from PIL import Image # type:ignore
import matplotlib.pyplot as plt
import numpy as np

# Membuka gambar
img = Image.open('cacao_dataset\monilia12 .jpg').convert('RGB')

# Ekstrak channel Red sebagai grayscale
r, g, b = img.split()
red_channel = np.array(r)

# Menampilkan hasil
fig, axes = plt.subplots(1, 2, figsize=(6, 3), facecolor='lightgray')  # background abu-abu

# Citra Asli
axes[0].imshow(img)
axes[0].set_title('Citra Asli')
axes[0].axis('off')

# Channel Merah
axes[1].imshow(red_channel, cmap='gray')
axes[1].set_title('grayscale')
axes[1].axis('off')

plt.tight_layout()
plt.show()