Digital Processing of Analog Television   Lior Zimet EE392J Final Project Winter 2002 Project Goals System Block Diagram NTSC – 1D Analog Signal Composite Video Spectrum

Digital Processing of Analog Television   Lior Zimet EE392J Final Project Winter 2002 Project Goals System Block Diagram NTSC – 1D Analog Signal Composite Video Spectrum www.phwiki.com

Digital Processing of Analog Television   Lior Zimet EE392J Final Project Winter 2002 Project Goals System Block Diagram NTSC – 1D Analog Signal Composite Video Spectrum

Curran, Paul, Contributing Editor has reference to this Academic Journal, PHwiki organized this Journal Digital Processing of Analog Television Lior Zimet EE392J Final Project Winter 2002 Project Goals Digitize an analog NTSC signal in addition to decode it in software Use digital processing to per as long as m Luminance in addition to Chrominance separation Color demodulation Interlace to progressive conversion System Block Diagram Display

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NTSC – 1D Analog Signal Composite Video Spectrum Y/C Separation – 1D Comb Filter Resampling at 4xFsc will take advantage of the alternate phase in the color modulation Y/C separation can be done within the field Y =( (Ycenter+Ccenter) + (YupperCupper)) / 2 C = ((Ycenter+Ccenter) (YupperCupper)) / 2

Y/C Separation – 2D Adaptive Comb Filter 1D comb filter works perfectly only as long as vertically orientated structures in a picture 2D adaptive comb filter: Weighs the upper line in addition to lower line combing according to horizontal edge detection Uses notch filter in cases where 1D fails Y/C Separation – 3D Comb Filter In still image, pixels are identical from frame to frame The Chrominance phase is alternating Must be disabled when motion is present Motion Artifacts Example

Y/C Separation – 3D Adaptive Comb Filter Y/C Separation Example Color In as long as mation

Color Demodulation De-interlacing Merge fields or interpolate in the pixel domain Use motion detector to decide Snell & Wilcox Pattern

Sequence from “Cheer Leader” Decoded Frame from “Cheer Leader” Motion Detection Apply small motion in addition to large motion detection using adjacent fields Small Motion Large Motion

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Curran, Paul Contributing Editor

Curran, Paul is from United States and they belong to Maximum Rock ‘n Roll and they are from  San Francisco, United States got related to this Particular Journal. and Curran, Paul deal with the subjects like Rock and Alternative Music

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