Smart Deinterlacer Filter for VirtualDub

23 Mar 2015 | Author: | Comments Off on Smart Deinterlacer Filter for VirtualDub


Smart

Deinterlacer Filter

The Deinterlacer Filter is an external for use with Avery Lee’s video tool VirtualDub. The will automatically load at of VirtualDub and be available in the filters presented by the Filters/Add function.

are encouraged to study the VirtualDub files to become familiar this excellent video and to understand how it interacts with the deinterlace filter. For those a quick start, detailed for using the filter with are available.

This filter provides a , motion-based deinterlacing capability. In picture areas, interlacing do not appear, so data from fields is used to provide detail. In moving areas, is performed.

This beta DCDi-like edge-directed interpolation. It can reduce stairstepping (jaggies) in picture areas.

This version adds optional interpolation for recreating lines in areas.

Version 2.6 has the following

Compiled as a multithreaded DLL to reduce size.

Scene change detection (see help file).

code cleaned up and comments

Luma calculations made accurate.

Filter defaults

Help changed to HTML.

better parameters for motion-map

Version 2.5 allowed both Processing and Motion Processing to be if desired.

Version 2.4 repacked the box to fit in 640×480 pixels.

Version 2.3 the Advanced Processing settings to more capture card and massively revises and expands the text regarding Advanced Two bugs were also 1) If Advanced Processing was selected field-only differencing was selected, the crashed. 2) The special processing for the first frame in Advanced mode failed after a

Thanks to Simon Walters for this release.

Version 2.2 a frame-only differencing mode and an to select between luminance or color-channel comparisons. Please see the file contained in the zip file for details.

Version 2.1 improved the differencing mode, and changed to a gray background for the show-motion-areas-only

Version 2.0 added a field-only mode, useful for certain of clips, and motion map denoising, allows much smaller to be used without causing noise artifacting. Please see the file for more details.

1.8 added additional options for PAL and fixed a problem with the file path. Thanks to Hoornweg for pointing out the need for new PAL options and for providing a test

Version 1.7 brought a new method of pixels to determine if motion has Previously, the luma difference was Now each color component is as described above.

This has several advantages. Two colors can have the same and that would have an incorrect motion decision the previous algorithm. Also, the of the luminance equation is really not because although (say) contributes little to the luminance, can make very fine discriminations in the blue region.

A side effect of this new of determining motion is that the detection code is no longer The new algorithm performs so well on all my files (scene changes fields of a frame, 3:2 pulldown, pulldown, etc.) that the detection code could be out.

Thanks to Jim Casaburi for suggesting comparison.

This release added an advanced processing to deal with certain PAL sequences, and a help capability.

Thalin deserves credit for clear the importance of intra-frame comparisons, and for providing torture The field-only differencing algorithm was his

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