EP2290628A1 - Procédé de vidéosurveillance de pièces - Google Patents

Procédé de vidéosurveillance de pièces Download PDF

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Publication number
EP2290628A1
EP2290628A1 EP09010860A EP09010860A EP2290628A1 EP 2290628 A1 EP2290628 A1 EP 2290628A1 EP 09010860 A EP09010860 A EP 09010860A EP 09010860 A EP09010860 A EP 09010860A EP 2290628 A1 EP2290628 A1 EP 2290628A1
Authority
EP
European Patent Office
Prior art keywords
images
camera
recorded
operator
monitoring device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP09010860A
Other languages
German (de)
English (en)
Other versions
EP2290628B1 (fr
Inventor
Peter Ernst
Robert Ochsenschläger
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Aldi Sued Dienstleistungs GmbH and Co OHG
Original Assignee
Aldi Einkauf GmbH and Co OHG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Aldi Einkauf GmbH and Co OHG filed Critical Aldi Einkauf GmbH and Co OHG
Priority to EP09010860.6A priority Critical patent/EP2290628B1/fr
Priority to AU2010212404A priority patent/AU2010212404A1/en
Publication of EP2290628A1 publication Critical patent/EP2290628A1/fr
Application granted granted Critical
Publication of EP2290628B1 publication Critical patent/EP2290628B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
    • G08B13/189—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems
    • G08B13/194—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems
    • G08B13/196—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems using television cameras
    • G08B13/19665—Details related to the storage of video surveillance data
    • G08B13/19671—Addition of non-video data, i.e. metadata, to video stream
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
    • G08B13/189—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems
    • G08B13/194—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems
    • G08B13/196—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems using television cameras
    • G08B13/19665—Details related to the storage of video surveillance data
    • G08B13/19669—Event triggers storage or change of storage policy
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
    • G08B13/189—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems
    • G08B13/194—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems
    • G08B13/196—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems using television cameras
    • G08B13/19678—User interface
    • G08B13/19686—Interfaces masking personal details for privacy, e.g. blurring faces, vehicle license plates

