KR100698179B1 - Imaging device and its operation method - Google Patents

Abstract

The present invention detects when a screen is covered by an object or a person between the video device and the viewer while watching the video being broadcast by terrestrial or cable broadcasting or satellite broadcasting, VCR, DVD, etc. The present invention relates to an image device for automatically recording an image being displayed and to display it as an auxiliary screen when an object or a person is removed. The present invention provides an object detecting unit for detecting the existence of an object, a data processing unit for encoding and / or decoding so as to reproduce and store a broadcast program displayed through a video device, a storage unit for storing the currently displayed broadcast program, and And a controller configured to store the currently broadcast program in the storage unit when the object is detected through the object detector, and reproduce the stored broadcast program through the display unit when the existence of the object is removed. Therefore, according to the present invention, even if a video being broadcast in real time through the video device is obscured by an object or a person, it is possible to view it after a while without missing an important scene or waiting for rebroadcast. have.

Video equipment

Description

Display device and method for operating method

1 is a view for explaining object detection using an imaging apparatus according to the present invention.

2 is a view for explaining a detection distance when detecting an object using an image device according to the present invention;

3 is a block diagram illustrating a video device according to a first embodiment of the present invention.

4 is a block diagram illustrating a video device according to a second embodiment of the present invention.

5 is a flowchart illustrating a method for setting automatic storage according to object detection using an imaging apparatus according to the present invention.

6 is a flowchart for explaining an automatic storage and playback method according to object detection using the imaging apparatus according to the first embodiment of the present invention.

7 is a flowchart illustrating an automatic storage and playback method according to object detection using an imaging apparatus according to a second embodiment of the present invention.

* Explanation of symbols for main parts of drawings *

100: video device 200: video device support

300: object detection area of the video device 400: playback device

11: object detection unit 12: channel end

13 data processing unit 14 display unit

15: control unit 16: storage unit

17: temporary storage unit 18: interface unit

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a video device and a method of operating the same, and in particular, to an arbitrary object or a person between a video device and a viewer while watching a video being broadcast by a terrestrial or cable broadcast, a satellite broadcast, a VCR or a DVD through a video device. The present invention relates to an image device and a method of operating the same, which detects a screen when the screen is blocked and automatically stores an image currently being broadcast and displays it as an auxiliary screen when an object or a person is removed.

Broadcasting is a mass media that targets an unspecified number, which is advantageous because it can be compressed like computer data compression because all elements (video, audio, data) are treated digitally.

After color TV broadcasting, stereo sound, remote control device, subtitle broadcasting, data broadcasting, etc. have adopted some digital technologies. In the 90's, computer and network technologies have been spreading more rapidly, so that the broadcasting field can realize high-definition and multifunctional TV. Digital TV was pursued as a video device.

In the case of digital TV (hereinafter, DTV), one program of HDTV level and three or more programs of SDTV level can be transmitted to one channel, and digital signal transmission and processing make it possible to enjoy a much clearer screen. . The ghost phenomenon can be solved on its own, and radio waves reflected by obstacles can be solved on their own.

While watching a TV program, an object or a person may cover the screen. It's not a long time, but viewers may miss important shots. And there was no way to see it again when the scene was missed by the surroundings, unless the viewer watched the TV while saving.

Of course, recently there is a TV with a storage function, but this too will not be able to see the missing scene again unless the user manually operates.

And even in such a case, if the remote control is far from the viewer's position, the scene is already skipped during the time to find the remote control, so the manual storage method using the remote control does not help much, but rather misses the important scene completely. There was a problem that could be next.

There was also a problem in that video played back through a VCR or DVD had to be turned back.

The present invention is to solve the above problems, by using an arbitrary object or a person between the video device and the viewer while watching the video broadcast by the terrestrial or cable or satellite broadcasting, DVD, VCR, etc. through the video device It is an object of the present invention to provide an image device and an operation method thereof, which detects a screen when it is covered and automatically stores an image currently being broadcast and displays it as an auxiliary screen when an object or a person is removed.

In order to achieve the above object, the present invention provides an object detection unit for detecting the presence of an object, a data processing unit for encoding and / or decoding so as to reproduce and store a broadcast program displayed through an image device, and the currently displayed broadcast program. And a storage unit for storing the broadcast program currently being broadcast in the storage unit when the object is detected through the object detector and reproducing the stored broadcast program through the display unit when the existence of the object is removed. It provides a video device characterized in that configured to include.

Here, the object detector is preferably composed of an infrared sensor.

The object detector may detect the presence of an object within a distance selected by the image apparatus user.

