[Retracted] Optimal Method of Vision Sensor Digital Image Edge Detection for Commercial Investment in Film Field

Table 3

Ways to understand before watching the movie.

Method	Number of people	The proportion
Video site	7	23.3%
Weibo	6	20%
Postbar and forum	8	26.7%
Fan site	19	63.3%
Search engine	17	56.7%
Social networking site	11	36.7%
Theme website	23	76.7%
Smart phone	27	90%