Vertual reality-based residential space management method and device

Abstract

The present invention discloses a virtual reality-based residential space management method comprising: a step of creating a virtual residential space online that resembles a real residential space; a step of updating the virtual residential space so that state changes occurring in the real residential space are reflected in the virtual residential space; and a step of determining the cleanliness of the virtual residential space based on state changes in the real residential space. According to the present invention, a real space can be managed through a virtual space, and the virtual space can be linked to a market for items necessary for managing the real space.

Description

Technology Field

[0001] The present invention relates to a method and apparatus for managing a residential space based on virtual reality, and more specifically, to a method and apparatus that enables the management of the environment of a real residential space by linking the environment of a real residential space to a virtual residential space based on virtual reality. Background Technology

[0002] The metaverse is a vast space where digital experiences can be had, consisting of 3D virtual spaces including virtual reality, augmented reality, and the internet, where reality and unreality coexist.

[0003] Within the metaverse platform, various goods and items can be designed, manufactured, and sold. Additionally, revenue models can be generated within the metaverse world through advertising, virtual goods, and content creation.

[0004] As a technology related to the present invention, the metaverse system disclosed in the Korean Registered Patent Publication discloses a system that provides an economic operating system in a fused space where reality and virtuality are fused. While this related technology provides users with building sales information, interior design, and data on changes to the interior design in a virtual space, the present invention differs from the related technology in the purpose, effect, and configuration of the invention in that it provides a virtual residential space corresponding to a real residential space and links the virtual residential space to the real residential space. Prior art literature

[0005] Republic of Korea Registered Patent No. 10-2463019 (Published Nov. 07, 2022) The problem to be solved

[0006] The problem that the present invention aims to solve is to provide a method and apparatus based on a system that combines an element of fun with the cultivation of a virtual living space environment, which changes in conjunction with the environment of a real living space, through productive activities.

[0007] The problem that the present invention aims to solve is to provide a method and apparatus capable of updating a virtual space by linking it to a real space.

[0008] The problem that the present invention aims to solve is to provide a method and apparatus that can manage a real space through a virtual space and can be linked to a market for products necessary for managing the real space.

[0009] The problem that the present invention aims to solve is not limited to the problems mentioned above, and other unmentioned problems will be clearly understood by those skilled in the art from the description below. means of solving the problem

[0010] To achieve the above objectives, according to one embodiment of the technical concept of the present invention, a virtual reality-based residential space management method is disclosed, comprising: a step of creating a virtual residential space online that resembles a real residential space; a step of updating the virtual residential space so that state changes occurring in the real residential space are reflected in the virtual residential space; and a step of determining the cleanliness of the virtual residential space based on state changes in the real residential space.

[0011] In addition, the virtual reality-based residential space management method may be configured such that the step of creating a virtual residential space online includes: a step of collecting video information captured of the real residential space; a step of analyzing the video information; and a step of modeling the virtual residential space using the analysis results of the video information.

[0012] In addition, a virtual reality-based residential space management method may be configured such that the step of updating the virtual residential space includes: a step of collecting state change information based on changes in the location of living items in the real residential space, changes in the interior due to the movement, addition, or disposal of interior items, and changes in the cleanliness of the real residential space; a step of analyzing the state change information; and a step of synchronizing the virtual residential space with the real residential space in a changed state using the analysis results of the state change information.

[0013] In addition, the virtual reality-based residential space management method may be configured such that the step of analyzing state change information includes a step of monitoring productive and non-productive activities occurring in the actual residential space.

[0014] In addition, the virtual reality-based residential space management method may be configured such that the step of synchronizing the virtual residential space includes a step of modifying the modeling of the virtual residential space according to the presence or absence of productive and non-productive activities to reflect the cleanliness status of the real residential space.

[0015] In addition, the virtual reality-based residential space management method may be configured to further include a step of recommending at least one of the aforementioned productive activities and the aforementioned non-productive activities required in the virtual residential space.

[0016] In addition, the virtual reality-based residential space management method may be configured to include an additional step of selling kits necessary for productive activities.

[0017] In addition, a virtual reality-based residential space management method may be configured to include a step of determining the cleanliness of a virtual residential space, a step of authenticating a change in state; and a step of receiving a reward from a user of the real residential space according to the authentication.

