KR100891463B1 - Apparatus and method for ambient service with ubiquitous and system using that - Google Patents

Abstract

The present invention relates to an ubiquitous environment-based ambient service device, a method thereof, and a system using the same, and more particularly, to identify a user from RFID tag information, to measure a user's location and distance from the user. Ambient service device based on ubiquitous environment to provide emotional stability and peace by using rearrangement based on the measured distance and rearrangement of images corresponding to the user's location and output We want to provide a system.

To this end, the present invention, the ambient service device, the image storage means for storing the image corresponding to the proximity for each user; User identification means for identifying a user using the user identification information; Location and distance measuring means for measuring a location of the user and a distance from the user; Image processing means for rearranging and outputting an image corresponding to the proximity based on the position of the user; And setting the proximity according to the distance measured by the position and distance measuring means, and controlling the image processing means to rearrange and output the image of the image storage means corresponding to the proximity based on the position of the user. Control means.

Ubiquitous Environment, Ambient Service, User Location, Distance to User, Proximity, Image Relocation, RFID Tag

Description

Ambient service device based on ubiquitous environment and method and system using same {Apparatus and method for ambient service with ubiquitous and system using that}

The present invention relates to an ubiquitous environment-based ambient service device, a method thereof, and a system using the same, and more particularly, to identify a user from RFID tag information, to measure a user's location and distance from the user. Ambient service device based on ubiquitous environment to provide emotional stability and peace by using rearrangement based on the measured distance and rearrangement of images corresponding to the user's location and output It's about the system.

The present invention is derived from the research conducted as part of the IT new growth engine core technology development project of the Ministry of Information and Communication and the Ministry of Information and Communication Research and Development. [Task Management No .: 2006-S-007-01, Title: Ubiquitous Health Care Module System ].

Recently, as various technologies for ubiquitous environment development have been developed, various technologies have been attempted to be combined at home.

There is a subject with a certain emotion, like a person, and there are various stimulating elements such as noise, landscape, and color corresponding to environmental elements. These factors induce a large and small inspiration in contact with the subject without knowing. The space where various factors affect the psychological state is called 'Ambient'.

In other words, Ambient refers to the harmony of people and media (image and sound) in everyday life spaces, inadvertently seeing photographs with old memories or passing music, and being deeply impressed with emotional stability and peace. In some cases, the ambient service is a service for providing such emotional stability and peace.

The present invention proposes such an ambient service.

Accordingly, the present invention identifies the user from the RFID tag information, measures the location of the user and the distance from the user, sets the proximity according to the measured distance, and then the image corresponding to the proximity based on the user's location By relocating and outputting, an object of the ubiquitous environment-based ambient service device and method and system using the same to provide emotional stability and peace is provided.

The objects of the present invention are not limited to the above-mentioned objects, and other objects and advantages of the present invention which are not mentioned above can be understood by the following description, and will be more clearly understood by the embodiments of the present invention. Also, it will be readily appreciated that the objects and advantages of the present invention may be realized by the means and combinations thereof indicated in the claims.

The apparatus of the present invention for achieving the above object, the ambient service device, the image storage means for storing the image corresponding to the proximity for each user; User identification means for identifying a user using the user identification information; Location and distance measuring means for measuring a location of the user and a distance from the user; Image processing means for rearranging and outputting an image corresponding to the proximity based on the position of the user; And setting the proximity according to the distance measured by the position and distance measuring means, and controlling the image processing means to rearrange and output the image of the image storage means corresponding to the proximity based on the position of the user. Control means.

On the other hand, the method of the present invention for achieving the above object, Ambient service method, comprising: identifying a user from the RFID tag information; A position and distance measuring step of measuring a position of the user and a distance from the user; Proximity setting step of setting the proximity according to the measured distance; And an image output step of rearranging and outputting an image corresponding to the set proximity to the user's position.

