KR20170018562A - Digital device and method of processing data the same - Google Patents

Abstract

A digital device and a method for processing data in the digital device are disclosed herein. Here, in the digital device for processing data according to an exemplary embodiment of the present invention, the digital device includes a receiver for receiving the content, a decoder for decoding the received content, a region of interest (ROI) selection signal of the reproduced content Identifying the region of interest from the image frame of the reproduced content according to the region of interest selection signal, extracting first text data from the identified region of interest, extracting the extracted region of interest, And to display the restored first ROI data on an image frame of the content. The control unit and the display unit control the first ROI data and the second ROI data, respectively.

Description

TECHNICAL FIELD [0001] The present invention relates to a digital device and a method for processing data in the digital device.

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a digital device, and more particularly, to processing of data for content being played back in a digital device.

A mobile device such as a smart phone, a tablet PC, a wearable device and the like, in addition to a standing device such as a personal computer (PC) or a television (TV) Let this snow. Conventionally, the fixed device and the mobile device have conventionally developed their own areas and have been developed individually. However, the area has become obscure due to the recent boom of digital convergence, and various services are provided through data communication with each other ought.

When the content is being played back on a digital device, the user may experience distorted or fast scene changes such as occluded or blind or blurred objects, fast scene change, text size, There are many cases in which the text or the like included in the content being played back is not correctly recognized or missed due to various reasons such as perspectivity, resolution, and color. This inconveniences the user who watches the content, and it can be difficult to accurately understand the content or accurately catch the desired portion.

In order to solve the above inconvenience, the present invention discloses a digital device and a method for processing data in the digital device.

An object of the present invention is to process an image, text, and the like included in the content so that the user can identify the content in a content reproduction process.

Another object of the present invention is to provide data corresponding to the image, text, and the like even when identification of all or a part of images, texts, etc. contained in the content is not easy.

The technical problem to be solved by the present invention is not limited to the above-described technical problems and other technical problems which are not mentioned can be clearly understood by those skilled in the art from the following description .

This document discloses various embodiments (s) of digital devices and processing methods in the digital devices.

A method of processing data in a digital device according to an embodiment of the present invention includes the steps of reproducing content, receiving a region of interest (ROI) selection signal of the reproduced content, Extracting first text data from the identified region of interest; reconstructing image data corresponding to first text data of the extracted ROI into first ROI data; 1 ROI data on an image frame of the content.

In a digital device for processing data according to an exemplary embodiment of the present invention, a digital device for processing data includes a receiver for receiving content, a decoder for decoding the received content, a user for receiving a region of interest (ROI) An interface unit for reproducing the content, identifying the region of interest from an image frame of the reproduced content according to the region of interest selection signal, extracting first text data from the identified region of interest, 1 text data to first ROI data, and to display the restored first ROI data on an image frame of the content, and a display unit.

The technical solutions obtained by the present invention are not limited to the above-mentioned solutions, and other solutions not mentioned are clearly described to those skilled in the art from the following description. It can be understood.

The effects of the present invention are as follows.

According to one embodiment of the various embodiments of the present invention, the digital device has the effect of being able to process the image, text, and the like contained in the content during the reproduction of the content so that the user can identify it.

According to another embodiment of the various embodiments of the present invention, the digital device provides data corresponding to the image, text, and the like even when identification of all or a part of images, text, etc. contained in the content is not easy There is an effect that can be.

The effects obtained by the present invention are not limited to the above-mentioned effects, and other effects not mentioned can be clearly understood by those skilled in the art from the following description will be.

1 schematically illustrates a service system according to an embodiment of the present invention;
2 is a block diagram illustrating a digital device according to one embodiment of the present invention;
FIG. 3 is a block diagram of another configuration or detailed configuration of FIG. 2; FIG.
4 is a block diagram illustrating an external device according to one embodiment of the present invention;
5 is a block diagram illustrating a digital device or external device according to another embodiment of the present invention;
6 illustrates control means for digital device control according to an embodiment of the present invention;
7 is a flowchart of a method of processing image frame data in a digital device according to the present invention;
Figures 8-18 illustrate a method for processing distorted ROI data in an image frame in accordance with the present invention; And
Figures 19 to 21 are flowcharts of a method of processing data in a digital device according to an embodiment of the present invention.

Hereinafter, various embodiments (s) of a digital device and a data processing method in the digital device according to the present invention will be described with reference to the drawings.

The suffix "module "," part ", etc. relating to components used in the present specification are given only for ease of specification, and both may be used as needed. Also, even when described in ordinal numbers such as " 1st ", "2nd ", and the like, it is not limited to such terms or ordinal numbers. In addition, although the terms used in the present specification have been selected from the general terms that are widely used in the present invention in consideration of the functions according to the technical idea of the present invention, they are not limited to the intentions or customs of the artisan skilled in the art, It can be different. However, in certain cases, some terms are arbitrarily selected by the applicant, which will be described in the related description section. Accordingly, it should be understood that the term is to be interpreted based not only on its name but on its practical meaning as well as on the contents described throughout this specification. It is to be noted that the contents of the present specification and / or drawings are not intended to limit the scope of the present invention.

According to the present invention, in accordance with the present invention, a digital device describes a digital device that processes an image, text, and the like included in the content in the course of content reproduction so that the user can identify the content. The digital device can provide data corresponding to the image, text, and the like even when the digital device is not easy to identify all or a part of images, texts, etc. contained in the content. The content includes all kinds of processing, reproduction, provision, and the like in a digital device such as a broadcast program, a still image such as a photograph or a picture, a moving image, a web page, and the like.

As used herein, a " digital device " includes all devices that perform at least one of, for example, receiving, processing, outputting, The digital device can stream or download information about the content or the content through a server such as a broadcasting station, external input, or the like. The digital device can transmit / receive data including the content and the server through a wire / wireless network. The digital device may be either a standing device or a mobile device (handheld device). The fixed device may include a network TV, an HBBTV, a smart TV, an IPTV, a PC, and the like. The mobile device may be a personal digital assistant (PDA), a smart phone, a tablet PC, a notebook, a digital broadcasting terminal, a portable multimedia player (PMP), a navigation, A slate PC, an Ultrabook, a wearable device (e.g., a smart watch, a glass glass, a head mounted display (HMD), etc.) . 2 and 3 are digital TVs, one of the fixed devices, and FIGS. 4 and 5 show mobile terminals and wearable devices (for example, smart watches) as one example of a digital device. And will be described in detail in the corresponding section. In the case where the digital device is a fixed type device, the digital device may be in the form of a sign including only a display panel, or may be set in another configuration, for example, a set-top box (STB) (SET).

On the other hand, the wired / wireless network described herein includes all the hardware and / or software for connection or pairing, data communication, etc. between the server and the digital device described above, It also includes supported and future networks. Meanwhile, the wired / wireless network may support one or more communication protocols for data communication. Such a wired / wireless network includes, for example, a universal serial bus (USB), a composite video banking sync (CVBS), a component, an S-video (analog), a digital visual interface (DVI) (WLAN), Wi-Fi direct, RFID, and the like for a wire connection such as an RGB, a D-SUB, and a communication standard or protocol therefor, (Radio Frequency Identification), Infrared Data Association (IrDA), Ultra Wideband (UWB), ZigBee, DLNA (Digital Living Network Alliance), Wibro (Wireless broadband), Wimax (World Interoperability for Microwave Access) A high speed downlink packet access (HSDPA), a long term evolution (LTE-A), or the like, and a communication standard or protocol for the wireless connection.

On the other hand, a digital device can be a general-purpose OS (Operating System), a web OS (OS), or the like. The digital device can be added by adding various services or applications to a general-purpose OS kernel, a Linux kernel, ), Deleting, amending, updating, etc., thereby providing a more user-friendly environment.

1 is a schematic diagram illustrating a service system according to an embodiment of the present invention.

Referring to FIG. 1, a service system may be basically implemented including a server 105 and a digital TV 110. Here, the digital TV 110 may be replaced with a mobile terminal 120 or a wearable device 130. Alternatively, the service system may further include the mobile terminal 120 or the wearable device 130 in addition to the server 105 and the digital TV 110. On the other hand, the operation of the digital TV 110 can be controlled by a control means such as a dedicated remote controller 115.

In a digital device for processing data according to an exemplary embodiment of the present invention, a digital device for processing data includes a receiver for receiving content, a decoder for decoding the received content, a user for receiving a region of interest (ROI) An interface unit for reproducing the content, identifying the region of interest from an image frame of the reproduced content according to the region of interest selection signal, extracting first text data from the identified region of interest, 1 text data to first ROI data, and to display the restored first ROI data on an image frame of the content, and a display unit.

2 is a block diagram illustrating a digital TV according to an embodiment of the present invention.

The digital TV 200 includes a network interface 201, a TCP / IP manager 202, a service delivery manager 203, an SI decoder 204, A demultiplexer (demux or demultiplexer) 205, an audio decoder 206, a video decoder 207, a display A / V and OSD module 208, a service management manager 209, a service discovery manager 210, an SI & metadata DB 211, a metadata manager 212, a service manager 213, A UI manager 214, and the like.

