After studying the existing graphics extraction algorithm, a new graphics recognition algorithm-an off-line recognition method for freehand graphics based on line segment tracing is proposed.
The host computer software can be programmed in graphic style, and resolve the graphics by line segment based on the rule of shortest path seeking from inside to outside.
并且按照由里到外寻找最短路径的方法，以直线段为单位对图形进行了加工路径的优化。
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The user through the mobile segment after the specified final top box graphics graphics, thus completing the game.