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#1 Fri 5th Oct 07 18:38

tw1965
Guru
From: Taipei, Taiwan
Registered: Mon 5th Jan 04
Posts: 2052
Website

Interlace, Progressive and Deinterlacing Arcticles

You can refer to the following pictures for the image before and after DeInterlacing :
http://tw1965.myweb.hinet.net/DeInterlacing/DeInterlace_10.JPG
http://tw1965.myweb.hinet.net/DeInterlacing/DeInterlace_08.JPG
http://tw1965.myweb.hinet.net/DeInterlacing/DeInterlace_06.JPG
http://tw1965.myweb.hinet.net/DeInterlacing/DeInterlace_07.JPG
http://tw1965.myweb.hinet.net/DeInterlacing/DeInterlace_09.JPG
http://tw1965.myweb.hinet.net/DeInterlacing/DeInterlace_04.JPG




Both the traditional CRT TV and CRT monitor are interlace devices.
Both the LCD TV and LCD monitor are non-interlace devices.

You will see "Ghosting" image or "Sticking" image when display the fast motion interlace video on the non-interlace device.
The "Deinterlacing" technology is developing to improve the display quality.

What is Deinterlacing? Facts, solutions, examples.
http://www.100fps.com/
Example 1 :
http://www.100fps.com/distortion2.jpg
http://www.100fps.com/distortion_ok.jpg
Example 2 :
http://www.100fps.com/chromainterlaced_interlaced.jpg
http://www.100fps.com/chromainterlaced_deinterlaced.jpg
Example 3:
Original Interlace
http://www.100fps.com/dah_interlaced.jpg
Use Blend Deinterlacing method
http://www.100fps.com/dah_blend.jpg
Use Area based Deinterlacing method
http://www.100fps.com/dah_blendmiceteeth.jpg
Use Motion Blur Deinterlacing method
http://www.100fps.com/dah_blur.jpg
http://www.100fps.com/dah_motionblur.jpg
Use Adaptive Deinterlacing method
http://www.100fps.com/dah_pos1.jpg
http://www.100fps.com/dah_pos2.jpg
And Motion compensation method ...


Understanding Video Sources :
http://www.digitalfaq.com/dvdguides/cap … source.htm
http://tw1965.myweb.hinet.net/DeInterlacing/DigFAQ_01.JPG
http://tw1965.myweb.hinet.net/DeInterlacing/DigFAQ_02.JPG

DVD Player Benchmark - Part 5 - Progressive Scan DVD
http://www.hometheaterhifi.com/volume_7 … -2000.html

Deinterlacing - Wikipedia
http://en.wikipedia.org/wiki/Deinterlacing

PC Magazine : Deinterlace.
http://www.pcmag.com/encyclopedia_term/ … 088,00.asp

Display Technology : Motion Artifacts and Digital Motion Artifacts
http://www.extremetech.com/article2/0,1 … 457,00.asp
http://www.extremetech.com/article2/0,1 … 458,00.asp

DScaler
http://deinterlace.sourceforge.net/about.htm
http://deinterlace.sourceforge.net/abou … nterlacing
http://deinterlace.sourceforge.net/Help/
http://tw1965.myweb.hinet.net/DeInterlacing/DScaler.JPG
TomsMoComp : http://forum.doom9.org/showthread.php?s … adid=28778

Avisynth : DeInterlacing
http://avisynth.org/DeInterlacing
http://forum.doom9.org/showthread.php?t=101395

MSU Deinterlacer
http://www.compression.ru/video/deinter … ex_en.html
http://www.compression.ru/video/deinter … ex_en.html

Deinterlacing Patents
http://www.freepatentsonline.com/7142223.html
http://www.freepatentsonline.com/20040160526.html

Windows DirectShow Deinterlacing Filters :
CyberLink : PCMDV_ditlyuy2.ax, DitlYuY2.ax, WFDIF.ax, ...
Ulead (Corel) : deinterlace.ax, ...
ArcSoft : deinterlace.ax/AdvDeInterlace.dll, ...
DScaler : Deinterlace.ax/DI_TomsMoComp.dll/...,
...