The network interface unit 201 receives the IP packet (s) (IP packet (s)) or the IP datagram (s) ) From the server 105 or transmits it to the server 105. For example, the network interface unit 201 can receive services, applications, content, and the like from the service provider 20 of FIG. 1 through a network.

The TCP / IP manager 202 analyzes the IP packets received by the digital TV 200 and the IP packets transmitted by the digital TV 200, that is, the packet transfer between the source and the destination packet delivery). The service discovery manager 210, the service control manager 209, the meta data manager 212, the service discovery manager 210, the service control manager 209, and the metadata manager 212. The TCP / IP manager 202 classifies the received packet (s) ) Or the like.

The service delivery manager 203 is responsible for controlling the received service data. For example, the service delivery manager 203 may use RTP / RTCP when controlling real-time streaming data. When the real-time streaming data is transmitted using the RTP, the service delivery manager 203 parses the received data packet according to the RTP and transmits the packet to the demultiplexing unit 205 or the control of the service manager 213 In the SI & meta data database 211. [ Then, the service delivery manager 203 feedbacks the network reception information to the server providing the service using the RTCP.

The demultiplexer 205 demultiplexes the received packets into audio, video, SI (System Information) data, and transmits them to the audio / video decoder 206/207 and the SI decoder 204, respectively.

The SI decoder 204 decodes the demultiplexed SI data, that is, Program Specific Information (PSI), Program and System Information Protocol (PSIP), Digital Video Broadcasting Service Information (DVB-SI), Digital Television Terrestrial Multimedia Broadcasting / Coding Mobile Multimedia Broadcasting). Also, the SI decoder 204 may store the decoded service information in the SI & meta data database 211. The stored service information can be read out and used by the corresponding configuration, for example, by a user's request.

The audio / video decoder 206/207 decodes each demultiplexed audio data and video data. The decoded audio data and video data are provided to the user through the display unit 208. [

The application manager includes, for example, a UI manager 214 and a service manager 213, and can perform functions of a controller of the digital TV 200. [ In other words, the application manager manages the overall state of the digital TV 200, provides a user interface (UI), and can manage other managers.

The UI manager 214 provides a GUI (Graphic User Interface) / UI for a user using an OSD (On Screen Display) or the like, and receives a key input from a user to perform a device operation according to the input. For example, the UI manager 214 receives the key input regarding the channel selection from the user, and transmits the key input signal to the service manager 213.

The service manager 213 controls the manager associated with the service such as the service delivery manager 203, the service discovery manager 210, the service control manager 209, and the metadata manager 212. In addition, the service manager 213 generates a channel map and controls the selection of a channel using the generated channel map according to a key input received from the UI manager 214. [ The service manager 213 receives the service information from the SI decoder 204 and sets an audio / video PID (Packet Identifier) of the selected channel in the demultiplexer 205. The PID thus set can be used in the demultiplexing process described above. Accordingly, the demultiplexer 205 filters (PID or section) audio data, video data, and SI data using the PID.

The service discovery manager 210 provides information necessary for selecting a service provider that provides the service. Upon receiving a signal regarding channel selection from the service manager 213, the service discovery manager 210 searches for the service using the information.

The service control manager 209 is responsible for selection and control of services. For example, the service control manager 209 uses IGMP or RTSP when a user selects a live broadcasting service such as an existing broadcasting system, and selects a service such as VOD (Video on Demand) , RTSP is used to select and control services. The RTSP protocol may provide a trick mode for real-time streaming. Also, the service control manager 209 can initialize and manage a session through the IMS gateway 250 using an IP Multimedia Subsystem (IMS) and a Session Initiation Protocol (SIP). The protocols are one embodiment, and other protocols may be used, depending on the implementation.

The metadata manager 212 manages the metadata associated with the service and stores the metadata in the SI & metadata database 211.

The SI & meta data database 211 stores service information decoded by the SI decoder 204, meta data managed by the meta data manager 212, and information necessary for selecting a service provider provided by the service discovery manager 210 . In addition, the SI & meta data database 211 may store set-up data related to the system and the like. The SI & meta data database 211 may be implemented using a non-volatile RAM (NVRAM) or a flash memory.

Meanwhile, the IMS gateway 250 is a gateway that collects functions necessary for accessing the IMS-based IPTV service.

FIG. 3 is a block diagram of another configuration or detailed configuration of FIG. 2;

3A, the digital TV includes a broadcast receiving unit 305, an external device interface unit 316, a storage unit 318, a user input interface unit 320, a control unit 325, a display unit 330, An output unit 335, a power supply unit 340, and a photographing unit (not shown). The broadcast receiving unit 305 may include at least one tuner 310, a demodulating unit 312, and a network interface unit 314. However, in some cases, the broadcast receiver 305 may include a tuner 310 and a demodulator 312, but may not include the network interface 314, or vice versa. Although not shown, the broadcast receiver 305 includes a multiplexer for receiving a signal demodulated by the demodulator 312 via the tuner 310 and a signal demodulated by the network interface 314, May be multiplexed. In addition, although not shown, the broadcast receiver 305 further includes a demultiplexer to demultiplex the multiplexed signals, or demultiplex the demodulated signals or the signals passed through the network interface unit 314 .

The tuner 310 tunes a channel selected by a user or all pre-stored channels among RF (Radio Frequency) broadcast signals received through an antenna, and receives RF broadcast signals. Also, the tuner 310 converts the received RF broadcast signal into an intermediate frequency (IF) signal or a baseband signal. For example, if the received RF broadcast signal is a digital broadcast signal, the signal is converted into a digital IF signal (DIF). If the received RF broadcast signal is an analog broadcast signal, the signal is converted into an analog baseband image or a voice signal (CVBS / SIF). That is, the tuner 310 can process both a digital broadcast signal and an analog broadcast signal. The analog baseband video or audio signal (CVBS / SIF) output from the tuner 310 may be directly input to the controller 325. [ In addition, the tuner 310 can receive RF broadcast signals of a single carrier or a multiple carrier. Meanwhile, the tuner 310 sequentially tunes and receives RF broadcast signals of all the broadcast channels stored through the channel storage function among the RF broadcast signals received through the antenna, converts the RF broadcast signals into intermediate frequency signals or baseband signals (DIF: Digital Intermediate Frequency or baseband signal).

The demodulator 312 may receive and demodulate the digital IF signal DIF converted by the tuner 310 and perform channel decoding. For this, the demodulator 312 may include a trellis decoder, a de-interleaver, a Reed-Solomon decoder, or a convolution decoder, a deinterleaver, - Solomon decoder and the like. The demodulator 312 can demodulate and decode the channel, and output the stream signal TS. At this time, the stream signal may be a signal in which a video signal, a voice signal, or a data signal is multiplexed. For example, the stream signal may be an MPEG-2 TS (Transport Stream) multiplexed with an MPEG-2 standard video signal, a Dolby AC-3 standard audio signal, or the like. The stream signal output from the demodulation unit 312 may be input to the control unit 325. The control unit 325 controls demultiplexing, video / audio signal processing, and the like, and controls the output of audio through the display unit 330 and the audio output through the audio output unit 335.

The external device interface unit 316 provides an interface environment between the digital TV and various external devices. To this end, the external device interface unit 316 may include an A / V input / output unit (not shown) or a wireless communication unit (not shown). The external device interface unit 316 is connected to the external device interface unit 316 through a communication unit such as a DVD (Digital Versatile Disk), a Blu-ray, a game device, a camera, a camcorder, a computer (notebook), a tablet PC, a smart phone, device, an external device such as a cloud, or the like. The external device interface unit 316 transmits a signal including data such as image, image, and voice input through the connected external device to the control unit 325 of the digital TV. The control unit 325 can control the processed image, video, audio, and the like to be output to the external device to which the data signal is connected. To this end, the external device interface unit 316 may further include an A / V input / output unit (not shown) or a wireless communication unit (not shown).

The A / V input / output section includes a USB terminal, a CVBS (Composite Video Banking Sync) terminal, a component terminal, an S-video terminal (analog), a DVI (digital) Visual Interface) terminal, an HDMI (High Definition Multimedia Interface) terminal, an RGB terminal, a D-SUB terminal, and the like.

The wireless communication unit can perform short-range wireless communication with another digital device. Digital TVs are used for communication such as, for example, Bluetooth, Radio Frequency Identification (RFID), infrared data association (IrDA), Ultra Wideband (UWB), ZigBee, DLNA (Digital Living Network Alliance) Depending on the protocol, it can be networked with other digital devices.

Also, the external device interface unit 316 may be connected to the set-top box (STB) through at least one of the various terminals described above to perform input / output operations with the set-top box (STB). Meanwhile, the external device interface unit 316 may receive an application or an application list in an adjacent external device, and may transmit the received application or application list to the control unit 325 or the storage unit 318.

