WO2012043910A1

WO2012043910A1 - Image display device and image displaying method thereof

Info

Publication number: WO2012043910A1
Application number: PCT/KR2010/006733
Authority: WO
Inventors: 최지호; 이종수; 홍승범; 박은영
Original assignee: 엘지전자 주식회사
Priority date: 2010-10-01
Filing date: 2010-10-01
Publication date: 2012-04-05

Abstract

The present invention relates to an image display device that compares a feature data included in a reference image with a feature data extracted from an image photographed of a user to assess the congruency of the feature data and provide the assessment result to a user, thereby enabling a systematic exercise management by monitoring whether a user adapts to the feature data included in the reference image and guiding a user to perform an accurate movement according to the reference image, and an image displaying method thereof. To this end, the image display device according to one embodiment of the present invention comprises: a photographing unit for obtaining the photographed image of a user; a communication unit for receiving the reference image including a first feature data; a output unit for outputting the photographed image and the reference image; and a control unit for extracting a second feature data from the photographed image, comparing the first feature data and the second feature data, and controlling the output unit to overlap and display an indicator showing the comparison result on the photographed image or the reference image.

Description

Image display device and image display method

The present specification relates to an electronic device and a method for controlling the operation of the electronic device, and more particularly, to an image display device having an image display function and an image display method in such an image display device.

An image display device is a device having a function of displaying an image that a user can watch. The user can watch the broadcast through the image display device. The video display device displays a broadcast selected by a user on a display among broadcast signals transmitted from a broadcasting station. Currently, broadcasting is shifting from analog broadcasting to digital broadcasting worldwide.

Digital broadcasting refers to broadcasting for transmitting digital video and audio signals. Digital broadcasting is more resistant to external noise than analog broadcasting, so it has less data loss, is advantageous for error correction, has a higher resolution, and provides a clearer picture. In addition, unlike analog broadcasting, digital broadcasting is capable of bidirectional services.

The present specification compares feature data included in a reference image with feature data extracted from an image of the user to determine whether the feature data match and provides a determination result to the user, thereby providing a user with the feature data included in the reference image. It is a technical problem to provide an image display device and a method of displaying the image, which monitor the compliance of the system and allow the user to take an accurate action according to the reference image, thereby enabling systematic exercise management.

The image display device for solving the technical problem, the photographing unit for obtaining a photographed image of the user; A communication unit which receives a reference image including first feature data; An output unit configured to output the captured image and the reference image; And extracting second feature data from the captured image, comparing the first feature data with the second feature data, and outputting an indicator indicating the comparison result superimposed on the captured image or the reference image. It characterized in that it comprises a control unit for controlling.

The output unit may display the captured image and the reference image at the same time. The output unit may display the captured image and the reference image in a superimposed manner. The output unit may display the captured image and the reference image in a picture in picture (PIP) manner. In an exemplary embodiment, the output unit may display the captured image and the reference image on each of divided regions of the screen.

The control unit may control the communication unit to transmit the comparison result to an external device.

The control unit may generate guide information based on the comparison result and control the output unit to output the guide information. In another embodiment, the guide information may include posture correction information. In addition, in one embodiment, the guide information, characterized in that it comprises information about the moving direction and / or the moving distance of the body part of the user.

In an exemplary embodiment, the controller may compare the first feature data and the second feature data to determine a match, and control the output unit to output a message indicating the match.

In an embodiment, the controller may measure the progression amount of the user based on the first characteristic data or the second characteristic data, and control the output unit to output the progression quantity or the communication unit to an external device. It characterized in that the control to transmit the amount of exercise.

The image display apparatus may further include a storage unit configured to store a target exercise amount of the user, and the controller may control the output unit to output the target exercise amount. The controller may further include controlling the output unit to output a notification message or controlling the communication unit to transmit the notification message to an external device when the progressed exercise amount reaches the target exercise amount. .

In an embodiment, the communication unit may receive a broadcast image, and the controller may acquire health information related to content included in the broadcast image, and control the output unit to output the health information, or the communication unit may be external. Control to transmit the health information to a device.

The communication unit may monitor the connection between the video display device and an external device, and the controller may extract identification information of the external device when the video display device is connected to the external device. Obtaining user information based on identification information, and obtaining health information of the user based on the user information.

The controller may further include detecting a face region of the user from the captured image, obtaining user information based on the detected face region, and obtaining health information of the user based on the user information. It is characterized by. In an embodiment, the communication unit may receive the reference image based on the health information.

In an exemplary embodiment, the communication unit may receive a broadcast video and receive the reference video based on a type of content included in the broadcast video. The communication unit may receive the reference image when the content included in the broadcast image is an advertisement content.

The first feature data may be feature data reflecting exercise prescription information for the user.

In addition, in one embodiment, the exercise prescription information is characterized in that the exercise prescription information for any one of aerobic, muscular strength and stretching exercises.

In an exemplary embodiment, the comparison result may include information about a body part of the user who does not match in the first feature data and the second feature data.

In addition, the image display method for solving the technical problem, the step of obtaining a photographed image of the user; Receiving a reference image including first feature data; Outputting the captured image and the reference image; Extracting second feature data from the captured image; Comparing the first feature data and the second feature data; And displaying an indicator indicating the comparison result by overlapping the photographed image or the reference image.

According to an embodiment of the present invention, the image display device compares the feature data of the reference image and the captured image to determine the accuracy of the operation and provide the user with information on the accuracy of the operation, thereby allowing the user to perform the correct operation. To make it possible. Accordingly, the user can easily and conveniently learn the operations included in the reference image, and accurately monitor the result of performing the operations.

1 is a view schematically showing a video display device system according to an embodiment of the present invention.

2 is a block diagram illustrating an image display device according to an exemplary embodiment of the present invention.

3 is a diagram illustrating a device capable of transmitting and receiving data with the image display device of FIG. 2.

4 is a diagram illustrating an output screen of a captured image and a reference image according to embodiments of the present invention.

5 is a diagram illustrating an output screen of a captured image and a reference image according to embodiments of the present invention.

6 is a diagram illustrating a display screen of an indicator according to a first embodiment of the present invention.

7 is a flowchart illustrating an image display process according to the first embodiment of the present invention.

8 is a diagram illustrating an output screen of guide information according to the second embodiment of the present invention.

9 is a flowchart illustrating an image display process according to a second embodiment of the present invention.

10 is a diagram illustrating a display screen of a message according to a third embodiment of the present invention.

