Datasets:
Tasks:
Image Classification
Modalities:
Image
Formats:
imagefolder
Languages:
English
Size:
100K - 1M
Tags:
OCR
Handwriting
Character Recognition
Grayscale Images
ASCII Labels
Optical Character Recognition
License:
Louis Rädisch
commited on
Commit
•
12e4d4b
1
Parent(s):
a7ad983
Update README.md
Browse files
README.md
CHANGED
@@ -40,25 +40,19 @@ def generate_noisy_images(num_images, image_size=(28, 28), output_dir='NoisyImag
|
|
40 |
|
41 |
for i in range(num_images):
|
42 |
variation_scale = abs(np.random.normal(30, 15))
|
43 |
-
|
44 |
noise = np.random.rand(image_size[0], image_size[1]) * 0.05
|
45 |
noise = (noise * 255).astype(np.uint8)
|
46 |
|
47 |
-
|
48 |
-
image = Image.fromarray(noise, mode='L') # 'L' for grayscale
|
49 |
|
50 |
-
# Invert the image
|
51 |
inverted_image = ImageOps.invert(image)
|
52 |
|
53 |
-
# Enhance the contrast with increased amplitude
|
54 |
enhancer = ImageEnhance.Contrast(inverted_image)
|
55 |
-
contrast_enhanced_image = enhancer.enhance(variation_scale)
|
56 |
|
57 |
-
# Save the image
|
58 |
contrast_enhanced_image.save(os.path.join(output_dir, f'{i}.jpg'), format=image_format)
|
59 |
|
60 |
-
# Generate 5000 noisy images
|
61 |
-
generate_noisy_images(5000)
|
62 |
```
|
63 |
|
64 |
## ASCII Table
|
@@ -157,6 +151,4 @@ generate_noisy_images(5000)
|
|
157 |
| 124 | \| |
|
158 |
| 125 | } |
|
159 |
| 126 | ~ |
|
160 |
-
| 999 | null
|
161 |
-
|
162 |
-
|
|
|
|
40 |
|
41 |
for i in range(num_images):
|
42 |
variation_scale = abs(np.random.normal(30, 15))
|
43 |
+
|
44 |
noise = np.random.rand(image_size[0], image_size[1]) * 0.05
|
45 |
noise = (noise * 255).astype(np.uint8)
|
46 |
|
47 |
+
image = Image.fromarray(noise, mode='L')
|
|
|
48 |
|
|
|
49 |
inverted_image = ImageOps.invert(image)
|
50 |
|
|
|
51 |
enhancer = ImageEnhance.Contrast(inverted_image)
|
52 |
+
contrast_enhanced_image = enhancer.enhance(variation_scale)
|
53 |
|
|
|
54 |
contrast_enhanced_image.save(os.path.join(output_dir, f'{i}.jpg'), format=image_format)
|
55 |
|
|
|
|
|
56 |
```
|
57 |
|
58 |
## ASCII Table
|
|
|
151 |
| 124 | \| |
|
152 |
| 125 | } |
|
153 |
| 126 | ~ |
|
154 |
+
| 999 | null |
|
|
|
|