KR100947336B1 - Method and System for providing video service based on keyword - Google Patents

Abstract

The present invention relates to a method and system for providing a keyword-based video service. The present invention comprises the steps of (a) receiving keyword information on a real-time image captured by the image providing terminal from a movable image providing terminal (b), receiving a real time image from the image providing terminal (b) and a keyword selected by a user (C) transmitting a real-time image received from at least one of the image providing terminals corresponding to the image using terminal. According to the present invention there is an advantage that can provide a variety of real-time video.

Keyword, live video, waiting for delivery, location, search, video evaluation

Description

Method and system for providing video service based on keyword

The present invention relates to a method and system for providing a keyword-based video service, and more particularly, to a method and system for providing a real-time video received from a mobile terminal.

Due to the development of network transmission technology and image processing technology such as video compression, video transmission service using mobile as well as video transmission through wired / wireless internet, digital broadcasting network and mobile communication network are being provided.

The videos provided through wired / wireless internet and digital broadcasting networks were videos such as movies and dramas, but recently, user-produced UCC videos have been provided.

In particular, in recent years, many users have a portable terminal (mobile communication terminal) capable of transmitting images and upload a photo or video of a celebrity such as a celebrity directly to a server in the street.

In the related art, all the images provided were recorded images, but gradually, many users demand real-time images rather than recorded images.

Thus, according to the prior art, a service for transmitting a real-time image to a user's mobile communication terminal using CCTV was provided.

However, since CCTV is fixedly installed, it only provides an image for a limited position where CCTV is installed, and there is a problem in that it cannot provide images at various locations.

In addition, a live camera may be used to provide a real-time video in a live broadcast format, but this only provides a video at a predetermined time, location, and direction. For example, even if the concert is provided live, it only shows the stage and there is a problem that can not provide images of various locations taken by the general user.

On the other hand, video call service is provided according to the development of mobile communication technology, but this is limited to a terminal connected to a call path, and thus there is a problem in that it cannot provide video service to various targets.

The present invention, in order to solve the above problems of the prior art, proposes a method and system for providing a keyword-based video service that can provide a user with a real-time video received from a mobile video providing terminal.

Another object of the present invention is to provide a method and system for providing a keyword-based video service that can provide a user with real-time video for various locations and targets while reducing network load.

Another object of the present invention is to provide a method and system for providing a keyword-based video service that can preferentially provide a real-time video with high reliability through evaluation of a real-time video.

In order to achieve the above object, according to a preferred embodiment of the present invention, in the method for providing a keyword-based video service, receiving the keyword information on the real-time video taken by the video providing terminal from a movable video providing terminal Step (a); (B) receiving a real-time image from the image providing terminal; And (c) transmitting the real-time image received from at least one of the image providing terminals corresponding to the keyword selected by the user to the image using terminal.

According to another aspect of the present invention, a method performed in a keyword server connected to an image providing server, the method comprising: receiving keyword information on a real-time image captured by the image providing terminal from a movable image providing terminal; (B) maintaining keyword information received from the plurality of video providing terminals; And (c) when a search request of the video using terminal is received, transmitting a search result of the video providing terminal corresponding to the keyword to the video using terminal, wherein the video providing server is selected by a user. Provided is a method for providing a keyword-based video service for transmitting a real-time video received from at least one of an image providing terminal corresponding to a keyword to an image using terminal.

According to another aspect of the invention there is provided a computer readable recording medium having recorded thereon a program for performing the above method.

According to another aspect of the present invention, a keyword-based video service providing system, when receiving the keyword information for the real-time video taken by the video providing terminal from a movable video providing terminal, when a search request from the video using terminal is received, A keyword server which transmits a search result of an image providing terminal corresponding to the keyword to the image using terminal; And an image providing server transmitting the real time image received from the selected image providing terminal through the search result to the image using terminal.

According to the present invention, since it provides a real-time image received from the movable image providing terminal has the advantage that can satisfy the various needs of the user.

