Video and Image Processing Suite User Guide

ID 683416
Date 9/29/2022
Public
Document Table of Contents

20. Scaler II IP Core

The Scaler II IP core resizes video streams, and supports nearest neighbor, bilinear, bicubic and polyphase (with or without simple edge adaptation) scaling algorithms. The Scaler II algorithms support 4:2:2 sampled video data.
The Scaler II IP core automatically changes the input resolution using control packets. You can also configure the IP core to change the output resolution and/or filter coefficients at run time using an Avalon-MM slave interface.
Table 61.  Formal definitions of the Scaling Algorithms
Algorithm Definition
win Input image width
hin Input image height
wout Output image width
hout Output image height
F Function that returns an intensity value for a given point on the input image
O Function that returns an intensity value on the output image

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