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

A technology of verification code pictures and pictures, which is applied in the field of computer communication, can solve the problems of slow reading of verification codes by communication equipment, increase the difficulty of automatic computer recognition, and destroy the security of game products, so as to avoid the danger of computer flashing and improve Speed, the effect of improving the recognition rate

Inactive Publication Date: 2013-04-24
FUJIAN TQ DIGITAL
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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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  • Method for turning figure picture into verification code picture based on black color and white color

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Embodiment Construction

[0012] See also shown in Figure 1, a kind of method of the present invention based on the digital picture of black and white two colors forms verification code picture, comprises the following steps:

[0013] Step 10, making at least one digital collection picture, the digital collection picture is a BMP file of 24-bit color, and the digital collection picture is formed into a character image by every 32 * 32 dot matrix, that is, the digital collection picture consists of multiple rows and multiple A picture composed of character images in columns; said each row is composed of the same characters, but each character has a different font style; said each column is composed of different characters, but each character has the same font style;

[0014] Step 20. Load the digital collection picture into the memory of the communication device, scan each pixel in the digital collection picture, convert the digital collection picture into a black and white two-color picture, and the bla...

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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...

Claims

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Application Information

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IPC IPC(8): G06T11/00
Inventor 刘德建陈宏展张晨晖马骏
Owner FUJIAN TQ DIGITAL
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