WO2023008595A1 - 제품 재고를 관리하기 위한 냉장고 및 그 방법 - Google Patents
제품 재고를 관리하기 위한 냉장고 및 그 방법 Download PDFInfo
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2700/00—Means for sensing or measuring; Sensors therefor
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Definitions
- the present disclosure relates to a refrigerator for managing product inventory, and more particularly, to a refrigerator for determining product inventory based on an image recognition result.
- refrigerators are used to prevent and delay spoilage of products through storage and management of products.
- refrigerators have become common in households and the items and quantities of products stored in refrigerators have diversified, it has also become necessary to check the inventory of products stored in refrigerators.
- An object of the present disclosure is to extract refined image data from among data for grasping storage and delivery information of products stored in a refrigerator.
- An object of the present disclosure is to update product warehousing and warehousing data based on the refined image data.
- An object of the present disclosure is to create a refrigerator product database using updated warehousing and warehousing data.
- An object of the present disclosure is to provide a user-customized consumption service using a generated database.
- a method for managing product input/output data of a refrigerator comprising: acquiring refrigerator interior image data using a camera provided in the refrigerator; extracting highly reliable data from among the internal image data of the refrigerator; Updating product warehousing and warehousing data based on the highly reliable data; and generating a user database based on the updated product input/output data.
- Obtaining image data of the inside of the refrigerator using a camera provided in the refrigerator may include acquiring image data of the inside of the refrigerator using the camera when a photographing command is received from an external device or a door of the refrigerator is opened or closed.
- the method may include at least one of removing low quality data, removing low confidence data, and removing product cover data from among the image data of the inside of the refrigerator.
- the low-quality data may include image data obtained when a value of at least one of a speed sensor of the refrigerator, an illuminance sensor of the refrigerator, and a degree of blur of image data inside the refrigerator exceeds a preset standard. .
- the removing of the low confidence data may include determining the low confidence data as the low confidence data when the similarity of the recognized product is lower than a preset value compared to the existing data.
- the step of removing the product occlusion data may include detecting a new product
- intersection area information between the new product and the existing product; When the intersection area information is greater than a preset value and the size of the new product is greater than the size of the existing product, maintaining the stock state of the existing product and determining that the new product is in stock.
- the removing of the product occlusion data may include detecting a new product area; extracting intersection area information of the new product area and the existing product area; If the intersection area information is greater than the preset value, and the size of the new product area is smaller than the size of the existing product area, the intersection of the existing product area other than the intersection area and the existing product area before new product warehousing
- the method may include determining whether the existing product is stored or released by using a similarity of a region corresponding to a region other than the region.
- the step of removing the product occlusion data may include detecting a new product; extracting an intersection area between a new product and an existing product; Excluding from the product covering data when the intersection area information is less than or equal to a preset value may be included.
- the method may further include generating final product warehousing and warehousing data by removing temporary warehousing and warehousing data from among the updated product warehousing and warehousing data.
- the step of generating the final product warehousing and warehousing data by removing temporary warehousing and warehousing data from among the updated product warehousing and warehousing data includes a product list included in an image captured at least one specific point in time by using reliable data and photographing time information. Generating each; Grouping the product list at the specific point in time at regular intervals; It may include generating warehousing and warehousing data using the grouped product list and correcting the generated warehousing and warehousing data.
- the product list and stock amount information before the current point in time and the product list and stock amount information after the current point in time are the same, the product list and stock amount information at the current point in time are converted to the current point in time before the current point in time.
- a step of maintaining the same as a point in time after the current point in time may be included.
- the step of correcting the generated warehousing and warehousing data may further include determining whether the product is included in the temporary warehousing and warehousing product list.
- the method may include generating an inventory list change amount of a product, an average product change amount, and product consumption information using the user database, and providing user-customized shopping using the generated information.
- a refrigerator is a processor for extracting highly reliable data from among the internal image data of the refrigerator, updating product stocking and warehousing data based on the highly reliable data, and generating a refrigerator warehousing and warehousing database based on the updated product stocking and warehousing data.
- the processor may communicate with an external device through the communication unit, and obtain image data of the inside of the refrigerator using the camera when a photographing command is received from the external device or a refrigerator door is opened or closed.
- the processor may extract the highly reliable data by performing at least one of removing low quality data, removing low confidence data, and removing product covering data from among the image data of the inside of the refrigerator.
- the processor may generate final product warehousing and warehousing data by removing temporary warehousing and warehousing data from among the updated product warehousing and warehousing data.
- a product storage and delivery management system including a server communicating with a refrigerator, wherein the refrigerator includes a communication unit, a memory for storing storage and delivery data, a camera and a processor for obtaining image data inside the refrigerator, and the server includes the a communication unit communicating with the refrigerator; and a processor that acquires the internal image data of the refrigerator and creates a user database through the communication unit, wherein the processor of the server extracts highly reliable data from among the internal image data of the refrigerator, and stores and releases products based on the highly reliable data. It may include a system for updating data and generating a refrigerator storage/exit database based on the updated product storage/exit data.
- the processor of the server performs at least one of removing low-quality data, removing low-confidence data, and removing product occlusion data from among the image data inside the refrigerator to extract the high-reliability data, and the high-confidence Based on the data, product warehousing and warehousing data may be updated, and final product warehousing and warehousing data may be generated by removing temporary warehousing and warehousing data from among the updated product warehousing and warehousing data.
- a user-customized consumption service may be provided using the database created by creating a database of refrigerator products using updated storage and delivery data.
- convenience may be provided to a user by providing a user-customized consumption service.
- FIG 1 shows an artificial intelligence device 100 according to an embodiment of the present disclosure.
- FIG 2 shows an artificial intelligence server 200 according to an embodiment of the present disclosure.
- FIG 3 shows an artificial intelligence system 1 according to an embodiment of the present disclosure.
- FIG. 4 shows a refrigerator according to an embodiment of the present disclosure.
- FIG. 5 shows a configuration diagram of a refrigerator according to an embodiment of the present disclosure.
- FIG. 6 shows a flowchart according to an embodiment of the present disclosure.
- FIG. 7 shows a flowchart according to an embodiment of the present disclosure.
- FIG. 8 is a diagram for describing processing of masking data according to an exemplary embodiment of the present disclosure.
- FIG. 9 is a diagram for describing processing of masking data according to an embodiment of the present disclosure.
- FIG. 10 is a diagram illustrating a method for removing temporary storage/receiving data according to an embodiment of the present disclosure.
- FIG. 11 is a diagram for explaining a database creation process according to an embodiment of the present disclosure.
- FIG. 12 is a diagram for explaining a database creation process according to an embodiment of the present disclosure.
- FIG. 13 is a diagram illustrating an example of a database according to an embodiment of the present disclosure.
- FIG. 14 is a diagram illustrating an example of a database according to an embodiment of the present disclosure.
- 15 is a diagram illustrating an example of a database according to an embodiment of the present disclosure.
- Machine learning refers to the field of defining various problems dealt with in the field of artificial intelligence and studying methodologies to solve them. do. Machine learning is also defined as an algorithm that improves the performance of a certain task through constant experience.
- An artificial neural network is a model used in machine learning, and may refer to an overall model that has problem-solving capabilities and is composed of artificial neurons (nodes) that form a network by synaptic coupling.
- An artificial neural network can be defined by a connection pattern between neurons in different layers, a learning process for updating model parameters, and an activation function for generating output values.
- An artificial neural network may include an input layer, an output layer, and optionally one or more hidden layers. Each layer may include one or more neurons, and the artificial neural network may include neurons and synapses connecting the neurons. In an artificial neural network, each neuron may output a function value of an activation function for input signals, weights, and biases input through a synapse.
- Model parameters refer to parameters determined through learning, and include weights of synaptic connections and biases of neurons.
- hyperparameters mean parameters that must be set before learning in a machine learning algorithm, and include a learning rate, number of iterations, mini-batch size, initialization function, and the like.
- the purpose of learning an artificial neural network can be seen as determining model parameters that minimize the loss function.
- the loss function may be used as an index for determining optimal model parameters in the learning process of an artificial neural network.
- Machine learning can be classified into supervised learning, unsupervised learning, and reinforcement learning according to learning methods.
- Supervised learning refers to a method of training an artificial neural network given a label for training data, and a label is the correct answer (or result value) that the artificial neural network must infer when learning data is input to the artificial neural network.
- Unsupervised learning may refer to a method of training an artificial neural network in a state in which a label for training data is not given.
