KR100617090B1 - Display device and method for setting image thereof - Google Patents

Abstract

The present invention relates to an image apparatus capable of improving the image quality of an image displayed on an image apparatus through a preset genre sample image, and a method of setting the image quality thereof. According to an aspect of the present invention, there is provided a method of setting an image quality of a video apparatus, the method comprising: selecting an image quality change with respect to a broadcast program displayed on a display unit; It provides a method of setting the image quality of a video device comprising the step of resetting the image quality factor of the broadcast program. Therefore, according to the present invention, the image quality of the image displayed on the image device can be automatically optimized.

Image quality improvement

Description

Display device and method for setting image

1 is a block diagram illustrating a video device capable of automatic image quality setting according to the present invention.

2 is a block diagram illustrating an embodiment of an image device capable of automatic image quality setting according to the present invention.

3 is a view for explaining an on-screen display state at the time of automatic image quality setting of a video device capable of automatic image quality setting according to the present invention;

4 to 5 are flowcharts for describing a method of improving image quality using an imaging apparatus according to the present invention.

* Description of the symbols for the main parts of the drawings *

10 tuner and channel decoder 20 data processor

30, 31: display unit 40: storage unit

50: control unit 60: interface unit

200: communication network 300: sample storage server by genre

The present invention relates to an automatic image quality setting, and more particularly, to a video device capable of automatically setting the image quality of an image through a preset genre sample image and a method of setting the image quality thereof.

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 cleaner screen. The ghost phenomenon can be solved on its own, and radio waves reflected by obstacles can be solved on their own.

With this high quality and multifunctionalization, users can set digital TVs according to their preferences through channel setting (Auto Program), channel editing (Edit Program), other picture control, and sound control. I use it.

Recently, a personal video recorder (hereinafter referred to as a PVR) has been added to a digital TV, and a personal video recorder is a device capable of recording digital broadcasts to a hard disk.

In addition to the basic recording function of the PVR, it provides time-shift, instant replay, and other trick play functions, which are further improved than conventional VCRs.

Moreover, PVR has the advantage of being able to record HD quality digital broadcasting at any time on the hard disk and various additional service functions are very attractive to users.

Recently, with the rapid development of storage technology, the capacity of the hard disk mounted on the PVR has also increased greatly, and the amount of programs that can be recorded on the PVR has also increased greatly.

Current PVRs are being integrated with high definition (HD) set-top boxes rather than being used independently. Therefore, it is possible to freely record and reproduce the digital broadcast currently being broadcast.

Such a PVR has functions that are not possible with a conventional TV.

The most important of these is the time shifter function, which selects only the desired stream from the broadcast stream that the user receives and stores it in a memory (HDD, etc.) inside or outside the TV and plays it back at a desired time.

In addition, when the user saves the broadcast contents while leaving the room as needed, the user can connect the stored broadcast contents to the current broadcast contents and view them in real time.

Other features include Fast Forward & Rewind, Slow Motion, Bookmark (BookMark) (Choose where you want to see it again), Clip Recording (Time Shift (Time) Record only the desired section during the shift), and return to the current broadcast position (Return to Live).

In general, the digital TV supports the function of automatically setting the image quality. Such automatic image is limited in kind and does not take into consideration the image quality characteristics of the image. Some consumers may set their own image quality through an image quality expert, which incurs additional costs.

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and an object of the present invention is to provide an image apparatus and its image quality setting method which can improve the image quality of the image displayed on the image apparatus through a preset genre sample image.

In order to achieve the above object, the present invention provides a tuner and channel decoder which decodes a tuner for tuning a channel desired by a user and a broadcast signal input through the tuned channel in the form of a transport stream, and the tuner and channel decoder are transmitted. A data processing unit for encoding and / or decoding data to be reproduced and stored in a stream form, a display unit for displaying an image processed by the data processor, data processed by the data processor, and sample image data for each genre. And a storage unit for storing the storage unit, and controlling the entire image device including the data processor, and controlling to display the image quality factor of the displayed image as the image quality factor of the sample image data for each genre. To provide.

The video apparatus may further include an interface unit for accessing a genre sample storage server external to the video apparatus through a communication network to search and download the sample image data for each genre.

Preferably, the video device is a personal video recorder (PVR) or a network-capable personal video recorder.

The imaging apparatus preferably displays the sample image data separately in a predetermined area of the display unit.

And the sample image data for each genre is stored in the storage unit to be displayed for each image quality factor.

