CN-121768106-B - Door lock cooperative transmission adjustment method and system

CN121768106BCN 121768106 BCN121768106 BCN 121768106BCN-121768106-B

Abstract

According to the face recognition result of the multimedia authorization equipment on indoor personnel, the gateway router synchronizes the binding relation between the current authorizer identifier and the equipment address among the whole network multicast routers through the enhanced PIM protocol; according to the method, a visitor face image collected by a door lock is sent to a door lock gateway in a multicast mode, according to a visitor feature vector extracted from a multicast video stream by the door lock gateway, the multicast video stream is dynamically decided to be converted into a unicast stream and is forwarded to one or more multimedia authorization devices, and according to the identification result of the multimedia authorization devices on the specific actions of the authorizers, the association relation between the visitor feature vector and the authorizer identification is synchronized in the whole network through an enhanced IGMP and PIM protocol. By utilizing the embodiment of the invention, the intelligent transmission transition from the device communication to the identity and intention driving can be realized, and the accurate and efficient authorization coordination and the remarkable optimization of the network resource load can be achieved.

Inventors

SANG SHENGWEI
XI JUAN
ZHU ZHILING
TANG JUNXIONG
DENG YEHAO
YE FEI

Assignees

浙江德施曼科技智能股份有限公司

Dates

Publication Date: 20260512
Application Date: 20260304

Claims (10)