On the other hand, the system of the present invention for achieving the above object, The ambient service system, Image output means for outputting the image received from the ambient service means; Signal generation means located at both ends of the image output means for generating a signal used for calculating a user's position and distance; RFID storage means for storing RFID tag information used for user identification; RFID recognition means for recognizing the RFID storage means located on one side of the image output means and for transmitting the corresponding RFID tag information to the ambient service means; And storing an image corresponding to the proximity of each user, identifying the user by using the RFID tag information, setting a proximity according to the distance to the user, and then displaying an image corresponding to the proximity. The ambient service means for rearranging and outputting based on the position of.

The present invention continuously monitors the proximity of a user by being located at a specific place such as a house, and displays a predetermined screen on a frame or mirror-type screen output device when a specific user approaches a predetermined distance or less. In this case, the displayed image is an image configured in three dimensions in advance by a three-dimensional stereoscopic technique, and displays the image variously according to an angle viewed by the user.

The present invention as described above, the user is identified from the RFID tag information, the location of the user and the distance to the user, and after setting the proximity according to the measured distance and the image corresponding to the proximity to the user's location By rearranging and outputting the data as a reference, there is an effect that can provide emotional stability and peace.

In addition, the present invention is a service for the elderly in the ubiquitous environment, it is possible to display the information of the three-dimensional processed image and application applications.

In addition, the present invention can provide a friendly interface for outputting the elderly-friendly image and easy to use, it is possible to be familiar with a variety of content in the ubiquitous environment.

The above objects, features, and advantages will become more apparent from the detailed description given hereinafter with reference to the accompanying drawings, and accordingly, those skilled in the art to which the present invention pertains may share the technical idea of the present invention. It will be easy to implement. In addition, in describing the present invention, when it is determined that the detailed description of the known technology related to the present invention may unnecessarily obscure the gist of the present invention, the detailed description thereof will be omitted. Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a diagram illustrating an embodiment of an ambient service system based on a ubiquitous environment according to the present invention.

As shown in FIG. 1, the ubiquitous environment-based ambient service system for providing an ambient service to a user in a daily living space includes an image output unit for outputting an image received from the ambient service device 15. 11) an ultrasonic sensor positioned at both ends of the image output unit 11 to generate ultrasonic waves used for calculating a user's position (degree of left / right shift based on the image output unit) and a distance (distance with the image output unit) 12, the RFID tag 13 storing the RFID tag information used for user identification, located on one side of the image output device 11, the RFID tag 13 provided by the user is recognized and then the corresponding information is received. An RFID reader 14 for delivering to the ambient service device 15 and an image corresponding to the proximity of each user are stored, and the RFID tag information is used using the RFID tag information. After identifying the user, and set the proximity according to the distance to the user and the ambient service device 15 for rearranging and outputting the image corresponding to the proximity based on the location of the user.

Here, each of the image output unit 11, the ultrasonic sensor 12, and the RFID reader 14 is connected to the ambient service device 15 by wire or wirelessly to transmit / receive corresponding information. In this case, the screen output unit 11 includes a frame type display and a mirror type display.

In addition, the ambient service device 15 may rearrange the image based on the position of the user based on the proximity, as well as enlarge / reduce the image according to the proximity.

In the present invention, the ultrasonic sensor 12 is described as an example in order to measure the left / right biased degree based on the distance from the user and the image outputter 11, but an infrared sensor or the like operated in a similar manner may be used. have.

2 is a diagram illustrating an embodiment of an ambient service apparatus based on a ubiquitous environment according to the present invention.

As shown in FIG. 2, the ubiquitous environment-based ambient service apparatus according to the present invention includes RFID tag information from an image database 20 and an RFID reader 14 storing images corresponding to proximity to each user. The user identification unit 21 for identifying the user, the position and distance measuring unit 22 for measuring the position of the user and the distance from the user by using the ultrasonic waves generated by the ultrasonic sensor 12, An image processor 23 for rearranging and outputting a corresponding image based on the position of the user, and setting the proximity according to the distance measured by the position and distance measuring unit 22, and then image corresponding to the corresponding proximity. And a control unit 24 for controlling the image processing unit 23 to rearrange (output the image stored in the image database) based on the position of the user.

In addition, the ubiquitous environment-based ambient service device according to the present invention, when detecting a dangerous situation (for example, gas leakage, fire, etc.) in conjunction with the home network server, to inform the danger through the image output unit 11 It can also output video or alert you through an alarm output (not shown).