The storage unit may include a temporary storage unit for storing the broadcast program at the moment of detecting the detection of the thing, and a storage unit for storing the broadcast program when the detection of the thing is detected for a predetermined time or more.

The stored broadcast program is preferably played back from the broadcast program stored in the temporary storage unit.

Preferably, the broadcast program is one of a real time broadcast program and a reproduction broadcast program.

In addition, the real-time broadcast program is one of the terrestrial broadcast, cable broadcast and satellite broadcast, the reproduction broadcast program is preferably one of the DVD and VCR.

The stored broadcast program is preferably displayed by one of a picture-in-picture (PIP) or picture-on-picture (POP) scheme.

The video apparatus includes a channel stage including a tuner for tuning a channel desired by a user, a channel decoder for decoding a broadcast signal input through the tuned channel into a transport stream, and a display for displaying data processed by the data processor. It is preferable that it further comprises a part.

The video device may further include an interface unit for interfacing a broadcast program from an external playback device.

In order to achieve the above object, the present invention is to detect the presence of the object in front of the video device when the viewer watches the broadcast program through the display unit of the video device, and if the presence of the object is detected the broadcast And storing a program and reproducing the stored broadcast program when the existence of the thing is removed.

Here, when detecting the presence of the thing, it is preferable to include the detection distance and the detection time of the object.

And when the existence of the thing is detected, temporarily storing the broadcast program in a temporary storage, counting a time from the existence time of the thing, and if the counted time exceeds a predetermined time, the broadcast program in the storage. Preferably it further comprises the step of storing.

In addition, the stored broadcast program is preferably displayed in one of a picture-in-picture (PIP) or picture-on-picture (POP) method on the display unit.

In this case, the broadcast program is preferably a real-time broadcast program or a broadcast program being played in a playback device.

Selecting a storage menu according to a movement among menu functions of the video apparatus, inputting the motion capturing time and distance to store and reproduce the broadcast program when the existence of the object is detected; It is preferable to include the step of selecting at least one of the device or the playback device.

Therefore, according to the present invention, even if the image displayed by the video device is obscured by an object or a person, it is possible to see this through the sub-screen after a while without having to miss an important scene or waiting for rebroadcast.

Hereinafter, with reference to the accompanying drawings, preferred embodiments of the present invention that can specifically realize the above object will be described.

FIG. 1 is a view for explaining object detection using an imaging apparatus according to the present invention, and FIG. 2 is a view for explaining a detection distance when detecting an object using an imaging apparatus according to the present invention.

First, the object detection using the imaging apparatus 100 according to the present invention uses a motion sensor such as an infrared method, which is currently used a lot, and the optical sensor using infrared rays detects the presence or absence of infrared rays by shooting infrared rays from the light emitting unit. It is done.

This principle, also called the photoelectric effect, is a scientific principle that uses the phenomenon of breaking current when light is blocked. An automatic door that we commonly see, for example, is when the infrared light emitted from the sensor's light is blocked by a person standing in front of the automatic door, the light sensor detects this and uses the controller to open the door.

The imaging device of the present invention may also use an infrared sensor to detect the presence of an object.

In other words, the position of the person watching the current broadcast program (real time broadcast (terrestrial wave, cable broadcast, satellite broadcast, etc.) or playback broadcast (DVD, VCR, etc.) through the display unit 14 and the image device 100 (e.g., For example, it is necessary to distinguish the position of the object that covers the TV screen.

The user may manually input a location for viewing the video apparatus 100 of the user. For example, when viewing from a sofa about 2 meters away from the video device 100, the detection distance 300 is detected by using a remote key of the video device 100 or a local key attached to the video device 100. (For example, up to 2 meters from the video device) can be set. That is, the viewing distance of the video device is generally 1 meter or more, and if there is a sofa, it may be 2 meters or more. As the object is closer to the video device 100, the image (program) displayed on the video device 100 is displayed. Because watching is difficult.

Of course, the video device manufacturer may pre-populate a default value. If there is no user's special setting, the scope of the object detection is set according to the default value.

That is, when an object obscures the front of the image device 100 in the image device 100 installed on the image device support 200, the time for causing the object detection operation as described above may also be set.

At this time, the object detecting unit 11 configured as a sensor capable of detecting the object is configured in the imaging apparatus 100 to detect the object, and when the existence of the object is detected for a predetermined time or more within a set distance, the time is automatically stored in the memory. Stores the image (program) corresponding to At this time, the image (program) stored in the memory can be stored by adding the scene before and after the scene. That is, basically, the user stores the video in the memory from the moment when the detection of the object is detected, and does not play the stored video if the time when the existence of the object is detected is within the set time, but if the user plays the video, the user sets the playback from the detection of the object. You can do it.

