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build_dataset.py
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build_dataset.py
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import config
from imutils import paths
import random
import shutil
import os
imagePath = list(paths.list_images(config.ORIG_DATASET))
random.seed(42)
random.shuffle(imagePath)
i = int(len(imagePath) * config.TRAIN_SPLIT)
trainPath = imagePath[:i]
testPath = imagePath[i:]
j = int(len(trainPath) * config.VAL_SPLIT)
valPath = trainPath[:j]
trainPath = trainPath[j:]
dataset = [
("training", trainPath, config.TRAIN_PATH),
("validation", valPath, config.VAL_PATH),
("testing", testPath, config.TEST_PATH)
]
for (dType, imagePath, baseOutput) in dataset:
print("Building '{}' split".format(dType))
if not os.path.exists(baseOutput):
print("Creating '{}' directory".format(baseOutput))
os.makedirs(baseOutput)
for inputPath in imagePath:
filename = inputPath.split(os.path.sep)[-1]
label = filename[-5:-4]
labelPath = os.path.sep.join([baseOutput, label])
if not os.path.exists(labelPath):
print("Creating '{}' directory".format(labelPath))
os.makedirs(labelPath)
p = os.path.sep.join([labelPath, filename])
shutil.copy2(inputPath, p)