Definitions

  • the invention relates to a method for video surveillance of rooms, in particular of business premises such as retail premises, storage rooms, gas stations, etc., after which images are taken by at least one camera and inspected by an authorized operator.
  • Such a method is used, for example, in DE 203 16 299 U1 presented. This is about a system for remote video surveillance.
  • a guard can, for example, log in and out via login / logout in so-called watch rings.
  • DE 699 33 144 T2 deals with a method of detecting motion in a video using a pixel difference counter.
  • a difference value is determined by comparing a value of the pixel of the first incoming video frame with a value of a corresponding pixel of a reference frame.
  • the invention is based on the technical problem of further developing such a method for video surveillance of rooms so that the individual recorded images can be made accessible to different operators.
  • a generic method for video surveillance of rooms in the context of the invention is characterized in that different hierarchical access rights to the images for selected operators are defined.
  • different hierarchical access rights to the images are initially defined.
  • the invention that, depending on the hierarchical access right, for example, all recorded images or only a part of these images are accessible.
  • different hierarchy levels are defined.
  • the highest hierarchy level may correspond to the situation that all images are accessible to a selected operator who belongs to this hierarchy level. For example, in a hierarchy level below, only captured images of a particular time period may be accessible to a selected operator with the particular hierarchy level.
  • a lower hierarchical level that when using multiple cameras, for example, only images of a single selected camera can be viewed by the associated selected operator of this lower hierarchical level.
  • the different hierarchical access rights to the images or the associated hierarchy level thus determines which subset of the associated one Monitoring device for video surveillance of rooms taken total pictures taken by the respectively selected operator, so the owner of the hierarchy level, considered and optionally evaluated. For this purpose, it is provided that the selected operator logs on to an authorization query unit.
  • This authorization query unit is part of the monitoring device. Depending on an identification code transmitted by the operator to the authorization query unit, the associated operator is then assigned its associated hierarchical access right.
  • the identification code can be any conceivable identification means which serves or may serve to authenticate the selected operator.
  • the identification code may be formed as a number / letter combination.
  • An employee card, a fingerprint, an eye iris scan, etc. are also conceivable.
  • the selected operator is uniquely identified by means of the identification code on the authorization request unit.
  • associated reference codes of the authorized users are stored in the authorization query unit.
  • the reference code stored in the authorization query unit now includes a specific hierarchical access right or a specific hierarchy level that has been previously defined for the relevant operator.
  • this identification code is compared with the reference code. If it matches, the selected operator receives the hierarchical access right associated with the reference code and / or is assigned the associated hierarchy level. As a consequence, the selected operator can then access the images of the monitoring device which correspond to his hierarchical level correspond. It is of course possible that a selected operator has access not only to one but also to several hierarchy levels. In addition, the hierarchical access right of course can change. This ultimately depends on which hierarchical access right is linked to the reference code for the selected operator.
  • the local store manager can evaluate (at least in real time) and also evaluate (assess) the at least one camera or the several cameras with regard to images taken there on a daily basis.
  • the manager of the store manager for example, the regional sales manager, not only can evaluate the daily updated images taken, but also images from the past.
  • the images taken by the camera can be stored in a memory unit and are available as stored images for selection by the selected operator.
  • the images taken by the camera can of course also be examined directly and in real time by the selected operator.
  • the store manager can inspect the pictures taken on a daily basis, whereas his superior regional sales manager can additionally review the pictures taken in the past within a specified time period, for example ten days.
  • This can be controlled by appropriate hierarchical levels or hierarchical access rights to the images that are flanked by the respective reference codes, on the one hand for the selected operator branch manager and on the other hand the selected operator regional sales manager.
  • a so-called supervisor or a higher-level body can be defined as a selected operator.
  • the recorded images can be transmitted remotely to the respective selected operator, for example via a data line, wireless, etc.
  • access to the images may take place locally at the store operator's place of business.
  • a specific hierarchical access right or a corresponding hierarchy level is defined, which belongs to a reference code of said supervisor.
  • This filter can be a removable filter, called a privacy filter.
  • a filter is implemented by software technology and does not allow the identification of individual persons or makes them appear unrecognizable.
  • filters can be switched on and off.
  • the switched-off state can, for example, be implemented by data protectors or other selected operators in order to nevertheless be able to identify the persons in question.
  • a filter can also be realized by separate recording tracks within the camera. In this case, a recording track is suitable for identifying the individual persons and does not use such a filter.
  • the relevant one record track can only be read by a data protector or another authorized person.
  • the other recording track works with the filter and is used for the activities to be described below.
  • the filter in question which does not allow the identification of individual persons or privacy filters are usually used to protect the privacy rights of the recorded persons or their privacy.
  • this filter can now be switched on and off, depending on the hierarchical access right. there In most cases this will be done in such a way that the filter can not generally be switched off, but only for the purpose of prosecution.
  • the security service the police or any other (public prosecutor) investigation authority is equipped with a hierarchical access right to the images, which turns off the aforementioned filter.
  • the images can also be traced back to the archetype in terms of any changes made between the original image and the viewing image.
  • the recorded images can be filtered, for example, with regard to a viewing angle of the camera.
  • a flanking additional signal to the images can be used as a filter criterion.
  • This flanking additional signal may be an alarm signal, a door signal, etc.
  • the additional signal can come from a supplementary alarm system, so that the flanked with the relevant additional signal images reflect exactly this alarm situation.
  • the recorded images can be filtered with respect to a movement pattern in the images and according to the access right.
  • situations can be mastered, in which, for example, a recorded person to be recognized with the help of the camera and in the images reveals an unusual pattern of movement.
