From 03b5408e708ce6ce48b568111f4620b30fca9272 Mon Sep 17 00:00:00 2001 From: Glenn Jocher Date: Sun, 15 Dec 2019 12:15:56 -0800 Subject: [PATCH] updates --- utils/datasets.py | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/utils/datasets.py b/utils/datasets.py index 6c5a10d8..b88b769c 100755 --- a/utils/datasets.py +++ b/utils/datasets.py @@ -16,6 +16,7 @@ from tqdm import tqdm from utils.utils import xyxy2xywh, xywh2xyxy +help_url = 'https://github.com/ultralytics/yolov3/wiki/Train-Custom-Data' img_formats = ['.bmp', '.jpg', '.jpeg', '.png', '.tif', '.dng'] vid_formats = ['.mov', '.avi', '.mp4'] @@ -258,14 +259,15 @@ class LoadImagesAndLabels(Dataset): # for training/testing def __init__(self, path, img_size=416, batch_size=16, augment=False, hyp=None, rect=False, image_weights=False, cache_labels=False, cache_images=False): path = str(Path(path)) # os-agnostic + assert os.path.isfile(path), 'File not found %s. See %s' % (path, help_url) with open(path, 'r') as f: self.img_files = [x.replace('/', os.sep) for x in f.read().splitlines() # os-agnostic if os.path.splitext(x)[-1].lower() in img_formats] n = len(self.img_files) + assert n > 0, 'No images found in %s. See %s' % (path, help_url) bi = np.floor(np.arange(n) / batch_size).astype(np.int) # batch index nb = bi[-1] + 1 # number of batches - assert n > 0, 'No images found in %s' % path self.n = n self.batch = bi # batch index of image @@ -375,7 +377,7 @@ class LoadImagesAndLabels(Dataset): # for training/testing pbar.desc = 'Caching labels (%g found, %g missing, %g empty, %g duplicate, for %g images)' % ( nf, nm, ne, nd, n) - assert nf > 0, 'No labels found. Recommend correcting image and label paths.' + assert nf > 0, 'No labels found. See %s' % help_url # Cache images into memory for faster training (WARNING: Large datasets may exceed system RAM) if cache_images: # if training