In order to achieve the above object, the present invention provides a method of setting a quality of an image apparatus, the method comprising: selecting a quality change for a broadcast program displayed on a display unit, and selecting a plurality of sample images stored in a storage unit of the image apparatus. And resetting the quality factor of the broadcast program to the quality of one sample image.

The plurality of sample images may be stored for each genre, and the image quality factor may be one or more of sharpness, contrast, hue, and brightness.

Here, when there is no desired sample image among the plurality of sample images stored in the storage unit of the video device, accessing the genre sample storage server outside the video device through a communication network with the interface unit of the video device to retrieve and search the sample image data by genre It is desirable to download and select the desired sample image.

In addition, resetting the quality factor of the broadcast program to the image quality of one of the plurality of sample images stored in the storage unit of the video device,

And displaying the sample image separately from the broadcast program in a predetermined region of the display unit of the image apparatus.

Here, it is preferable to set the changed picture quality factor in association with time and genre information of the electronic program guide information.

Therefore, according to the present invention, it is possible to automatically set the image quality of the image displayed on the image apparatus to an optimal state according to the taste of the user.

Other objects, features and advantages of the present invention will become apparent from the following detailed description of embodiments taken in conjunction with the accompanying drawings.

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

1 is a block diagram illustrating a video device capable of automatic image quality setting according to the present invention.

As shown in FIG. 1, the video device according to the present invention includes a tuner and a channel decoder 10, a data processor 20, a display 30, a storage 40, a controller 50 and / or an interface unit ( 60).

Here, the tuner and channel decoder 10 decodes a broadcast signal input through a tuner tuned to a channel desired by the user and the tuned channel into a transport stream.

The data processor 20 encodes and / or decodes the tuner and the channel decoder 10 to reproduce and store data decoded in the form of a transport stream.

The display unit 30 displays the image and caption data processed by the data processor 20.

The storage 40 stores data processed by the data processor 20 and / or sample image data for each genre. The storage unit 40 may be configured as a hard disk (HDD).

The controller 50 controls the entire image apparatus 10 including the data processor 20 and controls to display the image quality factor of the displayed image as the image quality factor of the sample image data for each genre.

The interface unit 60 is a modem capable of searching and downloading sample image data by genre by accessing the genre-specific sample storage server 300 through the communication network 200.

2 is a block diagram illustrating an embodiment of an image device capable of automatic image quality setting according to the present invention, and FIG. 3 is an on-screen display during automatic image quality setting of an image apparatus capable of automatic image quality setting according to the present invention. It is a figure for explaining the OSD) state.

The video device 100 capable of setting automatic image quality according to the present invention is a personal video recorder (PVR) having a storage unit 40 or a personal video recorder capable of network.

The storage unit 40 of the imaging apparatus 100 according to the present invention includes genres such as sharpness, contrast, hue (hue), brightness, etc. according to the genre of the image in the expert group. Optimized image quality factor is saved.

In addition to the genre sample image in the storage unit 40, the interface is connected to the sample image server 300 by genre to download a desired image to the storage unit 40, or in real time the picture-in-picture (PIP) on the sub display unit 31 After checking the image as a picture on a picture (POP) or a picture on the picture (POP), it is selected according to the user's taste and the selected sample image is updated.

Accordingly, the user selects a video sample by genre according to his / her preference and accesses the storage unit 40 or the sample video storage server 300 by genre for displaying the actual image being broadcast, and displays the same image quality as the searched and downloaded sample video. I would have to.

In addition, these setting values are linked with the EPG information so that when the screen of the same genre is seen at the same time in the future, the setting values are automatically converted to the previous image quality setting values.

That is, as illustrated in FIG. 3, documentary 1, 2, 3. or 3 may be used for optimal image quality factors (Factor) by genre such as Sharpness, Contrast, Hue, Brightness, etc. Movies 1, 2, 3. or dramas 1, 2, 3, such as a plurality of genre sample video is prepared so that the user can choose according to their preferences.

Such genre sample images may be stored in a storage unit within the video device, or the user may search and download more genre sample images by accessing the genre sample image storage server 300 through an interface unit and a communication network. . Therefore, even if there is no storage unit in the video device, the user can select the image quality of the image displayed through the display unit of the video device by accessing the sample image storage server 300 for each genre.

4 to 5 are flowcharts for describing a method of improving image quality using an imaging apparatus according to the present invention.