  • a movement pattern is present, for example, when the person concerned is looking to leave a shop or the business premises through an entrance or an emergency exit.
  • this movement pattern is flanked by an additional alarm, so that the recorded images have the additional supplementary signal.
  • the recorded images can be filtered out of the total number according to a variety of different criteria.
  • the captured images may be, for example, in terms of a viewing angle of the camera and / or a filter for the images and / or a storage time of the images and / or a flanking additional signal and / or a movement pattern in the images are filtered. That may happen depending on the access right.
  • the recorded pictures may include further additional information.
  • This additional information may include the location, date, time, camera data, security features, etc.
  • the receiving camera can be identified in the respective image.
  • the security features ensure that the captured images can not be manipulated.
  • the security features are advantageously digital information which is inseparably incorporated into digital image data of the images.
  • security features are also referred to as watermarks. Due to the additional information in the images, the recorded images can be scoured, taking into account various search functions. For example, only the images made by a particular camera can be filtered out. Or the images that belong to a specific location or a defined time.
  • the invention opens up the possibility of being able to subject the recorded images to motion detection and / or motion tracking.
  • movement patterns of, for example, individuals can be detected and / or checked.
  • Such motion detection and / or motion tracking is used, for example, to track theft attempts or actual thefts via several cameras placed in the shop, and thus to obtain a comprehensive picture of the possible offense.
  • the movement tracking respectively Motion detection can in principle be performed using a pixel difference counter, as in the introductory already referenced DE 699 35144 T2 will be described in detail.
  • the invention proposes that the one or more cameras only take pictures and transfer them to the storage unit if certain conditions are fulfilled. These conditions may be the date, the time of day, an alarm signal, a particular movement pattern of an observed person, etc. That is, the images taken by the associated camera are stored only if an additional condition or signal is observed. In this way, the existing storage capacity of a storage device can be optimally utilized, for example in the event that the respective business premises are closed for a longer period of time and must be monitored.
  • the invention makes it possible that the recorded images - after any removal or after switching off the privacy filter - can be used for personal identification.
  • the images available in this way may be compared with stored reference images.
  • This person identification can be used, among other things, as access control or access control. That is to say, the monitoring device is capable of recognizing, for example, employees of the business premises or of the associated company on the basis of their reference images stored, inter alia, in the memory device and by comparison with the images recorded, for example, in the entrance area.
  • These images are usually the archetypes, ie the images that have been taken directly by the camera and have not yet undergone any (software-related) possible change in the sense of a viewing image.
  • the individual employees can be identified automatically and can also be divided into authorization groups. In this case, access to certain rooms may be granted or denied depending on the entrance thus monitored. New users or even employees can be easily defined by defining the respective access right and the corresponding stored reference image in the storage device.
  • the invention makes it possible to evaluate the recorded images in terms of deviating from the normal image optical signals.
  • deviating optical signals may, for example, be smoke, fire, etc.
  • the normal image generally represents the image averaged over a multiplicity of previously recorded images, against which such deviating optical signals can be recognized.
  • the images in question are recorded during shop closing times, so that the normal picture represents an averaged still picture.
  • a method for video surveillance of rooms and an associated monitoring device are described. These are characterized in that the total recorded by the monitoring device Pictures from different operators can be viewed and evaluated. Access to a subset or all of these images is controlled using different hierarchical access rights, taking into account the particular operator selected. That is, each operator is equipped with its own hierarchical access right, which regulates access to a previously defined subset of the entire images.
  • the monitoring device can advantageously be used for access control and also access control of the employees or authorized persons to the thus monitored business premises.
  • the tracking of the movement allows any attempted or actual offenses to be fully documented.
  • the monitoring device can be used in total for object monitoring, for example in the sense of fire protection. Because the recorded images can be evaluated in terms of deviating optical signals. That may happen automatically and software technically. As soon as such a deviating optical signal occurs, an alarm can be triggered and / or, for example, a security service receive a corresponding alarm message.
  • the monitoring device In addition to the motion detection or the use of the monitoring device according to the invention as at leastfusessmeider, it is also conceivable, especially during business hours, to check the goods located in the respective business premises in terms of their consistency.
  • the one or more cameras of the monitoring device can check the temperature of individual objects. Such a temperature check is also conceivable in order to detect any smoke developments or fires.
  • a check of cashiers is possible. For example, in such a way that the individual bookings made there are compared with the actual bookings from the accounting based on the information in the display and / or on printed documents.
  • a monitoring device is shown, by means of which a room 1 is subjected to video surveillance.
  • this room 1 is a business premises 1, in the example a retail bar. It can be seen in the business premises or retail premises 1 different shelves 2 and several cashiers 3.
  • several cameras 4, 5 are provided.
  • the cameras 4 may be all-round cameras, while the cameras 5 are used to hold only a specific recording area. Of course this is not mandatory.
  • all-around cameras 4 With the help of all-around cameras 4, the interior of the business premises or the shop 1 is generally examined, whereas the cameras 5 targeted on the one hand, the individual cashiers 3 and on the other an input and output area 6 are directed. All cameras 4, 5 are connected to a memory device 7. This memory device 7 also acts as a control system 7, thus representing a combined control / memory device 7. An authorization interrogation unit 8 is connected to the control / memory device 7. To the authorization query unit 8 different evaluation stations 9 are connected.
  • the operator B transmits his identification code to the authorization query unit 8.
  • this identification code is compared with a reference code stored there.
  • the reference code includes a hierarchical access right or a hierarchy level H 1 , H 2 , as they are exemplary and in principle in the FIG. 2 is shown.