11 is a flowchart illustrating an image display process according to a third embodiment of the present invention.

12 is a view showing a display screen of the exercise amount according to the fourth embodiment of the present invention.

13 is a flowchart illustrating an image display process according to a fourth embodiment of the present invention.

14 is a flowchart illustrating an image display process according to a fourth embodiment of the present invention.

15 is a diagram illustrating an output screen of a notification message according to a fifth embodiment of the present invention.

16 is a flowchart illustrating an image display process according to a fifth embodiment of the present invention.

17 is a diagram illustrating an output screen of health information according to a sixth embodiment of the present invention.

18 is a flowchart illustrating an image display process according to a sixth embodiment of the present invention.

19 is a view showing a user authentication screen according to the seventh and eighth embodiments of the present invention.

20 is a flowchart illustrating an image display process according to a seventh embodiment of the present invention.

21 is a flowchart illustrating an image display process according to an eighth embodiment of the present invention.

22 is a diagram illustrating a screen for checking whether an image is displayed according to the ninth embodiment of the present invention.

23 is a flowchart illustrating an image display process according to a ninth embodiment of the present invention.

In general, according to an exercise management program provided by a fitness center or the like, a professional such as a fitness trainer provides a schedule for exercise information, and the user manages the exercise by performing the provided schedule. On the other hand, in order for the user to perform the exercise more efficiently, it is important to accurately determine whether the user fulfills the predetermined schedule. In addition, in order for a user to perform an exercise more efficiently, it is important to accurately perform an operation included in an exercise according to a predetermined schedule.

Hereinafter, an image display device according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings. The suffixes "module" and "unit" for components used in the following description are given or used in consideration of ease of specification, and do not have distinct meanings or roles from each other.

On the other hand, the video display device described in this specification is an intelligent video display device that adds a computer support function to the broadcast reception function, and is faithful to the broadcast reception function, but the Internet function is added, the handwriting type input device, touch screen or It can be equipped with a more convenient interface such as a space remote control. In addition, by being connected to the Internet and a computer with the support of a wired or wireless Internet function, it is possible to perform functions such as email, web browsing, banking or gaming. Standardized general-purpose operating systems can be used for these various functions.

That is, in the image display device described herein, various applications can be freely added or deleted on the general-purpose OS kernel, and thus various user-friendly functions can be performed. For example, it may be a smart TV.

In addition, the term feature data described herein is data that reflects a feature of a user's motion or posture included in each image, and may mean data that is preset in the image or extracted from the image. For example, the feature data may include relative position information between one or more feature objects preset in order to compare a user's motion observed in the plurality of images. In an embodiment, the feature object may correspond to a body part of the user.

In addition, the term reference image described herein may refer to an image representing feature data reflecting an operation performed by a user. The reference image may include a real image, a virtual image, or an image obtained by combining the real image and the virtual image.

영상표시기기 시스템Video Display System

Referring to the drawings, the video display device system according to an embodiment of the present invention, when viewed in terms of providing a content service on a broadcast sender basis, a content provider (CP) 10, a service provider (Service) It may be divided into a provider (SP) 20, a network provider (NP) 30, and a user 40.

The content provider 10 produces and provides various contents. As shown in FIG. 1, the content provider 10 includes a terrestrial broadcaster, a cable system operator or a multiple system operator, a satellite broadcaster, and an internet broadcaster. An internet broadcaster, etc. may be exemplified, etc. In addition, the content provider 10 may provide various applications and the like in addition to the broadcast content.

The service provider 20 may provide a service package of contents provided by the content provider 10. For example, the service provider 20 of FIG. 1 may package and provide a first terrestrial broadcast, a second terrestrial broadcast, a cable MSO, satellite broadcast, various internet broadcasts, applications, and the like to a user.

Meanwhile, the service provider 20 may provide a service to the user 40 using a unicast or multicast scheme. The unicast method is a method of transmitting data 1: 1 between one sender and one receiver. For example, in the unicast method, when a receiver requests data from a server, the server may transmit data to the receiver according to the request. Multicasting is a method of transmitting data to a plurality of recipients of a specific group. For example, the server can send data to multiple pre-registered receivers at once. For such multicast registration, the Internet Group Management Protocol (IGMP) protocol may be used.

The network provider 30 may provide a network for providing a service to the user 40. The user 40 may be provided with a service by building a home network end user (HNED).

As a means for protecting the content transmitted from the video display device system, a conditional access or a content protection may be used. As one example for such a restriction reception or content protection, a scheme such as a cable card or a downloadable conditional access system (DCAS) may be used.

On the other hand, the user 40 can also provide content through the network. In this case, unlike the above, the user 40 may be a content provider, and the content provider 10 may receive content from the user 40. Accordingly, an interactive content service or a data service may be possible.

Referring to FIG. 2, the video display device 100 according to an embodiment of the present invention may include a broadcast receiver 105, an external device interface 135, a storage 140, a user input interface 150, The controller 170 may include a display unit 180, an audio output unit 185, and a power supply unit 190. The broadcast receiving unit 105 may include a tuner 110, a demodulator 120, and a network interface unit 130. Among them, the tuner 110 and the demodulator 120 may be provided with the network interface unit 130 selectively.

The tuner 110 selects an RF broadcast signal corresponding to a channel selected by a user or all pre-stored channels among RF (Radio Frequency) broadcast signals received through an antenna. In addition, the selected RF broadcast signal is converted into an intermediate frequency signal or a baseband video or audio signal.

For example, if the selected RF broadcast signal is a digital broadcast signal, it is converted into a digital IF signal (DIF). If the analog broadcast signal is converted into an analog baseband video or audio signal (CVBS / SIF). That is, the tuner 110 may process a digital broadcast signal or an analog broadcast signal. The analog baseband video or audio signal CVBS / SIF output from the tuner 110 may be directly input to the controller 170.

In addition, the tuner 110 may receive an RF broadcast signal of a single carrier according to an Advanced Television System Committee (ATSC) scheme or an RF broadcast signal of multiple carriers according to a digital video broadcasting (DVB) scheme.

Meanwhile, the tuner 110 may sequentially select RF broadcast signals of all broadcast channels stored through a channel memory function among RF broadcast signals received through an antenna and convert them to intermediate frequency signals or baseband video or audio signals. have.

The demodulator 120 receives the digital IF signal DIF converted by the tuner 110 and performs a demodulation operation.