The network interface unit 314 provides an interface for connecting the digital TV to a wired / wireless network including the Internet network. The network interface unit 314 may include an Ethernet terminal or the like for connection to a wired network and may be a WLAN (Wireless LAN) (Wi- Fi, Wibro (Wireless broadband), Wimax (World Interoperability for Microwave Access), and HSDPA (High Speed Downlink Packet Access) communication standards. The network interface unit 314 can transmit or receive data to another user or another digital device via the network to which it is connected or another network linked to the connected network. Particularly, it is possible to transmit some content data stored in the digital TV to another user registered in advance in the digital TV or a selected user or selected digital device among other digital devices. On the other hand, the network interface unit 314 can access a predetermined web page through the connected network or another network linked to the connected network. That is, it is possible to access a predetermined web page through a network and transmit 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, it can receive contents and related information of movies, advertisements, games, VOD, broadcasting signals, etc., provided from a content provider or a network provider through a network. In addition, it can receive update information and an update file of firmware provided by the network operator. It may also transmit data to the Internet or to a content provider or network operator.

In addition, the network interface unit 314 can select and receive a desired one of the open applications through the network.

The storage unit 318 may store a program for each signal processing and control in the control unit 325 or may store a signal-processed video, audio, or data signal. The storage unit 318 may also function to temporarily store video, audio, or data signals input from the external device interface unit 316 or the network interface unit 314. The storage unit 318 can store information on a predetermined broadcast channel through the channel memory function. The storage unit 318 may store a list of applications or applications input from the external device interface unit 316 or the network interface unit 314. [ In addition, the storage unit 318 may store various platforms described later. The storage unit 318 may be a flash memory type, a hard disk type, a multimedia card micro type, a card type memory (for example, SD or XD Memory, etc.), RAM (RAM), and ROM (EEPROM, etc.). The digital TV can reproduce and provide a content file (a moving image file, a still image file, a music file, a document file, an application file, etc.) stored in the storage unit 318 to a user. FIG. 3A illustrates an embodiment in which the storage unit 318 is provided separately from the control unit 325, but the present invention is not limited thereto. In other words, the storage unit 318 may be included in the control unit 325.

The user input interface unit 320 transfers a signal input by the user to the control unit 325 or a signal from the control unit 325 to the user. For example, the user input interface unit 320 may control power on / off, channel selection, screen setting, and the like from the remote control device 345 according to various communication methods such as an RF communication method and an infrared (IR) Or to process the signal to send the control signal of the control unit 325 to the remote control device 345. [ The user input interface unit 320 may transmit 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 control unit 325. The user input interface unit 320 transmits a control signal input from a sensing unit (not shown) that senses a gesture of a user to the control unit 325 or transmits a signal of the control unit 325 to a sensing unit (Not shown). Here, the sensing unit (not shown) may include a touch sensor, an audio sensor, a position sensor, an operation sensor, and the like.

The control unit 325 demultiplexes the streams input through the tuner 310, the demodulation unit 312 or the external device interface unit 316 or processes the demultiplexed signals to generate a signal for video or audio output And can output. The video signal processed by the control unit 325 may be input to the display unit 330 and displayed as an image corresponding to the video signal. The video signal processed by the control unit 325 may be input to the external output device through the external device interface unit 316. The audio signal processed by the control unit 325 may be output to the audio output unit 335 through audio. The voice signal processed by the control unit 325 may be input to the external output device through the external device interface unit 316. [ Although not shown in FIG. 3A, the control unit 325 may include a demultiplexing unit, an image processing unit, and the like. The control unit 325 can control the overall operation of the digital TV. For example, the control unit 325 may control the tuner 310 to control tuning of a RF broadcast corresponding to a channel selected by the user or a previously stored channel. The control unit 325 can control the digital TV by a user command or an internal program input through the user input interface unit 320. [ In particular, the user can access the network and download a list of applications or applications desired by the user to the digital TV. For example, the control unit 325 controls the tuner 310 so that a signal of a selected channel is inputted according to a predetermined channel selection command received through the user input interface unit 320. And processes video, audio or data signals of the selected channel. The control unit 325 allows the display unit 330 or the audio output unit 335 to output the video or audio signal processed by the user through the channel information selected by the user. The control unit 325 may be connected to an external device input through the external device interface unit 316, for example, a camera or a camcorder, according to an external device video playback command received through the user input interface unit 320. [ So that a video signal or a voice signal of the display unit 330 or the audio output unit 335 can be output. On the other hand, the control unit 325 can control the display unit 330 to display an image. For example, a broadcast image input through the tuner 310, an external input image input through the external device interface unit 316, an image input through the network interface unit, or an image stored in the storage unit 318 , And display on the display unit 330. At this time, the image displayed on the display unit 330 may be a still image or a moving image, and may be a 2D image or a 3D image. Also, the control unit 325 can control to reproduce the content. The content at this time may be content stored in the digital TV, received broadcast content, or external input content input from the outside. The content may be at least one of a broadcast image, an external input image, an audio file, a still image, a connected web screen, and a document file. On the other hand, when entering the application view item, the control unit 325 can control to display a list of applications or applications that can be downloaded from the digital TV or from an external network. The control unit 325, in addition to various user interfaces, can control to install and drive an application downloaded from the external network. In addition, it is possible to control the display unit 330 to display an image related to the executed application by the user's selection.

Although not shown in the figure, the digital TV may further include a channel browsing processing unit for generating a channel signal or a thumbnail image corresponding to an external input signal. The channel browsing processing unit receives a stream signal TS output from the demodulating unit 312 or a stream signal output from the external device interface unit 316 and extracts an image from an input stream signal to generate a thumbnail image . The generated thumbnail image can be directly or encoded and input to the controller 325. The generated thumbnail image may be encoded in a stream format and input to the control unit 325. The control unit 325 can display a thumbnail list having a plurality of thumbnail images on the display unit 330 using the input thumbnail images. On the other hand, the thumbnail images in this thumbnail list can be updated in sequence or simultaneously. Accordingly, the user can easily grasp the contents of a plurality of broadcast channels.

The display unit 330 converts an image signal, a data signal, an OSD signal processed by the control unit 325 or a video signal and a data signal received from the external device interface unit 316 into R, G, and B signals, respectively Thereby generating a driving signal. The display unit 330 may be a PDP, an LCD, an OLED, a flexible display, a 3D display, or the like. On the other hand, the display unit 330 may be configured as a touch screen and used as an input device in addition to the output device. The audio output unit 335 receives a signal processed by the control unit 325, for example, a stereo signal, a 3.1-channel signal, or a 5.1-channel signal, and outputs it as a voice. The audio output unit 335 may be implemented by various types of speakers.

In order to detect the user's gesture, a sensing unit (not shown) having at least one of a touch sensor, a voice sensor, a position sensor, and an operation sensor may be further included in the digital TV, as described above. A signal sensed by a sensing unit (not shown) may be transmitted to the control unit 325 through the user input interface unit 320. On the other hand, a photographing unit (not shown) for photographing a user may be further provided. The image information photographed by the photographing unit (not shown) may be input to the control unit 325. [ The control unit 325 may sense the gesture of the user by respectively combining the images photographed by the photographing unit (not shown) or the signals sensed by the sensing unit (not shown).

The power supply unit 340 supplies the corresponding power source throughout the digital TV. Particularly, it is possible to supply power to a control unit 325 that can be implemented in the form of a system on chip (SoC), a display unit 380 for displaying an image, and an audio output unit 335 for audio output . To this end, the power supply unit 340 may include a converter (not shown) for converting the AC power to the DC power. For example, when the display unit 380 is implemented as a liquid crystal panel having a plurality of backlight lamps, an inverter (not shown) capable of PWM (Pulse Width Modulation) operation for variable luminance or dimming driving and an inverter (not shown).

The remote control device 345 transmits the user input to the user input interface unit 320. To this end, the remote control device 345 can use Bluetooth, RF (radio frequency) communication, infrared (IR) communication, UWB (Ultra Wideband), ZigBee, or the like. The remote control device 345 may receive the video, audio, or data signal output from the user input interface 320 and display it on the remote control device 345 or output voice or vibration.

The digital TV described above may be a digital broadcast receiver capable of processing digital broadcast signals of a fixed or mobile ATSC scheme or DVB scheme. In addition, the digital TV according to the present invention may further include a configuration which is not shown or which is not reversed, as needed, among the configurations shown. On the other hand, the digital TV does not have a tuner and a demodulator but may receive and reproduce the content through the network interface unit or the external device interface unit.

3B, an example of the control unit includes a demultiplexer 350, an image processor, an OSD generator 366, a mixer 370, a frame rate converter (FRC) 380 ), And a formatter 390, as shown in FIG. The control unit may further include a voice processing unit and a data processing unit.

The demultiplexer 350 demultiplexes the input stream. For example, the demultiplexer 350 can demultiplex the received MPEG-2 TS video, audio, and data signals. Here, the stream signal input to the demultiplexer 350 may be a stream signal output from a tuner, a demodulator, or an external device interface.

The image processing unit performs image processing of the demultiplexed video signal. To this end, the image processing unit may include a video decoder 362 and a scaler 364. The video decoder 362 decodes the demultiplexed video signal, and the scaler 364 scales the decoded video signal so that the resolution of the decoded video signal can be output from the display unit. The video decoder 362 may support various standards. For example, the video decoder 362 performs the function of the MPEG-2 decoder when the video signal is encoded in the MPEG-2 standard, and the video decoder 362 encodes the video signal in the DMB (Digital Multimedia Broadcasting) It can perform the function of the H.264 decoder. On the other hand, the video signal decoded by the image processing unit is input to the mixer 370.