In addition, the ubiquitous environment-based ambient service apparatus according to the present invention may provide a pre-scheduled notification service.

Here, the position and distance measuring unit 22 generates ultrasonic waves at regular intervals through the ultrasonic sensor 12 to calculate the time taken for the sound waves to return and measure the distance with the user.

In addition, the controller 24 provides the ambient service with priority when the second user is recognized through the user identifier 21 while providing the ambient service to the first user. That is, priority information is stored in the RFID tag 13 provided by the user to provide the ambient service in the order of high priority.

Hereinafter, the position measuring process in the position and distance measuring unit 22 will be described with reference to FIG. 3.

As illustrated in FIG. 3, ultrasonic sensors 12 are provided at both ends of the image output unit 11.

(a) shows a case where the user is detected by both ends of the ultrasonic sensor 12, (b) shows a case where the user is detected only on one side (left) ultrasonic sensor 12, and (c) indicates that the user This is a case where only the other (right) ultrasonic sensor 12 is detected.

In this case, the distance from the image output unit 11 is calculated through the following [Equation 1].

That is, in the case of (a) (when the difference between the distances 1 and 2 is less than or equal to the threshold), the average of the distances detected by the two ultrasonic sensors 12 is calculated as the distance from the user, and the (b) and (c) In a case where the difference between the distances 1 and 2 exceeds the threshold, the short distance is calculated as the distance from the user. Here, Distance 1,2 refers to the distance detected by each of the two ultrasonic sensors.

In addition, in relation to the position measurement, the left / right bias is determined as left bias in the case of (b) and right bias in case of (C).

According to the measurement result, the controller 24 positions the object in the image to the center or left / right through the image processor 23. That is, in the case of (a), the object is placed in the center 31, in the case of (b), the object is in the left 32, and in the case of (c), the object is in the right 33. Here, a technique for extracting and relocating an object in a 3D image uses a generally known technique.

Hereinafter, the proximity setting process of the controller 24 will be described with reference to FIG. 4.

As shown in FIG. 4, the controller 24 sets at least one proximity degree according to the distance measured by the position and distance measurer 22.

For example, in the case of setting the proximity of the four steps, the interaction zone where the distance to the user is within 1m based on the image outputter 11, and the distance to the user above 1m and 3m based on the image outputter 11 Within the communication area within, the interest-inducing area within 5m of the distance from the user based on the image outputter 11, and the interest-inducing area with the distance from the user exceeding 5m based on the image outputter 11 do.

At this time, the interest-inducing zone displays a routine image so that the user can recognize and appreciate the existence of the ambient service. For example, a landscape photograph according to the season or an outdoor photograph according to time is preferable.

In addition, the interest-inducing zone outputs pictures or information of fields of interest to the user. For example, a family picture, a picture of a favorite entertainer, a friend picture, and the like are preferable.

In addition, the communication area outputs detailed information on the area of interest. For example, detailed information such as statistical information related to health is desirable.

In addition, in the interaction zone, a search service is provided so that a user may actively acquire desired information by using a touch screen in addition to viewing information.

The step-by-step output information for the above-mentioned four steps is just described, for example, and the level of the level according to proximity in the actual implementation and the content of the content provided according to the step may be variously configured according to the intention of the provider (user). Can be.

In addition, the content provided in each step is previously set in the image database 20 by the user before receiving the ambient service.

Meanwhile, the size of the image may be changed according to the proximity. That is, in the interaction zone, the image of the original size is output, but as the distance from the image outputter 11 increases, the image may be enlarged and output.

In this case, the distance on the screen with respect to the actual distance (Virtual Distance) is calculated through Equation 2 below. Here, the 'current distance' is an enlargement / reduction ratio of the actual size of the image displayed on the screen.

5 is an exemplary view of an image output in an emergency situation according to the present invention.

As shown in FIG. 5, a routine image 51 is normally displayed. However, when a notification situation or an emergency situation occurs, the ambient service device blinks an LED 53 attached to a specific portion of the image output unit 11 together with an image 52 representing the notification situation, thereby causing the user to indicate that the notification situation has occurred. Make it recognizable.