Further, according to the present invention, since the real-time video is received only from the video providing terminal with the selection of the video using terminal, data traffic can be reduced.

Furthermore, according to the present invention, since information on a high reliability image providing terminal is preferentially provided, there is an advantage of helping the user to select a real time image.

As the invention allows for various changes and numerous embodiments, particular embodiments will be illustrated in the drawings and described in detail in the written description. However, this is not intended to limit the present invention to specific embodiments, it should be understood to include all modifications, equivalents, and substitutes included in the spirit and scope of the present invention. In describing the drawings, similar reference numerals are used for similar elements.

When a component is referred to as being "connected" or "connected" to another component, it may be directly connected to or connected to that other component, but it may be understood that other components may be present in between. Should be. On the other hand, when a component is said to be "directly connected" or "directly connected" to another component, it should be understood that there is no other component in between.

The terminology used herein is for the purpose of describing particular example embodiments only and is not intended to be limiting of the present invention. Singular expressions include plural expressions unless the context clearly indicates otherwise. In this application, the terms "comprise" or "have" are intended to indicate that there is a feature, number, step, operation, component, part, or combination thereof described in the specification, and one or more other features. It is to be understood that the present invention does not exclude the possibility of the presence or the addition of numbers, steps, operations, components, components, or a combination thereof.

Unless defined otherwise, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art. Terms such as those defined in the commonly used dictionaries should be construed as having meanings consistent with the meanings in the context of the related art and shall not be construed in ideal or excessively formal meanings unless expressly defined in this application. Do not.

 Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the following description of the present invention, the same reference numerals will be used for the same means regardless of the reference numerals in order to facilitate the overall understanding.

1 is a diagram showing the configuration of a keyword-based image providing system according to an embodiment of the present invention.

As shown in FIG. 1, the keyword-based image providing system may include a keyword server 100, a location information providing server 102, an image providing server 104, an image evaluation server 106, and an advertisement server 108. Can be.

The keyword-based image providing system according to the present invention is connected to the image providing terminal 110 and the image using terminal 112 through a network.

The network may include both the Internet and a wired network including a dedicated line and a wireless network including a wireless internet, a mobile communication network, a broadcasting network, and a satellite communication network.

The image providing terminal 110 may be a mobile terminal, which may communicate with a system through a network, and may be a mobile communication terminal provided with image capturing means. However, video recording is possible, and any terminal capable of transmitting real-time video captured through a connection with a server may be applied without limitation.

In addition, according to the present invention, the communication unit receives a real-time image captured by the camera unit to establish a connection between the camera unit for capturing the image and the server for the communication with a short-range wireless communication protocol such as Bluetooth, ZigBee You can send it to the server. In this case, the image providing terminal according to the present invention may include both a camera unit and a communication device in which a wireless connection is established.

The keyword server 100 registers and manages keyword information provided by the image providing terminal 110, and when a search request is received from the image using terminal 112, corresponds to a keyword requested for searching and also provides a real-time image. The search result of the image providing terminal 110 is transmitted to the image using terminal 112.

In the present invention, the keyword information is information that can describe the characteristics of the image currently being shot in real time, for example, when the celebrity is found by accident on the road, the name of the entertainer may be keyword information. .

The keyword server 100 according to the present invention manages the location of the image providing terminal 110 registering a keyword in real time with the location information providing server 102.

In this case, the image providing terminal 110 may be a terminal capable of positioning in connection with the location information providing server 102.

The location information providing server 102 may be a single server or a plurality of servers included in a mobile communication network.

The location information providing server 102 is a location of the image providing terminal 110 using at least one of a network based method using a base station received signal of a mobile communication network, a terminal based method using a GPS receiver mounted on the terminal, or a combination thereof. Locate information.

Description of the position positioning is already known to those skilled in the art, detailed description thereof will be omitted.

The keyword server 100 receives the location information of the image providing terminal 110 positioned by the location information providing server 102, and when there is a search request from the image using terminal 112, the image corresponding to the search word (keyword). The search result including the information about the providing terminal 110 may be provided.