The OSD generating unit 366 generates OSD data according to a user input or by itself. For example, the OSD generating unit 366 generates data for displaying various data in the form of graphic or text on the screen of the display unit based on the control signal of the user input interface unit. The generated OSD data includes various data such as a user interface screen of a digital TV, various menu screens, a widget, an icon, and viewing rate information. The OSD generation unit 366 may generate data for displaying broadcast information based on the caption of the broadcast image or the EPG.

The mixer 370 mixes the OSD data generated by the OSD generating unit 366 and the image signal processed by the image processing unit and provides the mixed signal to the formatter 390. Since the decoded video signal and the OSD data are mixed, the OSD is overlaid on the broadcast image or the external input image.

A frame rate converter (FRC) 380 converts a frame rate of an input image. For example, the frame rate conversion unit 380 may convert the frame rate of the input 60 Hz image to have a frame rate of 120 Hz or 240 Hz, for example, in accordance with the output frequency of the display unit. As described above, there are various methods for converting the frame rate. For example, when the frame rate is changed from 60 Hz to 120 Hz, the frame rate conversion unit 380 may insert the same first frame between the first frame and the second frame, Three frames can be inserted. As another example, when converting the frame rate from 60 Hz to 240 Hz, the frame rate conversion unit 380 may insert and convert three or more identical frames or predicted frames between existing frames. On the other hand, when the frame conversion is not performed, the frame rate conversion unit 380 may be bypassed.

The formatter 390 changes the output of the input frame rate converter 380 to match the output format of the display unit. For example, the formatter 390 may output R, G, and B data signals, and the R, G, and B data signals may be output as low voltage differential signals (LVDS) or mini-LVDS . If the output of the input frame rate converter 380 is a 3D video signal, the formatter 390 may configure and output the 3D format according to the output format of the display unit to support the 3D service through the display unit.

On the other hand, the voice processing unit (not shown) in the control unit can perform the voice processing of the demultiplexed voice signal. Such a voice processing unit (not shown) may support processing various audio formats. For example, even when a voice signal is coded in a format such as MPEG-2, MPEG-4, AAC, HE-AAC, AC-3, or BSAC, a corresponding decoder can be provided. In addition, the voice processing unit (not shown) in the control unit can process the base, the treble, the volume control, and the like. A data processing unit (not shown) in the control unit can perform data processing of the demultiplexed data signal. For example, the data processing unit can decode the demultiplexed data signal even when it is coded. Here, the encoded data signal may be EPG information including broadcast information such as a start time and an end time of a broadcast program broadcasted on each channel.

Meanwhile, the above-described digital TV is an example according to the present invention, and each component can be integrated, added, or omitted according to specifications of a digital TV actually implemented. That is, if necessary, two or more components may be combined into one component, or one component may be divided into two or more components. In addition, the functions performed in each block are intended to illustrate the embodiments of the present invention, and the specific operations and devices thereof do not limit the scope of rights of the present invention. On the other hand, the digital TV may be a video signal processing device that performs signal processing of an image stored in the device or an input image. Other examples of the video signal processing device include a set-top box (STB) excluding the display portion 330 and the audio output portion 335 shown in Fig. 3A, the DVD player, the Blu-ray player, Etc. can be further exemplified.

4 is a block diagram illustrating a mobile terminal according to an embodiment of the present invention.

4, the mobile terminal 400 includes a wireless communication unit 410, an A / V input unit 420, a user input unit 430, a sensing unit 440, an output unit 450, A memory 460, an interface unit 470, a control unit 480, a power supply unit 490, and the like.

The wireless communication unit 410 may include one or more modules that enable wireless communication between the mobile terminal 400 and a wireless communication system or between a mobile terminal and a network in which the mobile terminal is located. For example, the wireless communication unit 410 may include a broadcast receiving module 411, a mobile communication module 412, a wireless Internet module 413, a short distance communication module 414, a location information module 415, .

The broadcast receiving module 411 receives broadcast signals and / or broadcast related information from an external broadcast management server through a broadcast channel. Here, the broadcast channel may include a satellite channel and a terrestrial channel. The broadcast management server may refer to a server for generating and transmitting broadcast signals and / or broadcast related information, or a server for receiving broadcast signals and / or broadcast related information generated by the broadcast management server and transmitting the generated broadcast signals and / or broadcast related information. The broadcast signal may include a TV broadcast signal, a radio broadcast signal, a data broadcast signal, and a broadcast signal in which a data broadcast signal is combined with a TV broadcast signal or a radio broadcast signal. The broadcast-related information may include information related to a broadcast channel, a broadcast program, or a broadcast service provider. The broadcast-related information may also be provided through a mobile communication network. In this case, it can be received by the mobile communication module 412. The broadcast-related information may include, for example, data for generating and outputting an EPG (Electronic Program Guide) or an ESG (Electronic Service Guide) in the mobile terminal 400. The broadcast receiving module 411 may be an ATSC, a Digital Video Broadcasting-Terrestrial (DVB-T), a Satellite DVB-S (Satellite), a MediaFLO (Media Forward Link Only), a DVB- And Integrated Services Digital Broadcast-Terrestrial (DRS). Of course, the broadcast receiving module 411 may be configured to be suitable for other digital broadcasting systems as well as the digital broadcasting system described above. The broadcast signal and the broadcast related information received through the broadcast receiving module 411 may be stored in the memory 460.

The mobile communication module 412 transmits and receives radio signals to at least one of a base station, an external terminal, and a server on a mobile communication network. The wireless signal may include various types of data depending on a voice signal, a video call signal, or a text / multimedia message transmission / reception.

The wireless Internet module 413 may be embedded in or enclosed in the mobile terminal 400, including a module for wireless Internet access. WLAN (Wi-Fi), Wibro (Wireless broadband), Wimax (World Interoperability for Microwave Access), HSDPA (High Speed Downlink Packet Access) and the like can be used as wireless Internet technologies.

The short-range communication module 414 is a module for short-range communication. Bluetooth, radio frequency identification (RFID), infrared data association (IrDA), ultra wideband (UWB), ZigBee, RS-232, and RS-385 are used as short range communication technology. .

The position information module 415 is a module for acquiring position information of the mobile terminal 400, and may be a GPS (Global Position System) module.

The A / V input unit 420 is for inputting audio and / or video signals. The A / V input unit 420 may include a camera 421, a microphone 422, and the like. The camera 421 processes an image frame such as a still image or a moving image obtained by the image sensor in the video communication mode or the photographing mode. The processed image frame can be displayed on the display unit 451. [

The image frame processed by the camera 421 can be stored in the memory 460 or transmitted to the outside through the wireless communication unit 410. [ At least two cameras 421 may be provided depending on the use environment.

The microphone 422 receives an external sound signal by a microphone in a communication mode, a recording mode, a voice recognition mode, or the like, and processes it as electrical voice data. The processed voice data can be converted into a form that can be transmitted to the mobile communication base station through the mobile communication module 412 in the case of the communication mode and output. The microphone 422 may be implemented with various noise reduction algorithms for eliminating noise generated in the process of receiving an external sound signal.

The user input unit 430 generates input data for the user's operation control of the terminal. The user input unit 430 may include a key pad, a dome switch, a touch pad (static / static), a jog wheel, a jog switch, and the like.

The sensing unit 440 senses the current state of the mobile terminal 400 such as the open / close state of the mobile terminal 400, the location of the mobile terminal 400, the presence of the user, the orientation of the mobile terminal, And generates a sensing signal for controlling the operation of the mobile terminal 400. For example, when the mobile terminal 400 is moved or tilted, it can sense the position, inclination, and the like of the mobile terminal. It is also possible to sense whether power is supplied to the power supply unit 490, whether an external device of the interface unit 470 is coupled, and the like. Meanwhile, the sensing unit 440 may include a proximity sensor 341 including NFC (Near Field Communication).

The output unit 450 may include a display unit 451, an acoustic output module 452, an alarm unit 453, and a haptic module 454 to generate an output related to visual, auditory, have.

The display unit 451 displays (outputs) information processed by the mobile terminal 400. [ For example, when the mobile terminal is in the call mode, a UI or GUI associated with the call is displayed. When the mobile terminal 400 is in the video communication mode or the photographing mode, the photographed and / or received video or UI and GUI are displayed.

The display unit 451 may be a liquid crystal display (LCD), a thin film transistor-liquid crystal display (TFT LCD), an organic light-emitting diode (OLED) flexible display, and a three-dimensional display.

Some of these displays may be transparent or light transmissive so that they can be seen through. This can be referred to as a transparent display, and a typical example of the transparent display is TOLED (Transparent OLED) and the like. The rear structure of the display unit 451 may also be of a light transmission type. With this structure, the user can see the object located behind the terminal body through the area occupied by the display unit 451 of the terminal body.

There may be two or more display units 451 according to the embodiment of the mobile terminal 400. [ For example, in the mobile terminal 400, a plurality of display units may be spaced apart from one another or may be disposed integrally with each other, or may be disposed on different surfaces.

The display unit 451 may be provided with an input device other than the output device in a case where the display unit 451 and the sensor for sensing the touch operation (hereinafter, referred to as 'touch sensor' It can also be used as a device. The touch sensor may have the form of, for example, a touch film, a touch sheet, a touch pad, or the like.

