1. A method of determining a laundry load size in a laundry treating appliance comprising a rotatable drum at least partially defining a treating chamber for receiving laundry for treatment in accordance with a treating cycle of operation, at least one imaging device, and a controller having a processor, the method comprising: generating multiple images of a laundry load within the treating chamber, where the generated multiple images are from different viewpoints of the load; and determining, by the controller, a load size based on the multiple images.