Here, the search result may include an ID of the image providing terminal 110 corresponding to the keyword, a location, a part of the captured image (still image), a keyword registered in the image providing terminal, and the like.

The image using terminal 112 selects a specific image providing terminal 110 using a search result such as a keyword, a location, and a still image registered in the image providing terminal 110.

When the user selects the specific image providing terminal 110 through the search result, the image providing server 104 transmits the real time image received from the image providing terminal 110 to the image using terminal 112.

Here, the video using terminal 112 is a terminal for requesting a search to the keyword server 100, receiving a search result, and playing back a real-time image provided by the image providing server 104. It can include both set-top boxes and computers to be connected.

According to the present invention, the image providing server 104 receives an image captured in real time rather than a recorded image from the image providing terminal 110. In this case, a real time image may be received through a repeater (not shown) for stable image reception.

In the present invention, the real time video is a video photographed at the present time in the region where the image providing terminal 110 is located.

According to an embodiment of the present invention, the image providing server 104 receives a real time image from the image providing terminal 110 and then receives a real time image corresponding to the selected keyword when the request is made by the image using terminal 112. Can transmit

However, in order to reduce data traffic in the network, when there is a request from the image providing terminal 110 according to another embodiment of the present invention, the image providing server 104 first waits for the image providing terminal 110 to transmit a real time image. In this case, when the video using terminal 112 is selected, the real time video may be received from the video providing terminal 110 and provided to the video using terminal 112.

Meanwhile, the image providing server 104 according to the present invention may continuously provide a real time image corresponding to a keyword initially selected by the image using terminal 112 in cooperation with the keyword server 100.

According to the present invention, the keyword server 100 may determine whether a keyword of the image providing terminal 110 capturing a real-time image transmitted to the image using terminal 112 is changed from a previously registered keyword.

If the keyword is changed, the keyword server 100 may transmit the keyword change information to the image providing server 104, the image providing server 104 is linked with the keyword server 100, the image using terminal 112 The other video providing terminal 112 that has registered the initially selected keyword is searched and the real-time video of the searched video providing terminal 110 is transmitted to the video using terminal 112.

The image evaluation server 106 performs evaluation on the real time image transmitted to the image using terminal 112.

According to the present invention, the image evaluation server 106 may request image evaluation information from the image using terminal 112 for playing a real time image, and calculates reliability using the image evaluation information received from the image using terminal 112. can do.

Here, the reliability is statistical information about whether the image providing terminal 110 providing the corresponding real-time image provides a real-time image that matches the keyword and whether the user provides the desired information.

The keyword server 100 may provide a search result including the reliability information of each of the image providing terminals 110 corresponding to the keyword to the image using terminal 112. In this case, the image providing terminal 110 having the high reliability may be provided. Give priority exposure.

According to the present invention, advertisement information corresponding to each keyword may be transmitted to the image using terminal 112 together with the provision of the real time image.

The image providing server 104 extracts the advertisement information corresponding to the keyword of the real time image before and after the transmission of the real time image or during the transmission of the real time image and transmits the advertisement information to the image using terminal 112.

Here, the advertisement information is information provided by the advertisement server 108 and includes various types of advertisements such as advertisement images, banners, and texts registered in advance for keywords.

When the image providing terminal 110 transmits a real-time image, a case may be required to pay for network occupancy. According to the present invention, the keyword-based advertisement is provided to the image using terminal 112 together with the real-time image, and the use of the service may be maximized by substituting the cost to be paid by the image providing terminal 110 as the revenue from the advertisement exposure.

According to the present invention, since the real-time image received from the movable image providing terminal 110 is provided, the user can vividly check an image of a keyword desired by the user.

