diff options
| -rw-r--r-- | modules/textual_inversion/preprocess.py | 54 |
1 files changed, 35 insertions, 19 deletions
diff --git a/modules/textual_inversion/preprocess.py b/modules/textual_inversion/preprocess.py index 886cf0c3..2743bdeb 100644 --- a/modules/textual_inversion/preprocess.py +++ b/modules/textual_inversion/preprocess.py @@ -1,5 +1,6 @@ import os
from PIL import Image, ImageOps
+import math
import platform
import sys
import tqdm
@@ -38,6 +39,8 @@ def preprocess_work(process_src, process_dst, process_width, process_height, pro height = process_height
src = os.path.abspath(process_src)
dst = os.path.abspath(process_dst)
+ split_threshold = 0.5
+ overlap_ratio = 0.2
assert src != dst, 'same directory specified as source and destination'
@@ -78,6 +81,29 @@ def preprocess_work(process_src, process_dst, process_width, process_height, pro if process_flip:
save_pic_with_caption(ImageOps.mirror(image), index)
+ def split_pic(image, inverse_xy):
+ if inverse_xy:
+ from_w, from_h = image.height, image.width
+ to_w, to_h = height, width
+ else:
+ from_w, from_h = image.width, image.height
+ to_w, to_h = width, height
+ h = from_h * to_w // from_w
+ if inverse_xy:
+ image = image.resize((h, to_w))
+ else:
+ image = image.resize((to_w, h))
+
+ split_count = math.ceil((h - to_h * overlap_ratio) / (to_h * (1.0 - overlap_ratio)))
+ y_step = (h - to_h) / (split_count - 1)
+ for i in range(split_count):
+ y = int(y_step * i)
+ if inverse_xy:
+ splitted = image.crop((y, 0, y + to_h, to_w))
+ else:
+ splitted = image.crop((0, y, to_w, y + to_h))
+ yield splitted
+
for index, imagefile in enumerate(tqdm.tqdm(files)):
subindex = [0]
filename = os.path.join(src, imagefile)
@@ -89,26 +115,16 @@ def preprocess_work(process_src, process_dst, process_width, process_height, pro if shared.state.interrupted:
break
- ratio = img.height / img.width
- is_tall = ratio > 1.35
- is_wide = ratio < 1 / 1.35
-
- if process_split and is_tall:
- img = img.resize((width, height * img.height // img.width))
-
- top = img.crop((0, 0, width, height))
- save_pic(top, index)
-
- bot = img.crop((0, img.height - height, width, img.height))
- save_pic(bot, index)
- elif process_split and is_wide:
- img = img.resize((width * img.width // img.height, height))
-
- left = img.crop((0, 0, width, height))
- save_pic(left, index)
+ if img.height > img.width:
+ ratio = (img.width * height) / (img.height * width)
+ inverse_xy = False
+ else:
+ ratio = (img.height * width) / (img.width * height)
+ inverse_xy = True
- right = img.crop((img.width - width, 0, img.width, height))
- save_pic(right, index)
+ if process_split and ratio < 1.0 and ratio <= split_threshold:
+ for splitted in split_pic(img, inverse_xy):
+ save_pic(splitted, index)
else:
img = images.resize_image(1, img, width, height)
save_pic(img, index)
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