Method for turning figure picture into verification code picture based on black color and white color

Abstract

The invention provides a method for turning a figure picture into a verification code picture based on black color and white color. According to the method for turning the figure picture into the verification code picture based on the black color and the white color, limitations of insufficient or excessive interference and limited samplings are avoided by the figure gathering picture manually provided, the figure gathering picture is converted to a black and white picture, when communication equipment acquires a verification code, the black and white picture is read in an internal memory, each character in an identification character string is positioned on a corresponding row in the black and white picture, a 32*32 dot matrix character picture of a line on the row is randomly drawn, and the verification code picture is formed by splicing of the character pictures drawn in the internal memory of the communication equipment. Therefore, validation effect of the verification code picture is greatly improved, danger caused by computer reinstallation is avoided, recognition rate of human eyes is improved, and speed for acquiring the verification code of the communication equipment is increased.

Description

technical field [0001] The invention relates to the field of computer communication, in particular to a method for forming a verification code picture based on a black-and-white two-color digital picture. Background technique [0002] In existing game products, the authentication codes (that is, verification codes) for pictures are generated based on random fonts, adding background noise and foreground noise, and performing interference operations such as distortion. Because these pictures are generated by communication equipment, it is easier for computers to identify, so programmers can easily create software that automatically enters verification codes (that is, automatic flashing software), thereby forming illegal software and destroying the security of game products. And these pictures are completed by communication equipment by adding background noise and foreground noise and distorting them; it is difficult for the human eye to recognize them well; to increase the dif...

AI Technical Summary

Problems solved by technology

Because these pictures are generated by communication equipment, it is easier for computers to identify, so programmers can easily create software that automatically enters verification codes (that is, automatic flashing software), thereby forming illegal software and destroying the security of game products. And these pictures are completed by communication equipment by adding background noise and foreground noise and distorting them; it is difficult for the human eye to recognize them well; to increase the difficulty of automatic computer recognition, you need a sufficiently large collection of digital pictures , which increases the memory of the communication device, and the speed of the communication device to read the authentication code is also very slow

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