- Reinforcement learning may refer to a learning method in which an agent defined in an environment learns to select an action or action sequence that maximizes a cumulative reward in each state.
- machine learning implemented as a deep neural network (DNN) including a plurality of hidden layers is also called deep learning, and deep learning is a part of machine learning.
- DNN deep neural network
- machine learning is used to include deep learning.
- a robot may refer to a machine that automatically processes or operates a given task based on its own abilities.
- a robot having a function of recognizing an environment and performing an operation based on self-determination may be referred to as an intelligent robot.
- Robots can be classified into industrial, medical, household, military, etc. according to the purpose or field of use.
- the robot may perform various physical operations such as moving a robot joint by having a driving unit including an actuator or a motor.
- the movable robot includes wheels, brakes, propellers, and the like in the driving unit, and can run on the ground or fly in the air through the driving unit.
- Autonomous driving refers to a technology that drives by itself, and an autonomous vehicle refers to a vehicle that travels without a user's manipulation or with a user's minimal manipulation.
- autonomous driving includes technology that maintains the driving lane, technology that automatically adjusts speed, such as adaptive cruise control, technology that automatically drives along a set route, technology that automatically sets a route when a destination is set, and so on. All of these can be included.
- a vehicle includes a vehicle having only an internal combustion engine, a hybrid vehicle having both an internal combustion engine and an electric motor, and an electric vehicle having only an electric motor, and may include not only automobiles but also trains and motorcycles.
- the self-driving vehicle may be regarded as a robot having an autonomous driving function.
- Extended reality is a generic term for virtual reality (VR), augmented reality (AR), and mixed reality (MR).
- VR technology provides only CG images of objects or backgrounds in the real world
- AR technology provides CG images created virtually on top of images of real objects
- MR technology provides a computer that mixes and combines virtual objects in the real world. It is a graphic technique.
- MR technology is similar to AR technology in that it shows real and virtual objects together. However, there is a difference in that virtual objects are used to supplement real objects in AR technology, whereas virtual objects and real objects are used with equal characteristics in MR technology.
- HMD Head-Mount Display
- HUD Head-Up Display
- mobile phones tablet PCs, laptops, desktops, TVs, digital signage, etc.
- FIG 1 shows an artificial intelligence device 100 according to an embodiment of the present disclosure.
- the AI device 100 is a TV, projector, mobile phone, smart phone, desktop computer, notebook, digital broadcasting terminal, PDA (personal digital assistants), PMP (portable multimedia player), navigation, tablet PC, wearable device, set-top box (STB) ), a DMB receiver, a radio, a washing machine, a refrigerator, a desktop computer, a digital signage, a robot, a vehicle, and the like, and the like.
- a terminal 100 includes a communication unit 110, an input unit 120, a running processor 130, a sensing unit 140, an output unit 150, a memory 170, a processor 180, and the like. can include
- the communication unit 110 may transmit/receive data with external devices such as other AI devices 100a to 100e or the AI server 200 using wired/wireless communication technology.
- the communication unit 110 may transmit/receive sensor information, a user input, a learning model, a control signal, and the like with external devices.
- GSM Global System for Mobile communication
- CDMA Code Division Multi Access
- LTE Long Term Evolution
- WLAN Wireless LAN
- Wi-Fi Wireless-Fidelity
- Bluetooth Radio Frequency Identification
- IrDA Infrared Data Association
- ZigBee ZigBee
- NFC Near Field Communication
- the input unit 120 may acquire various types of data.
- the input unit 120 may include a camera for inputting a video signal, a microphone for receiving an audio signal, and a user input unit for receiving information from a user.
- a camera or microphone may be treated as a sensor, and signals obtained from the camera or microphone may be referred to as sensing data or sensor information.
- the input unit 120 may obtain learning data for model learning and input data to be used when obtaining an output using the learning model.
- the input unit 120 may obtain raw input data, and in this case, the processor 180 or the learning processor 130 may extract input features as preprocessing of the input data.
- the learning processor 130 may learn a model composed of an artificial neural network using training data.
- the learned artificial neural network may be referred to as a learning model.
- the learning model may be used to infer a result value for new input data other than learning data, and the inferred value may be used as a basis for a decision to perform a certain operation.
- the learning processor 130 may perform AI processing together with the learning processor 240 of the AI server 200.
- the learning processor 130 may include a memory integrated or implemented in the AI device 100.
- the learning processor 130 may be implemented using a memory 170, an external memory directly coupled to the AI device 100, or a memory maintained in an external device.
- the sensing unit 140 may obtain at least one of internal information of the AI device 100, surrounding environment information of the AI device 100, and user information using various sensors.
- the sensors included in the sensing unit 140 include a proximity sensor, an illuminance sensor, an acceleration sensor, a magnetic sensor, a gyro sensor, an inertial sensor, an RGB sensor, an IR sensor, a fingerprint recognition sensor, an ultrasonic sensor, an optical sensor, a microphone, and a LiDAR sensor. , radar, etc.
- the output unit 150 may generate an output related to sight, hearing, or touch.
- the output unit 150 may include a display unit that outputs visual information, a speaker that outputs auditory information, and a haptic module that outputs tactile information.
- the memory 170 may store data supporting various functions of the AI device 100 .
- the memory 170 may store input data obtained from the input unit 120, learning data, a learning model, a learning history, and the like.
- the processor 180 may determine at least one executable operation of the AI device 100 based on information determined or generated using a data analysis algorithm or a machine learning algorithm. And, the processor 180 may perform the determined operation by controlling the components of the AI device 100.
- the processor 180 may request, retrieve, receive, or utilize data from the learning processor 130 or the memory 170, and select a predicted operation or an operation determined to be desirable among the at least one executable operation. Components of the AI device 100 may be controlled to execute.
- the processor 180 may generate a control signal for controlling the external device and transmit the generated control signal to the external device when it is necessary to link the external device to perform the determined operation.
- the processor 180 may obtain intention information for a user input and determine a user's requirement based on the acquired intention information.
- the processor 180 uses at least one of a STT (Speech To Text) engine for converting a voice input into a character string and a Natural Language Processing (NLP) engine for obtaining intention information of a natural language, and Intent information corresponding to the input may be obtained.
- STT Seech To Text
- NLP Natural Language Processing
- At this time, at least one or more of the STT engine or NLP engine may be composed of an artificial neural network at least partially trained according to a machine learning algorithm.
- at least one or more of the STT engine or the NLP engine is learned by the learning processor 130, learned by the learning processor 240 of the AI server 200, or learned by distributed processing thereof it could be
- the processor 180 collects history information including user feedback on the operation contents or operation of the AI device 100 and stores it in the memory 170 or the learning processor 130, or the AI server 200, etc. Can be transmitted to an external device.
- the collected history information can be used to update the learning model.
- the processor 180 may control at least some of the components of the AI device 100 in order to drive an application program stored in the memory 170 . Furthermore, the processor 180 may combine and operate two or more of the components included in the AI device 100 to drive the application program.
- FIG 2 shows an artificial intelligence server 200 according to an embodiment of the present disclosure.
- the AI server 200 may refer to a device that learns an artificial neural network using a machine learning algorithm or uses the learned artificial neural network.
- the AI server 200 may be composed of a plurality of servers to perform distributed processing, or may be defined as a 5G network.
- the AI server 200 may be included as a part of the AI device 100 and perform at least part of the AI processing together.
- the AI server 200 may include a communication unit 210, a memory 230, a learning processor 240 and a processor 260, and the like.
- the communication unit 210 may transmit/receive data with an external device such as the AI device 100.
- the memory 230 may include a model storage unit 231 .
- the model storage unit 231 may store a model being learned or learned through the learning processor 240 (or artificial neural network, 231a).
- the learning processor 240 may learn the artificial neural network 231a using the learning data.
- the learning model may be used while loaded in the AI server 200 of the artificial neural network, or may be loaded and used in an external device such as the AI device 100.
- a learning model can be implemented in hardware, software, or a combination of hardware and software. When part or all of the learning model is implemented as software, one or more instructions constituting the learning model may be stored in the memory 230 .
- the processor 260 may infer a result value for new input data using the learning model, and generate a response or control command based on the inferred result value.
- FIG 3 shows an artificial intelligence system 1 according to an embodiment of the present disclosure.
- the AI system 1 includes at least one of an AI server 200, a robot 100a, an autonomous vehicle 100b, an XR device 100c, a smartphone 100d, or a home appliance 100e. It is connected with this cloud network 10 .