For example, when the digital IF signal output from the tuner 110 is an ATSC scheme, the demodulator 120 performs 8-VSB (8-Vestigal Side Band) demodulation. In addition, the demodulator 120 may perform channel decoding. To this end, the demodulator 120 includes a trellis decoder, a de-interleaver, a reed solomon decoder, and the like, for trellis decoding, deinterleaving, and read. Soloman decryption can be performed.

For example, when the digital IF signal output from the tuner 110 is a DVB scheme, the demodulator 120 performs coded orthogonal frequency division modulation (COFDMA) demodulation. In addition, the demodulator 120 may perform channel decoding. To this end, the demodulator 120 may include a convolution decoder, a deinterleaver, a reed-soloman decoder, and the like to perform convolutional decoding, deinterleaving, and reed soloman decoding.

The demodulator 120 may output a stream signal TS after performing demodulation and channel decoding. In this case, the stream signal may be a signal multiplexed with a video signal, an audio signal, or a data signal. For example, the stream signal may be an MPEG-2 Transport Stream (TS) multiplexed with an MPEG-2 standard video signal, a Dolby AC-3 standard audio signal, and the like. In more detail, the MPEG-2 TS may include a header of 4 bytes and a payload of 184 bytes.

On the other hand, the demodulator 120 described above can be provided separately according to the ATSC system and the DVB system. That is, it can be provided with an ATSC demodulation part and a DVB demodulation part.

The stream signal output from the demodulator 120 may be input to the controller 170. After performing demultiplexing, image / audio signal processing, and the like, the controller 170 outputs an image to the display 180 and outputs audio to the audio output unit 185.

The external device interface unit 135 may connect the external device to the image display device 100. To this end, the external device interface unit 135 may include an A / V input / output unit (not shown) or a wireless communication unit (not shown).

The external device interface unit 135 may be connected to an external device such as a digital versatile disk (DVD), a Blu-ray, a game device, a camera, a camcorder, a computer (laptop), or the like by wire or wireless. The external device interface unit 135 transmits an externally input image, audio or data signal to the controller 170 of the image display device 100 through a connected external device. In addition, the controller 170 may output an image, audio, or data signal processed by the controller 170 to a connected external device. To this end, the external device interface unit 135 may include an A / V input / output unit (not shown) or a wireless communication unit (not shown).

The A / V input / output unit may use a USB terminal, a CVBS (Composite Video Banking Sync) terminal, a component terminal, an S-video terminal (analog), and a DVI to input video and audio signals from an external device to the video display device 100. (Digital Visual Interface) terminal, HDMI (High Definition Multimedia Interface) terminal, RGB terminal, D-SUB terminal and the like.

The wireless communication unit may perform near field communication with another electronic device. The image display device 100 may communicate with Bluetooth, Radio Frequency Identification (RFID), Infrared Data Association (IrDA), Ultra Wideband (UWB), ZigBee, and Digital Living Network Alliance (DLNA). Depending on the specification, it can be networked with other electronic devices.

In addition, the external device interface unit 135 may be connected through at least one of the various set top boxes and the various terminals described above, and perform input / output operations with the set top box.

Meanwhile, the external device interface unit 135 may receive an application or a list of applications in a neighboring external device and transmit the received application or list to the controller 170 or the storage 140.

The network interface unit 130 provides an interface for connecting the video display device 100 to a wired / wireless network including an internet network. The network interface unit 130 may include an Ethernet terminal for connecting to a wired network, and for connecting to a wireless network, a WLAN (Wi-Fi) or Wibro (Wireless). Broadband, Wimax (World Interoperability for Microwave Access), High Speed Downlink Packet Access (HSDPA) communication standards, and the like may be used.

The network interface unit 130 may access a predetermined web page through a network. That is, by accessing a predetermined web page through the network, it is possible to send or receive data with the server. In addition, content or data provided by a content provider or a network operator may be received. That is, content such as a movie, an advertisement, a game, a VOD, a broadcast signal, and related information provided from a content provider or a network provider may be received through a network. In addition, it is possible to receive the update information and the update file of the firmware provided by the network operator. It may also transmit data to the Internet or content provider or network operator.

In addition, the network interface unit 130 may select and receive a desired application from among applications that are open to the public through the network.

The storage 140 may store a program for processing and controlling each signal in the controller 170, or may store a signal processed video, audio, or data signal.

In addition, the storage 140 may perform a function for temporarily storing an image, audio, or data signal input from the external device interface 135 or the network interface 130. In addition, the storage 140 may store information on a predetermined broadcast channel through a channel storage function.

In addition, the storage 140 may store an application or a list of applications input from the external device interface 135 or the network interface 130.

The storage unit 140 may include a flash memory type, a hard disk type, a multimedia card micro type, a card type memory (for example, SD or XD memory), It may include at least one type of storage medium such as RAM, ROM (EEPROM, etc.). The video display device 100 may provide a user with a content file (video file, still image file, music file, document file, application file, etc.) stored in the storage 140.

2 illustrates an embodiment in which the storage 140 is provided separately from the controller 170, but the scope of the present invention is not limited thereto. The storage unit 140 may be included in the control unit 170.

The user input interface unit 150 transmits a signal input by the user to the controller 170 or transmits a signal from the controller 170 to the user.

For example, the user input interface unit 150 may be powered on / off, channel selection, and screen from the remote controller 200 according to various communication methods such as a radio frequency (RF) communication method and an infrared (IR) communication method. The controller may receive and process a user input signal or a control signal such as a setting, or transmit a control signal from the controller 170 to the remote controller 200.

In addition, for example, the user input interface unit 150 may transmit a user input signal or a control signal input from a local key (not shown) such as a power key, a channel key, a volume key, and a set value to the controller 170. have.

In addition, for example, the user input interface unit 150 may transmit a user input signal or a control signal input from a sensing unit (not shown) that senses a user's gesture to the controller 170 or from the controller 170. The signal of may be transmitted to a sensing unit (not shown). Here, the sensing unit may include a touch sensor, a voice sensor, a position sensor, an operation sensor, and the like.

The control unit 170 demultiplexes the input stream or processes the demultiplexed signals through the tuner 110, the demodulator 120, or the external device interface unit 135, and outputs a video or audio signal. You can create and output.

The image signal processed by the controller 170 may be input to the display 180 and displayed as an image corresponding to the image signal. In addition, the image signal processed by the controller 170 may be input to the external output device through the external device interface unit 135.

The audio signal processed by the controller 170 may be audio output to the audio output unit 185. In addition, the voice signal processed by the controller 170 may be input to the external output device through the external device interface unit 135.

