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Video Processing Tasks

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Handbook of Visual Display Technology
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Abstract

New display technologies including Liquid Crystal Display (LCD) systems offer large screens and impressive picture quality. However, all displays require sophisticated picture processing to allow these panels to perform at their optimum levels. This chapter focuses on the major signal processing techniques for optimal picture quality.

At first, the state-of-the-art system architecture of the display electronics of a modern LCD displays is given. After explaining the latest deinterlacer technologies, the focus is set to scaling technologies. Then, techniques to reduce motion blur are presented. Finally, a conclusion of the display electronics of modern displays is given, which is followed by an outlook of future developments.

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Abbreviations

AMLCD:

Active-Matrix Liquid Crystal Display

BLB:

Back Light Blinking

Back Light Blinking:

Backlight Is Switched On and Off Synchronously

BLS:

Back Light Scanning

Back Light Scanning:

Backlight Is Switched On and Off Synchronously Row by Row

BFI:

Black Frame Insertion

Black Frame Insertion:

Black Frames are Inserted After Doubling the Picture Frame Rate

CRT:

Cathode Ray Tube, Monitor or TV

Deinterlacing:

Process of Converting Interlaced Video into an Noninterlaced Format

DLP:

Digital Light Processing, Display Technique from Texas Instruments for Projectors

DRAM:

Dynamic Random Access Memory

Eye tracking:

Synonym for Smooth Pursuit

FPD:

Flat-Panel Display

Full-HD:

Complete High Definition, Means Resolution of 1920 x 1080

HD:

High Definition, Minimum Resolution of 1280 x 720 Required

Hz:

Hertz = 1 per Second

Motion blur:

Apparent Streaking of Rapidly Moving Object in Movies

MC:

Motion Compensation

Motion compensation:

Process for Interpolation of Additional Images with the Help of Motion Vectors Calculated by Motion Estimation

ME:

Motion Estimation

Motion Estimation:

Process of Determining Motion Vectors that Describe the Displacement of One 2D Image to Another

ms:

Milliseconds = 1 per One Thousand Seconds

LCD:

Liquid Crystal Display

Overdrive:

Synonym for RTC

PDP:

Plasma Display

QID:

Quasi-Impulse Driving

Quasi-Impulse Driving:

Varying the Luminance from One Image to Another Image, Approximation of a Back Light Blinking

RTC:

Response Time Compensation, Accelerates the LCD’s Response Time

Smooth pursuit:

Ability of the Eye to Follow a Moving Object

Scaler:

Module for Conversion of Video Signals Between Different Resolutions

TCON:

Timing Controller

Timing Controller:

Device for Addressing and Controlling a LCD Panel

2-2/3-2 pull-down:

Method to Transmit Movie Sources Over Interlaced Transmission Channels

References

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Further Reading

  • Autronic-Melchers GmbH, Greschbachstrasse 29, 76229 Karlsruhe. (Rev 02/Nov 07) MOTION Artifacts and display Response Time analysis system

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  • Hartmann S, Schu M (2008) Comparison of various motion blur reduction methods. Electronic Displays Conference 2008 Digest

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  • Laur J, Becker ME (2007) Motion Blur Measurement with a High-Speed Camera. IMID 07 Digest pp 1135–1138

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  • Lee B-w, Yang Y-c, Park D-j, Park P-y, Jeon B, Hong S, Kim T, Moon S, Hong M, Chung K (2006) Spatio-temporal edge enhancement for reducing motion blur. SID 2006 Digest pp 1801–1803

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Correspondence to Markus Schu .

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© 2012 Springer-Verlag Berlin Heidelberg

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Schu, M. (2012). Video Processing Tasks. In: Chen, J., Cranton, W., Fihn, M. (eds) Handbook of Visual Display Technology. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-79567-4_42

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