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Core

Description

Deinterlacer

Converts interlaced video formats to progressive video format

Color Space Converter

Converts image data between a variety of different color spaces

Scaler

Resizes and clips image frames

Alpha Blending Mixer

Mixes and blends multiple image streams

Gamma Corrector

Performs gamma correction on a color space

Chroma Resampler

Changes the sampling rate of the chroma data for image frames

2D Filter

Implements 3x3, 5x5, or 7x7 finite impulse response (FIR) filter

on an image data stream to smooth or sharpen images

2D Median Filter

3x3, 5x5, or 7x7 filter that removes noise in an image by

replacing each pixel value with the median of neighboring pixel

values

Line Buffer Compiler

Efficiently maps image line buffers to Altera

on-chip memory

2. Various format conversion reference designs

that use the SDI video input – primarily

used in broadcast applications. These

designs feature two-channel up/down/cross

conversion that entails polyphase scaling,

motion adaptive deinterlacing, mixing and

frame rate conversion for resolutions up to

1080p. These designs have been verified on

the Stratix II GX Audio Video development

kit.

Reference Design

Demo Board

Features

UDX 3.1

Reference Design

•

Stratix

IV GX

FPGA Development

Kit

• Multi-channel format conversion with selectable inputs

and outputs

• Features multi-port front-end memory controller (with

efficiency > 90%)

• Supports DVI, HDMI, SDI interfaces

• Run-time configurability

• Active Format Descriptor (AFD) extraction and insertion

*Contact Altera Sales for design

Format

Conversion

Reference

Designs (v1)

•

Stratix II GX

Audio/Video

Development Kit

• Stratix IV GX FPGA

Development Kit

• Two-channel up/down/cross conversion: polyphase scaling

motion adaptive deinterlacing, mixing and frame rate

conversion for resolutions up to 1080p

• SDI, DVI, DDR2 memory interfaces

• Run-time configurability of functions using the Nios

embedded processor

•

Output run-time configurable to 480p/720p/1080p

Format

Conversion

Reference

Designs (v2)

•

Stratix II GX

Audio/Video

Development Kit

• Stratix IV GX FPGA

Development Kit

• Arria II GX FPGA

Development Kit

• Two-

channel up/down/cross conversion: polyphase scaling

motion adaptive deinterlacing, mixing and frame rate

conversion for resolutions up to 1080p

• SDI in/SDI out, DDR2 memory interfaces

• Run-time configurability of functions using the Nios II

embedded processor

• Outputs both interlaced and progressive

NTSC-to-HD

Scaling

•

Cyclone

III Video

Processing

Development Kit

• Up conversion of NTSC video to 720p using polyphase

multi-tap scaling and motion adaptive deinterlacing

• Picture-in-picture (PIP) mixing with test pattern

background

• Composite in/DVI out

• Color space conversion, chroma resampling, frame

buffering, alpha blending, and memory controller

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