- a robot 100a to which AI technology is applied, an autonomous vehicle 100b, an XR device 100c, a smartphone 100d, or a home appliance 100e may be referred to as AI devices 100a to 100e.
- the cloud network 10 may constitute a part of a cloud computing infrastructure or may refer to a network existing in a cloud computing infrastructure.
- the cloud network 10 may be configured using a 3G network, a 4G or Long Term Evolution (LTE) network, or a 5G network.
- LTE Long Term Evolution
- each of the devices 100a to 100e and 200 constituting the AI system 1 may be connected to each other through the cloud network 10 .
- the devices 100a to 100e and 200 may communicate with each other through a base station, but may also directly communicate with each other without going through a base station.
- the AI server 200 may include a server that performs AI processing and a server that performs calculations on big data.
- the AI server 200 is an AI device constituting the AI system 1, such as a robot 100a, an autonomous vehicle 100b, an XR device 100c, a smartphone 100d, or a home appliance 100e. It is connected through the cloud network 10 and may assist at least part of the AI processing of the connected AI devices 100a to 100e.
- the AI server 200 may train the artificial neural network according to a machine learning algorithm on behalf of the AI devices 100a to 100e, and directly store or transmit the learning model to the AI devices 100a to 100e.
- the AI server 200 receives input data from the AI devices 100a to 100e, infers result values for the received input data using a learning model, and issues a response or control command based on the inferred result values. It can be generated and transmitted to the AI devices 100a to 100e.
- the AI devices 100a to 100e may use a direct learning model to infer a resultant value from input data and generate a response or control command based on the inferred resultant value.
- the AI devices 100a to 100e to which the above-described technology is applied will be described.
- the AI devices 100a to 100e shown in FIG. 3 may be regarded as specific examples of the AI device 100 shown in FIG. 1 .
- the robot 100a may be implemented as a guide robot, a transport robot, a cleaning robot, a wearable robot, an entertainment robot, a pet robot, an unmanned flying robot, etc. by applying AI technology.
- the robot 100a may include a robot control module for controlling an operation, and the robot control module may mean a software module or a chip implemented as hardware.
- the robot 100a acquires state information of the robot 100a using sensor information acquired from various types of sensors, detects (recognizes) surrounding environments and objects, creates map data, moves and travels It can determine a plan, determine a response to a user interaction, or determine an action.
- the robot 100a may use sensor information obtained from at least one sensor among lidar, radar, and camera to determine a moving path and a driving plan.
- the robot 100a may perform the above operations using a learning model composed of at least one artificial neural network.
- the robot 100a may recognize a surrounding environment and an object using a learning model, and may determine an operation using the recognized surrounding environment information or object information.
- the learning model may be directly learned in the robot 100a or learned in an external device such as the AI server 200.
- the robot 100a may perform an operation by generating a result using a direct learning model, but transmits sensor information to an external device such as the AI server 200 and receives the result generated accordingly to perform the operation. You may.
- the robot 100a determines a movement route and driving plan using at least one of map data, object information detected from sensor information, or object information obtained from an external device, and controls a driving unit to determine the movement route and driving plan.
- the robot 100a can be driven accordingly.
- the map data may include object identification information about various objects disposed in the space in which the robot 100a moves.
- the map data may include object identification information on fixed objects such as walls and doors and movable objects such as flower pots and desks.
- the object identification information may include a name, type, distance, location, and the like.
- the robot 100a may perform an operation or drive by controlling a drive unit based on a user's control/interaction.
- the robot 100a may obtain intention information of an interaction according to a user's motion or voice utterance, determine a response based on the obtained intention information, and perform an operation.
- the self-driving vehicle 100b may be implemented as a mobile robot, vehicle, unmanned air vehicle, etc. by applying AI technology.
- the autonomous vehicle 100b may include an autonomous driving control module for controlling an autonomous driving function, and the autonomous driving control module may mean a software module or a chip implemented with hardware.
- the self-driving control module may be included inside as a component of the self-driving vehicle 100b, but may be configured as separate hardware and connected to the outside of the self-driving vehicle 100b.
- the self-driving vehicle 100b obtains state information of the self-driving vehicle 100b using sensor information obtained from various types of sensors, detects (recognizes) surrounding environments and objects, generates map data, A movement route and travel plan may be determined, or an action may be determined.
- the self-driving vehicle 100b may use sensor information obtained from at least one sensor among lidar, radar, and camera, like the robot 100a, in order to determine a moving route and a driving plan.
- the self-driving vehicle 100b may receive sensor information from external devices to recognize an environment or object in an area where the field of view is obscured or an area over a certain distance, or receive directly recognized information from external devices. .
- the self-driving vehicle 100b may perform the above operations using a learning model composed of at least one artificial neural network.
- the self-driving vehicle 100b may recognize surrounding environments and objects using a learning model, and may determine a driving route using the recognized surrounding environment information or object information.
- the learning model may be directly learned in the self-driving vehicle 100b or learned in an external device such as the AI server 200.
- the self-driving vehicle 100b may perform an operation by generating a result using a direct learning model, but operates by transmitting sensor information to an external device such as the AI server 200 and receiving a result generated accordingly. can also be performed.
- the self-driving vehicle 100b determines a movement route and driving plan using at least one of map data, object information detected from sensor information, or object information obtained from an external device, and controls the driving unit to determine the movement route and driving.
- the autonomous vehicle 100b may be driven according to a plan.
- the map data may include object identification information about various objects disposed in a space (eg, a road) in which the autonomous vehicle 100b travels.
- the map data may include object identification information on fixed objects such as streetlights, rocks, and buildings and movable objects such as vehicles and pedestrians.
- the object identification information may include a name, type, distance, location, and the like.
- the autonomous vehicle 100b may perform an operation or drive by controlling a driving unit based on a user's control/interaction.
- the self-driving vehicle 100b may obtain intention information of an interaction according to a user's motion or voice utterance, determine a response based on the acquired intention information, and perform an operation.
- the XR device (100c) is applied with AI technology, HMD (Head-Mount Display), HUD (Head-Up Display) equipped in the vehicle, television, mobile phone, smart phone, computer, wearable device, home appliances, digital signage , It can be implemented as a vehicle, a fixed robot or a mobile robot.
- HMD Head-Mount Display
- HUD Head-Up Display
- the XR device 100c analyzes 3D point cloud data or image data obtained through various sensors or from an external device to generate location data and attribute data for 3D points, thereby generating information about surrounding space or real objects.
- the XR object to be acquired and output can be rendered and output.
- the XR device 100c may output an XR object including additional information about the recognized product in correspondence with the recognized product.
- the XR device 100c may perform the above operations using a learning model composed of one or more artificial neural networks.
- the XR apparatus 100c may recognize a real object in 3D point cloud data or image data by using the learning model, and may provide information corresponding to the recognized real object.
- the learning model may be directly learned in the XR device 100c or learned in an external device such as the AI server 200.
- the XR device 100c may perform an operation by generating a result using a direct learning model, but transmits sensor information to an external device such as the AI server 200 and receives the result generated accordingly to perform the operation. can also be done
- the robot 100a may be implemented as a guide robot, a transport robot, a cleaning robot, a wearable robot, an entertainment robot, a pet robot, an unmanned flying robot, etc. by applying AI technology and autonomous driving technology.
- the robot 100a to which AI technology and autonomous driving technology are applied may refer to a robot itself having an autonomous driving function or a robot 100a interacting with an autonomous vehicle 100b.
- the robot 100a having an autonomous driving function may collectively refer to devices that move on their own according to a given movement line without user control or determine and move a movement line by themselves.
- the robot 100a and the autonomous vehicle 100b having an autonomous driving function may use a common sensing method to determine one or more of a moving route or driving plan.
- the robot 100a and the autonomous vehicle 100b having an autonomous driving function may determine one or more of a moving route or driving plan using information sensed through lidar, radar, and a camera.
- the robot 100a interacting with the self-driving vehicle 100b exists separately from the self-driving vehicle 100b, is linked to the self-driving function inside the self-driving vehicle 100b, or is connected to the self-driving vehicle 100b.
- An operation associated with the boarding user may be performed.
- the robot 100a interacting with the self-driving vehicle 100b obtains sensor information on behalf of the self-driving vehicle 100b and provides it to the self-driving vehicle 100b, or obtains sensor information and obtains surrounding environment information or By generating object information and providing it to the self-driving vehicle 100b, the self-driving function of the self-driving vehicle 100b may be controlled or assisted.