Although not shown in FIG. 2, the controller 170 may include a demultiplexer for demultiplexing an input stream and an image processor for performing image processing of the demultiplexed video signal. The image processor may include a video decoder for decoding the demultiplexed video signal, a scaler for scaling the resolution of the decoded video signal on the display 180, and the like.

In addition, the controller 170 may control overall operations of the image display device 100. For example, the controller 170 may control the tuner 110 to control the tuner 110 to select an RF broadcast corresponding to a channel selected by a user or a pre-stored channel.

In addition, the controller 170 may control the image display device 100 by a user command or an internal program input through the user input interface unit 150. In particular, the user may access the network to download the desired application or application list into the video display device 100.

For example, the controller 170 controls the tuner 110 to input a signal of a selected channel according to a predetermined channel selection command received through the user input interface unit 150. Then, the video, audio, or data signal of the selected channel is processed. The controller 170 may output the channel information selected by the user together with the processed video or audio signal through the display 180 or the audio output unit 185.

As another example, the controller 170 may, for example, receive an external device image playback command received through the user input interface unit 150, from an external device input through the external device interface unit 135, for example, a camera or a camcorder. The video signal or the audio signal may be output through the display 180 or the audio output unit 185.

The controller 170 may control the display 180 to display an image. For example, the display 180 displays a broadcast image input through the tuner 110, an external input image input through the external device interface unit 135, or an image input through the network interface unit, or an image stored in the storage unit 140. ) Can be displayed. In this case, the image displayed on the display 180 may be a still image or a video, and may be a 2D image or a 3D image.

Meanwhile, when entering an application view item, the controller 170 may control to display a list of applications or applications that can be downloaded from the video display device 100 or from an external network.

The controller 170 may control to install and run an application downloaded from an external network along with various user interfaces. In addition, by selecting a user, an image related to an executed application may be controlled to be displayed on the display 180.

On the other hand, although not shown in the figure, it may be further provided with a channel browsing processing unit for generating a thumbnail image corresponding to the channel signal or the external input signal. The channel browsing processor may receive a stream signal TS output from the demodulator 120 or a stream signal output from the external device interface 135, extract a video from the input stream signal, and generate a thumbnail image. Can be. The generated thumbnail image may be input as it is or encoded to the controller 170. In addition, the generated thumbnail image may be encoded in a stream form and input to the controller 170. The controller 170 may display a thumbnail list including a plurality of thumbnail images on the display 180 by using the input thumbnail image. Meanwhile, the thumbnail images in the thumbnail list may be updated sequentially or simultaneously. Accordingly, the user can easily grasp the contents of the plurality of broadcast channels.

The display 180 converts an image signal, a data signal, an OSD signal processed by the controller 170, or an image signal, data signal, etc. received from the external device interface unit 135 into R, G, and B signals, respectively. Generate a signal.

The display 180 may be a PDP, an LCD, an OLED, a flexible display, a 3D display, or the like.

The display 180 may be configured as a touch screen and used as an input device in addition to the output device.

The audio output unit 185 receives a signal processed by the controller 170, for example, a stereo signal, a 3.1 channel signal, or a 5.1 channel signal, and outputs a voice signal. The voice output unit 185 may be implemented by various types of speakers.

On the other hand, a photographing unit (not shown) for photographing the user may be further provided. The photographing unit (not shown) may be implemented by one camera, but is not limited thereto and may be implemented by a plurality of cameras. The image information photographed by the photographing unit (not shown) is input to the controller 170.

Meanwhile, in order to detect a gesture of a user, as described above, a sensing unit (not shown) including at least one of a touch sensor, a voice sensor, a position sensor, and a motion sensor may be further provided in the image display apparatus 100. have. The signal detected by the sensing unit (not shown) may be transmitted to the controller 170 through the user input interface unit 150.

The controller 170 may detect a gesture of a user by combining or combining an image captured by a photographing unit (not shown) or a detected signal from a sensing unit (not shown).

The power supply unit 190 supplies the corresponding power throughout the image display device 100. In particular, power may be supplied to the controller 170, which may be implemented in the form of a System On Chip (SOC), a display 180 for displaying an image, and an audio output unit 185 for audio output. have.

To this end, the power supply unit 190 may include a converter (not shown) for converting AC power into DC power. Meanwhile, for example, when the display 180 is implemented as a liquid crystal panel having a plurality of backlight lamps, an inverter (not shown) capable of PWM operation may be further provided for driving of variable brightness or dimming. have.

The remote control apparatus 200 transmits the user input to the user input interface unit 150. To this end, the remote control device 200 may use Bluetooth, RF (Radio Frequency) communication, infrared (IR) communication, UWB (Ultra Wideband), ZigBee (ZigBee) method and the like.

In addition, the remote control apparatus 200 may receive an image, an audio or a data signal output from the user input interface unit 150, display it on the remote control apparatus 200 or output an audio or vibration.

The video display device 100 described above is a fixed type of ATSC (8-VSB) digital broadcasting, DVB-T (COFDM) digital broadcasting, ISDB-T (BST-OFDM) digital broadcasting, and the like. It may be a digital broadcast receiver capable of receiving at least one.

Meanwhile, the image display device described herein is an image display device in which the display 180 and the audio output unit 185 shown in FIG. 2 are excluded, and through the wireless communication, the display 180 and the audio output unit ( 185 may be of a wireless type.

Meanwhile, a block diagram of the image display apparatus 100 shown in FIG. 2 is a block diagram for an embodiment of the present invention. Each component of the block diagram may be integrated, added, or omitted according to the specification of the image display device 100 that is actually implemented. That is, two or more components may be combined into one component as needed, or one component may be divided into two or more components. In addition, the function performed in each block is for explaining an embodiment of the present invention, the specific operation or device does not limit the scope of the present invention.

On the other hand, the image display device 100, unlike shown in Figure 2, does not include the tuner 110 and the demodulator 120 shown in Figure 2, the network interface unit 130 or the external device interface unit 135 ), The video content may be received and played back.

On the other hand, the photographing unit according to an embodiment of the present invention may obtain a photographed image photographing the user. The photographing unit may acquire an image captured by the user by processing an image frame such as a still image or a moving image of the user acquired by an image sensor such as a CCD. In one embodiment, the image sensor may be provided inside the image display apparatus 100, and in another embodiment, the image sensor may be provided outside the image display apparatus 100 so that the image sensor is a still image or a video for the user in the photographing unit. Can output an image frame. The photographing unit may store the photographed image photographing the user in the storage 140 or output it to the controller 170.

