Terminal and a fingerprint imaging method
An imaging method and fingerprint image technology, which can be used in instruments, character and pattern recognition, computer parts, etc., and can solve problems such as difficult fingerprint recognition.
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no. 1 example
[0075] This embodiment provides a terminal, see figure 2 , figure 2 It is a schematic diagram of a terminal provided in the first embodiment of the present invention, the terminal includes: an acquisition module 201, an image preprocessing module 202, a statistical module 203, a processing module 204, and an output module 205, wherein,
[0076] Collection module 201, for collecting fingerprints;
[0077] The fingerprint can be from users with different skin colors. When collecting fingerprints, the fingerprint of the user's finger is detected by the principle of light reflection. Fingers with different skin colors have different reflection capabilities to light;
[0078] see image 3 , image 3 A schematic diagram of detecting the fingerprint of a user's finger by using the principle of light reflection provided in this embodiment, image 3 In the process, put your finger on the glass cover 301, and the finger is irradiated by the light source of the built-in LED302. The...
no. 2 example
[0117] This embodiment provides another terminal. The functions performed by the functional modules of the terminal in the first embodiment can be performed by figure 1 Part of the hardware is implemented, of course, the functions performed by each hardware can also be implemented by the above functional modules. The functions of the above functional modules are specifically realized by the following hardware:
[0118] The function of collection module 201 can be realized by user input unit 110; User input unit 110 allows user to input various types of information, and can include keyboard, dome, touch pad (for example, detect the resistance caused by being touched, Touch-sensitive components with changes in pressure, capacitance, etc.), scroll wheels, joysticks, etc.;
[0119] The functions of the image preprocessing module 202, the statistical module 203, the processing module 204, the output module 205, the extraction module 206, and the comparison module 207 can all be re...
no. 3 example
[0160] This embodiment provides a fingerprint imaging method, see Figure 6 , Figure 6 A flowchart of a fingerprint imaging method provided in this embodiment, the method includes the following steps:
[0161] S601: collecting fingerprints;
[0162] The fingerprint can be from users with different skin colors. When collecting fingerprints, the fingerprint of the user's finger is detected by the principle of light reflection. Fingers with different skin colors have different reflection capabilities to light;
[0163] see image 3 , image 3 A schematic diagram of detecting the fingerprint of a user's finger by using the principle of light reflection provided in this embodiment, image 3 In the process, put your finger on the glass cover 301, and the finger is irradiated by the light source of the built-in LED302. The angle of refraction of the light emitted by the light source of the LED302 on the uneven lines of the fingerprint on the surface of the finger and the brightn...
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