The user can view the stored program at the same time as the current screen through the sub-screen, the voice can also be set so that the sound of the sub-screen (secondary screen).

3 is a block diagram illustrating a video device according to a first embodiment of the present invention.

The imaging apparatus 100 according to the first embodiment of the present invention includes a thing detector 11, a channel end (tuner and channel decoder) 12, a data processor 13, a display 14, a controller 15, It consists of a storage unit 16 and a temporary storage unit 17.

Here, the object detecting unit 11, for example, as an infrared sensor, detects whether any object exists within a distance selected by the user.

The channel stage 12 includes a tuner for tuning a channel desired by a user and a channel decoder for decoding a broadcast signal input through the tuned channel into a transport stream.

The data processor 13 encodes and / or decodes to reproduce and store the decoded data in the form of a transport stream.

The display unit 14 displays image data processed by the data processor 13.

The storage unit 16 stores the data processed by the data processing unit 13.

The temporary storage unit 17 stores the image and audio data output to the display unit 14 through the current data processor 13 from the moment the object is detected.

In general, the controller 15 controls the data processing unit 13 to process the broadcast signal received through the channel end 12 so as to be appropriate for broadcasting, and selectively stores the broadcast signal in the storage unit 16 and displays the display unit 14. The broadcast signal processed by the data processor 13 is displayed through. In addition, when a thing is detected from the thing detecting unit 11, the data processed by the data processor 13 is temporarily stored in the temporary storage unit 16, and whether or not it is output through the display unit 14 according to a time set by a user. Decide

4 is a block diagram illustrating a video device according to a second embodiment of the present invention.

The imaging apparatus 100 according to the second embodiment of the present invention includes the object detector 11, the channel stage (tuner and channel decoder) 12, the data processor 13, the display 14, the controller 15, It consists of a storage unit 16, a temporary storage unit 17, and an interface unit 18.

Here, since the basic configuration from the thing detecting unit 11 to the temporary storage unit 17 is the same as the first embodiment of the present invention, a detailed description thereof will be omitted.

The interface unit 18 interfaces a broadcast program (video and audio signal) from an external device (playback device (VCR, DVD)) 400 to the video device 100.

The control unit 15 controls the data processing unit 13 to process the broadcast signal received through the channel end 12 so as to be suitable for broadcasting, and selectively stores it in the storage unit 16, and through the display unit 14. The broadcast signal processed by the data processor 13 is displayed. In addition, when a thing is detected from the thing detecting unit 11, the data processed by the data processor 13 is temporarily stored in the temporary storage unit 16, and whether or not it is output through the display unit 14 according to a time set by a user. Decide In addition, the user determines whether to temporarily store the broadcast program from the external device according to the detection result of the thing detecting unit 11, and controls to store and play the broadcast program from the external playback device.

5 is a flowchart illustrating a method for setting automatic storage according to object detection using an imaging apparatus according to the present invention.

In the method of setting automatic storage according to the object detection using the video device according to the present invention, the user selects a storage menu according to the movement among the menu functions of the video device by using a remote key or a local key of the video device (S1).

The on-screen display (OSD) is then used to input the motion capturing time and distance so that the current broadcast program can be started from a user's motion capturing time, that is, a certain amount of time (eg, 1 second or more) when motion is captured. Enter whether to save and play, and enter a distance (for example, within 1 meter or less than 2 meters) (S2).

When the input is completed, the input content is stored (S3).

Next, the video device or the playback device is selected (S4). Such a video gig or a playback device may select whether to limit the TV to a real time broadcast or to temporarily store and play a broadcast program being played on a DVD or a VCR.

And the selection is stored (S5).

6 is a flowchart illustrating an automatic storage and playback method according to object detection using the imaging apparatus according to the first embodiment of the present invention.

According to an embodiment of the present invention, when the viewer watches a broadcast program (S10), the object detector of the image apparatus determines whether the object is captured by the movement of the object. (S30).

As a result of the determination (S30), when the movement of the object is captured, it is determined whether the time is exceeded by counting the time (S50). At this time, when the movement of the object is captured, the temporary memory stores the broadcast program that the viewer is watching.

As a result of the determination (S50), if the predetermined time is exceeded, the scene from the time when the count stored in the temporary memory starts is stored in the memory (S70).

In operation S90, it is determined whether the captured object is removed.