- the robot 100a interacting with the autonomous vehicle 100b may monitor a user riding in the autonomous vehicle 100b or control functions of the autonomous vehicle 100b through interaction with the user. .
- the robot 100a may activate an autonomous driving function of the autonomous vehicle 100b or assist in controlling a driving unit of the autonomous vehicle 100b.
- the functions of the self-driving vehicle 100b controlled by the robot 100a may include functions provided by a navigation system or an audio system installed inside the self-driving vehicle 100b as well as a simple self-driving function.
- the robot 100a interacting with the autonomous vehicle 100b may provide information or assist functions to the autonomous vehicle 100b outside the autonomous vehicle 100b.
- the robot 100a may provide traffic information including signal information to the autonomous vehicle 100b, such as a smart traffic light, or interact with the autonomous vehicle 100b, such as an automatic electric charger of an electric vehicle. You can also automatically connect the electric charger to the charging port.
- the robot 100a may be implemented as a guide robot, a transport robot, a cleaning robot, a wearable robot, an entertainment robot, a pet robot, an unmanned flying robot, a drone, etc. by applying AI technology and XR technology.
- the robot 100a to which the XR technology is applied may refer to a robot that is a target of control/interaction within the XR image.
- the robot 100a is distinguished from the XR device 100c and may be interlocked with each other.
- the robot 100a which is a target of control/interaction within the XR image, obtains sensor information from sensors including cameras, the robot 100a or the XR device 100c generates an XR image based on the sensor information. And, the XR device 100c may output the generated XR image. In addition, the robot 100a may operate based on a control signal input through the XR device 100c or a user's interaction.
- the user may check an XR image corresponding to the point of view of the robot 100a remotely linked through an external device such as the XR device 100c, and adjust the autonomous driving path of the robot 100a through interaction. , operation or driving can be controlled, or information of surrounding objects can be checked.
- the self-driving vehicle 100b may be implemented as a mobile robot, vehicle, unmanned aerial vehicle, etc. by applying AI technology and XR technology.
- the self-driving vehicle 100b to which XR technology is applied may refer to a self-driving vehicle equipped with a means for providing an XR image or an autonomous vehicle subject to control/interaction within the XR image.
- the self-driving vehicle 100b which is a target of control/interaction within the XR image, is distinguished from the XR device 100c and may be interlocked with each other.
- the self-driving vehicle 100b equipped with a means for providing an XR image may obtain sensor information from sensors including cameras, and output an XR image generated based on the obtained sensor information.
- the self-driving vehicle 100b may provide an XR object corresponding to a real object or an object in a screen to a passenger by outputting an XR image with a HUD.
- the XR object when the XR object is output to the HUD, at least a part of the XR object may be output to overlap the real object toward which the passenger's gaze is directed.
- an XR object when an XR object is output to a display provided inside the self-driving vehicle 100b, at least a part of the XR object may be output to overlap the object in the screen.
- the autonomous vehicle 100b may output XR objects corresponding to objects such as lanes, other vehicles, traffic lights, traffic signs, two-wheeled vehicles, pedestrians, and buildings.
- the self-driving vehicle 100b which is a target of control/interaction within the XR image, acquires sensor information from sensors including cameras
- the self-driving vehicle 100b or the XR device 100c obtains sensor information based on the sensor information.
- An XR image is generated, and the XR apparatus 100c may output the generated XR image.
- the self-driving vehicle 100b may operate based on a control signal input through an external device such as the XR device 100c or a user's interaction.
- FIG. 4 shows a refrigerator according to an embodiment of the present disclosure.
- the artificial intelligence device 100 may be a refrigerator and includes an edge device.
- the refrigerator is mainly described as a device for refrigerating or freezing stored products, which is a refrigerator for storing ordinary food, a kimchi refrigerator, a beverage refrigerator, a refrigerator for home use, a commercial refrigerator, and a refrigerating device composed of only a freezer. It includes all devices mainly for refrigerating and freezing functions.
- FIG. 4 is a view showing a refrigerator identifying stored products to which an embodiment of the present invention is applied.
- 10 is an exterior of the refrigerator 100 in a closed state
- 20 is an exterior of the refrigerator 100 in an open state.
- a space where one of the plurality of doors 21, 31, 41, and 51 constituting the refrigerator 100 manages the opening and closing of the door 21 may be divided into a plurality of separated storage spaces 23 and 24, ,
- the temperature of each of the storage spaces 23 and 24 can be independently controlled. Of course, the temperature may be equally controlled for spaces opened and closed by one door.
- the refrigerator 100 may further include a display unit 150 that displays information or shows the inside of the refrigerator 100 .
- the display unit 150 may be disposed on the front side of a specific door 31 or on the side of the refrigerator 100 .
- the display unit 150 may include a transparent display panel through which the inside of the refrigerator can be checked.
- the display unit 150 may include a display panel displaying an image inside the refrigerator.
- FIG. 5 shows a configuration diagram of a refrigerator according to an embodiment of the present disclosure.
- FIG. 5 is a diagram showing components for providing information on products inside a refrigerator according to an embodiment of the present invention.
- the display unit 150 provides a function of displaying images of products in the storage space or displaying descriptions of each product.
- the input unit 120 of FIG. 1 may include a camera 121 .
- the camera 121 photographs products stored in the storage space.
- the storage space is photographed to identify the type and size of products to be stored or received.
- the processor 180 may check whether the stocked product is a previously stocked product in the database unit 171 .
- the memory 170 of FIG. 1 may include a database unit 171 .
- the database unit 171 accumulates and stores images taken by the camera 121 for the products that have been received. In this process, images captured by the camera 121 at various angles may be accumulated and stored in the database unit 171 . In addition, the database unit 171, when there are a plurality of cameras 121, information on which location the camera has taken a picture of, and which storage space or shelf subdivided the storage space the product is placed on, information can be stored together.
- the database unit 171 stores the captured image captured by the camera 121, and also stores the image of the product separated by the product from the processor 180 captured image. In addition, the database unit 171 stores meta information corresponding to each captured image or product image.
- the meta-information may include any one or more of product name, product category, time the product is stocked, expiration date of the product, alarm time applied to the product, and location information where the product is placed in the storage space.
- the name may be used as a name when a user labels it.
- Receipt time refers to the time the product was received.
- the storage time may be any one or more of a time when the product is first stored in the refrigerator or a most recent stocked time. If a product is frequently taken out and stored in the refrigerator and the corresponding product is identified as the same product by the processor 180, the time taken out and stored may be accumulated and stored.
- the expiration date of the corresponding product or the alarm time applied to the product may also be meta information. This can be directly entered or selected by the user.
- the processor 180 may also store location information where the corresponding product is placed. In this process, accumulated location information of the product may be stored in the database unit 171 and output.
- the sensing unit 140 of FIG. 1 includes a weight sensing unit 141 for sensing the weight of a product in a storage space, a temperature sensing unit 143 for sensing the temperature of a storage space, and a door detection unit for sensing open/closed doors. (142) may be further included.
- the information sensed by the weight sensing unit 141 in each shelf or each storage space is also stored in the database unit 171, and when position movement occurs, such as moving from the first shelf to the second shelf in the refrigerator, the weight of each shelf Changes can increase the accuracy of product identification.
- a depth camera 122 and a temperature sensing unit 143 may be further included to increase accuracy in separating images for each product.
- the temperature sensor 143 senses temperature information of a product in the storage space, and the depth camera 122 generates depth information of the product.
- One product may have the same or similar temperature. Also, one product may have the same depth information or constantly increase or decrease depth information. Accordingly, when the processor 180 extracts an image of a specific product from the captured image, accuracy may be increased by using the temperature or depth information of the corresponding product.
- the processor 180 controls the above-mentioned components and uses the information provided by each component to display or output product information or to communicate with an external device to output information through communication, such as the communication unit 110. You can control it.
- the processor 180 generates meta information for each product based on an image captured by the camera 121 or information stored in the database unit 171 .
- the meta-information may include the name of the corresponding product, the arrival time, the estimated weight, and the like.
- the processor 180 may generate expiration dates for each product received by the communication unit 110 .
- the communication unit 110 may perform a function of receiving information necessary for generating product meta information from an external server or transmitting product information when an external smartphone or the like requests confirmation of in-house information. For example, an image and meta information of a product may be transmitted to an external mobile terminal or server 200 and information indicating a search information or an output method of a product stored in a storage space may be received from the external mobile terminal or server 200.
- the door detection unit 142 detects the opening and closing of the door so that the inflow of the product can be confirmed. In this process, the door detecting unit 142 may detect whether the user's body enters the storage space at the boundary point of the storage space so that it can be confirmed that the user simply opens and closes the door.