  • the selected operator is granted access to a subset of the total pictures F 1 to F i taken with the aid of the cameras 4, 5.
  • the cameras 4, 5 record a plurality of images F 1 to F l , which can be viewed either directly and in real time by the respectively selected operator B or only after their storage in the control / storage device 7 will be subjected to a closer analysis.
  • the images taken by the cameras 4, 5 connected to the control / storage device 7 represent the so-called archetypes. These archetypes are either all or only selected cameras 4, 5 and / or the control / storage device 7 software changed.
  • the archetypes recorded by the all-around cameras 4 do not undergo any change, because the persons thus taken in are sufficiently protected by the distance to the respective camera 4 with respect to their privacy.
  • the images taken by the cameras 5 in the immediate vicinity of the respective cashiers 3 or the input / output area 6 undergo a software-related change. With the help of this change, the faces of the recorded persons are blurred to protect their privacy. In this way the archetypes are transformed into viewing images.
  • software works with a so-called privacy filter, as it has already been described in the introduction.
  • All recorded images F 1 to F l in the control / storage device 7 are there in principle, as the FIG. 2 only partially and only as an example suggests.
  • the individual images F 1 to F i may each be present in the memory as digital files or digital files F 1 to F i .
  • the recorded images F 1 to F i are located in different memory areas.
  • the images F 1 to F i can be sorted according to the associated camera 4, 5, which is responsible for their recording.
  • the different hierarchical access rights or hierarchy levels H 1 and H 2 now correspond, for example, to the fact that the hierarchical access right H 1 can be used to access all the images F 1 to F l recorded by the camera 4 in the period from day 1 to day 10 Has.
  • the access right H 2 or the hierarchy H 2 allows access to the recorded images F 1 to F i of the camera 4 only on day 1.
  • the associated and recorded images F 1 to F i released for viewing and transmitted from the control / storage device 7 to the evaluation station 9.
  • the respective images F 1 to F i are copies because, as far as the memory content of the control / memory device 7 is not changed and should not be changed. It is understood that the total existing in the control / storage device 7 images can be archived in terms of tumbling, for example, on DVDs or other storage media.
  • the hierarchy level H 1 , H 2 of the selected operator B associated images F 1 to F i transferred to the evaluation station 9 as described.
  • the selected operator B can now view and evaluate the images F 1 to F i corresponding to his hierarchy level H 1 , H 2 .
  • a manager of the retail store 1 as a selected operator B can examine the images F 1 to F i recorded by the individual cameras 4, 5 directly and in real time.
  • any irregularities in business operations can be immediately recognized and flanking measures taken.
  • the recorded images F 1 to F i can now also be examined by another selected operator B, for example a regional sales manager, or also by investigators for prosecution.
  • the latter have for this purpose, for example, a hierarchical access right H 1 , H 2 , which allows them access to the original images of all cameras 4, 5.
  • the software-related changes between the original image and the viewing image of the images F 1 to F i taken at the cameras 4, 5 can be reversed or switched off by the investigator in question in this case.
  • the hierarchical access right H 1 , H 2 allows the previously mentioned privacy filter to be removed.
  • an access control can be accomplished with the aid of the monitoring device.
  • the control / storage device 7 interacts with an access control device 10, which is assigned to the input / output area 6.
  • This access control device 10 grants only authorized operators B or general persons access to the shop 1, for example, outside the shop opening hours.
  • the camera 5 assigned to the input / output area 6 is used to identify the respectively entering or accessing person on the basis of (reference) images stored in the control / storage device 7.
  • control / storage device 7 is coupled or equipped with an integrated movement tracking device.
  • movement patterns of individual persons can be detected and / or checked.
  • abnormal movement patterns are particularly important, for example such that a person tries to leave the retail outlet 1 via the entrance of the entry / exit area 6.
  • control / storage device 7 is connected to an alarm device 11.
  • This alarm device 11 is acted upon by the control / storage device 7, for example, when one of the cameras 4, 5 shows a different optical signal, as has already been described in the introduction.
  • This deviating optical signal may be, for example, smoke, fire, etc.
  • an abnormal movement pattern of a person within the retail premises 1 may also correspond to an action of the alarm device 11.
  • the FIG. 2 makes it finally clear that the individual recorded images F 1 to F l are flanked with additional information 12.
  • This additional information 12 may be the recording location, the recording date, the recording time, etc.
  • the additional information includes 12 as a rule also the associated camera 4, 5 or their camera number, with the help of which each recorded image F 1 to F l was obtained.
  • the additional information 12 may be security features. These security features represent digital information that is inseparably incorporated into the digital image data of the captured images, similar to a watermark. In this way it is ensured that the recorded images F 1 to F i in the control / storage device 7 can not be subsequently manipulated.
  • the individual images F 1 to F i can also be used for the quick representation of individual customers. That is to say, a customer or generally a person identified on the respective image F 1 to F l can be combined on the basis of his presentation or his appearance with, for example, a video sequence recorded beforehand or subsequently. That is, after identification of the person concerned can be pointed to a video sequence in which the person concerned is also shown. This is again ensured by the control / storage device 7, which undertakes a corresponding image comparison between the person in question and the individual persons represented in the video sequences. Based on the image comparison can then be the image of the customer or the general Peron associated with the associated video sequence.
  • an operator or, more precisely, a data protector is likewise equipped with a hierarchical access right H 1 , H 2, for example for prosecution.
  • This data protector or investigator for prosecution may receive the access right H 1 , H 2 in question just before access.
  • the interpretation can be made such that the hierarchical access right H 1 , H 2 in question is transmitted to the authorized operator by an external transmitting unit, for example a pager or the like. This is generally true for all operators. This allows access rights H 1 , H 2 as needed change centrally and as often as you like.
  • each operator can also be equipped with a password or a comparable key code.
  • This key code or the password may also be stored in the control / storage device 7.
  • a change of the password or key code is also possible with the transmitting unit or the pager. This ensures that only users in the possession of the password or the key codes of the applicable hierarchy level H 1 , H 2 can actually access the data or the images or digital files F 1 to F i .