As a result of the determination (S90), when the captured object is removed, the broadcast program stored in the temporary memory and the broadcast program stored in the memory are displayed on the sub-screen (Picture In Picture (PIP) or Picture On Picture (POP)) (S110). At this time, the voice may also be output.

When the broadcast stored in the temporary memory and the memory is completed, the sub screen is removed and only the main screen is displayed (S130).

FIG. 7 is a flowchart illustrating an automatic storage and playback method according to object detection using the imaging apparatus according to the second embodiment of the present invention.

The automatic storage and playback method according to the object detection using the video device according to the second embodiment of the present invention relates to the automatic storage and playback method for a broadcast program being played through a playback device (DVD or VCR). When viewing (S210), the object detecting unit of the video device determines whether the motion of the object is captured (S230).

As a result of determination (S230), if the movement of the object is captured, it is determined whether the user has selected storage and playback of the playback device (S250).

As a result of the determination (S250), if the user selects the storage and playback of the playback device, the temporary memory stores the broadcast program being watched by the viewer, counts the time, and determines whether the predetermined time has been exceeded (S270).

If the determination result (S270) exceeds a predetermined time, the scene from the time when the count is stored in the temporary memory starts to store in the memory (S290).

In operation S310, it is determined whether the captured object is removed.

As a result of the determination 310, when the captured object is removed, the broadcast program stored in the temporary memory and the broadcast program stored in the memory are displayed on the sub-screen (Picture In Picture (PIP) or Picture On Picture (POP)) (S330). At this time, the voice may also be output.

When the broadcast stored in the temporary memory and the memory is completed, the sub screen is removed and only the main screen is displayed (S350).

In the above-described video apparatus and the operation method of the present invention, the user can automatically watch the broadcast without looking for the remote control or waiting for re-broadcasting because the scene missed when the object obscures the video device can be automatically stored in the memory for viewing. There is.

Those skilled in the art will appreciate that various changes and modifications can be made without departing from the spirit of the present invention.

Therefore, the technical scope of the present invention should not be limited to the contents described in the embodiments, but should be defined by the claims.

Claims (16)

An object detecting unit detecting the existence of the object; A data processor which encodes and / or decodes a broadcast program displayed through a video apparatus so as to reproduce and store the broadcast program; A storage unit which stores the currently displayed broadcast program; And a controller configured to store the currently broadcast program in the storage unit when the object is detected through the object detector and to play the stored broadcast program when the existence of the object is removed. The method of claim 1, And the object detecting unit comprises an infrared sensor. The method of claim 1, And the object detecting unit detects the presence of an object within a distance set by the user of the image apparatus. The method of claim 1, The storage unit comprises a temporary storage unit for storing the broadcast program at the moment of detecting the detection of the thing, and a storage unit for storing the broadcast program stored in the temporary storage unit when the detection of the object is detected for a predetermined time or more. Video equipment. The method of claim 4, wherein And the stored broadcast program is played from the broadcast program stored in the temporary storage unit. The method of claim 1, And the broadcast program is one of a real time broadcast program and a reproduction broadcast program. The method of claim 6, The real time broadcasting program is one of terrestrial broadcasting, cable broadcasting and satellite broadcasting, and the playback broadcasting program is one of DVD and VCR. The method of claim 1, And the stored broadcast program is reproduced by one of a picture in picture (PIP) or picture on picture (POP) scheme. The method of claim 1, The video apparatus includes a channel stage including a tuner for tuning a channel desired by a user, a channel decoder for decoding a broadcast signal input through the tuned channel into a transport stream; And a display unit for displaying the data processed by the data processor. The method of claim 9, The video device further comprises an interface unit for interfacing a broadcast program from an external playback device. Detecting a presence of an object in front of the video device when the viewer watches the broadcast program through the video device; Storing the broadcast program when the presence of the thing is detected; And reproducing the stored broadcast program when the existence of the thing is removed. The method of claim 11, And detecting the presence of the object, including the detection distance and the detection time of the object. The method of claim 11, If the presence of the thing is detected, temporarily storing the broadcast program in a temporary storage, counting a time from the existence time of the thing; And storing the broadcast program temporarily stored in the temporary storage unit in the storage unit if the counted time exceeds a predetermined time. The method of claim 11, The stored broadcasting program is displayed on the display unit of the video device in one of picture in picture (PIP) or picture on picture (POP) method. The method of claim 11, And the broadcast program is a real time broadcast program or a broadcast program being played by a playback device. The method of claim 11, When the existence of the thing is captured, for the storage and reproduction of the broadcast program, Selecting a storage menu according to a movement among menu functions of the video apparatus; Inputting the motion capture time and distance; And selecting one or more of the video device and the playback device.

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