In addition, the broadcast receiving unit 105 may receive a reference image including the first feature data. The broadcast receiving unit 105 may receive a reference image from a broadcasting station or a network server under the control of the controller 170, and store the received reference image in the storage 140 or output the received reference image to the controller 170.

In addition, the controller 170 may extract second feature data from the captured image. The controller 170 may extract the user region by removing noise, which is not related to the user, through edge extraction or pattern extraction from the captured image stored in the storage 140 or output from the photographing unit. In addition, the controller 170 may extract second feature data, which is relative position information between feature objects corresponding to a user's body part, from the user region extracted from the captured image.

In addition, the controller 170 may compare the first feature data and the second feature data. The controller 170 may compare the relative position information between the feature objects included in the first feature data and the relative position information between the feature objects included in the second feature data.

In addition, the controller 170 may control the display 180 to display the indicator indicating the comparison result on the captured image or the reference image. For example, the controller 170 generates an indicator indicating a feature object having different positional information relative to the feature object included in the first feature data among the feature objects included in the second feature data, and photographs the generated indicator. The display 180 may be controlled to display in a superimposed manner. Alternatively, for example, the controller 170 may generate an indicator indicating a feature object that is different from the feature object included in the second feature data among the feature objects included in the first feature data, and refers to the generated indicator. The display 180 may be controlled to overlap the image.

Here, the first feature data may be feature data reflecting exercise prescription information for the user. In addition, the exercise prescription information may be exercise prescription information regarding any one of aerobic, muscular strength and stretching exercise.

Referring to the drawings, the image display device 100 according to an embodiment of the present invention may communicate with the broadcasting station 210, the network server 220, or the external device 230.

The video display device 100 may receive a broadcast signal including a video signal transmitted from the broadcast station 210. The video display device 100 may process a video signal, an audio signal, or a data signal included in a broadcast signal so as to be suitable for outputting from the video display device 100. The image display device 100 may output an image or audio based on the processed image signal.

The image display apparatus 100 may communicate with the network server 220. The network server 220 is a device capable of transmitting and receiving a signal with the image display device 100 through an arbitrary network 310. For example, the network server 220 may be a mobile phone terminal that may be connected to the image display device 100 through a wired or wireless base station. In addition, the network server 220 may be a device capable of providing content to the image display device 100 through an Internet network. The content provider may provide content to the video display device 100 using a network server.

The image display device 100 may communicate with the external device 230. The external device 230 is a device capable of directly transmitting and receiving a signal with the image display device 100 by wire or wireless 320. For example, the external device 230 may be a media storage device or a playback device used by a user. That is, the external device 230 may be a camera, a DVD or a Blu-ray player, a personal computer, or the like.

The broadcasting station 210, the network server 220, or the external device 230 may transmit a signal including a video signal to the video display device 100. The image display device 100 may display an image based on an image signal included in an input signal. In addition, the image display device 100 may transmit a signal transmitted from the broadcasting station 210 or the network server 220 to the image display device 100 to the external device 230. In addition, the signal transmitted from the external device 230 to the image display device 100 may be transmitted to the broadcasting station 210 or the network server 220. That is, the video display device 100 may transmit content included in a signal transmitted from the broadcasting station 210, the network server 220, and the external device 230 in addition to directly playing the content on the video display device 100.

본 발명의 실시예들에 대한 설명Description of Embodiments of the Invention

The display 180 may simultaneously display the captured image and the reference image. In this case, the display 180 may display the captured image and the reference image in each of the divided regions of the screen. In addition, the display 180 may display the captured image and the reference image by overlapping them.

Referring to FIG. 4A, the display 180 may divide a screen into two areas and display the screen. In this case, the display 180 may display the reference image 410 in the first area of the two divided areas. In this case, the display 180 may display the captured image 420 in the second area of the divided two areas.

Referring to FIG. 4B, the display 180 may superimpose and display a captured image and a reference image 430 on a screen. The controller 170 may extract the user region from the captured image, and adjust the size of the captured image so that the size of the user region corresponds to the size of the user region included in the reference image. The display 180 may superimpose and display the reference image on the adjusted image.

The display 180 may display the captured image and the reference image in a picture in picture (PIP) manner. The PIP method may mean a method in which one program (image) is displayed in full screen and another program (image) is displayed in an internal window inserted in the full screen.

Referring to FIG. 5A, the display 180 may display the reference image 510 in full screen. At the same time, the display 180 may display the captured image 520 in a window inserted into a partial region of the full screen.

On the contrary, referring to FIG. 5B, the display 180 may display the captured image 530 in full screen. At the same time, the display 180 may display the reference image 540 in a window inserted into a portion of the full screen.

The feature data is data reflecting characteristics of a user's motion or posture included in each image, and may be preset in the image or extracted from the image. In one embodiment, the feature data may include relative position information between each feature object corresponding to a predetermined body part. In an embodiment, the feature data may further include relative position information between the same objects in two or more frames having a front-rear relationship.

The controller 170 generates an indicator indicating a feature object among the feature objects included in the second feature data, and a feature object whose relative position information does not coincide with the feature object included in the first feature data, and generates the indicator. The display 180 may be controlled to overlap the captured image.

Referring to FIGS. 6A and 6B, the display 180 may divide and display a screen into two regions. In this case, the display 180 may display the

reference images

610 and 630 in the first area among the two divided areas. In this case, the display 180 may display the captured

images

620 and 640 in the second area of the divided two areas.

In addition, referring to FIG. 6A, the display 180 may superimpose the indicator 622 generated by the controller 170 on the captured image 620. In this case, the display 180 may display the indicator 622 so as to correspond to the position of the feature object included in the second feature data whose position information relative to the feature object included in the first feature data is different.

In addition, referring to FIG. 6B, the display 180 may display the indicator 632 generated by the controller 170 overlapping the reference image 630. In this case, the display 180 may display the indicator 632 so as to correspond to the position of the feature object included in the first feature data having different positional information relative to the feature object included in the second feature data.

The photographing unit may acquire a photographed image photographing the user (S200). The photographing unit may store the photographed image photographing the user in the storage 140 or output it to the controller 170. In addition, the broadcast receiving unit 105 may receive a reference image including the first feature data (S300). The broadcast receiving unit 105 receives a reference image from the broadcasting station 210 or the network server 220 under the control of the controller 170, and stores the received reference image in the storage unit 140 or outputs it to the control unit 170. can do. In addition, the display 180 and the audio output unit 185 may output a captured image and a reference image.