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Library & Information Science (AREA)
  • Human Computer Interaction (AREA)
  • Closed-Circuit Television Systems (AREA)
  • Alarm Systems (AREA)
EP09010860.6A 2009-08-25 2009-08-25 Procédé de vidéosurveillance de pièces Not-in-force EP2290628B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP09010860.6A EP2290628B1 (fr) 2009-08-25 2009-08-25 Procédé de vidéosurveillance de pièces
AU2010212404A AU2010212404A1 (en) 2009-08-25 2010-08-17 Method for video surveillance of premises

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Application Number Priority Date Filing Date Title
EP09010860.6A EP2290628B1 (fr) 2009-08-25 2009-08-25 Procédé de vidéosurveillance de pièces

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EP2290628A1 true EP2290628A1 (fr) 2011-03-02
EP2290628B1 EP2290628B1 (fr) 2017-03-08

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CN112002036A (zh) * 2019-05-08 2020-11-27 杭州萤石软件有限公司 基于传感器和智能锁联动的管理房间的方法和系统
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EP2372910A1 (fr) 2001-03-23 2011-10-05 Murata Manufacturing Co. Ltd. Dispositif à ondes acoustiques de surface et unité de communication
US10592944B2 (en) 2011-06-06 2020-03-17 Ncr Corporation Notification system and methods for use in retail environments
US10853856B2 (en) 2011-06-06 2020-12-01 Ncr Corporation Notification system and methods for use in retail environments
WO2013003635A1 (fr) 2011-06-28 2013-01-03 Stoplift, Inc. Traitement d'image pour empêcher un accès à des informations privées
EP2727328A4 (fr) * 2011-06-28 2015-06-17 Stoplift Inc Traitement d'image pour empêcher un accès à des informations privées
US9892438B1 (en) 2012-05-03 2018-02-13 Stoplift, Inc. Notification system and methods for use in retail environments
CN112002036A (zh) * 2019-05-08 2020-11-27 杭州萤石软件有限公司 基于传感器和智能锁联动的管理房间的方法和系统
CN110262266A (zh) * 2019-06-28 2019-09-20 广东美的制冷设备有限公司 家电设备的控制方法、家电设备、移动终端及存储介质
EP3961588A1 (fr) * 2020-09-01 2022-03-02 Yokogawa Electric Corporation Appareil, système, procédé et programme permettant d'accéder des données d'image stockées
US11972648B2 (en) 2020-09-01 2024-04-30 Yokogawa Electric Corporation Apparatus, system, method and storage medium

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