Based on experiments, research some characteristics of stereoscopic display with parallax barrier, Calculate the best viewing position of display from the result of objective measurement, validate the existence of crosstalk, explain the erect stripe which perceived from some viewing angle.

We select four typical slope situation in north mountainous country area , namely upper land, middle land, foot land, flat, and we select two land use : alfalfa and crop .

An image ought to be supported by its social foundation, yet, in a deeper sense, its formation directly depends on the image builder s approaches to observation (as restricted by time, distance, frequency, visual angles, prejudice, etc.