PYTHON

ValueError: cannot reshape array of size 266084 into shape (221,301,3)

img = cv2.imread(path)
img = cv2.resize(img,(IMG_SIZ,IMG_SIZ),3)

cannot reshape array of size 4694562 into shape(1024, 512,3,3)

Found,
If you are training a custom model with a number of class != 80, 
so to speak something different than the pre-trained weights ; 
you will have to create your own class file (class.names) under data 
and set this new file in the config.py file as during the model creation, 
the number of class is automatically deduces

ValueError: cannot reshape array of size 98292 into shape (16382,1,28) site:stackoverflow.com

trainX = train[:, 1:].reshape(train.shape[0],1,28).astype( 'float32' )
X_train = trainX / 255.0