
new_row = {'Class': classesg[i], 'Area': dfg[i], 'Dataset': tagg[i]}
df = df.append(new_row, ignore_index=True)
# print(df)
sns.violinplot(data=df, cut=0, x='Class', y='Area', inner='box', scale='count', hue="Dataset", split=True, ax=axs[0, 0])
axs[0, 0].set_title('Bbox Area Plotting per Class')
# plt.savefig(save_name+'_2.png', bbox_inches='tight')
# plt.clf()
du = pd.DataFrame(combined, columns=["x", "y", 'PD_class', 'GT_class', 'Match', 'IoU'])
sns.scatterplot(data=du, x="x", y="y", ax=axs[1, 0], hue='Match', palette=["Red", "Blue",])
axs[1, 0].set_title('Ground Truth Bbox by Predicted Bbox Areas coloured by Match of Classes')
axs[1, 0].set(xlabel='Ground Truth Areas (pixels)', ylabel='Predicted Areas (pixels)')
sns.scatterplot(data=du, x="x", y="y", ax=axs[0,1], hue='PD_class', palette=["Red", "Blue", "Green", "Purple", "Yellow", "Cyan"])
axs[0, 1].set_title('Ground Truth Bbox by Predicted Bbox Areas coloured by Prediction Classes')
axs[0, 1].set(xlabel='Ground Truth Areas (pixels)', ylabel='Predicted Areas (pixels)')
sns.scatterplot(data=du, x="x", y="y", ax=axs[1, 1], hue='GT_class', palette=["Red", "Blue", "Green", "Purple", "Yellow", "Cyan"])
axs[1, 1].set_title('Ground Truth Bbox by Predicted Bbox Areas coloured by Ground Truth Classes')
axs[1, 1].set(xlabel='Ground Truth Areas (pixels)', ylabel='Predicted Areas (pixels)')
plt.savefig(save_name+'_details.png', bbox_inches='tight')
# plt.clf()
# print(du)
# du.to_csv(save_name+'_2.csv')
plt.clf()
x = du['x']
y = du['y']
z = du['IoU']
w = du['PD_class']
plt.rcParams["figure.figsize"] = [16, 10]
plt.rcParams["figure.autolayout"] = True
fig = plt.figure()
ax = fig.add_subplot(projection='3d')
cmap = ListedColormap(sns.color_palette("husl", 256).as_hex())
sc = ax.scatter(x, y, z, c=w ,cmap='viridis')
plt.legend(*sc.legend_elements(), bbox_to_anchor=(1.05, 1), loc=2)
ax.view_init(40, 60)
print(du)
plt.savefig(save_name+'_33.png', bbox_inches='tight')
def export_errors(gt_file, pd_file, save_name='Error_'):
names = []
values = []
gtchaart = []
pdchaart = []
areas = []
gt_array = []
pd_array = []
dfp = []
classesp = []
classesg = []
combined = []
tagp = []
tagg = []
ious = []
dfg = []
listed = open(pd_file, 'r')
losted = open(gt_file, 'r')
for line in listed:
li = line.split(' ')
name = li[0]
classes = li[1]
bbox = [int(li[2]), int(li[3]), int(li[4]), int(li[5])]
confidence = li[6]
pd_array.append([name, bbox, classes, confidence])
for lune in losted:
lu = lune.split(' ')
nome = lu[0]
clisses = lu[1]
bbax = [int(lu[2]), int(lu[3]), int(lu[4]), int(lu[5])]
gt_array.append([nome, bbax, clisses])
for item in pd_array:
name = item[0]
bbox = item[1]
classes = item[2]
confidence = item[3]
for thing in gt_array:
nome = thing[0]
bbax = thing[1]
clisses = thing[2]
if name in thing[0]:
place = gt_array.index(thing)
# print(iou(bbox, bbax))
if iou(bbax, bbox) >= 0.5:
if classes == clisses:
# pass
print(name)
path = '/home/as-hunt/'
path2 = '/home/as-hunt/Etra-Space/white-thirds/test/'
print(path)
# Add function to add bbox on image
save_name = path + 'Match_' + name + '.png'
print(save_name)
gt_image = path2 + name + '.jpg'
pd_image = path2 + nome + '.jpg'
print(classes)
print(clisses)
print(gt_image, bbax, clisses)
labelled_gt_image = add_bbox(gt_image, bbax, clisses)
labelled_pd_image = add_bbox(pd_image, bbox, classes)
fig, axs = plt.subplots(1, 2)
axs[0].imshow(labelled_gt_image)
axs[0].set_title('Ground Truth')
axs[1].imshow(labelled_pd_image)
axs[1].set_title('Prediction')
plt.figtext(0.20, 0.15, 'Red - Lymphocyte, Green - Monocyte Blue - Neutrophil')
plt.savefig(save_name , bbox_inches='tight')
else:
print(name)
path = '/home/as-hunt/'
path2 = '/home/as-hunt/Etra-Space/white-thirds/test/'
print(path)
# Add function to add bbox on image
save_name = path + 'Error_' + name + '.png'
print(save_name)
gt_image = path2 + name + '.jpg'
pd_image = path2 + nome + '.jpg'
print(classes)
print(clisses)
print(gt_image, bbax, clisses)
labelled_gt_image = add_bbox(gt_image, bbax, clisses)
labelled_pd_image = add_bbox(pd_image, bbox, classes)
fig, axs = plt.subplots(1, 2)
axs[0].imshow(labelled_gt_image)
axs[0].set_title('Ground Truth')
axs[1].imshow(labelled_pd_image)
axs[1].set_title('Prediction')
plt.figtext(0.20, 0.15, 'Red - Lymphocyte, Green - Monocyte Blue - Neutrophil')
plt.savefig(save_name , bbox_inches='tight')
gt_array.pop(place)