For example, when the keyword "Lee Hyo-ri" is input as shown in FIG. 4, the keyword 400 input by each video providing terminal, the evaluation information 402 for the corresponding video providing terminal, and the image providing terminal are displayed. The search result including the ID 404 may be provided, and the corresponding real-time video may be checked through the selection of the corresponding video providing terminal 110.

In addition, when a user searches for a keyword by traffic or distress, the user may check a real-time image of a desired location, and thus, the traffic situation on the moving route may be more realistically compared to checking the image through CCTV or the like.

Furthermore, even if the broadcaster's camera has not yet arrived in the emergency distress area, if the user is photographing using the mobile communication terminal, each user can grasp the real-time situation.

On the other hand, in the above description, it is described that keyword registration, search request processing, real-time video provision, and evaluation of real-time video are implemented through separate servers, but it is obvious to those skilled in the art that each function may be implemented through one server. something to do.

Hereinafter, a keyword-based image providing system according to the present invention will be described in detail with reference to FIGS. 2 to 3.

2 is a diagram illustrating a detailed configuration of a keyword server according to an exemplary embodiment of the present invention.

As shown in FIG. 2, the keyword server 100 according to the present invention includes a terminal communication unit 200, a keyword registration unit 202, a location information storage unit 204, a search request processing unit 206, and a server communication unit 208. ) And the controller 210.

The terminal communication unit 200 establishes a connection with the image providing terminal 110 and the image using terminal 112 to receive a request of each terminal 110 and 112, and transmits a response to the terminal.

According to the present invention, the image providing terminal 110 may transmit keyword information on the real-time image to the keyword server 100 simultaneously with or prior to the transmission of the real-time image.

The keyword registration unit 202 registers keyword information transmitted from the image providing terminal 110.

On the other hand, the location information storage unit 204 updates and stores the location of the image providing terminal 110 for registering the keyword in real time.

The location information storage unit 204 may receive location information on the image providing terminal 110, which is located at the location information providing server 102. Alternatively, the location information storage unit 204 may directly locate and store the location of the image providing terminal 110 according to a known location method.

The search request processing unit 206 provides an interface for searching for an image providing terminal when the connection with the image using terminal 112 is established through the terminal communication unit 200, and a user searches a keyword (keyword) through the corresponding interface. In the case of inputting, the search result corresponding to the keyword is transmitted to the image using terminal 112.

The search request processing unit 206 may provide the image using terminal 112 with information about the image providing terminal 110 corresponding to the keyword requested by the user as described above using the keyword information stored in the keyword registering unit 202. .

Also, as shown in FIG. 4, the search request processor 206 may store the ID 402 of the image providing terminal 110 and the location information of the image providing terminal 110 managed by the location information storage unit 204. It may provide a search result that includes.

According to the present invention, it is possible to confirm at which position a real-time image corresponding to a desired keyword is photographed through a search result.

Meanwhile, the server communication unit 208 may receive the location information about the image providing terminal 110 by communicating with the location information providing server 102.

In addition, communication with the image evaluation server 106, and receives the reliability information for the image providing terminal calculated by the image evaluation server 106.

The video evaluation server 106 monitors the real-time image reproduction in the image using terminal 112, and when the reproduction of the real-time image transmitted to the image using terminal 112 is terminated, the image evaluation terminal 106 is currently reproduced in the image using terminal 112. The evaluation of the real time image may be requested.

Image evaluation may be made through a predetermined interface provided by the image evaluation server 106, the image evaluation server 106 receives the image evaluation information transmitted from the image using the terminal 112, by using the real time described above The reliability of the image providing terminal that transmitted the image may be calculated.

In addition, the image evaluation server 106 according to the present invention may assign a point according to the real-time image providing to the image providing terminal 110 to activate the real-time image transmission.

When a predetermined real-time image is provided to the image using terminal 112, the image evaluation server 106 gives a point to each image providing terminal 110 according to the degree to which the corresponding real-time image is exposed and the user's evaluation information. Update

In this case, the point may be given to each image providing terminal 110 by using the number of user inquiries about a specific real-time image, the playing time in each image using terminal, and evaluation information of each user.