[0018] To achieve the above objectives, according to one embodiment of the technical concept of the present invention, a virtual reality-based residential space management device is disclosed, comprising: a modeling unit that generates a virtual residential space online that resembles a real residential space; a state change detection unit that detects a state change occurring in the real residential space; and a cleanliness judgment unit that determines the cleanliness of the virtual residential space based on the state change of the real residential space, wherein the modeling unit is configured to update the virtual residential space so as to be reflected in the virtual residential space.

[0019] Specific details of other embodiments are included in "Specific details for implementing the invention" and the attached "drawings".

[0020] The advantages and / or features of the present invention and the methods for achieving them will become clear by referring to the various embodiments described below in detail together with the accompanying drawings.

[0021] However, it should be understood that the present invention is not limited to the configurations of each embodiment disclosed below, but may be implemented in various different forms, and that each embodiment disclosed in this specification is provided merely to make the disclosure of the present invention complete and to fully inform those skilled in the art of the scope of the present invention, and that the present invention is defined only by the scope of each claim of the claims. Effects of the invention

[0022] According to the present invention, an element of fun can be combined with the work of cultivating the environment of a virtual living space, which changes in conjunction with the environment of a real living space, through productive activities.

[0023] In addition, the virtual space can be updated by linking it to the real space.

[0024] In addition, real-world space can be managed through virtual space, and virtual space can be linked to a market for products necessary to manage real-world space.

[0025] The effects obtainable by the virtual reality-based residential space management method and device according to the technical concept of the present invention are not limited to the effects mentioned above, and other unmentioned effects will be clearly understood by those skilled in the art to which the present invention belongs from the description below. Brief explanation of the drawing

[0026] FIG. 1 is a network relationship diagram of a virtual reality-based residential space management system according to one embodiment of the present invention. FIG. 2 is a block diagram of a virtual reality-based residential space management device according to one embodiment of the present invention. FIG. 3 is an example of a real residential space according to one embodiment of the present invention. FIG. 4 is an example of a virtual residential space according to one embodiment of the present invention. FIG. 5 is a flowchart of a virtual reality-based residential space management method according to one embodiment of the present invention. FIG. 6 is a flowchart of a virtual reality-based residential space management method according to one embodiment of the present invention. FIG. 7 is a flowchart of a virtual reality-based residential space management method according to one embodiment of the present invention. FIG. 8 is a flowchart of a virtual reality-based residential space management method according to one embodiment of the present invention. FIG. 9 is an example diagram of a screen displayed by a virtual reality-based residential space management device according to one embodiment of the present invention. FIG. 10 is an example diagram of a screen displayed by a virtual reality-based residential space management device according to one embodiment of the present invention. Specific details for implementing the invention

[0027] Before describing the present invention in detail, it should be understood that the terms and words used in this specification should not be interpreted as being limited to their ordinary or dictionary meanings, and that the inventor of the present invention may appropriately define and use the concepts of various terms to best describe their invention, and furthermore, that these terms and words should be interpreted in a meaning and concept consistent with the technical spirit of the present invention.

[0028] In other words, it should be understood that the terms used in this specification are used merely to describe preferred embodiments of the present invention and are not intended to specifically limit the content of the present invention, and that these terms are defined in consideration of the various possibilities of the present invention.

[0029] In addition, it should be noted that in this specification, singular expressions may include plural expressions unless the context clearly indicates a different meaning, and that even if they are expressed in a similarly plural form, they may include a singular meaning.

[0030] Throughout this specification, where it is stated that a component "includes" another component, unless specifically stated otherwise, this may mean that it does not exclude any other component but may include any other component.

[0031] Furthermore, it should be noted that in cases where it is stated that a component "exists inside or is installed in connection with" another component, this component may be installed in direct connection or contact with the other component, or it may be installed at a certain distance apart, and in the case where it is installed at a certain distance apart, there may be a third component or means for fixing or connecting the component to the other component, and a description of this third component or means may be omitted.

[0032] On the other hand, if it is stated that one component is "directly connected" or "directly connected" to another component, it should be understood that there is no third component or means.

[0033] Likewise, other expressions describing the relationship between each component, such as “between” and “right between”, or “adjacent to” and “directly adjacent to”, should be interpreted as having the same intent.

[0034] In addition, it should be understood that in this specification, terms such as “one side,” “other side,” “one side,” “other side,” “first,” “second,” etc., are used to clearly distinguish one component from another component, and that the meaning of the component is not restricted by such terms.