The touch sensor may be configured to convert a change in a pressure applied to a specific portion of the display portion 451 or a capacitance generated in a specific portion of the display portion 451 to an electrical input signal. The touch sensor can be configured to detect not only the position and area to be touched but also the pressure at the time of touch.

If there is a touch input associated with the touch sensor, the corresponding signal (s) is sent to the touch controller. The touch controller processes the signal (s) and transmits the corresponding data to the controller 480. Thus, the control unit 480 can know which area of the display unit 451 is touched or the like.

A proximity sensor 441 may be disposed in the inner area of the mobile terminal or in proximity to the touch screen, which is enclosed by the touch screen. The proximity sensor refers to a sensor that detects the presence or absence of an object approaching a predetermined detection surface or a nearby object without mechanical contact using the force of an electromagnetic field or infrared rays. The proximity sensor has a longer life span than the contact sensor and its utilization is also high.

Examples of the proximity sensor include a transmission type photoelectric sensor, a direct reflection type photoelectric sensor, a mirror reflection type photoelectric sensor, a high frequency oscillation type proximity sensor, a capacitive proximity sensor, a magnetic proximity sensor, and an infrared proximity sensor. And to detect the proximity of the pointer by the change of the electric field along the proximity of the pointer when the touch screen is electrostatic. In this case, the touch screen (touch sensor) may be classified as a proximity sensor.

Hereinafter, for convenience of explanation, the act of recognizing that the pointer is positioned on the touch screen while the pointer is not in contact with the touch screen is referred to as "proximity touch & The act of actually touching the pointer on the screen is called "contact touch. &Quot; The position where the pointer is proximately touched on the touch screen means a position where the pointer is vertically corresponding to the touch screen when the pointer is touched.

The proximity sensor detects a proximity touch and a proximity touch pattern (e.g., a proximity touch distance, a proximity touch direction, a proximity touch speed, a proximity touch time, a proximity touch position, a proximity touch movement state, and the like). Information corresponding to the detected proximity touch operation and the proximity touch pattern may be output on the touch screen.

The audio output module 452 can output audio data received from the wireless communication unit 410 or stored in the memory 460 in a call signal reception mode, a call mode or a recording mode, a voice recognition mode, a broadcast reception mode, The sound output module 452 also outputs sound signals related to functions (e.g., call signal reception sound, message reception sound, etc.) performed on the mobile terminal 400. [ The sound output module 452 may include a receiver, a speaker, a buzzer, and the like.

The alarm unit 453 outputs a signal for notifying the occurrence of an event of the mobile terminal 400. Examples of events that occur in the mobile terminal include call signal reception, message reception, key signal input, touch input, and the like. The alarm unit 453 may output a signal for informing occurrence of an event in a form other than a video signal or an audio signal, for example, vibration. The video signal or the audio signal may be output through the display unit 451 or the audio output module 452 so that they may be classified as a part of the alarm unit 453. [

The haptic module 454 generates various tactile effects that the user can feel. A typical example of the haptic effect generated by the haptic module 454 is vibration. The intensity and pattern of the vibration generated by the haptic module 454 are controllable. For example, different vibrations may be synthesized and output or sequentially output. In addition to vibration, the haptic module 454 can be used for a variety of applications including, but not limited to, a pin arrangement vertically moving with respect to the contact skin surface, a spraying force or suction force of the air through the injection port or the suction port, a touch on the skin surface, contact with an electrode, Various effects such as an effect of heat generation and an effect of reproducing a cool / warm feeling using a heat absorbing or heatable element can be generated. The haptic module 454 can be implemented not only to transmit the tactile effect through direct contact but also to allow the user to feel the tactile effect through the muscular senses such as a finger or an arm. The haptic module 454 may include two or more haptic modules according to the configuration of the mobile terminal 400.

The memory 460 may store a program for the operation of the controller 480 and temporarily store input / output data (e.g., phone book, message, still image, moving picture, etc.). The memory 460 may store data related to vibration and sound of various patterns outputted when a touch is input on the touch screen.

The memory 460 may be a flash memory type, a hard disk type, a multimedia card micro type, a card type memory (for example, SD or XD memory) (Random Access Memory), a static random access memory (SRAM), a read-only memory (ROM), an electrically erasable programmable read-only memory (EEPROM), a programmable read-only memory (PROM) A magnetic disk, and / or an optical disk. The mobile terminal 400 may operate in association with a web storage that performs the storage function of the memory 460 on the internet.

The interface unit 470 serves as a pathway to all the external devices connected to the mobile terminal 400. The interface unit 470 receives data from an external device or receives power from the external device and transmits the data to the respective components in the mobile terminal 400 or allows data in the mobile terminal 400 to be transmitted to an external device. For example, it may be provided with a wired / wireless headset port, an external charger port, a wired / wireless data port, a memory card port, a port connecting a device with an identification module, an audio I / O port, A video I / O port, an earphone port, and the like may be included in the interface unit 470.

The identification module is a chip for storing various information for authenticating the use right of the mobile terminal 400 and includes a user identification module (UIM), a subscriber identity module (SIM), a general user authentication module A Universal Subscriber Identity Module (USIM), and the like. A device having an identification module (hereinafter referred to as 'identification device') can be manufactured in a smart card format. Accordingly, the identification device can be connected to the mobile terminal 400 through the port.

When the mobile terminal 400 is connected to an external cradle, the interface unit 470 may be a path through which the power from the cradle is supplied to the mobile terminal 400, And a command signal may be a path through which the mobile terminal is transmitted. The various command signals input from the cradle or the power source may be operated as a signal for recognizing that the mobile terminal is correctly mounted on the cradle.

The control unit 480 typically controls the overall operation of the mobile terminal 400. The control unit 480 performs related control and processing for, for example, voice call, data communication, video call, and the like. The control unit 480 may include a multimedia module 481 for multimedia playback. The multimedia module 481 may be implemented in the control unit 480 or separately from the control unit 480. The control unit 480 may perform a pattern recognition process for recognizing handwriting input or drawing input on the touch-screen as characters and images, respectively.

The power supply unit 490 receives external power and internal power under the control of the controller 480 and supplies power necessary for operation of the respective components.

The various embodiments described herein may be implemented in a recording medium readable by a computer or similar device using, for example, software, hardware, or a combination thereof.

According to a hardware implementation, the embodiments described herein may be implemented as application specific integrated circuits (ASICs), digital signal processors (DSPs), digital signal processing devices (DSPDs), programmable logic devices (PLDs), field programmable gate arrays May be implemented using at least one of a processor, a controller, micro-controllers, a microprocessor, and an electrical unit for performing other functions. In some cases, May be implemented by the control unit 480 itself.

According to a software implementation, embodiments such as the procedures and functions described herein may be implemented with separate software modules. Each of the software modules may perform one or more of the functions and operations described herein. Software code may be implemented in a software application written in a suitable programming language. Here, the software code is stored in the memory 460 and can be executed by the control unit 480. [

On the other hand, a wearable device that can be worn on the body beyond the dimension that the user mainly grasps and uses can operate or function as a digital device or an external device in this specification. These wearable devices include smart watch, smart glass, and head mounted display (HMD).

As shown in Fig. 1, the wearable device can mutually exchange (or interlock) data with another device. The short range communication module 414 can detect (or recognize) a wearable device that can communicate with the mobile terminal 400. If the detected wearable device is a device authenticated to communicate with the mobile terminal 400, the control unit 480 transmits at least a part of the data processed by the mobile terminal 400 to the wearable device 420 via the short- Lt; / RTI > Accordingly, the user can use the data processed by the mobile terminal 400 through the wearable device. For example, when a telephone call is received in the mobile terminal 400, a telephone conversation can be performed through the wearable device, or the received message can be confirmed through the wearable device when a message is received in the mobile terminal 400.

5 is a block diagram illustrating a digital device or external device in accordance with another embodiment of the present invention.

5, a watch-type mobile terminal, that is, a smart watch 500 includes a main body 501 having a display portion 551, a band 502 connected to the main body 501 and configured to be worn on the wrist, . In general, the smart watch 500 may include features of the mobile terminal 400 of FIG. 4 or similar features.

The main body 501 includes a case which forms an appearance. As shown, the case may include a first case 501a and a second case 501b that provide an internal space for accommodating various electronic components. However, the present invention is not limited to this, and one case may be configured to provide the internal space so that a mobile terminal 500 of a unibody may be implemented.

The smart watch 500 is configured to enable wireless communication, and the main body 501 may be provided with an antenna for the wireless communication. On the other hand, the antenna can expand its performance by using a case. For example, a case including a conductive material may be configured to electrically connect with the antenna to extend the ground or radiating area.

A display unit 551 is disposed on the front surface of the body 501 to output information, and a touch sensor is provided on the display unit 551 to implement a touch screen. The window 551a of the display unit 551 may be mounted on the first case 501a to form a front surface of the terminal body together with the first case 501a.

The main body 501 may include an acoustic output unit 552, a camera 521, a microphone 522, a user input unit 523, and the like. When the display unit 551 is implemented as a touch screen, the display unit 551 may function as a user input unit 523, so that the main body 501 may not have a separate key.