The controller 170 may extract the second feature data from the captured image (S400). The controller 170 may extract the user region by removing noise, which is not related to the user, through edge extraction or pattern extraction from the captured image stored in the storage 140 or output from the photographing unit. In addition, the controller 170 may extract second feature data including relative position information between feature objects corresponding to a body part of the user, from the user region extracted from the captured image.

In addition, the controller 170 may compare the first feature data and the second feature data (S500). The controller 170 may compare the relative position information between the feature objects included in the first feature data and the relative position information between the feature objects included in the second feature data.

In addition, the controller 170 may control the display 180 to display the indicator indicating the comparison result in a superimposed image or reference image (S600). For example, the controller 170 generates an indicator indicating a feature object whose relative position information does not match the feature object included in the first feature data among the feature objects included in the second feature data, and generates the indicator. The display 180 may be controlled to overlap the captured image. In addition, the controller 170 may control the network interface 130 or the external device interface 135 to transmit the comparison result to the external device 230.

Referring to FIGS. 8A and 8B, the display 180 may divide a screen into two regions and display the screen. In this case, the display 180 may display the reference image 710 in the first region of the divided two regions. In this case, the display 180 may display the captured image 720 in the second area of the divided two areas.

In addition, referring to FIG. 8A, the display 180 may superimpose and display the

guide information

724 and 726 generated by the controller 170 on the captured image 720. In this case, the display 180 stores the

guide information

724 and 726 between the feature object included in the first feature data and the position of the feature object included in the second feature data whose position information relative to the feature object is different. I can display it.

Meanwhile, the guide information 724 may reflect a moving direction according to the position of the feature object included in the first feature data and the feature object included in the corresponding second feature data, and the moving direction may be, for example, an arrow. Direction can be indicated. In addition, the guide information 724 may reflect a movement distance according to the position of the feature object included in the first feature data and the feature object included in the corresponding second feature data, and the movement distance may be, for example, the length of the arrow. Or the like. In addition, the guide information 726 may include an image of a feature object included in the first feature data.

In addition, referring to FIG. 8B, the guide information 730 may further include text information regarding a name and a moving direction (and / or a moving distance) of a body part representing a feature object included in the second feature data. have. In this case, the display 180 may display the guide information 730 on the screen, and the audio output unit 185 may output the guide information 730 as a voice.

Since the description of the 200 th through 600 th steps may be the same as the description of the 200 th through 600 th steps of FIG. 7, the description thereof will be omitted.

The controller 170 may generate guide information based on a comparison result of the first feature data and the second feature data (S710). The controller 170 may identify a feature object from which feature information included in the first feature data does not match relative position information among feature objects included in the second feature data. Also, the controller 170 may move the identified feature object to the corresponding feature object based on a difference (including a direction or a distance) of position information of the identified feature object and the corresponding feature object in the first feature data. Guide information may be generated.

The guide information may include information about a direction or distance for moving the body part of the user corresponding to the feature object to the position of the corresponding body part included in the feature data of the reference image. For example, the guide information may include information for correcting the posture of the user included in the captured image to the posture of the user included in the reference image.

The display 180 or the audio output unit 185 may output the guide information generated by the controller 170 (S720). The display 180 may visually output the superimposed guide information on the captured image. In addition, the audio output unit 185 may acoustically output the guide information.

Referring to FIGS. 10A and 10B, the display 180 may divide a screen into two regions and display the screen. In this case, the display 180 may display the reference image 810 in the first region of the divided two regions. In this case, the display 180 may display the captured image 820 in the second area of the divided two areas.

Referring to FIG. 10A, if the feature data included in each of the reference image and the captured image do not match, the controller 170 may generate a message 830 indicating that the operation does not match. The display 180 may display the message 830 on the screen, and the audio output unit 185 may output the message 830 as a voice.

Referring to FIG. 10 (b), if the feature data included in each of the reference image and the captured image match, the controller 170 may generate a message 840 indicating that the operation matches. The display 180 may display the message 840 on the screen, and the audio output unit 185 may output the message 840 as a voice.

The controller 170 may determine whether the feature data match by comparing the first feature data and the second feature data (S810). The controller 170 compares the relative position information between the feature objects included in the first feature data and the relative position information between the feature objects included in the second feature data, and based on whether the relative position information matches. It may be determined whether the feature data match.

When the first feature data and the second feature data do not match in operation 810, the controller 170 generates a message indicating that the operation does not match, and displays the generated message on the display 180 or the audio output unit 185. ) May be controlled to output (S820).

When the first feature data and the second feature data match in operation 810, the controller 170 generates a message indicating that the operations match, and displays the generated message by the display 180 or the audio output unit 185. It may be controlled to output (S830).

Referring to FIGS. 12A and 12B, the display 180 may divide a screen into two regions and display the screen. In this case, the display 180 may display the reference image 910 in the first area of the two divided areas. In this case, the display 180 may display the captured image 920 in the second area of the divided two areas.

The controller 170 may measure the amount of exercise based on the feature data included in the captured image 920 or the feature data included in the reference image 910. The progression exercise amount may mean a calorie consumed by the exercise until the user starts the exercise and the exercise amount is measured. In addition, the controller 170 may control the display 180 or the audio output unit 185 to output the progress momentum, or the network interface unit 130 or the external device interface unit 135 may output the progress momentum to the external device 230. It may also be controlled to transmit to.

The storage unit 140 may store the target exercise amount, and the controller 170 may control the display 180 or the audio output unit 185 to output the target exercise amount. The target exercise amount may mean a calorie amount that the user should consume for a predetermined period of time.

Referring to FIG. 12A, the controller 170 measures the amount of exercise in progress, and the display 180 may display information 930 on the amount of exercise in the screen, and the audio output unit 185 may measure the amount of exercise in progress. Information 930 may be output as voice.

Referring to FIG. 12B, the controller 170 measures the progression exercise amount, and the storage 140 stores the target exercise amount. The display 180 may display information 940 on the progression exercise and the target exercise amount on the screen, and the audio output unit 185 may output information 940 on the progression exercise and the target exercise quantity as a voice.

The controller 170 may measure the amount of progression based on the feature data included in the captured image or the feature data included in the reference image (S910). For example, the feature data included in the reference image may include the type of exercise, and the controller 170 may determine the type of exercise from the feature data included in the captured image. In addition, the controller 170 may measure the amount of calories consumed by the exercise after receiving a progression exercise, for example, after receiving the reference image or after obtaining the captured image, based on the type of exercise. In addition, the storage 140 may store information about the weight of the user, and the controller 170 may measure the amount of progression based on the information about the weight of the user.