The search request processing unit 206 may include the reliability calculated as described above in the search result and provide it to the image using terminal 112. Accordingly, when a plurality of image providing terminals providing a real time image corresponding to a keyword exists, the user may select a desired terminal with reference to the reliability.

The controller 210 controls overall operations related to communication with the terminal and the server and processing of a search request.

Meanwhile, when the image using terminal 112 selects at least one image providing terminal from the search result, the image providing server 104 transmits a real time image of the selected image providing terminal to the image using terminal 112.

3 is a diagram illustrating a detailed configuration of an image providing server according to the present invention.

As shown in FIG. 3, the image providing server 104 according to the present invention includes a real time image receiving processor 300, a real time image transmitting unit 302, a recording request processing unit 304, and an advertisement information providing unit 306. It may include.

 The real time image receiving processor 300 establishes a connection with the image providing terminal 110 according to a connection request of the image providing terminal 110 and receives a real time image from the image providing terminal 110.

As shown in FIG. 3, the real time image receiving processor 300 may include an image providing terminal communication unit 310, a real time image receiving unit 312, and a transmission controller 314.

The image providing terminal communication unit 310 establishes a connection with the image providing terminal 110 according to the connection request of the image providing terminal 110.

The real time image receiving unit 312 receives a real time image captured by the image providing terminal 110 through a network.

According to the present invention, the image providing server 110 may receive real time images of all image providing terminals 110, but alternatively, only the real time images of the image providing terminals 110 selected by the image using terminal 112 are selectively selected. You can also receive.

The transmission controller 314 controls waiting and transmission of real-time image transmission of the image providing terminal 110.

In order to reduce traffic, in the case of receiving a real-time video after being selected by the video using terminal 112, the transmission control unit 314 transmits a transmission waiting message to the video providing terminal 110 for which connection is established for real-time video transmission. do. At this time, the image providing terminal 110 continues to shoot, but remains in a standby state in which real-time image transmission is not started.

Subsequently, when there is a selection of the image using terminal 112, the transmission controller 314 transmits a transmission message of a real time image to the selected image providing terminal 110.

Here, before transmitting the transmission message of the real-time video, the transmission control unit 314 is a real-time to the video providing terminal 110 when a user who confirms a part of the real-time video through the video using the terminal 112 is approved. The video transmission message may be transmitted.

The real time image transmitter 302 transmits the real time image of the selected image providing terminal 110 to the image using terminal 112 through the search result.

According to the present invention, the real-time video is transmitted to the video using terminal 112 in a streaming manner, but if a user's request can be recorded in real time.

If there is a recording request from the user, the recording request processor 304 stores a real-time video currently being provided to the image using terminal 112.

In the above description, the image providing server 104 stores the real time image according to a user's request. However, in some cases, the image providing server 104 may store the real time image currently being played by the image using terminal 112 when the user requests. It will be obvious to you.

The advertisement information providing unit 306 provides advertisement information corresponding to the real time image transmitted to the image using terminal 112.

Preferably, the advertisement information providing unit 306 may extract the advertisement image, the banner advertisement, etc. corresponding to the keyword of the real-time image in cooperation with the advertisement server 108 and transmit the extracted advertisement image to the image using terminal 112.

According to the present invention, a user can obtain a profit from an advertiser by exposing a predetermined advertisement to a user who uses the real-time video, and by using a part of the point in the form of a point in the image providing terminal 110, the real-time video can be activated. .

On the other hand, it has been described as providing the advertisement information corresponding to the keyword, but is not limited to this, the advertisement information corresponding to the location of the image providing terminal managed in real time may be provided.

Hereinafter, a process of providing a keyword-based video service according to the present invention will be described in detail with reference to FIGS. 5 to 7.

5 is a flowchart illustrating a keyword-based video service providing process according to an embodiment of the present invention.

Referring to FIG. 5, when there is a keyword registration request in the image providing terminal 110 where image capturing is performed (steps 500 to 502), the keyword server 100 registers corresponding keyword information (step 504).