In the image quality improving method using the video device according to the present invention, when the program to be viewed is selected by checking electronic program guide (EPG) information, the program is displayed on the display unit. At this time, when the user selects the image quality setting (S10), it is determined whether automatic image quality setting (image quality change) is made (S20).

If it is determined that the automatic picture quality is not set (S20), the user can watch the current broadcast program by displaying the picture in normal picture quality (S160).

However, in the case where automatic image quality is set (S20), it is determined whether a desired sample exists in the storage unit (S30).

As a result of determination (S30), if there is no desired sample, the server accesses the server and searches for a sample image of the desired genre (S40).

It is determined whether a search result sample has been downloaded (S50).

If it is determined that the sample is downloaded (S50), it is determined whether there is a desired sample through the video device storage unit (S30).

If there is a desired sample or the sample is downloaded (S30) (S50), a genre is selected (S60).

Next, a sample is selected (S70).

In operation S80, the sub-display unit 31 of the imaging apparatus may view a sample image (sub image) in the form of a picture in picture (PIP) (or picture on picture (POP)).

Next, it is determined whether the broadcast video is changed by the image quality of the sample (S90).

As a result of the determination (S90), if the broadcast image is not changed to the image quality of the sample, the genre is changed and another sample image is selected and viewed again (S60) (S70) and S80.

When the change of the broadcast program image is selected as the quality of the sample image (S90), the quality of the broadcast is determined by the quality of the sample image (Sharpness, Contrast, Hue (hue) of the broadcast program). Change to brightness (S100).

Next, it is determined whether the image quality is determined by the changed value (the image quality of the sample image) (S110).

If it is determined that the image quality is not determined by the changed value (S110), the genre is changed to select another sample image for viewing again (S60) (S70) and S80.

However, if the image quality is determined by the changed value (S110), the changed image quality factor (element) is stored (S120).

Next, it is determined whether the user associates with the EPG information (S130).

If it is determined to be linked to the EPG information (S130), the time and genre information of the EPG information and the quality setting value are stored (S140). That is, in the case of similar or the same genre, the image quality is automatically selected and reset based on the quality factor set by the current user.

Next, it is determined whether automatic image quality selection is finished (S150).

As a result of determination (S150), when the automatic image quality selection is finished, the current main program is watched through the video device (S160).

However, if the automatic picture quality selection is not ended, the desired sample is found again (S30). This case is for changing and selecting image quality elements for broadcast programs of different genres.

According to the video apparatus and the image quality setting method of the present invention described above, the image quality displayed on the video apparatus can be automatically optimized for each genre according to the taste of the user.

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 (10)

A tuner and channel decoder which decodes a tuner for tuning a channel desired by a user and a broadcast signal input through the tuned channel into a transport stream; A data processor which encodes and / or decodes the tuner and the channel decoder so as to reproduce and store the decoded data in the form of a transport stream; A display unit which displays an image processed by the data processor; A storage unit which stores data processed by the data processor and sample image data for each genre; And a controller for controlling the entire image apparatus including the data processor, and controlling to display the image quality factor of the displayed image as the image quality factor of the sample image data for each genre. The method of claim 1, And the image device further comprises an interface unit for accessing a genre sample storage server outside the image device through a communication network to retrieve and download the sample image data for each genre. The method of claim 1, The video device is a personal video recorder (PVR) or a video device, characterized in that a network capable personal video recorder. The method of claim 1, And the imaging apparatus displays the sample image data separately in a predetermined area of the display unit. The method of claim 1, And the sample image data for each genre is stored in the storage unit to be displayed for each image quality factor. In the image quality setting method in a video device, Selecting a quality change for the broadcast program displayed on the display unit; And resetting an image quality factor of the broadcast program to the image quality of one of the plurality of sample images stored in the storage unit of the image device. The method of claim 6, The plurality of sample images are stored for each genre, and the image quality factor is at least one of sharpness, contrast, hue, and brightness. Way. The method of claim 6, When there is no desired sample image among the plurality of sample images stored in the storage unit of the image device, And selecting a desired sample image by searching and downloading the sample image data for each genre by accessing a sample storage server for each genre external to the image apparatus through a communication network and a communication network of the image apparatus. The method of claim 6, Resetting the quality factor of the broadcast program to the image quality of one of the plurality of sample images stored in the storage of the video device, And displaying the sample image separately from the broadcast program in a predetermined region of the display unit of the image apparatus. The method of claim 6, And setting the changed quality factor in association with time and genre information of the electronic program guide information.

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