1. A door lock cooperative transmission adjustment method, the method comprising: The authorization person state sensing is synchronized with the whole network, namely, according to the face recognition result of the multimedia authorization device to indoor personnel, the current authorization person identification is reported to a gateway router through an enhanced IGMP protocol, and the gateway router synchronizes the binding relation between the current authorization person identification and the device address among the whole network multicast routers through the enhanced PIM protocol; visitor feature extraction and multicast transmission, namely extracting visitor feature vectors according to visitor face images acquired by a door lock, embedding the visitor feature vectors into a multicast video stream, and transmitting the visitor feature vectors to a door lock gateway in a multicast mode; inquiring a local authorization association table and an authorization address binding table according to a visitor feature vector extracted from the multicast video stream by a door lock gateway, dynamically deciding to convert the multicast video stream into a unicast stream and forwarding the unicast stream to one or more multimedia authorization devices; And the authorization action recognition and relationship synchronization is that an authorization success instruction is generated according to the recognition result of the multimedia authorization equipment on the specific action of the authorizer and sent to the door lock, and meanwhile, the incidence relation between the visitor feature vector and the authorizer mark is synchronized in the whole network through enhancing the IGMP and PIM protocols.
2. The method of claim 1, wherein the authorizer status awareness is synchronized with a full network, comprising: detecting the state of an authorized person, namely performing face detection and feature extraction according to an indoor person image acquired by a camera connected with the multimedia authorization equipment to obtain a current person feature vector; comparing the extracted current personnel feature vector with a locally stored authorizer feature vector set to determine a current authorizer identification; The state information reporting is that the multimedia authorization equipment generates an enhanced IGMP state message according to the detected occurrence or departure event of the authorizer, wherein the enhanced IGMP state message comprises the current authorizer identifier, event type and multicast address; And the binding relation full network synchronization is realized by updating a local authorized address binding table according to the enhanced IGMP status message received by the gateway router and forwarding the local authorized address binding table to other interfaces through an enhanced PIM protocol.
3. The method of claim 2, wherein the guest feature extraction and multicast transmission comprises: the visitor image acquisition, namely acquiring visitor face images by a door lock camera according to a trigger event of personnel in front of a door lock; extracting a visitor feature vector according to the acquired visitor face image; the multicast stream encapsulation, embedding the visitor feature vector into the first packet of the multicast video stream according to the preset multicast address to generate an enhanced multicast video stream; And starting multicast transmission, namely starting the multicast transmission according to the packaged enhanced multicast video stream by a door lock and sending the video stream to a door lock gateway.
4. The method of claim 3, wherein the intelligent route translation and authorization request comprises: Extracting and inquiring visitor feature vectors according to multicast video streams received by a door lock gateway, and inquiring a local authorization association table; and the routing decision process is to execute one of the following three routing decisions according to the query result: Forwarding the multicast video stream to all registered multimedia authorization devices when the matched authorization association relationship does not exist, forwarding the multicast video stream only to the multimedia authorization device corresponding to the authorizer when the matched authorization association relationship exists and the corresponding authorizer is online; and converting the multicast video stream into one or more unicast video streams according to the routing decision result, respectively sending the one or more unicast video streams to target multimedia authorization equipment, and stopping converting after receiving the authorization association relationship carried by the enhanced PIM message and matching the authorization association relationship with the same visitor feature vector.
5. The method of claim 4, wherein the authorization action recognition is synchronized with a relationship, comprising: The authorization action recognition is used for recognizing a specific authorization action according to the video stream of the authorizer collected by the camera connected with the multimedia authorization equipment; The authorization decision process is to judge whether the authorization is successful or not according to the matching result of the recognized authorization action and the locally stored characteristic vector of the authorizer; the unlocking instruction is sent, namely the multimedia authorization equipment directly sends the unlocking instruction to the door lock according to the judgment result of successful authorization; And the association relation is synchronous, namely the multimedia authorization equipment generates an enhanced IGMP authorization success message according to the authorization success event, and the association relation between the visitor feature vector and the authorizer identifier is synchronized in the whole network through the gateway router and the enhanced PIM protocol.
6. The method of claim 5, further comprising a network exception handling mechanism: network state detection, namely sending an enhanced IGMP cooperative information query request to all ports according to the restarting or management requirement of a router; The device state re-report, the multimedia authorization device re-reports the enhanced IGMP membership report message, the authorization occurrence message and the authorization success message according to the received query request; reconstructing a binding relation, namely reconstructing a local authorization address binding table and an authorization association table according to the re-report message received by the gateway router; And synchronizing the whole network state, namely synchronizing the whole network multicast router by enhancing the PIM protocol according to the rebuilt binding relationship and the association relationship, and recovering the network state.
7. A door lock cooperative transmission adjustment system, the system comprising: the sensing module is used for sensing the state of the authorizer and synchronizing the state of the authorizer with the whole network, reporting the current authorizer identifier to the gateway router through an enhanced IGMP protocol according to the face recognition result of the multimedia authorization equipment on the indoor personnel, and synchronizing the binding relationship between the current authorizer identifier and the equipment address among the whole network multicast routers through the enhanced PIM protocol by the gateway router; the extraction module is used for extracting visitor feature and multicasting transmission, namely extracting visitor feature vectors according to visitor face images acquired by a door lock, embedding the visitor feature vectors into a multicasting video stream and sending the visitor feature vectors to a door lock gateway in a multicasting mode; The conversion module is used for intelligently route conversion and authorization request, and inquiring a local authorization association table and an authorization address binding table according to the visitor feature vector extracted from the multicast video stream by the door lock gateway, dynamically determining to convert the multicast video stream into a unicast stream and forwarding the unicast stream to one or more multimedia authorization devices; And the identification module is used for identifying and synchronizing the authorized actions, generating an authorized success instruction according to the identification result of the multimedia authorization equipment on the specific actions of the authorizers, sending the instruction to the door lock, and synchronizing the incidence relation between the visitor feature vector and the authorizer identifier in the whole network by enhancing the IGMP and PIM protocols.
8. The system according to claim 7, wherein the sensing module is specifically configured to: detecting the state of an authorized person, namely performing face detection and feature extraction according to an indoor person image acquired by a camera connected with the multimedia authorization equipment to obtain a current person feature vector; comparing the extracted current personnel feature vector with a locally stored authorizer feature vector set to determine a current authorizer identification; The state information reporting is that the multimedia authorization equipment generates an enhanced IGMP state message according to the detected occurrence or departure event of the authorizer, wherein the enhanced IGMP state message comprises the current authorizer identifier, event type and multicast address; And the binding relation full network synchronization is realized by updating a local authorized address binding table according to the enhanced IGMP status message received by the gateway router and forwarding the local authorized address binding table to other interfaces through an enhanced PIM protocol.
9. A storage medium having a computer program stored therein, wherein the computer program is arranged to perform the method of any of claims 1-6 when run.
10. An electronic device comprising a memory and a processor, wherein the memory has stored therein a computer program, the processor being arranged to run the computer program to perform the method of any of claims 1-6.