The band 502 is worn on the wrist so as to enclose the wrist, and may be formed of a flexible material for easy wearing. As an example, the band 502 may be formed of leather, rubber, silicone, synthetic resin, or the like. The band 502 may be detachably attached to the main body 501 and may be configured to be replaceable by various types of bands according to the user's preference.

On the other hand, the band 502 can be used to extend the performance of the antenna. For example, the band may include a ground extension (not shown) that is electrically connected to the antenna and extends the ground region.

The band 502 may be provided with a fastener 502a. The fastener 502a may be embodied by a buckle, a snap-fit hook structure, or a velcro (trademark), and may include a stretchable section or material . In this figure, an example in which the fastener 502a is embodied as a buckle is shown.

6 is a diagram illustrating control means for digital device control according to an embodiment of the present invention.

A front panel (not shown) or a control means (input means) provided on the digital device 600 is used to control the digital device 600.

The control means includes a remote controller 610, a keyboard 630, a pointing device 620, and a keyboard 620, which are mainly implemented for the purpose of controlling the digital device 600, as a user interface device (UID) A touch pad, or the like, but may also include control means dedicated to external input connected to the digital device 600. [ In addition, the control means includes a mobile terminal such as a smart phone, a tablet PC, or the like which controls the digital device 600 through a mode switching or the like for the purpose of not controlling the digital device 600. In the following description, a pointing device will be described as an example, but the present invention is not limited thereto.

The input means may be a communication protocol such as Bluetooth, Radio Frequency Identification (RFID), Infrared Data Association (UDA), Ultra Wideband (UWB), ZigBee, Digital Living Network Alliance (DLNA) At least one can be employed as needed to communicate with the digital device.

The remote controller 610 is a conventional input device having various key buttons necessary for controlling the digital device 600. [

The pointing device 620 may include a gyro sensor or the like to implement a corresponding pointer on the screen of the digital device 600 based on the user's motion, The control command is transmitted. Such a pointing device 620 may be named with various names such as a magic remote controller, a magic controller, and the like.

Since the digital device 600 provides a variety of services such as a web browser, an application, and a social network service (SNS) as an intelligent integrated digital device beyond the conventional digital device 600 providing only conventional broadcasting, It is not easy, and it is implemented to complement input and realize input convenience such as text by implementing similar to PC keyboard.

The control means such as the remote control 610, the pointing device 620 and the keyboard 630 may be provided with a touch pad as required to provide more convenient and various control purposes such as text input, pointer movement, .

Hereinafter, various embodiments of a method of processing data included in an image frame constituting content in a digital device according to the present invention will be described in detail with reference to the accompanying drawings. Hereinafter, a data processing method related to a selected or zoomed area (hereinafter referred to as " zoomed ") within the corresponding image frame during the reproduction of the content will be described in order to facilitate understanding of the present invention and for convenience of explanation . However, the present invention is not limited to this, and it is applicable to data included in the image frame regardless of the selection or zoom.

Meanwhile, as described above, the content according to the present invention may include a still image as well as a moving picture. In other words, the content may include all types of data.

Alternatively, the content may consist of one or more scenes and each scene may consist of one or more image frames. Here, the image frame may include at least one of a background, an object, an image, and text.

7 is a flowchart illustrating a method of processing image frame data in a digital device according to the present invention.

Referring to FIG. 7, in operation S702, the digital device determines whether there is a region of interest (ROI) according to a zoom request signal in an image frame for the content (S704).

If it is determined in step S704 that the ROI exists, the digital device extracts data (hereinafter referred to as ROI data) such as an image and text in the ROI (S706). Here, the step S706 may be performed irrespective of the step S704 described above. In other words, during the reproduction of the content, data such as images, text, etc. may be automatically extracted in the image frame for the content according to the setting and the like.

In step S708, the digital device determines whether all or a part of the ROI data extracted in step S706 is blinded or distorted by another object or the like (hereinafter referred to as 'distortion').

If it is determined in step S708 that all or part of the extracted ROI data is distorted, the distorted part is retrieved or decoded (step S714).

As in step S714, the ROI data restoration method will be described herein with reference to the following schemes. One is a method of comparing an image frame containing distorted ROI data with other image frame (s) in the content (S710). For example, in contrast to the ROI data extracted from the previous one or more image frames of the image frame, data for reconstruction of the distorted portion of the ROI data is obtained. At this time, the other image frame (s) may include not only previous image frames but also image frame (s) to be reproduced later, as described above. And the other is a method of receiving external data with respect to the extracted ROI data (S712). Transmits the extracted ROI data to an external server, and obtains data necessary for restoring the distorted ROI data from the external server. In FIG. 7, for example, a method of receiving external data after comparing with other image frames has been exemplified and described. However, the methods may be performed in reverse order or in parallel. Alternatively, only one of the two schemes may be used. In addition, information related to ROI data of the image frame can be used by referring to service information of the content being reproduced or the like in other ways. For example, the digital device extracts and parses information on ROI data of each image frame, determines whether the ROI data is distorted by an object in the image frame, and if it is determined that there is distortion, And to restore the ROI data based on the parsed information. However, this may be used when there is service information regarding content being played back on the server side, and may be performed in preference to or in parallel with the above method (s).

If it is determined in step S708 that there is no distortion in the extracted ROI data, the extracted ROI data is restored in step S714, and the restored ROI data is output in step S716.

The digital device outputs the restored data on the screen (S716).

Hereinafter, embodiments of a specific processing algorithm will be described with reference to a method of processing image frame data of the content of FIG. 7 according to an embodiment of the present invention.

8-18 are diagrams illustrating a method for processing distorted ROI data in an image frame in accordance with the present invention.

Fig. 8 is an embodiment relating to changing the shape of the ROI data.

Assume that an ROI exists in the image frame of the content being reproduced, and the ROI data is output as shown in FIG. 8A. However, although not shown, all or some of the ROI data in FIG. 8A may be distorted and difficult for a user to identify.

In this manner, it is required to process the ROI data so that the ROI data can be discriminated by the user when there is distortion. Hereinafter, Figs. 8B to 8I are processing methods of ROI data to correspond to distortion of the ROI data.

8B to 8I are for determining the cause of the distortion in the ROI data within the ROI, that is, the object, etc., and solving the distortion. For example, if the middle portion of the ROI data is partially distorted by the object, the digital device may be based on the degree of distortion and the object in any of the Figures 8b-8d, 8h, or 8i so that the distortion can be resolved And output the ROI data. Alternatively, if there is distortion on the edge side such as the beginning or the end of the ROI data, the ROI data may be output based on the degree of distortion of the object in any one of FIGS. 8E, 8G, and 8H.

Each of the examples shown in FIG. 8 may be implemented in various forms in consideration of the degree of distortion and the object, in addition to the form shown and described as illustrated to facilitate understanding of the present invention.

Although not shown, in FIG. 8A, it is possible to output all or a part of the ROI data in which the distortion occurs, to an upper layer than the object causing the distortion, or to output the remaining portion except for the object portion in the ROI. In the former case, in order to output all or a part of the ROI data to an upper layer, the ROI data may be implemented in 3D form and provided. In addition, the ROI data of 8b to 8i may be automatically or manually scrolled up and down, right and left depending on the type of data.

Fig. 9 shows an example of the processing when the ROI is a part of the image frame.

Referring to FIG. 9A, ROI 910 is part of full text data 920 of FIG. 9B. In the case of FIG. 9, there are two ways to handle it. One is to process only the ROI data of the ROI 910 selected by the user, ignoring the full text data 920, and the other is that even if the user selects the ROI as in FIG. 9A, the full text data 920 ) As ROI data. In the latter case, for example, when it is not easy to select the entire text data in the image frame, or the like, the intention of the user is to identify the text data in the image frame. In FIG. 9, the latter case will be described as an example for convenience.

The digital device extracts the entire text data 920 of FIG. 9B as ROI data when the ROI 910 is determined for only a part of the entire text data 920 of FIG. 9B as shown in FIG. 9A. The digital device outputs the extracted whole text data 920, that is, ROI data, through a predetermined window 930 to a predetermined area of the screen as shown in FIG. 9C. Referring to FIG. 9C, ROI data is output through a window 930 provided on the upper right side of the screen. However, the position, size, width, and the like of the window 930 are merely examples, but the present invention is not limited thereto. And output ROI data 930. If it is difficult to provide the entire text data at once based on the size and width of the window 930, Here, the ROI data provided through the window 930 may be enlarged / reduced as compared with that provided in the original image frame when the ROI is determined by the zoom function.

10 and 11 illustrate an example of a processing method in a case where a part of the ROI data is distorted by the object itself or the characteristic although the output is performed in the image frame.

Referring to FIG. 10A, the original data in the ROI 1010 may overlap with the ROI 1010, or all or part of the object may be overlapped with a portion of the data. The digital device extracts the ROI 1010 and ROI-related data from the previous one or more frames of the image frame. The digital device compares the extracted ROI-related data with the data in the corresponding image frame to obtain data regarding the distorted part. The digital device restores the ROI data 1020 including the data obtained from the previous image frame (s) and outputs it on the screen as shown in FIG. 10A.