Meanwhile, when there is a connection of the video using terminal 112 (step 506), the keyword server 100 transmits an interface for searching for an image providing terminal to the video using terminal 112 (step 508).

The image using terminal 112 transmits a search request including the search word input by the user to the keyword server 100 (step 510).

The keyword server 100 transmits a search result corresponding to the search word to the image using terminal 112 (step 512).

In operation 512, the search result includes information about an image providing terminal that has registered a keyword, such as a search word input by the user.

On the other hand, the image providing server 104 receives a real-time image currently being photographed from the image providing terminal 110 (step 514), when the image using terminal 112 selects the image providing terminal 110 in the search results In operation 516, the real time image of the selected image providing terminal 110 is transmitted to the image using terminal 112 (operation 518).

The image providing server 104 may transmit the advertisement information provided from the advertisement server 108 to the image using terminal 112 together with the real time image (step 520), and furthermore, if there is a recording request from the image using terminal 112 ( In operation 522, the real-time image being transmitted may be stored (operation 524).

6 is a flowchart illustrating a keyword-based video service providing process according to another embodiment of the present invention.

FIG. 6 illustrates a case in which real-time video is received from an image providing terminal selected from an image using terminal to reduce data traffic.

Referring to FIG. 6, the keyword server 100 registers keyword information transmitted to the image providing terminal 110 as in FIG. 5 (step 600).

In addition, when there is a connection of the video using terminal 112 (step 602), the keyword server 100 transmits an interface for searching for an image providing terminal to the video using terminal 112 (604).

The video using terminal 112 transmits a search request including a search word input by the user to the keyword server 100 (step 606), and the keyword server 100 transmits a search result corresponding to the search term to the video using terminal 112. (Step 608).

On the other hand, according to another embodiment of the present invention, when the video providing server 104 receives a request for receiving a real-time video from the video providing terminal 110 registered a keyword (step 610), to the corresponding video providing terminal 110 Send a message waiting to be sent (step 612).

Thereafter, the image providing server 104 transmits a transmission message to the selected image providing terminal 110 when the image using terminal 112 selects the image providing terminal through the search result (step 614). ).

The image providing terminal 110 receiving the transmission message transmits the captured real-time image to the image providing server 104 (step 618).

The image providing server 104 transmits the received real-time image to the image using terminal 112 (step 620).

When receiving the real-time video from the image providing terminal 110 after the user's selection as described above can significantly reduce the data traffic.

On the other hand, when the image providing server 104 maintains the transmission standby state of the real-time video as described above, in providing the search results, the keyword server 100 in conjunction with the image providing server 104 registered the keyword in the image providing terminal The information regarding the image providing terminal that is currently waiting for the real-time image transmission may be provided as a search result.

7 is a flowchart illustrating an image evaluation and point assignment process according to the present invention.

Referring to FIG. 7, when a real-time image is transmitted and reproduced to the image using terminal 112 (step 700), the image evaluation server 106 requests the image using terminal 112 to evaluate the image (step 702).

In this case, the image evaluation request may be performed during or after the reproduction of the real-time image.

The image using terminal 112 transmits the image evaluation information input by the user to the image evaluation server 106 (step 704), and calculates the reliability of the image providing terminal 110 providing the corresponding real-time image. (Step 706).

Step 706 may be a process of adding and averaging image evaluation information received from one or more image using terminals to weight the corresponding real-time image, and adding this to the previously calculated reliability of the image providing terminal.

Meanwhile, the keyword server 100 includes each reliability in the image providing terminal 110 included in the search result and transmits the reliability to the image using terminal 112.

According to the present invention, the video evaluation server 106 monitors the number of views of each real-time video and the real-time video playback on each video-using terminal 112 (step 708).

The image evaluation server 106 assigns a point to the image providing terminal 110 that provides the corresponding real-time image by using the monitored number of views, playback time, and user's evaluation information (step 710).

