diff --git a/utils/datasets.py b/utils/datasets.py index 7d1e085c..cefd9432 100755 --- a/utils/datasets.py +++ b/utils/datasets.py @@ -283,7 +283,7 @@ class LoadImagesAndLabels(Dataset): # for training/testing r = self.img_size / max(img.shape) # size ratio if self.augment and r < 1: # if training (NOT testing), downsize to inference shape h, w, _ = img.shape - img = cv2.resize(img, (int(w * r), int(h * r)), interpolation=cv2.INTER_AREA) + img = cv2.resize(img, (int(w * r), int(h * r)), interpolation=cv2.INTER_LINEAR) # INTER_LINEAR fastest if self.n < 3000: # cache into memory if image count < 3000 self.imgs[index] = img @@ -410,7 +410,7 @@ def letterbox(img, new_shape=416, color=(128, 128, 128), mode='auto'): ratiow, ratioh = new_shape / shape[1], new_shape / shape[0] if shape[::-1] != new_unpad: # resize - img = cv2.resize(img, new_unpad, interpolation=cv2.INTER_AREA) # INTER_AREA for quality, INTER_LINEAR for speed + img = cv2.resize(img, new_unpad, interpolation=cv2.INTER_LINEAR) # INTER_AREA is better, INTER_LINEAR is faster top, bottom = int(round(dh - 0.1)), int(round(dh + 0.1)) left, right = int(round(dw - 0.1)), int(round(dw + 0.1)) img = cv2.copyMakeBorder(img, top, bottom, left, right, cv2.BORDER_CONSTANT, value=color) # add border