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Project:	Dr. Dmitriy Vatolin
Implementation, ideas:	Maxim Makhinya

Most video sources have interlaced formats (DVD video, Digital video cameras, most standard television transmissions including HDTV, PAL, SECAM etc.). However, most modern video display technologies are progressive based (Plasma panels; LCD TV; CRT High Frequency TV; CRT, LCD displays etc.) and have difficulty displaying interlaced formats. That is why the proper transformation, called de-interlacing, is necessary. We designed a new high quality de-interlacing algorithm. This is a full-fps de-interlacer i.e. it produces one frame for each field (for example, it converts 25i -> 50p), so temporal stability and interpolation of low angle edges was even more attended. Moreover this algorithm is totally automatic. Some comparisons of our algorithm to other methods can be found below.

Results

We have tested our deinterlacer using following sequences: Tennis, Schumacher and Flag (see screenshots below):

Tennis sequence

Shumacher sequence

Flag sequence

Here are zoomed parts of frames from Tennis and Schumacher sequences:

Original Part of frame 36 from Tennis

Smooth Deinterlacing

Proposed

Smart Deinterlace

This example shows considerable advantage of the proposed method over Smooth Deinterlacer and Smart Deinterlace on diagonal edges.
We have also compared our deinterlacer to commercial solutions. The following example demonstrates our advantage in a really hard case - YV12 interlaced source:

Our algorithm has also a big advantage on low angle edges:

References

1.	Boolet Deinterlacer	-	RED GIANT Software Deinterlacing
2.	FieldsKit Deinterlacer	-	RE:Vision Effects, Inc. Deinterlacing
3.	HiCon Deinterlacer	-	Fraunhofer Institut HHI Deinterlacing
4.	Smooth Deinterlacing	-	Smooth Deinterlacing by Gunnar Thalin v.1.1
5.	Smart Deinterlace	-	Smart Deinterlace by Donald Graft v.2.8 beta 1

Download

Please contact us if you are interested in a commercial license.

Previous Deinterlacing project: MSU-Samsung Deinterlacing Project

Other resources

Video resources:

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Last updated: 26-March-2009

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Project sponsored by YUVsoft Corp.

Project supported by MSU Graphics & Media Lab