- the door sensor 142 may include a speed sensor to measure the speed when the door is opened/closed.
- Compressor 190 provides cooling power to refrigerators and freezers.
- the compressor 190 may provide cooling power to the refrigerator based on the setting of the processor 180 .
- the processor 180 outputs predetermined product information to the outside and then instructs the operation of the refrigerator 100 from the outside, the compressor 190 may operate based on this.
- the memory 170 of FIG. 1 may further include a database unit 171 .
- the database unit 171 stores an image of a received product. Since the images taken from various angles are stored, the processor 180 may later search for candidate images stored in the database unit 171 when identifying newly stocked products.
- the processor 180 acquires image data of the inside of the refrigerator through the camera 121, uses refined image data among the acquired image data to generate storage and delivery data of products stored inside the refrigerator, Product warehousing and warehousing information can be updated using the generated warehousing and warehousing data.
- the processor may create a user database using the product input/output information and store the database in the memory 170 .
- the operation of the processor 180 of the refrigerator 100 will be mainly described below, it is not limited thereto, and it is also possible that the server 200 communicating with the refrigerator 100 performs the operation of the processor 180. interpretation would be preferable.
- FIG. 6 is a flowchart illustrating a method for managing product storage and delivery of a refrigerator according to an embodiment of the present disclosure.
- the processor 180 of the refrigerator may obtain image data of the inside of the refrigerator (S610).
- the processor 180 may detect the user's door open using the door detector.
- the processor 180 turns on the camera when the door is opened and then closed by the user, and turns on the inside of the refrigerator after a certain period of time to acquire image data of the inside of the refrigerator.
- the processor 180 detects a user's door open or door close using a door sensor, and captures the door open or door closed using a camera to obtain image data of the inside of the refrigerator. would also be possible.
- the processor 180 communicates with an external device (eg, a mobile terminal) using the communication unit 110, and when an application for interacting with a refrigerator is executed in the mobile terminal. , It will also be possible to obtain image data inside the refrigerator by operating the camera 121.
- an external device eg, a mobile terminal
- the processor 180 may obtain product inventory information stored in the refrigerator using image data of the inside of the refrigerator.
- a product that can be stored in a refrigerator is governed as a 'product'.
- the product inventory information may include the name, number, location, date of warehousing, and date of shipment of the product being stored.
- the processor 180 may extract product information from image data inside the refrigerator using a conventional image processing technique.
- the processor 180 may store the obtained product inventory data in a memory.
- the processor 180 of the refrigerator may remove unrecognized/misrecognized results from the refrigerator interior image data after obtaining the refrigerator interior image data (S610). This can be used in combination with the process of extracting highly reliable data.
- high-reliability data means a data set obtained by removing product occlusion data, low-quality image data, and low confidence data that have been occluded by other products from the image data of the inside of the refrigerator obtained in S610. there is.
- the step of extracting high-reliability data from among the image data inside the refrigerator is the step of removing low-quality data from the image data inside the refrigerator, the step of removing low confidence data, and the step of removing product occlusion data.
- step S620 by changing the order of S621 to S623.
- the processor 180 may remove product occlusion data that is occluded by other products from among image data of the inside of the refrigerator (S621).
- FIG. 7 is a flowchart illustrating a method of removing product covering data (S521) according to an embodiment of the present disclosure.
- the processor 180 of the refrigerator may recognize a new product from acquired internal image data (S710).
- the new product may be a product newly stocked in the refrigerator.
- the position of the camera 121 is placed at a specific position, so products viewed from the specific position may overlap each other.
- the processor 180 When the processor 180 according to an embodiment of the present disclosure recognizes a new product and obtains data on the corresponding product, it may generate a bounding box in each of the regions where the old product and the new product are detected (S720). ).
- intersection area information may be generated based on the bounding boxes of the existing product and the new product.
- the bounding box may refer to a box obtained by extracting coordinate data for each product detected from the image data inside the refrigerator and connecting the coordinate data in vertical/horizontal directions.
- the shape of the bounding box is generally a shooting type, but is not limited thereto.
- the processor 180 may compare intersection area information of the existing product and the new product with a preset threshold value (S730).
- intersection area information may mean a value proportional to the area of the area where the bounding boxes of the new product and the existing product overlap each other.
- intersection area information may be IoU information.
- IoU is an abbreviation of 'Intersection over Union' and can be an indicator that mathematically indicates how much the locations (bounding boxes) of two products match.
- the processor 180 of the refrigerator may compare the size of the new product with the size of the existing product when the intersection area information between the old product and the new product exceeds a predetermined threshold (S730-YES). Yes (S740).
- image data of the inside of the refrigerator may include i) a case in which the new product completely covers an existing product or ii) a case in which a new product partially covers an existing product.
- the processor 180 of the refrigerator determines that the new product completely covers the old product, and stores the existing product in the temporary database until the position of the new product is changed.
- Product data may be stored (S750).
- the size of the new product is larger than the size of the existing product, it may mean that the size of the new product acquired from the image data inside the refrigerator is larger than the size of the existing product.
- the size of the bounding box of the new product may be larger than the size of the bounding box of the existing product.
- the case where the new product completely covers the old product means the case where the bounding box of the new product detected in the image data of the inside of the refrigerator completely covers the bounding box of the old product. larger than the size of the box.
- the processor 180 recognizes the existing product as outgoing and judges the new product as being in stock, even though the actual existing product is not detected because it is hidden by the new product.
- the processor 180 of the refrigerator of the present disclosure may store data related to existing products in a memory or a temporary database.
- the processor 180 may maintain the warehousing state of the existing product and generate product warehousing/leaving data determined as the warehousing of the new product.
- processor 180 will be able to update product warehousing and warehousing data, which will be described later.
- the processor 180 determines the area other than the intersection area among the existing product areas and the area before the arrival of the new product. It is possible to determine the stocking and releasing of the existing product by using the similarity of the area corresponding to the area other than the intersection area among the existing product areas (S741).
- the processor 180 may maintain the storage state of the existing object when the similarity is greater than a preset value, and may determine the delivery state of the existing object when the similarity is equal to or less than a preset value.
- the processor 180 may store the input/output data determined in the above process in a database (S750).
- FIG. 8 is a view for explaining a case where i) a new product completely covers an existing product according to an embodiment of the present disclosure.
- the processor 180 of the refrigerator may store data of the old product in a temporary database until the location of the new product is changed (S750). ).
- an existing object 811 may exist in image data 810 of the inside of a refrigerator acquired at a previous point in time. After that, the new product 821 may be stocked in the refrigerator interior image data 820 acquired at the current point in time.
- the processor 180 may create bounding boxes of the existing object 811 and the new object 821 .
- intersection area information of the bounding boxes exceeds a predetermined threshold value, it may be determined that the two objects overlap each other.
- the processor 180 may compare the size of the bounding box of the existing product 811 and the size of the bounding box of the new product 821 .
- the size of the bounding box of the new product may be larger than the size of the bounding box of the existing product.
- the size of the bounding box of the new product is the size of the bounding box of the existing product. become bigger
- the processor may maintain the stocking state of the existing product 811 and generate product stocking and releasing data determined as the stocking of the new product 821 .
- processor 180 will be able to update product warehousing and warehousing data, which will be described later.
- FIG. 9 is a view for explaining a case in which ii) a new product covers a part of an existing product according to an embodiment of the present disclosure.
- the processor 180 may select an area other than the intersection area among the existing product areas and an existing product prior to arrival of the new product. It is possible to determine the stocking and releasing of the existing product by using the similarity of the region corresponding to the region other than the intersection region among the regions (S741).
- image data 910 of an existing product detected at a previous time in image data of the inside of the refrigerator and image data 920 in which an existing product and a new product detected at a current time overlap are shown.
- the case where a new product covers part of an existing product means that the bounding box of the new product detected in the image data of the inside of the refrigerator partially covers the bounding box of the old product. smaller than the size of the box.
- the processor 180 may select an area 921 other than the intersection areas 922 , 923 , and 924 among existing product areas in the image data 920 in which the old product and the new product overlap, and the existing product prior to arrival of the new product.
- the stocking and releasing of the existing product may be determined using the similarity of the region 911 corresponding to the region other than the intersection region among the regions 910 (S741).
- the processor 180 may divide image data 910 of an existing product detected at a previous point of time and image data 920 in which an existing product and a new product detected at a current point of time overlap each other at a predetermined ratio.
