KR20060038575A - Dispaly apparatus and method for selecting display mode - Google Patents

Abstract

The present invention relates to a video display device and a video mode adjusting method, and more particularly, to a method of adjusting a video mode of a video display device suitable for a video signal by scanning a stored video signal in advance.

An image display device according to the present invention includes a tuner for receiving a broadcast signal, an MPEG A / V decoder for separating and demodulating video and audio signals from a received broadcast signal, an image processing unit and a display unit for processing and displaying a video signal; An audio processor and a speaker for processing and outputting an audio signal, a storage unit for storing image data and audio data, an image analyzer for scanning and analyzing the image data, and the storage unit according to a user's request command And a controller for reproducing the image data stored in the selected image mode according to the analysis result of the image analyzer.

Video analysis, video mode

Description

How to adjust video display device and video mode {DISPALY APPARATUS AND METHOD FOR SELECTING DISPLAY MODE}

1 is a view for explaining an image display device according to the present invention.

2 is a flowchart for explaining a video mode adjusting method according to the present invention;

<Explanation of symbols for main parts of drawing>

10; Tuner 11; MPEG A / V Decoder

12; An audio processor 13; speaker

14; An image processor 15; Display part

16; Control unit 17; Storage

18; Image analyzer

The present invention relates to a video display device and a video mode adjusting method, and more particularly, to a method of adjusting a video mode of a video display device suitable for a video signal by scanning a stored video signal in advance.                         

Due to the implementation of digital TV, methods for displaying images more effectively for a specific image pattern have been applied.

For example, in a fighting scene of a drama, an image is displayed to dynamically move an image, and when a horror movie is watched, an image is displayed to make a more fearful feeling.

Meanwhile, even in the case of movies of the same genre, there is a need to provide images of various atmospheres for each scene.

However, since the digital TV processes and provides a video signal transmitted in real time in real time, an image of only one frame is analyzed in real time without accurate analysis and displayed in a video mode suitable for this.

However, when viewing a previously stored video image in addition to the video signal transmitted in real time, it is possible to accurately analyze the image and thus optimal image processing.

An object of the present invention is to provide an image display device and an image mode adjusting method capable of performing an analysis on an image by pre-scanning the stored image signal when the stored image is reproduced, and displaying the image in the optimum image mode. do.

An image display device according to the present invention includes a tuner for receiving a broadcast signal, an MPEG A / V decoder for separating and demodulating video and audio signals from a received broadcast signal, an image processing unit and a display unit for processing and displaying a video signal; An audio processor and a speaker for processing and outputting an audio signal, a storage unit for storing image data and audio data, an image analyzer for scanning and analyzing the image data, and the storage unit according to a user's request command And a controller for reproducing the image data stored in the selected image mode according to the analysis result of the image analyzer.

Preferably, the image analyzer analyzes the stored image data for each frame and selects and stores an image mode suitable for each frame.

According to an aspect of the present invention, there is provided a method of adjusting an image mode by scanning stored image data, analyzing an image factor for each frame, selecting and storing an image mode suitable for each frame as a result of the analysis, and reproducing commands for the image data. And reproducing the stored image data according to the stored image mode for each frame.

Hereinafter, an image display device and an image mode adjusting method according to the present invention will be described in detail with reference to the accompanying drawings.

1 is a view illustrating an image display device according to the present invention.

The video display device according to the present invention comprises a tuner 10 for receiving a digital broadcast signal, an MPEG A / V decoder 11 for separating and demodulating the compressed video and audio signals from the digital broadcast signal, and processing the video signal. An image processing unit 14 and a display unit 15 to display, an audio processing unit 12 and a speaker 13 to process and output an audio signal, a storage unit 17 storing image and audio data, and the storage An image analyzing unit 18 that analyzes the image data stored in the unit 17, and a control unit that controls the configurations and controls the image data stored in the storage unit 17 to be displayed in an optimal image mode. (16) is included.

The tuner 10 tunes a received broadcast signal, although not shown, it is also possible to receive the broadcast signal through an external input terminal.

The image processor 14 and the display unit 15 reproduce the received broadcast or stored image data, and the audio processor 12 and the speaker 13 allow audio data synchronized with the image to be output.

The image analyzer 18 analyzes the main factor of the image by scanning the image data stored in the storage unit 17.

For example, the brightness, color, motion, contrast, and scene change of an image are analyzed, and the analyzed data is stored in the storage unit 17.

In this case, more precise analysis is possible because the stored image data is analyzed.

That is, when image data is analyzed and reproduced in real time, when the image factor changes rapidly, it is impossible to appropriately change the image mode accordingly.

However, the present invention can provide an optimal image mode in the playback process by analyzing the stored image data in advance and selecting and storing the image mode.

Preferably, the image analyzer 18 analyzes the stored image data for each frame and stores an image mode suitable for each frame.                     

Therefore, even if a sudden scene change occurs in the process of playing the image, it can be displayed in the optimum image mode in response to this.

2 is a flowchart illustrating a video mode adjusting method according to the present invention.

Referring to FIG. 2, first, the stored image data is scanned to analyze an image factor for each frame (S100).

The stored image data may be a recording of a received broadcast, or may be stored in the image display device through an input / output terminal or a removable storage medium.

As a factor of analyzing the image in the image analyzer, luminance, color, scene change, motion, etc. of the image may be illustrated, and the optimal image mode for each frame is stored according to the analysis result (S110).

In this case, the selection of an image mode according to the analysis result may be recorded in an analysis table in the storage unit, and the image analyzer selects an optimal image mode by comparing the analysis result with the analysis table.

When a playback command for the stored image data is input according to a user's key input, the controller plays back the corresponding image data according to the stored image mode for each frame of the stored image data (S130).

As described above, the present invention analyzes the stored image data, selects the most optimal image mode, and reproduces the selected image mode during the reproduction of the image data, thereby enabling optimal image processing.

 The image display device and the image mode adjusting method according to the present invention can display the optimal image mode when playing the stored image.

Claims (3)

A tuner for receiving broadcast signals, An MPEG A / V decoder for separating and demodulating video and audio signals from a received broadcast signal; An image processor and a display unit for processing and displaying an image signal; An audio processor and a speaker for processing and outputting a voice signal; A storage unit storing image data and audio data; An image analyzer configured to scan the image data and perform analysis; And a controller for reproducing the image data stored in the storage unit in the image mode selected according to the analysis result of the image analyzer according to a user's request command. The method of claim 1, And the image analyzing unit analyzes the stored image data for each frame and selects and stores an image mode suitable for each frame. Analyzing the image factors for each frame while scanning the stored image data; Selecting and storing an image mode suitable for each frame as a result of the analysis; And reproducing the stored image data according to the stored image mode for each frame when a reproduction command for the image data is input.

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