crop
Usage
Crops a region from an image following the specified coordinates of the upper left corner, width, and height of the region. It does not involve image scaling and only extracts the specified region.
Interface
1 | torchvision.transforms.crop(img, top, left, height, width) |
Parameters
Parameter |
Description |
Value Range |
Input/Output |
|---|---|---|---|
img |
Input image. |
torch.Tensor |
Input |
top |
Upper coordinate of the region. |
[0, image height) |
Input |
left |
Left coordinate of the region. |
[0, image width) |
Input |
height |
Height of the region. |
(0, image height – top] |
Input |
width |
Width of the region. |
(0, image width – left] |
Input |
Example
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 | from torchvision import transforms from PIL import Image # Open an image. img = Image.open('example.jpg') # Define cropping parameters. top = 50 left = 50 height = 100 width = 100 # Crop the image. cropped_img = transforms.functional.crop(img, top, left, height, width) # Save the cropped image. cropped_img.save('cropped_example.jpg') |
Parent topic: Interface Definition