CN-121989861-A - Non-inductive unlocking device and method for shared vehicle based on palm vein recognition

CN121989861ACN 121989861 ACN121989861 ACN 121989861ACN-121989861-A

Abstract

The invention provides a non-sensing unlocking device and method for a shared vehicle based on palm vein recognition, wherein the method comprises a sensing detection module, an image acquisition module, an algorithm control module and a communication module, wherein the sensing detection module is used for outputting a wake-up signal to the algorithm control module when a front object is determined to be a human body target and the distance between the human body target and the vehicle is determined to be smaller than a preset distance threshold value, the algorithm control module controls the image acquisition module to acquire palm vein images of the human body target and conduct feature extraction on the palm vein images to obtain palm vein feature data, and the communication module is used for transmitting the palm vein feature data to central control equipment, so that the central control equipment transmits the palm vein feature data to a background server for verification unlocking. And complicated multi-flow unlocking operation is simplified into an operation mode of approaching vehicle-hand extension identification. The time from the approach of the user to successful unlocking is shortened, the noninductive quick unlocking is realized, and the unlocking efficiency of the vehicle is improved.

Inventors

WANG HAOMIAO
BAI HENGPEI
FANG TING
LIU YUFEI
QIAN JIANAN
JIANG TAO

Assignees

武汉小安科技股份有限公司

Dates

Publication Date: 20260508
Application Date: 20251226

Claims (10)

1. The non-sensing unlocking device of the shared vehicle based on palm vein recognition is characterized by comprising an induction detection module, an image acquisition module, an algorithm control module and a communication module; the sensing detection module is connected with the algorithm control module and is used for sensing a front object of the shared vehicle under the condition that the shared vehicle is in a low-power-consumption sleep mode, and outputting a wake-up signal to the algorithm control module under the condition that the front object is determined to be a human target and the distance between the human target and the vehicle is determined to be smaller than a preset distance threshold; The algorithm control module is respectively connected with the image acquisition module and the communication module and is used for responding to the wake-up signal, controlling the image acquisition module to acquire the palm vein image of the human body target, and extracting the characteristics of the acquired palm vein image to obtain palm vein characteristic data; The communication module is connected with the central control equipment of the sharing vehicle and is used for transmitting the palm vein feature data to the central control equipment of the sharing vehicle, so that the central control equipment transmits the palm vein feature data to a background server for verification and unlocking.
2. The palmar vein recognition-based non-inductive unlocking apparatus for a shared vehicle of claim 1, wherein the algorithm control module is specifically configured to: Responding to the wake-up signal, and controlling the image acquisition module to acquire a palm vein image of the human body target; extracting a region of interest from the palm vein image, and determining a palm center image in the palm vein image; Performing texture enhancement processing on the palm center image based on a filtering algorithm, and extracting vein network topological structure features based on the palm center image subjected to the texture enhancement processing; and encoding the topological structure characteristics of the vein network to obtain the palm vein characteristic data.
3. The palmar vein recognition-based non-inductive unlocking apparatus of a shared vehicle of claim 2, wherein the algorithm control module is further configured to: preprocessing the palm center image before performing texture enhancement processing on the palm center image to obtain a preprocessed palm center image; wherein the preprocessing includes normalization processing and contrast enhancement processing.
4. The palmar vein recognition-based non-inductive unlocking apparatus of a shared vehicle of claim 1, wherein the inductive detection module is further configured to: And outputting a wake-up signal to the algorithm control module under the condition that the shared vehicle is determined to be in a parking area and the shared vehicle is determined to be changed from a moving state to a static state.
5. The palmar vein recognition-based non-inductive unlocking apparatus of a shared vehicle of claim 1, wherein the central control device is further configured to: Receiving a verification passing instruction of the palm vein feature data, wherein the verification passing instruction is generated after the background server compares the palm vein feature data with feature data in a database and passes verification; and controlling the vehicle to execute unlocking based on the verification passing instruction.
6. The device for unlocking a shared vehicle based on palm vein recognition according to claim 1, wherein the communication module is connected with a central control device of the shared vehicle based on a universal asynchronous receiver transmitter UART serial port.
7. A shared vehicle comprising the palm vein recognition-based non-inductive unlocking apparatus of the shared vehicle according to any one of claims 1 to 6.
8. A method for non-inductive unlocking of a shared vehicle based on palm vein recognition, comprising: The method comprises the steps of receiving a palm vein image of a human body target, wherein the palm vein image is acquired under the condition that a shared vehicle is in a low-power-consumption sleep mode, sensing a front object of the shared vehicle, determining that the front object is the human body target and determining that the distance between the human body target and the vehicle is smaller than a preset distance threshold value; extracting the characteristics of the palm vein image to obtain palm vein characteristic data; and transmitting the palm vein feature data to central control equipment of the shared vehicle, so that the central control equipment transmits the palm vein feature data to a background server for verification and unlocking.
9. The method for unlocking a shared vehicle based on palm vein recognition according to claim 8, wherein the feature extraction of the palm vein image to obtain palm vein feature data comprises: extracting a region of interest from the palm vein image, and determining a palm center image in the palm vein image; Performing texture enhancement processing on the palm center image based on a filtering algorithm, and extracting vein network topological structure features based on the palm center image subjected to the texture enhancement processing; and encoding the topological structure characteristics of the vein network to obtain the palm vein characteristic data.
10. The method for unlocking a shared vehicle based on palm vein recognition according to claim 9, wherein before the filtering algorithm is used for performing texture enhancement processing on the palm center image, the method further comprises: preprocessing the palm center image to obtain a preprocessed palm center image; wherein the preprocessing includes normalization processing and contrast enhancement processing.