- An image of an existing product detected at a previous point in time may be divided according to the ratio of intersection area information. (See 911 to 914)
- the image 920 detected at the current point of view may be divided according to the ratio of the intersection area information. (see 921 to 924)
- the processor of the present disclosure determines the similarity between regions 921 other than the intersection regions 922 , 923 , and 924 among existing product regions and regions 911 corresponding to regions other than the intersection region among existing product regions 910 before new product warehousing. can be derived
- the processor 180 of the present disclosure may determine that the existing product is not shipped when the similarity is higher than a preset value, and may maintain storage of the existing product.
- the processor 180 may determine that a new product has been received. Thereafter, the processor may store the determined input/output data in a database (S750).
- the processor may determine 'no occluding' when information on the intersection area of the existing product and the new product is equal to or less than a preset threshold value (S730-NO) (S731).
- the processor may exclude the refrigerator interior image data from the product occluding data.
- the data excluded from the product cover data may also be determined as a highly reliable image, and may be updated to refined product storage and delivery data through steps S622 and S623 (S630).
- the processor 180 may remove low quality image data and low confidence data during the process of removing unrecognized/misrecognized data.
- the processor of the refrigerator may remove low quality image data (S622).
- the low-quality image data is obtained when at least one of the speed sensor of the door sensor 142 of the refrigerator, the illuminance sensor of the refrigerator, and the degree of blur of the image data inside the refrigerator exceeds a predetermined standard.
- image data may be included.
- the processor 180 may determine that the data is low-quality image data when a value measured by the speed sensor due to opening/closing of the refrigerator door exceeds a preset value.
- the processor 180 may determine that the data is low quality image data when a value measured by an illuminance sensor of a camera provided in the refrigerator exceeds a preset value.
- the processor 180 measures the illuminance value of the internal image data of the refrigerator using a publicly disclosed illuminance value measurement algorithm, and determines that the data is low quality image data when the corresponding illuminance value exceeds a preset value. can do.
- the processor 180 may measure the blur value of image data inside the refrigerator using a publicly available blur value measurement algorithm, and determine that the data is low quality image data when the corresponding blur value exceeds a preset value.
- internal image data of the refrigerator obtained using a camera installed in the door of the refrigerator may be low-quality data with low components for identifying product characteristics.
- image data inside the refrigerator may be low-quality data.
- the processor according to an embodiment of the present disclosure may remove low confidence data from the image data of the inside of the refrigerator (S623).
- the processor 180 determines that the recognized product is classified as unspecific data and the recognized result is inconsistent low confidence data, and removes the low confidence data, Refined log data may be extracted from the obtained image data of the inside of the refrigerator.
- a K-Nearest Neighbor (KNN) algorithm may be used to extract low confidence data.
- a plurality of vectors for each of the existing products are generated using the learning data labeled with the learner and the image of the existing product, and when a new product is detected from the captured image data of the inside of the refrigerator, the vector of the new product and the learner learn. It is possible to determine the vector and similarity of each of the existing products.
- the degree of similarity means the distance between vectors, and it can be determined that two products are similar as the distance is closer.
- Data determined as the low confidence may be removed from refrigerator internal image data and may not be used to update product storage and delivery data.
- highly reliable data for updating product storage and delivery data may be extracted and refined log data may be generated using the refined refrigerator interior image data among the refrigerator interior image data (S630).
- the processor may remove the temporary storage/receiving data (S640).
- the user may have products such as seasoning, sauce (eg, ketchup, red pepper paste, jam), water, etc. that need to be temporarily shipped out of the refrigerator for cooking rather than delivery.
- sauce eg, ketchup, red pepper paste, jam
- water etc.
- FIG. 10 is a flowchart illustrating a method of removing temporary storage/exit data according to an embodiment of the present disclosure.
- the processor 180 may obtain product information corresponding to a capturing time using refined image data and capturing time information of the refined image data (S1010).
- the processor 180 may generate product information corresponding to shooting time information as shown in the product list 1100 of FIG. 11 using data stored in the memory 170 or the database 171. there is.
- the processor 180 may generate a product list included in an image captured at a specific time point of at least one or more of a plurality of refined image data (S1020).
- the processor may generate a product list 1110 included in an image captured at time t1 from among refined image data.
- the processor 180 may generate product lists 1110 to 1170 included in images captured at times t1 to t7 among the refined image data.
- the product list 1110 included in the image captured at time t1 may be beer, beer, cola, water, and soy milk.
- the product list 1120 included in the image captured at time t2 may include beer, beer, cola, water, soy milk, and soy milk.
- the product list 1130 included in the image captured at time t3 may include beer, beer, cola, water, soy milk, soy milk, and milk.
- the same product list may be generated at t4 to t7, respectively.
- the product list 1100 is only an example, and may include various times and various products according to settings.
- the processor 180 may group at least one product list at a specific point in time within a certain time range (S1030).
- the processor 180 may generate warehousing and warehousing data including time, recognized products, inventory amount, and inventory variation by using the grouped product list (S1040).
- the processor 180 may correct the warehousing and warehousing data generated based on the product list and inventory information at a time before the current time and the product list and inventory information at a point in time after the current time (S1050).
- the processor 180 when the product list and inventory information at a time before the current point in time and the product list and stock amount information after the current point in time are the same, the product list and stock amount information at the current point in time before the current point in time or at a point after the current point in time and can be kept the same. The process will be described with reference to FIG. 12 below.
- the processor according to an embodiment of the present disclosure may repeat the above process in real time to generate final storage/exit data (S650).
- FIG. 11 shows a product list according to an embodiment of the present disclosure
- FIG. 12 is a diagram illustrating a process of generating final product warehousing and warehousing data to be updated using the product list generated in FIG. 11 .
- the processor 180 may group a specific time of the product list 1100 generated in FIG. 11 into a specific time range.
- the processor 180 may generate warehousing and warehousing data using data grouped in a certain time range.
- the processor 180 may group t1 to t7 representing the capturing time of each of the plurality of internal image data within a predetermined time range (S1030).
- the processor 180 may generate warehousing and warehousing data 1200 including time, recognized products, inventory amount, and inventory variation by using the grouped data.
- image data of the inside of the refrigerator at t1 may be obtained during T time of the first period.
- t2, t3, and t4 may be included.
- t5 and t6 may be included.
- t7 may be included.
- the processor 180 recognizes the product list at time t1 (beer, cola, water, soymilk), the stock amount is (beer 2, cola 1, water 1, soymilk 1), and the stock change amount is (beer + 2, cola + 1) , water + 1, soymilk + 1). Using the data, the processor may generate first input/output data 1201 for time T of the first period (S1040). Thereafter, as new data is input during the time, the processor 180 may remove the temporary input/output data.
- internal image data of the refrigerator at time points t2, t3, and t4 may be obtained during time T of the second period.
- the processor 180 may list (beer, beer, coke, water, soymilk, soymilk, soymilk) and inventory (beer 2, coke 1, water 1, soymilk 3) at time t2.
- the recognized product list may be (beer, beer, cola, water, soymilk, soymilk, soymilk), and the stock amount may be (beer 2, coke 1, water 1, soymilk 3).
- the recognized product list at the time of t4 is (beer, beer, cola, soymilk, soymilk, soymilk) and the stock amount can be recognized as (beer 2, cola 1, water 0, soymilk 3).
- the processor 180 may obtain a product list and a stock amount from time t2 to t4 during time T of the second period, and calculate a stock change amount.
- the processor 180 may generate the second input/output data 1202 during time T of the second period (S1040).
- the processor 180 may correct warehousing and warehousing data generated based on the product list and stock amount information before the current point in time and the product list and stock amount information after the current point in time (S1050).
- the processor 180 when the product list and inventory information at a time before the current point in time and the product list and stock amount information after the current point in time are the same, the product list and stock amount information at the current point in time before the current point in time or at a point after the current point in time and can be kept the same.
- the processor may obtain product list and stock quantity information at time t3 before the current time t4 and time t5 after the current time in order to detect temporary storage and warehousing data.
- the processor 180 may determine that the refrigerator is temporarily stored in and out of the refrigerator, and maintain the stock amount information about 'water' at the time t4 to be the same as that of t3 or t5.
- the stock change amount during the second time period T may be (beer +0, cola +0, water +0, soymilk +2).
- the processor may correct the second input/output data 1202 for time T.
- internal image data of the refrigerator at times t5 and t6 may be obtained during time T of the third period.