Referring to FIG. 10B, when data in the ROI 1050 is considered to be distorted on a flat screen as it is output with the characteristics of the object, i.e., the object in the form of a circle, And obtains data regarding the distorted portion of the data in the ROI 1050. The ROI data 1060 including the thus obtained data is output on the screen as shown in FIG. 10B.

On the other hand, FIG. 11 shows an example of a processing method when the user is unable to identify the ROI 1110 data because the scene change such as sports, movies, etc. is very fast. Referring to FIG. 11A, it can be seen that a part of the ROI 1110 is difficult to identify by a user in accordance with fast scene switching. In this case, the ROI 1110 shown in FIG. 11A is displayed on the screen 110 as shown in FIG. 11B through the above-described image frame comparison method, in order to facilitate identification of the user according to fast scene change, And outputs the restored ROI data 1120. [

In the description of FIGS. 10 and 11, the above description has exemplified a method of referring to other image frame (s) of content for ROI data processing in the corresponding image frame. However, the present invention is not limited thereto as described above. For example, in a case where it is difficult or difficult to obtain information about distorted data in the ROI data by the image frame comparison method, or in place of the image frame comparison method, external data or service information may be used as described above .

In the case of restoring the distorted ROI data using the external data, the digital device may store the ROI data including the entire ROI data, the content title, the attribute, and the genre excluding the distorted part, such as the service server, the web server, Information about the object such as information about the object, the information about the object, the information about the object, the information about the object, the information about the object, the environment, and the surrounding environment, and receives and restores the external data from the server. In this case, when a plurality of external data is received, it is also possible to output on the screen all of the configurable ROI data determined by the digital device or based on the plurality of external data.

Figs. 12 to 14 show embodiments of the present invention in the case where there is no distortion of the ROI data but the identification thereof is not easy.

Referring to FIG. 12A, the ROI 1210 is not easy to identify from the background image. For example, this is due to the color of the ROI 1210 and the color of the background screen, color, and the like. Unlike the case where the previous embodiment is caused by distortion due to occlusion or the like by an object or the like, in FIG. 12, even if there is no such distortion, the ROI data can not be easily discriminated. If it is determined that the ROI data can not be easily identified, the digital device analyzes the cause thereof. For example, ROI data is compensated for using the complementary color or darker color if the color is caused by the reason that the ROI 1210 is not easily identified. Referring to FIG. 12B, the digital device provides the ROI 1220 by color processing so as to be distinguishable from the background image.

13, if it is determined that the resolution of the ROI is lower than a predetermined standard, it is not easy for the user to identify the ROI. Therefore, ROI data are processed separately. The digital device may distort the ROI 1310 or cause no color problem as shown in FIG. 12, but if the resolution is within the predetermined reference range, the digital device may restore the ROI data 1320 as shown in FIG. Output.

In the present embodiment, whether or not the ROI is easy to identify by the user can be determined by determining whether the ROI is within a predetermined reference range, referring to the color of the ROI, the background screen, In this case, if necessary, distortion of the ROI data may also be determined and applied as in the other embodiments.

12, the digital device may not only correct the resolution, color, etc. of the ROI itself, but also provide ROI data corresponding to the ROI on the screen, as in the above embodiment, as shown in FIG. 12B.

FIG. 14 shows a method of processing the ROI according to the present invention when the ROI is not easily discriminated on the basis of the perspective method or the like, although there is no distortion.

14A, when the ROI 1410 is selected in the image frame, but the ROI 1410 is located on the inside of the screen in a perspective view and is not easy to identify, the digital device may enlarge and provide only the ROI 1410 (not shown) ), And ROI data may be provided as shown in FIGS. 14B and 14C.

The digital device provides the first ROI data 1420 of the output ROI data 1420 as being identifiable that the first ROI data 1420 is accessed when the first ROI data 1420 is accessed by the pointer 1430 as shown in FIG. 1 ROI data 1420 and an application item or icon 1440 connectable or linkable with the ROI data 1420 around the first ROI data 1420.

The digital device provides the third ROI data 1450 as identifiable that the third ROI data 1450 is accessed when the third ROI data 1450 of the output ROI data is accessed by a pointer, (1460,1470) around or connected to the third ROI data (1450).

The digital device executes a web browser to provide related functions when the corresponding ROI data 1430 and 1450 are double-clicked or the provided application icons 1440, 1460, and 1470 are accessed in Fig. 14B or 14C described above Or perform call processing after pairing with a callable device.

Fig. 15 is an embodiment related to processing when it is difficult to output all the ROI data all at once on the screen.

For example, if the digital device determines that the identification of the ROI 1510 is not easy, as shown in FIG. 15A, the digital device restores the ROI data and outputs the ROI data on the screen as in the above embodiment (s). However, if the ROI data to be restored is large as shown in FIG. 15A, the ROI data can not be output on the screen at one time, so that the processing may be a problem. There are various ways to solve this problem. For example, in order to output ROI data at a time, the digital device reconstructs only some or important ROI data that can be output at one time, rather than all of the ROI data, and provides it on the screen. In this case, some or important ROI data to be restored in the entire ROI data may be processed in a manner such that it may be regarded as important in general data such as numbers, images, web page addresses, preset reference, or ROI data of the previous user And can be determined by referring to the learned data and the like. Alternatively, all the ROI data are sequentially scrolled left and right without outputting all of the ROI data at the bottom of the screen in FIG. 15A. Alternatively, as shown in FIG. 15B, the ROI data may be provided at one time by dividing the ROI data at the upper and lower ends of the screen.

In addition, various embodiments using the same or similar method as the technical idea of the present invention may be included in the scope of the present invention in connection with the present invention not shown or not described herein.

16 and 17 illustrate examples of the method for processing the caption data of the content. Here, the caption data includes caption data of a text form, subtitle of an image form, and the like. On the other hand, such caption data is transmitted together with the content, processed and provided.

Referring to FIG. 16A, the digital device provides caption data 1610 at the bottom of the screen. At this time, it is assumed that the subtitle data 1610 includes two or more languages. If the subtitle data 1620 in the first language is selected from the subtitle data 1610, the digital device removes the subtitle data in the second language from the subtitle data 1610, The caption data 1620 can be provided as shown in FIG. 16B. Referring to FIG. 16B, the provided subtitle data 1630 in the first language may be provided by enlarging / reducing the size of the text, for example, when it is provided in FIG. 16A.

Referring to FIG. 17A, the digital device provides caption data 1710 on the screen. Here, if some of the provided caption data 1710 can be mapped to an image, the text may be converted into a mapped image and provided as shown in FIG. 17B.

If there is caption data in the received content, the digital device can process and store the caption data. Meanwhile, the digital device can map the image data among the caption data stored in the storage unit by referring to the image data stored in advance in the storage unit. Then, at the time of providing the caption, either automatically or at the request of the user, the digital device can replace or convert some text data of the caption data into an image and provide it as shown in FIG. 17B. On the other hand, when the caption data is processed and stored in advance, the digital device adds a mapping image by referring to external data through data communication with an external server or the like, even if there is no previously mapped image data, The image processing of FIG.

Referring to FIG. 17, when a mapping image related to 'apples' and 'bananas' text data in the caption data is previously stored in the digital device, the digital device provides an apple image and a banana image in place of the text data . This allows digital devices to understand subtitle data that is not easy to read intuitively and quickly through the image.

Fig. 18 shows another embodiment for the case where there is no distortion of the ROI but the identification is not easy.

Referring to FIG. 18A, the ROI 1810 in the image frame has no distortion, but the size of the ROI data is small. In such a case, the digital device can be processed by any one of the methods of Figs. 18B to 18D.

If the ROI data is extracted and the extracted ROI data is text data, the digital device may directly restore the extracted ROI text data and output the text ROI data 1820 as shown in FIG. 18B.

On the other hand, when the ROI data is extracted and the extracted ROI data is text data, the digital device does not directly restore the extracted ROI text data as shown in FIG. 18B, but also stores the image data corresponding to the extracted text data Is present. In this case, the digital device can refer to the mapping image data stored in advance in the storage unit, the external image data through the external server, or the like. The digital device provides the ROI image data 1830 on the screen or the ROI text and image mixture data 1840 as shown in FIG. 18D, if the corresponding or the mapped image data exists in the extracted text data .

On the other hand, if the image data corresponding to the extracted text data exists, the digital device does not separately provide the ROI data, and if the user places the pointer again in the ROI after selecting the ROI as described above, , The image may be temporarily replaced with the ROI. And moving the pointer back from the ROI to another location, the provided image may disappear again.

On the other hand, if the ROI image data corresponding to the ROI text data is provided in the present specification, the digital device moves to the homepage according to the selection in the manner shown in FIG. 14 when the ROI image data is selected, Related functions such as search, related content recommendation, discount coupon, order page, etc. may be executed or related data may be provided. Also, if ROI image data is provided, the digital device may provide a list of pre-printed or previously stored ROI image data on the screen.

It has been described herein that the ROI is determined by a selection regarding a partial area within an image frame. Here, the selection is not limited to voice, gesture, hot-key, and the like, without necessarily selecting through a pointer or the like (OK button pressing, hovering, And a function key such as a key. For example, when a content is being played back, a predetermined area is pressed through a pointer provided on the screen through a remote controller, hovering or the like is performed, or in the case of a function key such as voice, gesture or hot- The ROI data may be provided while stopping and continuously reproducing the ROI data.

