Spaces:
Running
Running
Delete Task4_HuggingFace.py
Browse files- Task4_HuggingFace.py +0 -130
Task4_HuggingFace.py
DELETED
@@ -1,130 +0,0 @@
|
|
1 |
-
"""We can use Gradio to build the UI and then make it compatible for the Hugging face."""
|
2 |
-
import gradio as gr
|
3 |
-
import cv2
|
4 |
-
import numpy as np
|
5 |
-
import imutils
|
6 |
-
from PIL import Image
|
7 |
-
|
8 |
-
cv2.ocl.setUseOpenCL(False)
|
9 |
-
|
10 |
-
# Sharpening function
|
11 |
-
def image_sharpening(image):
|
12 |
-
kernel_sharpening = np.array([[-1, -1, -1],
|
13 |
-
[-1, 9, -1],
|
14 |
-
[-1, -1, -1]])
|
15 |
-
sharpened = cv2.filter2D(image, -1, kernel_sharpening)
|
16 |
-
return sharpened
|
17 |
-
|
18 |
-
# Remove black borders function
|
19 |
-
def remove_black_region(result):
|
20 |
-
gray = cv2.cvtColor(result, cv2.COLOR_BGR2GRAY)
|
21 |
-
thresh = cv2.threshold(gray, 0, 255, cv2.THRESH_BINARY)[1]
|
22 |
-
cnts = cv2.findContours(thresh.copy(), cv2.RETR_EXTERNAL, cv2.CHAIN_APPROX_SIMPLE)
|
23 |
-
cnts = imutils.grab_contours(cnts)
|
24 |
-
c = max(cnts, key=cv2.contourArea)
|
25 |
-
(x, y, w, h) = cv2.boundingRect(c)
|
26 |
-
crop = result[y:y + h, x:x + w]
|
27 |
-
return crop
|
28 |
-
|
29 |
-
# Key point detection and descriptor function
|
30 |
-
def detectAndDescribe(image, method='orb'):
|
31 |
-
if method == 'sift':
|
32 |
-
descriptor = cv2.SIFT_create()
|
33 |
-
elif method == 'brisk':
|
34 |
-
descriptor = cv2.BRISK_create()
|
35 |
-
elif method == 'orb':
|
36 |
-
descriptor = cv2.ORB_create()
|
37 |
-
(kps, features) = descriptor.detectAndCompute(image, None)
|
38 |
-
return kps, features
|
39 |
-
|
40 |
-
# Matcher creation
|
41 |
-
def createMatcher(method, crossCheck):
|
42 |
-
if method in ['sift', 'surf']:
|
43 |
-
bf = cv2.BFMatcher(cv2.NORM_L2, crossCheck=crossCheck)
|
44 |
-
else:
|
45 |
-
bf = cv2.BFMatcher(cv2.NORM_HAMMING, crossCheck=crossCheck)
|
46 |
-
return bf
|
47 |
-
|
48 |
-
# Matching key points
|
49 |
-
def matchKeyPointsKNN(featuresA, featuresB, ratio, method):
|
50 |
-
bf = createMatcher(method, crossCheck=False)
|
51 |
-
rawMatches = bf.knnMatch(featuresA, featuresB, 2)
|
52 |
-
matches = []
|
53 |
-
for m, n in rawMatches:
|
54 |
-
if m.distance < n.distance * ratio:
|
55 |
-
matches.append(m)
|
56 |
-
return matches
|
57 |
-
|
58 |
-
# Homography calculation
|
59 |
-
def getHomography(kpsA, kpsB, featuresA, featuresB, matches, reprojThresh=4.0):
|
60 |
-
kpsA = np.float32([kp.pt for kp in kpsA])
|
61 |
-
kpsB = np.float32([kp.pt for kp in kpsB])
|
62 |
-
if len(matches) > 4:
|
63 |
-
ptsA = np.float32([kpsA[m.queryIdx] for m in matches])
|
64 |
-
ptsB = np.float32([kpsB[m.trainIdx] for m in matches])
|
65 |
-
(H, status) = cv2.findHomography(ptsA, ptsB, cv2.RANSAC, reprojThresh)
|
66 |
-
return matches, H, status
|
67 |
-
else:
|
68 |
-
return None
|
69 |
-
|
70 |
-
# Stitching function for two images
|
71 |
-
def stitch_two_images(queryImg, trainImg, feature_extractor):
|
72 |
-
queryImg_gray = cv2.cvtColor(queryImg, cv2.COLOR_BGR2GRAY)
|
73 |
-
trainImg_gray = cv2.cvtColor(trainImg, cv2.COLOR_BGR2GRAY)