Preferred embodiments of the present invention described above are disclosed for purposes of illustration, and those skilled in the art will be able to make various modifications, changes, and additions within the spirit and scope of the present invention. Additions should be considered to be within the scope of the following claims.

1 is a diagram showing the configuration of a keyword-based image providing system according to an embodiment of the present invention.

2 is a diagram showing the detailed configuration of a keyword server according to an embodiment of the present invention.

3 is a diagram illustrating a detailed configuration of an image providing server according to an exemplary embodiment of the present invention.

4 is a diagram illustrating an example of a search result screen according to the present invention;

5 is a flowchart illustrating a keyword-based video service providing process according to an embodiment of the present invention.

6 is a flowchart illustrating a keyword-based video service providing process according to another embodiment of the present invention.

7 is a flowchart illustrating an image evaluation and point assignment process according to the present invention.

Claims (15)

In the method for providing a keyword-based video service, (A) receiving keyword information on a real-time image captured by the image providing terminal from a movable image providing terminal; (B) receiving a real-time image from the image providing terminal; And (C) transmitting a real-time image received from at least one of the image providing terminals corresponding to the keyword selected by the user to the image using terminal, In the step (b), after the keyword selection information or the image providing terminal selection information is received from the image using terminal, the keyword-based receiving the real time image from the one or more image providing terminals corresponding to the selected keyword or the selected image providing terminal. How to provide video service. The method of claim 1, Maintaining keyword information received from a plurality of image providing terminals; And And receiving a search result of the video providing terminal corresponding to the keyword to the video using terminal when the search request of the video using terminal is received. The method of claim 2, The step (c) is a keyword-based video service providing method for transmitting a real-time video of the video providing terminal selected from the search results. The method of claim 2, Determining whether a keyword of an image providing terminal photographing a real-time image transmitted to the image using terminal is changed; And And searching for another image providing terminal corresponding to the keyword selected by the user when the keyword is changed. The method of claim 1, Receiving evaluation information on a real-time image received from the image using terminal; And And calculating a reliability of an image providing terminal that provided the real-time image by using the evaluation information. The method of claim 5, The reliability calculated for each video providing terminal is a keyword-based video service providing method is exposed as a search result according to the search request of the video using terminal. delete The method of claim 1, And transmitting the advertisement image registered for the selected keyword to the image using terminal. The method of claim 1, Receiving a recording request from the video using terminal; And The method of claim 1, further comprising the step of storing the recorded real-time video. As a method performed in a keyword server connected to an image providing server, (A) receiving keyword information on a real-time image captured by the image providing terminal from a movable image providing terminal; (B) maintaining keyword information received from the plurality of video providing terminals; And (C) transmitting a search result of the image providing terminal corresponding to the keyword to the image using terminal when the search request of the image using terminal is received, And the video providing server receives the real-time video from the selected video providing terminal after the video providing terminal selection information is received from the video using terminal. A computer on which a program for performing the method according to any one of claims 1, 2, 3, 4, 5, 6, 8, 9 and 10 is recorded. Readable record carrier. As a keyword-based video service providing system, Receives keyword information about a real-time image captured by the image providing terminal from a movable image providing terminal, and when a search request of an image using terminal is received, the search result about the image providing terminal corresponding to the keyword is used. Keyword server for transmitting to the terminal; And And a video providing server for transmitting the real time video received from the selected video providing terminal through the search result to the video using terminal. The method of claim 12, And a video evaluation server which receives the evaluation information on the real-time video from the video using terminal and calculates the reliability of the video providing terminal providing the real-time video. The method of claim 12, The video providing server, A transmission controller for maintaining a real-time image transmission standby state of the image providing terminal; And And a real-time video receiver configured to receive a real-time video from the video providing terminal when the video providing terminal is selected from the video using terminal. The method of claim 12, The keyword-based video service providing system further comprises an advertisement server for providing advertisement information corresponding to the received keyword.

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