[0035] In addition, position-related terms such as "up," "down," "left," and "right" used in this specification should be understood as indicating the relative position of the corresponding component in the drawing, and unless an absolute position is specified, these position-related terms should not be understood as referring to an absolute position.

[0036] Furthermore, in specifying the reference numerals for each component of each drawing in this specification, the same component has the same reference numeral even if it is shown in different drawings; that is, the same reference numeral throughout the specification indicates the same component.

[0037] In the drawings attached to this specification, the size, location, connection relationships, etc., of each component constituting the present invention may be described in a partially exaggerated, reduced, or omitted manner for the convenience of explanation or to sufficiently clearly convey the concept of the present invention, and therefore, the proportions or scale may not be strictly accurate.

[0038] In addition, in the following description of the present invention, detailed descriptions of components that are deemed to unnecessarily obscure the essence of the present invention, such as known technologies including prior art, may be omitted.

[0039] Hereinafter, embodiments of the present invention will be described in detail with reference to the relevant drawings.

[0040] FIG. 1 is a network relationship diagram of a virtual reality-based residential space management system according to one embodiment of the present invention.

[0041] Referring to FIG. 1, a virtual reality-based residential space management system (10) according to one embodiment of the present invention may be configured to include a residential space management device (100), a camera device (200), a residential space management server (300), and a network (500).

[0042] The residential space management device (100) corresponds to a client of the residential space management system (10). And the residential space management server (300) corresponds to a server of the residential space management system (10). The residential space management device (100) can use the service of the residential space management method according to one embodiment of the present invention by connecting online to the residential space management server (300) in the form of a personal terminal such as a mobile terminal (100-1) such as a smartphone or tablet, or a desktop PC (100-2).

[0043] The camera device (200) may be installed in the user's actual living space, for example, a room. The camera device (200) has the function of transmitting or uploading video information collected in the actual living space using the camera to the living space management server (300) in the form of a video stream or video data. The video information may include video information of the actual living space and productive activities occurring in the actual living space. In addition to the camera, the camera device (200) may include an access point, such as a router device, capable of connecting the camera to a network (500).

[0044] A video of a real residential space can be generated by a camera (161) included in the residential space management device (100) and can also be uploaded through an online connection with the residential space management server (300).

[0045] The residential space management server (300) can receive, process, and transmit information in accordance with the request of the residential space management device (100), and the transmitted information can be displayed through the display of the residential space management device (100). The residential space management server (300) may collect video information by connecting to a camera device (200) installed in a real residential space according to a pre-set command, or may receive video information captured by a user through the residential space management device (100).

[0046] The network (500) may be any suitable communication network including wired and wireless networks, e.g., serial communication, LAN (local area network), WAN (wide area network), internet, intranet and extranet, and mobile networks, e.g., cellular, 3G, LTE, Wi-Fi network, ad-hoc network and combinations thereof.

[0047] The network (500) may include connections of network elements such as hubs, bridges, routers, switches, and gateways. The network (500) may include one or more connected networks, such as a multi-network environment, including a public network such as the Internet and a private network such as a secure corporate private network. Access to the network (500) may be provided through one or more wired or wireless access networks.

[0048] The following describes in detail the elements constituting the residential space management device (100).

[0049] FIG. 2 is a block diagram of a virtual reality-based residential space management device according to one embodiment of the present invention.

[0050] Referring to FIG. 2, the residential space management device (100) may be configured to include a control unit (101), a memory (102), a modeling unit (110) stored in the memory (102), a state change detection unit (120), a cleanliness judgment unit (130), an object recognition unit (140) and an artificial intelligence model (150), a camera (161), a user input unit (162), a display (163), and a communication unit (164).

[0051] The control unit (101) may be configured to store a modeling unit (110), a state change detection unit (120), a cleanliness judgment unit (130), an object recognition unit (140), and an artificial intelligence model (150). The modeling unit (110), the state change detection unit (120), the cleanliness judgment unit (130), the object recognition unit (140), and the artificial intelligence model (150) may be stored in memory (102) in the form of software, or implemented in memory (102) in the form of hardware such as logic.

[0052] The modeling unit (110) has the function of creating a virtual residential space online that resembles a real residential space. Additionally, the modeling unit (110) may be configured to update the virtual residential space so that changes in state are reflected in the virtual residential space.