In addition, the controller 170 may control the display 180 or the audio output unit 185 to output information about the progression exercise amount, or the network interface unit 130 or the external device interface unit 135 may perform the information on the progression exercise amount. It may be controlled to transmit to the external device 230 (S920).

The controller 170 may measure the progression exercise amount based on the feature data included in the captured image or the feature data included in the reference image, and may obtain a target exercise amount of the user from the storage 140 (S1010). In addition, the controller 170 may control the display 180 or the audio output unit 185 to output information about the progression exercise amount and the target exercise amount, or the network interface unit 130 or the external device interface unit 135 may perform the progression exercise amount. And transmitting information about the target exercise amount to the external device 230 (S1020). In this case, the display 180 may display information about the progression exercise information and the target exercise amount together on the screen.

Referring to FIG. 15, the display 180 may divide a screen into two areas and display the screen. In this case, the display 180 may display the reference image 1010 in the first region of the divided two regions. In addition, in this case, the display 180 may display the captured image 1020 in the second area among the two divided areas.

The controller 170 generates a notification message when the progress exercise amount reaches the target exercise amount, and controls the display 180 or the audio output unit 185 to output the notification message or the network interface unit 130 or the external device interface. The unit 135 may control to transmit the notification message to the external device.

Referring to FIG. 15, the controller 170 compares the measured progress exercise amount with the target exercise amount stored in the storage 140, and when the progress exercise amount reaches the target exercise amount, the controller 170 displays a notification message 1030 indicating that the goal has been reached. Can be generated. The display 180 may display the notification message 1030 on the screen, and the audio output unit 185 may output the notification message 1030 as a voice.

The controller 170 may measure the progression exercise amount based on the feature data included in the captured image or the feature data included in the reference image, and may obtain a target exercise amount of the user from the storage 140. In addition, the controller 170 may determine whether the amount of exercise reaches the target amount of exercise by comparing the measured amount of exercise with the target amount of exercise (S1110).

In the case where the progressed exercise amount reaches the target exercise amount in step 1120, for example, when the progressed exercise amount is greater than or equal to the target exercise amount, the controller 170 generates a notification message indicating that the progressed exercise amount has reached the target exercise amount, The display 180 may control to display the notification message on the screen or control the audio output unit 185 to output the notification message as a voice. Alternatively, the controller 170 may control the network interface 130 or the external device interface 135 to transmit a notification message to the external device.

Also, in step 1120, when the progression exercise amount does not reach the target exercise amount, for example, when the progress exercise amount is smaller than the target exercise amount, the controller 170 re-measures the progress exercise amount and uses the remeasured amount of exercise amount as the target exercise amount. Can be compared with

Referring to FIG. 17A, the broadcast receiver 105 may acquire a broadcast image, and the display 180 may output the broadcast image. In this case, the broadcast image may include the content 1110, and the controller 170 may obtain health information related to the content, for example, information about calories, from the metadata of the content 1110. The display 180 may display health information 1120 related to the content on the screen. The health information 1120 related to the content may further include dietary information of the user, for example, a target intake amount, a daily intake amount, and the like, and may further include information about a recommended exercise program according to the content. The health information 1120 related to the content may further include an object 1122 configured to call a function of receiving a reference image reflecting the recommended exercise program. When the object 1122 is selected, the captured image and the reference image are received, and the user may perform an operation according to the feature data according to the recommended exercise program.

Referring to FIG. 17B, the broadcast receiver 105 may acquire a broadcast image, and the display 180 may output the broadcast image. In this case, the broadcast image may include the content 1110, and the controller 170 may obtain health information related to the content, for example, information about calories, from the metadata of the content 1110. The display 180 may display health information 1130 related to the content on the screen. The health information 1130 related to the content may further include user's exercise information, for example, a target exercise amount, a daily exercise amount, and the like, and may further include information about a recommended exercise program according to the content. The health information 1130 related to the content may further include an object 1132 configured to call a function of receiving a reference image reflecting the recommended exercise program. When the object 1132 is selected, the captured image and the reference image are received, and the user may perform an operation according to the feature data according to the recommended exercise program.

The broadcast receiving unit 105 may receive a broadcast image (S112). The display 180 and the audio output unit 185 may output the received broadcast image. In addition, the controller 170 may obtain health information related to the content included in the broadcast image based on the metadata included in the broadcast image, and control the display 180 to output the checked health information (S114). ). In addition, the network interface unit 130 may transmit health information to the network server 220 or the external device 230 (S116).

However, in operation 300, the broadcast receiving unit 105 may receive a reference image including the first characteristic data based on the health information from the network server 220 (S300). The first characteristic data may reflect exercise prescription information generated according to the health information.

Referring to FIG. 19A, when the connection with the external device 230 is detected through the network interface 130 or the external device interface 135, the display 180 displays user information 1210. can do. The user information 1210 may include identification information of the external device 230, identification information of the user, and health information of the user. The health information of the user may include a user's goal, daily intake, exercise amount, and the like.

Referring to FIG. 19B, when the face region of the user is detected through the photographing unit, the display 180 may display

user information

1220 and 1230. User information 1220 may include an image (virtual or real image) identifying the user. In addition, the user information 1230 may include identification information of the user and health information of the user. The health information of the user may include a user's goal, daily intake, exercise amount, and the like.

The network interface unit 130 or the external device interface unit 135 may monitor the connection with the external device 230 (S122). For example, the network interface unit 130 may monitor a connection with the external device 230 through Wi-Fi, Bluetooth, ZigBee, or the like. In addition, the external device interface unit 135 may monitor the connection with the external device 230 through USB, Firewire, and the like.

In step 124, when the connection with the external device 230 is detected, the controller 170 may obtain identification information of the external device 230 connected from the network interface unit 130 or the external device interface unit 135. There is (S126). The identification information of the external device 230 may include a device ID, a MAC address or an IP address.

In addition, the controller 170 may identify the user based on the identification information of the external device 230 (S128). The storage 140 may store health information including identification information of the external device, identification information of the user, dietary information of the user, exercise information, and the like. The controller 170 may check the identification information of the user and the health information of the user corresponding to the identification information of the external device 230.

The photographing unit may acquire a photographed image photographing the user (S200). In addition, the controller 170 may detect a face region of the user through edge extraction or pattern extraction from the captured image (S210).

