How we perceive 3D?
How do we able to perceive 3 dimensional world around us? Depth Perception is the only answer for that. Depth Perception is the ability to see the world in three dimension and to perceive distance. So, if we are able to see 3D, that is because of our Depth Perception and even if we are able to see the distance between the objects, that is also because of Depth Perception. For instance, if a person is paying attention to a building which is on the other side of the road, he will be able to perceive the distance between him and the building. The reason for his perceiving distance is Depth Perception. So basically if we are knowing how we get to know about distances then it is important for us to know about the types of distance. There are two types of distance – Absolute distance and Relative distance. Absolute distance is the distance between a person and an object. For Instance, in the picture given below a man is watch television, then the distance betw...