- the recognized product list may be (beer, beer, cola, water, soymilk, soymilk), and the stock amount may be (beer 2, coke 1, water 1, soymilk 2).
- the list of recognized products may be (beer, coke, soymilk), and the stock amount may be (beer 2, cola 1, soymilk 3).
- the processor may generate third input/output data 1203 for time T.
- the processor 180 may obtain a list of products and a stock amount from time t5 to t6 during the third time T, calculate a stock change amount, and correct the third storage/receiving data 1203 generated accordingly.
- the processor has a stock change of '-1' in relation to 'water' at time t6, but when comparing the product list and inventory information at t5 before t6 and t7 after t6, 'water It is possible to detect that the quantity of inventory related to 'is 'the same' as '1'.
- the processor 180 may determine that the refrigerator is temporarily shipped out and maintain the stock amount information on 'water' at the time t6 to be the same as that of t5 or t7.
- the processor 180 compares the product list and stock amount information at time t5 before time t6 and time t7 after time t6, although the stock change amount is '+1' in relation to 'soymilk' at time t6, ' It is possible to detect that the quantity of inventory related to 'soymilk' is 'the same' as '2'.
- the processor 180 may determine that it is a temporary storage and maintain stock amount information about 'soymilk' at t6 to be the same as t5 or t7.
- the stock change amount during the third time period T may be (beer +0, cola +0, water +0, soymilk -1).
- the processor may correct the third input/output data 1203 for a third T time.
- internal image data of the refrigerator at time t7 may be obtained during time T of the fourth period.
- the recognized product list may be (beer, water, soymilk, soymilk), and the stock amount may be (beer 1, water 1, soymilk 2).
- the processor may generate fourth input/output data 1204 during time T of the fourth period.
- the processor according to an embodiment of the present disclosure may repeat the above process in real time, remove temporary storage/exit data, and generate final storage/exit data (S650).
- the final input and output data 1200 in FIG. 12 is only an example for explaining an embodiment of the present disclosure in real time, and is not limited to the above example.
- the processor when determining whether the processor according to an embodiment of the present disclosure corresponds to temporary storage and warehousing data, it may be preferable to determine whether to determine temporary warehousing and warehousing data based on consumption characteristics for each food category.
- the processor may pre-obtain a list of temporary warehousing and warehousing products, such as various sauces, water, beverages, and spices, and determine temporary warehousing and warehousing only for products corresponding to the acquired temporary warehousing and warehousing product list.
- temporary warehousing and warehousing products such as various sauces, water, beverages, and spices
- a user database may be built using the generated product warehousing data (S660).
- the user database may include information about products inside the refrigerator, stock amount, and stock change over time.
- the processor 180 may determine that the second product is shipped together with the first product at a specific time and a specific schedule by using the updated product inventory information.
- the processor 180 may know that the first product and the second product are consumed together, and may create a personalized database for the user accordingly.
- the created user database may be stored in memory.
- the created user database will be transmitted to various devices such as external devices, mobile terminals and servers and can be utilized.
- the processor of the refrigerator is performed, but the server collects image data of the inside of the refrigerator obtained by a specific command of the refrigerator or mobile terminal, and the processor provided in the server performs the above process to create a database. It will also be possible to generate and transmit the generated database to a refrigerator, an external device, and a mobile terminal.
- FIG. 13 is an exemplary view showing a change amount of a product in an inventory list according to an embodiment of the present disclosure
- FIG. 14 is an example view showing an average change amount of a product according to an embodiment of the present disclosure
- FIG. 15 is an example view according to an embodiment of the present disclosure. It is an exemplary diagram showing product consumption information.
- the processor 180 may generate an inventory list variation for a specific day of the week.
- the database includes time data that includes information on products that are received or shipped for each product usage time (month/day/day/time zone), recommendation of foods to be purchased by day or time slot, and information on the consumption cycle of the corresponding food It will be possible to track distribution data including, product data including information on products entering/exiting at the same time as specific foods, favorite recipes, preferred food combinations, and intake nutrients/vitamins.
- shopping information may be generated including information on products shipped together among products shipped from the refrigerator.
- the processor may know that the second product is shipped together with the first product at a specific time and on a specific schedule using updated product inventory information.
- the processor can know that the first product and the second product are consumed together, and can create a user's personalized database accordingly.
- product data accumulation and inventory list update may be performed based on image data of the refrigerator interior captured.
- the present disclosure described above can be implemented as computer readable codes in a medium on which a program is recorded.
- the computer-readable medium includes all types of recording devices in which data that can be read by a computer system is stored. Examples of computer-readable media include Hard Disk Drive (HDD), Solid State Disk (SSD), Silicon Disk Drive (SDD), ROM, RAM, CD-ROM, magnetic tape, floppy disk, optical data storage device, etc. there is Also, the computer may include the processor 180 of the terminal.
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Abstract
Description
Claims (20)
- 냉장고의 제품 입출고 데이터를 관리하는 방법에 있어서,상기 냉장고에 구비된 카메라를 이용하여 냉장고 내부 이미지 데이터를 획득하는 단계;상기 냉장고 내부 이미지 데이터 중 신뢰도 높은 데이터를 추출하는 단계;상기 신뢰도 높은 데이터에 기초하여 제품 입출고 데이터를 업데이트하는 단계; 및업데이트된 제품 입출고 데이터에 기초하여 사용자 데이터베이스를 생성하는 단계를 포함하는,냉장고 제품 입출고 관리 방법.
- 제 1항에 있어서,상기 냉장고에 구비된 카메라를 이용하여 상기 냉장고 내부 이미지 데이터를 획득하는 단계는,외부장치로부터 촬영 명령이 수신되거나 냉장고 도어가 오픈 또는 클로즈되면, 상기 카메라를 이용하여 상기 냉장고 내부 이미지 데이터를 획득하는 단계를 포함하는,냉장고 제품 입출고 관리 방법.
- 제 1항에 있어서,상기 냉장고 내부 이미지 데이터 중 신뢰도 높은 데이터를 추출하는 단계는,상기 냉장고 내부 이미지 데이터 중 저품질 데이터를 제거하는 단계, 로우 컨피던스(low confidence) 데이터를 제거하는 단계 및 제품 가림 데이터를 제거하는 단계 중 적어도 하나를 포함하는,냉장고 제품 입출고 관리 방법.
- 제 3항에 있어서상기 저품질 데이터는,상기 냉장고의 스피드 센서, 상기 냉장고의 조도 센서 및 상기 냉장고 내부 이미지 데이터의 블러(blur) 정도 중 적어도 하나의 값이 기 설정된 기준을 초과하는 경우 획득된 이미지 데이터를 포함하는,냉장고 제품 입출고 관리 방법.
- 제 3항에 있어서상기 로우 컨피던스 데이터를 제거하는 단계는,기존 데이터와 비교하여, 인식된 제품의 유사도가 기 설정된 값보다 낮은 경우 로우 컨피던스 데이터로 판단하는 단계를 포함하는,냉장고 제품 입출고 관리 방법.
- 제 3항에 있어서,상기 제품 가림 데이터를 제거하는 단계는신규 제품을 검출하는 단계;신규 제품과 기존 제품의 교집합 영역 정보를 추출하는 단계;상기 교집합 영역 정보가 기 설정된 값보다 큰 경우,상기 신규 제품의 크기가 기존 제품의 크기보다 크면, 상기 기존 제품의 입고 상태를 유지하고 상기 신규 제품의 입고로 판단하는 단계를 포함하는,냉장고 제품 입출고 관리 방법.
- 제 3항에 있어서,상기 제품 가림 데이터를 제거하는 단계는신규 제품 영역을 검출하는 단계;상기 신규 제품 영역과 기존 제품 영역의 교집합 영역 정보를 추출하는 단계;상기 교집합 영역 정보가 기 설정된 값보다 큰 경우,상기 신규 제품 영역의 크기가 기존 제품 영역의 크기보다 작으면, 상기 기존 제품 영역 중 교집합 영역 이외의 영역과 신규 제품 입고 이전의 기존 제품 영역 중 상기 교집합 영역 이외의 영역에 대응하는 영역의 유사도를 이용하여 상기 기존 제품의 입출고를 판단하는 단계를 포함하는,냉장고 제품 입출고 관리 방법.
- 제 7항에 있어서,상기 유사도를 이용하여 상기 기존 제품의 입출고를 판단하는 단계는,상기 유사도가 기 설정된 값보다 큰 경우, 상기 기존 제품의 입고 상태를 유지하고, 상기 유사도가 기 설정된 값 이하인 경우, 상기 기존 제품의 출고 상태로 판단하는 단계를 포함하는,냉장고 제품 입출고 관리 방법.
