Files
board-mate/rpi/training/utils/sort_labels.py
2025-12-21 12:06:28 +01:00

72 lines
2.4 KiB
Python

import os
import shutil
def copy_images(src, dest):
image_extensions = [".jpg", ".jpeg", ".png", ".bmp", ".gif"]
for filename in os.listdir(src):
if any(filename.lower().endswith(ext) for ext in image_extensions):
src_path = os.path.join(src, filename)
dst_path = os.path.join(dest, filename)
shutil.copy2(src_path, dst_path)
def remap_labels(src, dest):
count = 0
for filename in os.listdir(src):
if filename.endswith(".txt"):
input_path = os.path.join(src, filename)
output_path = os.path.join(dest, filename)
with open(input_path, "r") as f:
lines = f.readlines()
new_lines = []
for line in lines:
parts = line.strip().split()
old_idx = int(parts[0])
new_idx = index_map[old_idx]
new_lines.append(" ".join([str(new_idx)] + parts[1:]))
with open(output_path, "w") as f:
f.write("\n".join(new_lines))
if count%100 == 0:
print(count)
count += 1
print(f"All labels remapped and saved to '{dest}'")
if __name__ == "__main__":
src_dir = "../datasets/pieces/visualizan/"
dest_dir = "../datasets/pieces/unified/"
reference_classes = [
'w_pawn', 'w_knight', 'w_bishop', 'w_rook', 'w_queen', 'w_king',
'b_pawn', 'b_knight', 'b_bishop', 'b_rook', 'b_queen', 'b_king'
]
current_classes = ['b_bishop', 'b_king', 'b_knight', 'b_pawn', 'b_queen', 'b_rook',
'w_bishop', 'w_king', 'w_knight', 'w_pawn', 'w_queen', 'w_rook']
index_map = {current_classes.index(cls): reference_classes.index(cls) for cls in current_classes}
sub_elements = os.listdir(src_dir)
for sub in sub_elements:
src_full_path = os.path.normpath(os.path.join(src_dir, sub))
dest_full_path = os.path.normpath(os.path.join(dest_dir, sub))
if not os.path.isdir(src_full_path): continue
src_image_folder = os.path.normpath(os.path.join(src_full_path, "images"))
src_labels_folder = os.path.normpath(os.path.join(src_full_path, "labels"))
dst_image_folder = os.path.normpath(os.path.join(dest_full_path, "images"))
dst_labels_folder = os.path.normpath(os.path.join(dest_full_path, "labels"))
copy_images(src_image_folder, dst_image_folder)
remap_labels(src_labels_folder, dst_labels_folder)