In addition, an alarm output device (not shown) may be provided to simultaneously output a notification image and a notification voice (alarm).

6 is an example of a three-dimensional image implementation process used in the present invention.

As shown in FIG. 6, the image includes a scene model 64 constituting the entire scene and a texture image 65 of objects displayed on the scene.

When the input image 61 is given, the vanishing line recognition step 62 finds the vanishing line that is a reference to the background perspective. When the disappearance line is recognized, the scene model 64 is configured by dividing the background model and the foreground model based on the disappearance line.

Meanwhile, the texture image 65 is composed of the background image and the foreground image by the step 63 of distinguishing the foreground object to be displayed in the foreground using the masking image. When the scene model and the texture image are determined, the 3D output image 67 is generated through the step 66 of selecting the position of the camera based on the vanishing line and the object and rendering each object. At this time, the images that are the target of the three-dimensional image configuration is limited to the image having a background including a person or an object and a vanishing line.

7 is an exemplary view of a three-dimensional image used in the present invention.

As shown in FIG. 7, (a) is an original image, (b) is a mask image, (c) is a background image, and each image is used to construct a background model and a foreground model. The background image forms a background model consisting of a 'rear' plane and a 'ground' plane based on the vanishing line information. In order to construct the background model, the projection matrix of OpenGL is inverted so that the two-dimensional image space can be projected in the three-dimensional space on the 'Rear' plane and the 'Ground' plane, each having a size of 1. Perform a reverse projection to texture the background model.

After the background model is constructed, the billboard image is composed of the foreground image. In this case, the mask image is separated into white by using an image editing tool to separate the mask area, which is the foreground object, from the original image. Do it. The foreground area of the separated mask image is built in the form of a rectangular billboard on the background model. The white part of the billboard is the texture of the foreground extracted from the original image, and the black part is made transparent.

FIG. 8 is a flowchart illustrating an ubiquitous environment-based ambient service method according to an embodiment of the present invention. Since specific embodiments have been described above, a brief description of the operational method will be provided herein.

First, the ubiquitous environment-based ambient service device identifies a user from RFID tag information (801).

The ubiquitous environment-based ambient service device measures the location of the user and the distance to the user (802).

Thereafter, the ambient service device based on the ubiquitous environment sets the proximity according to the measured distance (S803).

Subsequently, the ubiquitous environment-based ambient service device rearranges and outputs an image corresponding to the set proximity based on the location of the user (804).

In addition, the ubiquitous environment-based ambient service device detects a dangerous situation (for example, gas leakage, fire, etc.) in connection with a home network server, and outputs an alarm image or alarm through the video output unit 11. An output (not shown) can also sound a hazard.

On the other hand, the method of the present invention as described above can be written in a computer program. And the code and code segments constituting the program can be easily inferred by a computer programmer in the art. In addition, the written program is stored in a computer-readable recording medium (information storage medium), and read and executed by a computer to implement the method of the present invention. The recording medium may include any type of recording medium that can be read by a computer.

The present invention described above is capable of various substitutions, modifications, and changes without departing from the technical spirit of the present invention for those skilled in the art to which the present invention pertains. It is not limited by the drawings.

The present invention can be used for ubiquitous environment based ambient services.

1 is a configuration diagram of an embodiment of an ambient service system based on a ubiquitous environment according to the present invention;

2 is a diagram illustrating an embodiment of an ambient service apparatus based on a ubiquitous environment according to the present invention;

3 is a diagram illustrating an embodiment of a position (degree of measurement) measuring process according to the present invention;

4 is a diagram illustrating an embodiment of a proximity setting process according to the present invention;

5 is an exemplary view of an image output during an emergency according to the present invention;

6 is an example of a three-dimensional image implementation process used in the present invention,

7 is an exemplary view of a 3D image used in the present invention;

8 is a flowchart illustrating an embodiment of an ambient service method based on a ubiquitous environment according to the present invention.