Figures 19 to 21 are flowcharts of a method of processing data in a digital device according to an embodiment of the present invention.

Referring to FIG. 19, the digital device reproduces the content (S1902) and receives a region of interest (ROI) selection signal of the reproduced content (S1904).

The digital device identifies the region of interest from the image frame of the content (S1906) and extracts the first text data from the identified region of interest (S1908).

The first device stores the first ROI data corresponding to the first text data of the extracted ROI. According to one embodiment of the present invention, the digital device determines that the image stored in the content, Text and the like can be processed so as to be identifiable by the user.

According to another embodiment of the various embodiments of the present invention, the digital device provides data corresponding to the image, text, and the like even when identification of all or a part of images, text, etc. contained in the content is not easy (S1910), and displays the restored first ROI data on the image frame of the content (S1912).

The digital device receives a signal for selecting the displayed first ROI data (S1914), performs an additional function corresponding to the first ROI data or displays additional data according to the first ROI data selection signal (S1916) .

For example, FIG. 20 illustrates a detailed process of extracting the first text data extracted in step S1908 and restoring the first ROI data in step S1910.

First, the digital device determines whether the extracted first text data of the ROI is distorted in step S1908 (S2002). Here, the distortion may include a case where all or a part of the first text data of the extracted region of interest is at least one of occluded, blurred, or unidentifiable by the object.

Hereinafter, when the first text data of the extracted ROI is distorted, the digital device processes it as follows.

The digital device extracts second text data for an area corresponding to the area of interest from one or more previous reproduction image frames of the image frame (S2004), and based on the extracted second text data, The third text data corresponding to the distorted part of the one-text data is obtained (S2006). The digital device reconstructs the second ROI data by combining the obtained third text data with the first text data (S2008), and displays the restored second ROI data together with the first ROI data (S2016 ).

Alternatively, the digital device may transmit the distorted first text data to the external server (S2010), receive the external data corresponding to the distorted first text data from the external server (S2012) Data is combined with the first text data to restore the second ROI data (S2014), and the restored second ROI data is displayed together with the first ROI data (S2016).

The second ROI data may be scrolled vertically and / or horizontally. The second ROI data may be scrolled vertically and / or horizontally, and the resolution or color of the ROI may be within a predetermined range as a result of comparison between the background image of the image frame, , The resolution and color of the ROI can be changed and displayed. Also, the first ROI data may be displayed through a window displayed on the region of interest, the region of interest, or a predetermined region on the screen.

21, the digital device according to the present invention identifies (S2102) full text data including first text data extracted from a region of interest of the image frame in accordance with the ROI selection signal (S2102) Text data is extracted (S2104).

The digital device reconstructs the third ROI data based on the extracted whole text data (S2106), and displays the restored third ROI data together with the first ROI data (S2108).

Meanwhile, the signal for selecting the ROI may include a zoom function request signal.

Accordingly, in accordance with the present invention, a digital device can process an image, text, and the like included in the content during the reproduction of the content so that the user can identify it, and can identify the whole or a part of the image, text, It is possible to provide data corresponding to the image, text, and the like.

The digital device disclosed in this specification and the data processing method in the digital device can be applied to a configuration or a method of the embodiments described above in a limited manner, Some of which may be selectively combined.

Meanwhile, the operation method of the digital device disclosed in this specification can be implemented as a code readable by a processor in a recording medium readable by a processor included in the digital device. The processor-readable recording medium includes all kinds of recording devices in which data that can be read by the processor is stored. Examples of the recording medium readable by the processor include ROM (Read Only Memory), RAM (Random Access Memory), CD-ROM, magnetic tape, floppy disk, optical data storage device, And may be implemented in the form of a carrier-wave. In addition, the processor-readable recording medium may be distributed over network-connected computer systems so that code readable by the processor in a distributed fashion can be stored and executed.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it will be understood by those of ordinary skill in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims. Of the right. Further, such modifications are not to be understood individually from the technical idea of the present invention.

201: network interface unit 202: TCP / IP manager
203: service delivery manager 204: SI decoder
205 demultiplexer 206 audio decoder
207: Video decoder 208:
209: Service Control Manager 210: Service Discovery Manager
211: SI & Metadata Database 212: Metadata Manager
213: service manager 214: UI manager

Claims (20)

A method of processing data in a digital device,
Reproducing the content;
Receiving a region of interest (ROI) selection signal of the reproduced content;
Identifying the region of interest from an image frame of the content and extracting first text data from the identified region of interest;
Reconstructing the image data corresponding to the first text data of the extracted ROI into first ROI data; And
And displaying the restored first ROI data on an image frame of the content. The method according to claim 1,
Further comprising determining whether the first text data of the extracted ROI is distorted,
Wherein the distortion includes a case where all or a part of the first text data of the extracted region of interest is at least one of occluded, blurred, or unidentifiable by an object. 3. The method of claim 2,
If the first text data of the extracted ROI is distorted,
Extracting second text data for an area corresponding to the region of interest from one or more previous playback image frames of the image frame;
Obtaining third text data corresponding to a distorted portion of the first text data based on the extracted second text data;
Reconstructing second ROI data by combining the obtained third text data with the first text data; And
And displaying the restored second ROI data together with the first ROI data. ≪ Desc / Clms Page number 19 > 3. The method of claim 2,
If the first text data of the extracted ROI is distorted,
Transmitting the distorted first text data to an external server;
Receiving external data corresponding to the distorted first text data from the external server;
Reconstructing the second ROI data by combining the received external data and the first text data; And
And displaying the restored second ROI data together with the first ROI data. ≪ Desc / Clms Page number 19 > The method according to claim 3 or 4,
Wherein the second ROI data is scrolled vertically and / or horizontally. The method according to claim 1,
And displays the resolution or color of the ROI by changing the resolution or color of the ROI if the resolution or color of the ROI falls within a predetermined range as a result of a comparison between the background screen of the image frame and the resolution or color of the object around the ROI. A method for processing data in a device. The method according to claim 1,
Wherein the first ROI data comprises:
Is displayed through a window displayed on the area of interest, the area of interest, or on a predetermined area on the screen. The method according to claim 1,
Receiving a signal for selecting the displayed first ROI data; And
And performing an additional function corresponding to the first ROI data or displaying additional data according to the first ROI data selection signal. 3. The method according to claim 1 or 2,
Identifying and extracting full text data including first text data extracted from a region of interest of the image frame in accordance with the ROI selection signal;
Restoring the third ROI data based on the extracted whole text data; And
And displaying the restored third ROI data together with the first ROI data. ≪ Desc / Clms Page number 19 > The method according to claim 1,
Wherein the signal relating to the ROI includes a zoom function request signal. In a digital device for processing data,
A receiving unit for receiving the content;
A decoder for decoding the received content;
A user interface unit for receiving a region of interest (ROI) selection signal of a content to be reproduced;
Identifying the region of interest from the image frame of the reproduced content according to the region of interest selection signal, extracting first text data from the identified region of interest, extracting first text data of the extracted region of interest And to display the restored first ROI data on an image frame of the content; And
A digital device comprising a display portion. 12. The method of claim 11,
Wherein,
Determining whether the first text data of the extracted ROI is distorted,
Wherein the distortion includes a case where all or a part of the first text data of the extracted region of interest is at least one of occluded, blurred, or unidentifiable by the object. 13. The method of claim 12,
Wherein,
If the first text data of the extracted ROI is distorted,
Extracting second text data for an area corresponding to the region of interest from one or more previous reproduction image frames of the image frame, and extracting a distorted portion of the first text data based on the extracted second text data And restoring the second ROI data by combining the third text data with the first text data, and restoring the restored second ROI data together with the first ROI data So as to be displayed. 13. The method of claim 12,
Wherein,
And transmitting the distorted first text data to an external server, receiving external data corresponding to the distorted first text data, combining the received external data with the first text data, and restoring the second ROI data And controls the restored second ROI data to be displayed together with the first ROI data. The method according to claim 13 or 14,
Wherein,
And controls the second ROI data to be scrolled up and down and / or left and right. 12. The method of claim 11,
Wherein,
The resolution or color of the ROI is compared with the resolution or color of the background image of the image frame or the ROI of the ROI, and the resolution or color of the ROI is changed and displayed when the resolution or color is within a predetermined range . 12. The method of claim 11,
Wherein,
Controls to display a window on the area of interest, the area of interest, or a predetermined area on the screen, and controls the display of the first ROI data through the displayed window. 12. The method of claim 11,
Wherein,
Wherein the controller controls to perform an additional function corresponding to the first ROI data or to display additional data when a signal for selecting first ROI data displayed through the user interface unit is received. 13. The method according to claim 11 or 12,
Wherein,
And when the ROI selection signal is received, controlling to identify and extract the entire text data including the first text data extracted from the ROI of the image frame, restoring the third ROI data based on the extracted whole text data, And controls the restored third ROI data to be displayed together with the first ROI data. 12. The method of claim 11,
Wherein the signal relating to the selection of the region of interest comprises a zoom function request signal.

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