|
74 |
-
kpsA, featuresA = detectAndDescribe(trainImg_gray, method=feature_extractor)
|
75 |
-
kpsB, featuresB = detectAndDescribe(queryImg_gray, method=feature_extractor)
|
76 |
-
matches = matchKeyPointsKNN(featuresA, featuresB, ratio=0.75, method=feature_extractor)
|
77 |
-
M = getHomography(kpsA, kpsB, featuresA, featuresB, matches, reprojThresh=5)
|
78 |
-
if M is None:
|
79 |
-
return None
|
80 |
-
(matches, H, status) = M
|
81 |
-
width = trainImg.shape[1] + queryImg.shape[1]
|
82 |
-
height = trainImg.shape[0] + queryImg.shape[0]
|
83 |
-
result = cv2.warpPerspective(trainImg, H, (width, height))
|
84 |
-
result[0:queryImg.shape[0], 0:queryImg.shape[1]] = queryImg
|
85 |
-
crop_image = remove_black_region(result)
|
86 |
-
return crop_image
|
87 |
-
|
88 |
-
# Calculate target brightness
|
89 |
-
def calculate_target_brightness(images):
|
90 |
-
brightness_values = [np.mean(image.astype(np.float32)) for image in images]
|
91 |
-
return np.mean(brightness_values)
|
92 |
-
|
93 |
-
# Brightness adjustment
|
94 |
-
def global_brightness_adjustment(images, target_brightness):
|
95 |
-
adjusted_images = []
|
96 |
-
for image in images:
|
97 |
-
image_float = image.astype(np.float32)
|
98 |
-
avg_brightness = np.mean(image_float)
|
99 |
-
brightness_shift = target_brightness - avg_brightness
|
100 |
-
adjusted_image = image_float + brightness_shift
|
101 |
-
adjusted_image = np.clip(adjusted_image, 0, 255).astype(np.uint8)
|
102 |
-
adjusted_images.append(adjusted_image)
|
103 |
-
return adjusted_images
|
104 |
-
|
105 |
-
# Main Stitching function
|
106 |
-
def stitch_images(uploaded_files, feature_extractor):
|
107 |
-
images = [cv2.cvtColor(np.array(Image.open(file)), cv2.COLOR_RGB2BGR) for file in uploaded_files]
|
108 |
-
if len(images) == 0:
|
109 |
-
return None
|
110 |
-
# feature_extractor = 'orb'
|
111 |
-
target_brightness = calculate_target_brightness(images)
|
112 |
-
adjusted_images = global_brightness_adjustment(images, target_brightness)
|
113 |
-
stitched_image = adjusted_images[0]
|
114 |
-
for i in range(1, len(adjusted_images)):
|
115 |
-
queryImg = stitched_image
|
116 |
-
trainImg = adjusted_images[i]
|
117 |
-
stitched_image = stitch_two_images(queryImg, trainImg, feature_extractor)
|
118 |
-
return cv2.cvtColor(stitched_image, cv2.COLOR_BGR2RGB)
|
119 |
-
|
120 |
-
# Gradio interface with feature extractor selector
|
121 |
-
with gr.Blocks() as demo:
|
122 |
-
gr.Markdown("## Image Stitching App with Feature Extractor Selection")
|
123 |
-
image_input = gr.Files(label="Upload Images", type="filepath")
|
124 |
-
extractor_input = gr.Dropdown(choices=["orb", "sift", "brisk"], label="Feature Extractor", value="orb")
|
125 |
-
image_output = gr.Image(type="numpy", label="Stitched Image")
|
126 |
-
process_button = gr.Button("Process Image")
|
127 |
-
process_button.click(stitch_images, inputs=[image_input, extractor_input], outputs=image_output)
|
128 |
-
|
129 |
-
# Launch the Gradio app
|
130 |
-
demo.launch()
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|