* Explanation of symbols for the main parts of the drawings

11: image output device 12: ultrasonic sensor

13: RFID Tag 14: RFID Tag Reader

20: image database 21: user identification unit

22: position and distance measuring unit 23: image processing unit

24: control unit

Claims (14)

In the ambient service device, Image storage means for storing an image corresponding to the proximity to each user; User identification means for identifying a user using the user identification information; Location and distance measuring means for measuring a location of the user and a distance from the user; Image processing means for rearranging and outputting an image corresponding to the proximity based on the position of the user; And A control for controlling the image processing means to set the proximity according to the distance measured by the position and distance measuring means and then rearrange and output the image of the image storage means corresponding to the proximity based on the position of the user Way Ubiquitous environment-based ambient service device comprising a. The method of claim 1, The control means, And an ubiquitous environment based ambient service device, further comprising a function of controlling the image processing unit to reduce / enlarge and output an image of the image storage unit corresponding to the set proximity. The method according to claim 1 or 2, The position and distance measuring means, A ubiquitous environment based ambient service device, characterized in that the use of the ultrasonic sensor located at both ends of the image output unit to calculate the deviation degree and the distance to the image output unit based on the image output unit. The method of claim 3, wherein The control means, When the calculated distance exceeds the preset first threshold value, the area of interest induction is within the first threshold value, and when the distance exceeds the preset second threshold value, the area of interest is within the second threshold value. The ubiquitous environment-based ambient service apparatus, characterized in that the proximity is set to the communication zone when the third threshold value is exceeded, and to the interaction zone when the third threshold value is exceeded. The method of claim 3, wherein The control means, While providing the ambient service to the first user, when the second user is detected, the ambient service device based on the ubiquitous environment, characterized in that the ambient service is provided according to the priority information in the RFID tag. The method of claim 3, wherein The control means, The ubiquitous environment-based ambient service apparatus for controlling the image processing means to output an image informing the danger when detecting a dangerous situation in conjunction with a home network server. The method of claim 3, wherein The control means, Ubiquitous environment-based ambient service device, characterized in that when the dangerous situation is detected in conjunction with the home network server, the flashing LED and the alarm sound output to inform the dangerous situation. In the ambient service method, Identifying a user from the RFID tag information; A position and distance measuring step of measuring a position of the user and a distance from the user; Proximity setting step of setting the proximity according to the measured distance; And An image output step of rearranging and outputting an image corresponding to the set proximity to the user's position; Ubiquitous environment-based ambient service method comprising a. The method of claim 8, The image output step, Reducing and enlarging the rearranged image based on the position of the user according to the proximity; Ubiquitous environment-based ambient service method comprising more. The method according to claim 8 or 9, The position and distance measuring step, An ubiquitous environment-based ambient service method comprising calculating a bias level and a distance from the image output unit based on the image output unit using ultrasonic sensors positioned at both ends of the image output unit. The method of claim 10, The proximity setting step, When the calculated distance exceeds the preset first threshold value, the area of interest induction is within the first threshold value, and when the distance exceeds the preset second threshold value, the area of interest is within the second threshold value. The ubiquitous environment-based ambient service method, characterized in that the proximity is set to the communication zone when the third threshold value is exceeded, and to the interaction zone when the third threshold value is exceeded. In the ambient service system, Image output means for outputting the image received from the ambient service means; Signal generation means located at both ends of the image output means for generating a signal used for calculating a user's position and distance; RFID storage means for storing RFID tag information used for user identification; RFID recognition means for recognizing the RFID storage means located on one side of the image output means and for transmitting the corresponding RFID tag information to the ambient service means; And Stores an image corresponding to the proximity of each user, identifies the user by using the RFID tag information, sets the proximity according to the distance to the user, and then displays an image corresponding to the proximity of the user. The ambient service means for rearranging and outputting based on position Ubiquitous environment-based ambient service system comprising a. The method of claim 12, The video output means, Ambient service system based on ubiquitous environment including frame type display or mirror type display. The method according to claim 12 or 13, The ambient service means, Ambient service system based on the ubiquitous environment, characterized in that for outputting the image reduced / enlarged according to the set proximity.

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