Description

Non-inductive unlocking device and method for shared vehicle based on palm vein recognition Technical Field The invention relates to the technical field of the Internet of things, in particular to a non-inductive unlocking device and method for a shared vehicle based on palm vein recognition. Background In the prior art, the unlocking process of the shared vehicle requires a user to execute multiple steps. The method specifically comprises the steps that a user takes out a mobile phone, opens an applet or an Application (APP) related to the shared vehicle, and scans a two-dimensional code of a vehicle body of the shared vehicle through the applet or the APP. After the scanning is successful, the user clicks an unlocking button to wait for unlocking the vehicle. The existing unlocking process of the shared vehicle is complex in operation, and a user needs multiple steps of operation, so that the extreme experience of instant use and instant walking cannot be realized. How to improve the unlocking efficiency of the shared vehicle is an important issue to be solved in the industry. Disclosure of Invention The invention provides a non-inductive unlocking device and method for a shared vehicle based on palm vein recognition, which are used for solving the defects of complex operation and multi-step operation of a user in the unlocking process of the shared vehicle in the prior art and improving the unlocking efficiency of the shared vehicle. The invention provides a non-inductive unlocking device of a shared vehicle based on palm vein recognition, which comprises an inductive detection module, an image acquisition module, an algorithm control module and a communication module, wherein the inductive detection module is used for detecting the palm vein recognition; the sensing detection module is connected with the algorithm control module and is used for sensing a front object of the shared vehicle under the condition that the shared vehicle is in a low-power-consumption sleep mode, and outputting a wake-up signal to the algorithm control module under the condition that the front object is determined to be a human target and the distance between the human target and the vehicle is determined to be smaller than a preset distance threshold; The algorithm control module is respectively connected with the image acquisition module and the communication module and is used for responding to the wake-up signal, controlling the image acquisition module to acquire the palm vein image of the human body target, and extracting the characteristics of the acquired palm vein image to obtain palm vein characteristic data; The communication module is connected with the central control equipment of the sharing vehicle and is used for transmitting the palm vein feature data to the central control equipment of the sharing vehicle, so that the central control equipment transmits the palm vein feature data to a background server for verification and unlocking. According to the non-inductive unlocking device for the shared vehicle based on palm vein recognition, the algorithm control module is specifically used for: Responding to the wake-up signal, and controlling the image acquisition module to acquire a palm vein image of the human body target; extracting a region of interest from the palm vein image, and determining a palm center image in the palm vein image; Performing texture enhancement processing on the palm center image based on a filtering algorithm, and extracting vein network topological structure features based on the palm center image subjected to the texture enhancement processing; and encoding the topological structure characteristics of the vein network to obtain the palm vein characteristic data. According to the non-inductive unlocking device for the shared vehicle based on palm vein recognition, the algorithm control module is further used for: preprocessing the palm center image before performing texture enhancement processing on the palm center image to obtain a preprocessed palm center image; wherein the preprocessing includes normalization processing and contrast enhancement processing. According to the non-inductive unlocking device for the shared vehicle based on palm vein recognition, the inductive detection module is further used for: And outputting a wake-up signal to the algorithm control module under the condition that the shared vehicle is determined to be in a parking area and the shared vehicle is determined to be changed from a moving state to a static state. According to the non-inductive unlocking device for the shared vehicle based on palm vein recognition, the central control equipment is further used for: Receiving a verification passing instruction of the palm vein feature data, wherein the verification passing instruction is generated after the background server compares the palm vein feature data with feature data in a database and passes verification; and controlling the vehicle to execute unl