An intelligent lock and an optimization method for palm vein recognition applied to the intelligent lock
An optimization method, palm vein technology, applied in the field of smart locks, can solve problems such as slow response speed and long recognition process time, achieve the effect of eliminating interference, improving processing time and response time, and ensuring the accuracy of results
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Embodiment 1
[0035] like figure 1 As shown, it is an intelligent lock proposed in the embodiment of the present invention, which includes a battery and a circuit board powered by the battery. The circuit board is provided with a controller 11 and fingerprint identification modules connected to the controller 11 respectively. 12. Touch screen 13, LCD screen 14, Bluetooth module 15, voice module 16, card reader module 17, status indicator light 18, three-axis detection module 25, face recognition module 19, palm vein recognition module 20, debugging port 21, A door lock drive module 22 , a power management module 23 and a battery voltage detection module 24 . Specifically, the battery adopts a 5V lithium battery, the circuit board adopts a PCB circuit board, the controller 11 adopts an STM32 single-chip microcomputer, a fingerprint recognition module 12, a touch screen 13, a liquid crystal display 14, a Bluetooth module 15, a voice module 16, a card reader module 17, a status Indicator ligh...
Embodiment 2
[0037] like Figure 2 to Figure 5 As shown, in the embodiment of the present invention, a proposed method for optimizing the palm vein recognition of a smart lock applied to a smart lock includes the following steps:
[0038] Step S1, collect the palm vein pattern through the palm vein recognition module 20, and define the palm vein area frame based on the collected palm vein pattern;
[0039] Step S2, regularly generate a two-dimensional array through the scanning lines generated by the grating, and the two-dimensional array has a plurality of rectangular grating frames;
[0040] Step S3. The palm vein area frame in step S1 is overlapped with the two-dimensional array in step S2 and screened, so as to quickly discard the grating frame in the palm vein area that the palm vein has not passed through, and keep the palm vein area in the palm vein area. A raster box through which veins pass, thus forming a feature-preserving box;
[0041] Step S4, optimizing each feature retenti...
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