[0053] The state change detection unit (120) has the function of detecting state changes occurring in the actual residential space. For example, the state change detection unit (120) has the function of detecting changes in the actual residential space after the actual residential space is initially modeled, such as changes in the cleanliness state, and changes in the cleanliness state caused by the rearrangement of household items and interior items.

[0054] The cleanliness judgment unit (130) has the function of evaluating the cleanliness of the virtual living space based on changes in the state of the real living space. The cleanliness can be evaluated through productive activities, such as whether cleaning activities are performed, and whether household items and interior items are removed or rearranged. Naturally occurring contamination in the real living space, such as contamination caused by dust, can be modeled in the virtual living space through an increase in the contamination level over time via automatic settings.

[0055] In addition, the object recognition unit (140) and the artificial intelligence model (150) assist the modeling unit (110) and the state change detection unit (120) in recognizing the real residential space and interior items such as furniture placed therein. In particular, the artificial intelligence model (150), which is trained through object recognition training using a dataset, has the function of recognizing the real residential space using an artificial intelligence algorithm, for example, a CNN (convolutional neural network) artificial neural network.

[0056] FIG. 3 is an example of a real residential space according to one embodiment of the present invention.

[0057] Referring to FIG. 3, a real residential space in which a user actually resides is depicted. The real residential space is filmed through a camera device (200) installed in the real residential space, such as a CCTV camera, and a virtual residential space can be modeled in a virtual space based on the filmed video information.

[0058] FIG. 4 is an example of a virtual residential space according to one embodiment of the present invention.

[0059] Referring to Fig. 4, a virtual residential space modeled based on image information regarding a real residential space is depicted. The virtual residential space is a 3D-based model created in a virtual space and can be modeled to resemble the real residential space as closely as possible. In particular, just as a real residential space is naturally contaminated by dust, the virtual residential space may undergo changes in its modeling over time through settings such as the rearrangement of dust and props. In other words, the contamination state of reality can be reflected in the virtual residential space.

[0060] Below, a virtual reality-based residential space management method (S100) executed by a virtual reality-based residential space management device (100) will be described.

[0061] FIG. 5 is a flowchart of a virtual reality-based residential space management method according to one embodiment of the present invention.

[0062] Referring to FIG. 5, a virtual reality-based residential space management method (S100) according to one embodiment of the present invention may be configured to include the steps of creating a virtual residential space online (S110), recommending productive activities (S121), selling a kit necessary for productive activities (S122), updating the virtual residential space (S130), and determining the cleanliness of the virtual residential space (S150).

[0063] The residential space management device (100) can create a virtual residential space online that resembles a real residential space (S110).

[0064] Next, the residential space management device (100) can update the virtual residential space so that changes in the state occurring in the actual residential space are reflected in the virtual residential space (S130).

[0065] Next, the residential space management device (100) can evaluate the cleanliness of the virtual residential space based on the change in the state of the actual residential space (S150).

[0066] Referring again to FIG. 5, the residential space management device (100) may be configured to include a step of recommending productive activities (S121) and a step of selling kits necessary for productive activities.

[0067] The residential space management device (100) can recommend the above-mentioned productive activities required in the virtual residential space (S121). The user can manage the cleanliness of the virtual residential space, which changes in conjunction with the real residential space, while managing the real residential space in reality. The productive activities refer to cleaning activities that can increase the cleanliness of the virtual residential space.

[0068] The residential space management device (100) can recommend cleaning activities, etc., to the user according to the user's tendencies. Therefore, the user can manage the cleanliness and interior of the residential space that changes in conjunction with the actual residential space simply by completing the tasks of the recommended productive activities.

[0069] The residential space management device (100) can sell kits necessary for productive activities. A kit necessary for productive activities may mean cleaning tools necessary for productive activities, for example, cleaning activities. In addition, the kit may include interior accessories that can change the interior of a real residential space, such as picture frames and vases.

[0070] The sale of kits can be associated with paid productive activities. That is, if a user pays to purchase a cleaning tool kit, they can perform productive activities using the tool, and in such cases, they can obtain higher rewards compared to free productive activities.

[0071] FIG. 6 is a flowchart of a virtual reality-based residential space management method according to one embodiment of the present invention.

