downscale
Downscale
¶
Bases: ImageOnlyAlbumentation
Decrease image quality by downscaling and then upscaling.
Parameters:
Name | Type | Description | Default |
---|---|---|---|
inputs |
Union[str, Iterable[str]]
|
Key(s) of images to be modified. |
required |
outputs |
Union[str, Iterable[str]]
|
Key(s) into which to write the modified images. |
required |
mode |
Union[None, str, Iterable[str]]
|
What mode(s) to execute this Op in. For example, "train", "eval", "test", or "infer". To execute regardless of mode, pass None. To execute in all modes except for a particular one, you can pass an argument like "!infer" or "!train". |
None
|
ds_id |
Union[None, str, Iterable[str]]
|
What dataset id(s) to execute this Op in. To execute regardless of ds_id, pass None. To execute in all ds_ids except for a particular one, you can pass an argument like "!ds1". |
None
|
scale_min |
float
|
Lower bound on the image scale. Should be < 1. |
0.25
|
scale_max |
float
|
Upper bound on the image scale. Should be >= scale_min. |
0.25
|
interpolation |
int
|
cv2 interpolation method. |
INTER_NEAREST
|
Image types
uint8, float32