Push a person design and creation is not doggerel impulse, is a kind of with complex irritants unconscious process, we the process of understanding, only stay in very shallow level.
The factors like personality characteristics, income level, need to fulfill self-esteem etc. are typically responsible for impulse buying behavior.
性格特征等因素的影响，收入水平，需要满足自尊等通常负责冲动购买行为。
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This algorithm set threshold to distinguish impulse noise point, through variance rate of gray level. The information of every impulse noise point is noted in a array.