Description

Door lock cooperative transmission adjustment method and system Technical Field The invention belongs to the technical field of intelligent door locks, and particularly relates to a door lock cooperative transmission adjustment method and system. Background The existing intelligent door lock system can realize remote video communication and authorized unlocking, but has obvious limitations in actual deployment, especially in a large-scale home or enterprise network environment. The traditional scheme adopts a single and fixed unicast or multicast communication mode, and cannot dynamically adjust the transmission path according to personnel states and scene requirements. The method has the advantages that a series of problems are caused, that indoor specific authorizers cannot be effectively identified and linked with the indoor specific authorizers, unnecessary bandwidth occupation and privacy risks are caused by blind broadcasting of visitor video streams in the whole network, authorization actions are disjointed from network identities, and efficient and accurate coordination among a plurality of potential authorization devices is difficult to achieve. In addition, the existing network protocol lacks the capability of bearing and synchronizing semantic information such as 'person-equipment-permission', so that the whole system is low in intelligent degree and delayed in response, and cannot form a global unified access control strategy. Disclosure of Invention The invention aims to provide a door lock cooperative transmission adjustment method and a door lock cooperative transmission adjustment system, which are used for solving the defects in the prior art, realizing intelligent transmission conversion from equipment communication to identity and intention driving, and achieving accurate and efficient authorization cooperation and remarkable optimization of network resource load. An embodiment of the present application provides a transmission adjustment method for door lock cooperation, the method including: The authorization person state sensing is synchronized with the whole network, namely, according to the face recognition result of the multimedia authorization device to indoor personnel, the current authorization person identification is reported to a gateway router through an enhanced IGMP protocol, and the gateway router synchronizes the binding relation between the current authorization person identification and the device address among the whole network multicast routers through the enhanced PIM protocol; visitor feature extraction and multicast transmission, namely extracting visitor feature vectors according to visitor face images acquired by a door lock, embedding the visitor feature vectors into a multicast video stream, and transmitting the visitor feature vectors to a door lock gateway in a multicast mode; inquiring a local authorization association table and an authorization address binding table according to a visitor feature vector extracted from the multicast video stream by a door lock gateway, dynamically deciding to convert the multicast video stream into a unicast stream and forwarding the unicast stream to one or more multimedia authorization devices; And the authorization action recognition and relationship synchronization is that an authorization success instruction is generated according to the recognition result of the multimedia authorization equipment on the specific action of the authorizer and sent to the door lock, and meanwhile, the incidence relation between the visitor feature vector and the authorizer mark is synchronized in the whole network through enhancing the IGMP and PIM protocols. Optionally, the authorizer status awareness is synchronized with the whole network, including: detecting the state of an authorized person, namely performing face detection and feature extraction according to an indoor person image acquired by a camera connected with the multimedia authorization equipment to obtain a current person feature vector; comparing the extracted current personnel feature vector with a locally stored authorizer feature vector set to determine a current authorizer identification; The state information reporting is that the multimedia authorization equipment generates an enhanced IGMP state message according to the detected occurrence or departure event of the authorizer, wherein the enhanced IGMP state message comprises the current authorizer identifier, event type and multicast address; And the binding relation full network synchronization is realized by updating a local authorized address binding table according to the enhanced IGMP status message received by the gateway router and forwarding the local authorized address binding table to other interfaces through an enhanced PIM protocol. Optionally, the visitor feature extraction and multicast transmission includes: the visitor image acquisition, namely acquiring visitor face images by a door lock camera acc