Graphic thinking is a form of sketches used to help draft a way of thinking,accompanied by a sketch that the draft vision and ideas have emerged,settled in the physico-chemical form of thinking.

Research on Graphic Thinking of Designers;

In this paper, a new adaptive binarization thresholding method with using the power spectrum of the reference image on optical joint correlator was proposed.

Discovered in the teaching, many students pay attention to mathematics calculation while resolving the physics problem, but be lack of the consciousness of thinking and can t draw to think, this situation has become the student s obstacle to consider the physics problem.