[0072] Referring to FIG. 6, the step of creating a virtual residential space online (S100) may be configured to include the step of collecting video information of a real residential space (S111), the step of analyzing the video information (S112), and the step of modeling the virtual residential space using the results of the analysis of the video information (S113).

[0073] FIG. 7 is a flowchart of a virtual reality-based residential space management method according to one embodiment of the present invention.

[0074] Referring to FIG. 7, the step of updating the virtual residential space (S130) may be configured to include the step of collecting state change information of the real residential space (S131), the step of analyzing state change information (S132), and the step of synchronizing the virtual residential space with the real residential space (S133).

[0075] The residential space management device (100) can collect state change information through changes in the location of living items in the actual residential space, changes in the interior, and productive activities of the user occurring in the actual residential space (S131). Here, living items may be various appliances used by the user while living, such as a hair dryer, a trash can, and tableware. Changes in the interior may include changes in the arrangement of furniture compared to the initial modeling of the actual residential space. Productive activities refer to activities that can improve the cleanliness of the virtual residential space based on the actual residential space.

[0076] The step of analyzing state change information (S132) may be configured to include the step of monitoring the aforementioned productive and non-productive activities occurring in the actual residential space. Monitoring of productive activities corresponding to actions that increase the cleanliness of the actual residential space, and non-productive activities corresponding to actions that decrease the cleanliness, may be carried out through the collection of video information.

[0077] The step of synchronizing the virtual living space (S133) may be configured to include a step of modifying the modeling of the virtual living space according to the presence or absence of productive and non-productive activities to reflect the cleanliness status of the actual living space. Examples of productive activities may include cleaning, and examples of non-productive activities may include moving interior props, leaving clothes unattended, leaving trash, dishes unwashed, etc. Through changes in the cleanliness status of the actual living space, the deteriorated cleanliness status may be reflected in the virtual living space as well.

[0078] FIG. 8 is a flowchart of a virtual reality-based residential space management method according to one embodiment of the present invention.

[0079] Referring to FIG. 8, the step (S150) of evaluating the cleanliness of the virtual living space may be configured to include the step (S151) of certifying a change in the state of the real living space and the step (S152) of providing a reward to the user of the real living space.

[0080] The residential space management device (100) can verify changes in the state of the actual residential space (S151). Verification of changes in the state can be based on image information collected through a camera (161) installed in the actual residential space, for example, the rearrangement of interior props, cleaning activities of the user, etc.

[0081] The residential space management device (100) can provide rewards to the user of the actual residential space according to certification (S152). The user may receive rewards differentially depending on the productive activities performed by the user and related activities.

[0082] Here, productive activity may include cleaning activities performed by the user in the actual living space or activities of decorating the actual living space using interior props.

[0083] FIG. 9 is an example diagram of a screen displayed by a virtual reality-based residential space management device according to one embodiment of the present invention.

[0084] Referring to FIG. 9, a user interface (UI) screen displayed by the residential space management device (100) is depicted. A program capable of executing the residential space management method (S100) may be installed on the residential space management device (100). For example, a user may install an application capable of executing the residential space management method (S100) on a user terminal such as a cellular phone or tablet, and connect to the residential space management server (300) to use the residential space management service. The application used for connection may be dedicated software or a web browser.

[0085] Referring again to FIG. 9, the user's connection ID (turnaround) is displayed, and the user's level (Lev. 1) may be displayed. The user can increase their level by performing productive activities related to residential space management, namely missions, in the virtual space. The broom icon shown in FIG. 9 is a reward that can be obtained when the user performs productive activities according to the residential space management method, such as making a claim, and can increase the cleanliness of the virtual residential space by linking it to the real residential space. The cleanliness (smile icon) can be determined in the form of a score based on the cleaning status, interior, props, etc. of the real residential space.

[0086] The residential space management device (100) can display a virtual residential space created by the user based on a real residential space through modeling, and the user, stimulated by entertainment elements such as the fun of a game, can manage the real residential space through the residential space management device (100).

[0087] Other rewards may include interior items and virtual goods. Various types of rewards may be provided to users based on the various activities they perform in the virtual space, such as writing text reviews for purchased kits or writing reviews that include videos. Interior items refer to virtual props that can be placed in a virtual living space, such as vases or picture frames.

[0088] FIG. 10 is an example diagram of a screen displayed by a virtual reality-based residential space management device according to one embodiment of the present invention.

