what is autoshape

[syxuming]

What autoshape can be used for ？and in what scenarios we can use it？

[glenn-jocher]

@syxuming AutoShape is used for all YOLOv5 PyTorch Hub models to allow them to accept almost any input image type directly:

yolov5/models/common.py

Lines 230 to 239 in c2c958c

	def forward(self, imgs, size=640, augment=False, profile=False):
	# Inference from various sources. For height=640, width=1280, RGB images example inputs are:
	# filename: imgs = 'data/images/zidane.jpg' # str or PosixPath
	# URI: = 'https://ultralytics.com/images/zidane.jpg'
	# OpenCV: = cv2.imread('image.jpg')[:,:,::-1] # HWC BGR to RGB x(640,1280,3)
	# PIL: = Image.open('image.jpg') # HWC x(640,1280,3)
	# numpy: = np.zeros((640,1280,3)) # HWC
	# torch: = torch.zeros(16,3,320,640) # BCHW (scaled to size=640, 0-1 values)
	# multiple: = [Image.open('image1.jpg'), Image.open('image2.jpg'), ...] # list of images