- 제 3항에 있어서,상기 제품 가림 데이터를 제거하는 단계는신규 제품을 검출하는 단계;신규 제품과 기존 제품의 교집합 영역을 추출하는 단계;상기 교집합 영역 정보가 기 설정된 값보다 이하일 경우, 상기 제품 가림 데이터에서 제외하는 단계를 포함하는,냉장고 제품 입출고 관리 방법.
- 제 1항에 있어서,상기 업데이트된 제품 입출고 데이터 중 임시 입출고 데이터를 제거하여 최종 제품 입출고 데이터를 생성하는 단계를 더 포함하는,냉장고 제품 입출고 관리 방법.
- 제 10항에 있어서,상기 업데이트된 제품 입출고 데이터 중 임시 입출고 데이터를 제거하여 상기 최종 제품 입출고 데이터를 생성하는 단계는,신뢰도 높은 데이터 및 촬영시간 정보를 이용하여 적어도 하나 이상의 특정 시점에 촬영된 이미지에 포함된 제품 목록을 각각 생성하는 단계;상기 특정 시점의 제품 목록을 일정 주기로 그룹화하는 단계;상기 그룹화한 제품 목록을 이용하여 입출고 데이터를 생성하는 단계 및생성된 입출고 데이터를 보정하는 단계를 포함하는,냉장고 제품 입출고 관리 방법.
- 제 11항에 있어서,상기 생성된 입출고 데이터를 보정하는 단계는,현재 시점 이전의 제품 목록 및 재고량 정보와 현재 시점 이후의 제품 목록 및 재고량 정보가 동일한 경우, 상기 현재 시점의 제품 목록 및 재고량 정보를 상기 현재 시점 이전 또는 현재시점 이후 시점과 동일하게 유지하는 단계를 포함하는,냉장고 제품 입출고 관리 방법.
- 제 11항에 있어서,생성된 입출고 데이터를 보정하는 단계는,상기 제품이 임시 입출고 제품 목록에 포함되는지 판단하는 단계를 더 포함하는,냉장고 제품 입출고 관리 방법.
- 제 1항에 있어서,상기 사용자 데이터베이스를 이용하여, 제품의 재고 목록 변화량, 제품 변화량 평균 및 제품 소비 정보를 생성하고, 생성된 정보를 이용하여 사용자 맞춤형 쇼핑을 제공하는 단계를 포함하는,냉장고 제품 입출고 관리 방법.
- 통신부;입출고 데이터를 저장하는 메모리;냉장고 내부 이미지 데이터를 획득하는 카메라;상기 냉장고 내부 이미지 데이터 중 신뢰도 높은 데이터를 추출하고, 상기 신뢰도 높은 데이터에기초하여 제품 입출고 데이터를 업데이트하고 업데이트된 제품 입출고 데이터에 기초하여 냉장고 입출고 데이터베이스를 생성하는 프로세서를 포함하는,냉장고.
- 제 15항에 있어서,상기 프로세서는 상기 통신부를 통하여 외부장치와 통신하고, 상기 외부장치로부터 촬영 명령이 수신되거나 냉장고 도어가 오픈 또는 클로즈되면, 상기 카메라를 이용하여 상기 냉장고 내부 이미지 데이터를 획득하는,냉장고.
- 제 15항에 있어서,상기 프로세서는 상기 냉장고 내부 이미지 데이터 중 저품질 데이터를 제거, 로우 컨피던스(low confidence) 데이터를 제거 및 제품 가림 데이터를 제거 중 적어도 하나를 수행하여 상기 신뢰도 높은 데이터를 추출하는,냉장고.
- 제 15항에 있어서,상기 프로세서는 상기 업데이트된 제품 입출고 데이터 중 임시 입출고 데이터를 제거하여 최종 제품 입출고 데이터를 생성하는,냉장고.
- 냉장고과 통신하는 서버를 포함하는 제품 입출고 관리 시스템이 있어서,상기 냉장고는 통신부, 입출고 데이터를 저장하는 메모리, 냉장고 내부 이미지 데이터를 획득하는 카메라 및 프로세서 포함하고,상기 서버는 상기 냉장고와 통신하는 통신부;상기 통신부를 통해 상기 냉장고 내부 이미지 데이터를 획득하고 사용자 데이터베이스를 생성하는 프로세서를 포함하고,상기 서버의 프로세서는, 상기 냉장고 내부 이미지 데이터 중 신뢰도 높은 데이터를 추출하고, 상기 신뢰도 높은 데이터에 기초하여 제품 입출고 데이터를 업데이트하고 업데이트된 제품 입출고 데이터에 기초하여 냉장고 입출고 데이터베이스를 생성하는,시스템.
- 제 19항에 있어서,상기 서버의 프로세서는상기 냉장고 내부 이미지 데이터 중 저품질 데이터를 제거, 로우 컨피던스(low confidence) 데이터를 제거 및 제품 가림 데이터를 제거 중 적어도 하나를 수행하여 상기 신뢰도 높은 데이터를 추출하고, 상기 신뢰도 높은 데이터에 기초하여 제품 입출고 데이터를 업데이트하고, 상기 업데이트된 제품 입출고 데이터 중 임시 입출고 데이터를 제거하여 최종 제품 입출고 데이터를 생성하는,시스템.
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PCT/KR2021/009715 WO2023008595A1 (ko) | 2021-07-27 | 2021-07-27 | 제품 재고를 관리하기 위한 냉장고 및 그 방법 |
KR1020237039978A KR20230175257A (ko) | 2021-07-27 | 2021-07-27 | 제품 재고를 관리하기 위한 냉장고 및 그 방법 |
US18/578,046 US20240328709A1 (en) | 2021-07-27 | 2021-07-27 | Refrigerator for managing product stock and method therefor |
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PCT/KR2021/009715 WO2023008595A1 (ko) | 2021-07-27 | 2021-07-27 | 제품 재고를 관리하기 위한 냉장고 및 그 방법 |
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WO2023008595A1 true WO2023008595A1 (ko) | 2023-02-02 |
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PCT/KR2021/009715 WO2023008595A1 (ko) | 2021-07-27 | 2021-07-27 | 제품 재고를 관리하기 위한 냉장고 및 그 방법 |
Country Status (3)
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US (1) | US20240328709A1 (ko) |
KR (1) | KR20230175257A (ko) |
WO (1) | WO2023008595A1 (ko) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101754372B1 (ko) * | 2016-05-26 | 2017-07-19 | 주식회사 원더풀플랫폼 | 식재료 관리 시스템 및 식재료 관리 방법 |
JP2019070475A (ja) * | 2017-10-06 | 2019-05-09 | パナソニックIpマネジメント株式会社 | 冷蔵庫 |
JP2019168134A (ja) * | 2018-03-22 | 2019-10-03 | 三菱電機株式会社 | 冷蔵庫システム |
US20200033052A1 (en) * | 2019-03-29 | 2020-01-30 | Lg Electronics Inc. | Refrigerator and method for managing articles in refrigerator |
KR20200051283A (ko) * | 2018-11-05 | 2020-05-13 | 삼성전자주식회사 | 식품 관리 시스템, 서버 장치 및 냉장고 |
-
2021
- 2021-07-27 KR KR1020237039978A patent/KR20230175257A/ko unknown
- 2021-07-27 WO PCT/KR2021/009715 patent/WO2023008595A1/ko active Application Filing
- 2021-07-27 US US18/578,046 patent/US20240328709A1/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101754372B1 (ko) * | 2016-05-26 | 2017-07-19 | 주식회사 원더풀플랫폼 | 식재료 관리 시스템 및 식재료 관리 방법 |
JP2019070475A (ja) * | 2017-10-06 | 2019-05-09 | パナソニックIpマネジメント株式会社 | 冷蔵庫 |
JP2019168134A (ja) * | 2018-03-22 | 2019-10-03 | 三菱電機株式会社 | 冷蔵庫システム |
KR20200051283A (ko) * | 2018-11-05 | 2020-05-13 | 삼성전자주식회사 | 식품 관리 시스템, 서버 장치 및 냉장고 |
US20200033052A1 (en) * | 2019-03-29 | 2020-01-30 | Lg Electronics Inc. | Refrigerator and method for managing articles in refrigerator |
Also Published As
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KR20230175257A (ko) | 2023-12-29 |
US20240328709A1 (en) | 2024-10-03 |
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