[0089] Referring to FIG. 10, examples of productive activities handled in a residential space management method (S100) according to an embodiment of the present invention are depicted. Productive activities may include free activities and paid activities (KIT). Free activities may include cleaning activities such as washing dishes. Paid activities correspond to activities related to purchasing a kit. For example, a user may purchase an interior prop or cleaning tool in the form of a kit online through a residential space management device (100), and may perform productive activities using the purchased kit, such as cleaning activities using the kit or interior decoration activities using the interior prop.

[0090] If a user purchases interior props in the form of a kit, a corresponding interior item may be provided to the user as a reward. Therefore, when interior props are placed in a real-world living space, interior items can be placed in a virtual living space in conjunction with them.

[0091] As such, according to one embodiment of the present invention, an element of fun can be combined with the work of cultivating the environment of a virtual living space, which changes in conjunction with the environment of a real living space, through productive activities.

[0092] In addition, the virtual space can be updated by linking it to the real space.

[0093] In addition, real-world space can be managed through virtual space, and virtual space can be linked to a market for items necessary to manage real-world space.

[0094] Although various preferred embodiments of the present invention have been described above with some examples, the descriptions of various embodiments described in the "Specific details for carrying out the invention" section are merely illustrative, and those skilled in the art to which the present invention pertains will understand that the present invention can be modified in various ways or equivalent embodiments can be carried out based on the above description.

[0095] In addition, since the present invention can be implemented in various other forms, the present invention is not limited by the description above. The above description is provided merely to make the disclosure of the present invention complete and to fully inform those skilled in the art of the scope of the present invention, and it should be understood that the present invention is defined only by each claim of the claims. Explanation of the symbols

[0096] 100: Virtual reality-based residential space management device and method 110: Modeling section 120: State change detection unit 130: Cleanliness Judgment Unit 140: Object recognition unit 150: Artificial intelligence model 200: Camera device 300: Residential Space Management Server 500: Network

Claims

Claim 1 A method for managing a virtual reality-based residential space, performed by a virtual reality-based residential space management device, comprising: a step of creating a virtual residential space online that resembles a real residential space; a step of updating the virtual residential space so that state changes occurring in the real residential space are reflected in the virtual residential space; and a step of evaluating the cleanliness of the virtual residential space based on state changes in the real residential space, wherein the step of updating the virtual residential space comprises: a step of collecting state change information through changes in the location of living items in the real residential space, changes in interior design, and productive activities of a user occurring in the real residential space; a step of analyzing the state change information; and a step of synchronizing the virtual residential space with the real residential space in a changed state using the analysis results of the state change information, wherein the step of synchronizing the virtual residential space comprises a step of modifying the modeling of the virtual residential space according to the presence or absence of productive and non-productive activities to reflect the cleanliness of the real residential space. Claim 2 A virtual reality-based residential space management method according to claim 1, wherein the step of creating the virtual residential space online comprises: a step of collecting image information captured of the real residential space; a step of analyzing the image information; and a step of modeling the virtual residential space using the analysis result of the image information. Claim 3 delete Claim 4 A virtual reality-based residential space management method according to claim 1, wherein the step of analyzing state change information is configured to include the step of monitoring the productive and non-productive activities occurring in the actual residential space. Claim 5 delete Claim 6 A virtual reality-based residential space management method according to claim 1, further comprising the step of recommending the productive activities required in the virtual residential space. Claim 7 A virtual reality-based residential space management method according to claim 1, further comprising the step of selling a kit necessary for the productive activity. Claim 8 A virtual reality-based residential space management method according to claim 1, wherein the step of evaluating the cleanliness of the virtual residential space comprises: a step of certifying the state change of the real residential space; and a step of providing a reward to the user of the real residential space according to the certification. Claim 9 A virtual reality-based residential space management device comprising: a modeling unit that generates a virtual residential space online that resembles a real residential space; a state change detection unit that detects state changes occurring in the real residential space; and a cleanliness judgment unit that evaluates the cleanliness of the virtual residential space based on state changes in the real residential space, wherein the modeling unit is configured to update the virtual residential space so that the state changes are reflected in the virtual residential space by modifying the modeling of the virtual residential space according to the presence or absence of productive and non-productive activities to reflect the cleanliness state of the real residential space.

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