In addition, the controller 170 may identify the user based on the detected face area (S220). The storage 140 may store health information including information on a face area of the user, identification information of the user, dietary information of the user, exercise information, and the like. The controller 170 may check the identification information of the corresponding user and the health information of the user by comparing the detected face area with edges or patterns extracted from the face area of the user stored in the storage 140.

Since the description of the steps 300 to 600 may be the same as the description of the steps 300 to 600 of FIG. 7, the description thereof will be omitted.

Referring to FIG. 22, the display 180 may display content 1300 included in a broadcast image. When the content 1300 included in the broadcast image is advertising content, the display 180 may display an object 1310 for checking whether the exercise is performed. The object 1310 confirming whether the exercise is performed may include an object 1312 configured to call a function of receiving a reference image reflecting exercise prescription information included in the exercise schedule of the user. When the object 1312 is selected, the captured image and the reference image are received, and the user may perform an operation according to the reference image reflecting the exercise prescription information included in the exercise schedule of the user.

The broadcast receiving unit 105 receives a broadcast image (S132), and the controller 170 outputs the broadcast image received through the display 180 and the audio output unit 185, and the controller 170 receives the received broadcast image. The type of the content being output through the display 180 and the audio output unit 185 is determined based on the metadata included in the. The controller 170 may monitor whether the type of the content being output through the display 180 and the audio output unit 185 is advertisement content (S134).

In operation 134, when the type of the output content is the advertisement content, the photographing unit acquires a photographed image photographing the user in operation S200. Since the description of the steps 300 to 600 may be the same as the description of the steps 300 to 600 of FIG. 7, the description thereof will be omitted.

The mobile terminal described herein transmits and receives text messages as well as mobile phones, such as smart phones, laptop computers, digital broadcasting terminals, PDAs (Personal Digital Assistants), Portable Multimedia Players (PMPs), navigation devices, and the like. It can be any terminal that can do it.

In addition, the image display apparatus and the image display method described herein is not limited to the configuration and method of the embodiments described as described above, the embodiments of the embodiments can be modified in various ways All or part may be optionally combined.

On the other hand, the image display method of the image display device described herein can be implemented as a processor-readable code on a processor-readable recording medium provided in the image display device. The processor-readable recording medium includes all kinds of recording devices that store data that can be read by the processor. Examples of the processor-readable recording medium include ROM, RAM, CD-ROM, magnetic tape, floppy disk, optical data storage device, and the like, and may also be implemented in the form of a carrier wave such as transmission over the Internet. . The processor-readable recording medium can also be distributed over network coupled computer systems so that the processor-readable code is stored and executed in a distributed fashion.

Here, the terms or words used in the present specification and claims should not be construed as being limited to ordinary or dictionary meanings, but should be construed as meanings and concepts corresponding to the technical idea according to the embodiments of the present invention. Therefore, the embodiments described in the specification and the drawings shown in the drawings are only one embodiment of the present invention, and do not represent all of the technical spirit of the embodiments of the present invention, these are replaced at the time of the present application It should be understood that there may be various equivalents and variations that can be made.

Claims

A photographing unit obtaining a photographed image of the user;

A communication unit which receives a reference image including first feature data;

An output unit configured to output the captured image and the reference image; And

Extracting second feature data from the captured image, comparing the first feature data with the second feature data, and controlling the output unit to display an indicator indicating the comparison result superimposed on the captured image or the reference image. And a control unit to control the video display device.
The method of claim 1, wherein the output unit,

And displaying the captured image and the reference image at the same time.
The method of claim 1, wherein the output unit,

And displaying the captured image and the reference image.
The method of claim 1, wherein the output unit,

And displaying the captured image and the reference image in a picture in picture (PIP) manner.
The method of claim 1, wherein the output unit,

And displaying the captured image and the reference image on each divided area of the screen.
The method of claim 1, wherein the control unit,

And the communication unit controls to transmit the comparison result to an external device.
The method of claim 1, wherein the control unit,

And generate guide information based on the comparison result, and control the output unit to output the guide information.
The method of claim 7, wherein the guide information,

And a posture correction information.
The method of claim 7, wherein the guide information,

And information about a moving direction and / or a moving distance of the body part of the user.
The method of claim 1, wherein the control unit,

And comparing the first feature data and the second feature data to determine whether they match, and controlling the output unit to output a message indicating the match.
The method of claim 1, wherein the control unit,

Measure the moving exercise amount of the user based on the first feature data or the second feature data, and control the output unit to output the moving exercise amount or control the communication unit to transmit the moving exercise amount to an external device. Video display equipment.
The method of claim 11, further comprising a storage unit for storing the target exercise amount of the user,

The control unit,

And the output unit controls the output of the target exercise amount.
The method of claim 12, wherein the control unit,

And the output unit controls the output unit to output a notification message when the progress exercise amount reaches the target exercise amount, or controls the communication unit to transmit the notification message to an external device.
The method of claim 1, wherein the communication unit,

Receive broadcast video,

The control unit,

And obtaining the health information related to the content included in the broadcast image, controlling the output unit to output the health information, or controlling the communication unit to transmit the health information to an external device.
The method of claim 1, wherein the communication unit,

Monitor the connection between the image display device and the external device;

The control unit,

When the image display device is connected to the external device, the identification information of the external device is extracted, user information is obtained based on the identification information, and health information of the user is obtained based on the user information. Video display device.
The method of claim 1, wherein the control unit,

And detecting the face region of the user from the captured image, obtaining user information based on the detected face region, and obtaining health information of the user based on the user information.
The method of claim 14 to 16, wherein the communication unit,

And the reference image is received based on the health information.
The method of claim 1, wherein the communication unit,

And receiving the reference video based on the type of content included in the broadcast video.
The method of claim 18, wherein the communication unit,

And the reference image is received when the content included in the broadcast image is an advertisement content.
The method of claim 1, wherein the first feature data,

And the feature data reflecting exercise prescription information for the user.
The exercise prescription information of claim 20, wherein

Image display device characterized in that the exercise prescription information about any one of aerobic, muscular strength and stretching exercises.
The method of claim 1, wherein the comparison result,

And information on a body part of the user that does not coincide in the first feature data and the second feature data.
Obtaining a photographed image of the user;

Receiving a reference image including first feature data;

Outputting the captured image and the reference image;

Extracting second feature data from the captured image;

Comparing the first feature data and the second feature data; And

And displaying an indicator indicating the comparison result by superimposing the indicator on the photographed image or the reference image.