mirror of
https://github.com/SikongJueluo/Mini-Nav.git
synced 2026-07-12 20:15:31 +08:00
22 lines
532 B
Python
22 lines
532 B
Python
"""Image conversion utilities."""
|
|
|
|
from __future__ import annotations
|
|
|
|
import numpy as np
|
|
from PIL import Image
|
|
|
|
|
|
def numpy_to_pil(rgb: np.ndarray) -> Image.Image:
|
|
"""Convert an RGB numpy array to a PIL Image.
|
|
|
|
Handles arrays with 4 channels (RGBA) by dropping the alpha channel.
|
|
|
|
Args:
|
|
rgb: Numpy array of shape (H, W, C) with dtype uint8 or compatible.
|
|
|
|
Returns:
|
|
PIL Image in RGB mode.
|
|
"""
|
|
rgb3 = rgb[..., :3] if rgb.shape[-1] > 3 else rgb
|
|
return Image.fromarray(rgb3.astype(np.uint8))
|