Use the GSpot v2.70a to verify the recorded MPEG2 file is Interlace or Progressive :
http://www.headbands.com/gspot/v26x/GSpot270a.zip
http://www.headbands.com/gspot/v26x/index.htm
http://www.headbands.com/gspot/mpeg_int … cators.htm
[I/L] -> Interlace
[PROG] -> Progressive
These two indicators indicate "interlaced" or "progressive scan" (non-interlaced), respectively.  Inclusion of the pair is a convenience, albeit a bit redundant, as the two are complementary: any time one is active the other is not. They may, however, both be grayed; as with the other indicators, this simply means the information is not available.
[CBR] : Constant BitRate
[VBR] : Variable BitRate
For examples,
480i MPEG2 (VBR, 4:3) :
http://tw1965.myweb.hinet.net/DeInterlacing/480i.JPG
576i MPEG2 (VBR, 4:3) :
http://tw1965.myweb.hinet.net/DeInterlacing/576i_43.JPG
576i MPEG2 (VBR, 16:9) :
http://tw1965.myweb.hinet.net/DeInterlacing/576i.JPG
576p MPEG2 (CBR, 16:9):
http://tw1965.myweb.hinet.net/DeInterlacing/576p.JPG
720p MPEG2 (CBR, 16:9) :
http://tw1965.myweb.hinet.net/DeInterlacing/720p.JPG
1080i MPEG2 (CBR, 16:9):
http://tw1965.myweb.hinet.net/DeInterlacing/1080i.JPG
1080i MPEG2 (VBR, 16:9):
http://tw1965.myweb.hinet.net/DeInterlacing/1080i_VBR.JPG


You can use the VLC Media Player to play the Interlace (480i/576i/1080i) MPEG2 file.
And choice the different DeInterlace method in the VLC Media Player to see
the result of DeInterlacing :
http://www.videolan.org/vlc/download-windows.html
http://www.videolan.org/vlc/
http://tw1965.myweb.hinet.net/DeInterlacing/VLC.JPG

Many softwares have their own DeInterlace method.
For example, it is called "Smart Video DeInterlacing" in the CyberLink PowerDVD 7 series :
http://tw1965.myweb.hinet.net/DeInterlacing/PowerDVD.JPG
http://tw1965.myweb.hinet.net/DeInterlacing/PowerDVD_DeInterlace.JPG

Q:Can the software MPEG2 encoder support both Interlace and Progressive mode ?
A:Yes. CyberLink MPEG2 encoder can do that.

CyberLink MPEG2 encoder’s encode modes :
ENC_MODE_FRAME: output video in progressive frame mode
ENC_MODE_SINGLEIFRAME: output video single I-frame mode
ENC_MODE_FIELD_TOP: output video is field encoding, top field first
ENC_MODE_FIELD_BOTTOM: output video is field encoding, bottom field first
ENC_MODE_FIELD_TOPTOBOTTOM: input video is top field first, output video is shifted to bottom field first
ENC_MODE_FIELD_BOTTOMTOTOP: input video is bottom field first, output video is shifted to top field first
ENC_MODE_INTERLACE_FIELD_TOP: for top field first interlace video encoding
ENC_MODE_INTERLACE_FIELD_BOTTOM: for bottom field first interlace video encoding
ENC_MODE_FAKE_FIELD_TOPTOBOTTOM: input video is top field first, output video is shifted to bottom field first
ENC_MODE_FAKE_FIELD_BOTTOMTPTOP: input video is bottom field first, output video is shifted to top field first

Q:Can the Conexant hardware MPEG2 encoder CX23416/CX23417 support both Interlace and Progressive mode ?
A:No. The Progressive mode is not supported in the current firmware of Conexant CX23416/CX23417.

Q:Can the "video decoder" implement the DeInterlacing ?
A:Many popular video decoders do not implement the DeInterlacing,
such as BT878/9, CX23880/1/2/3, CX25843/2/1, CX23885, CX23418, SAA7115/4/3, SAA7130/1/2/3/4, SAA7136, SAA7162, TI5150, ..., etc.

...
http://www.digit-life.com/articles2/vid … o_dec.html

Last edited by tw1965 (Fri 26th Oct 07 14:13)

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#2 Tue 8th Dec 09 06:30

yoyohh
Inquisitor
Registered: Tue 8th Dec 09
Posts: 15

Re: Interlace, Progressive and Deinterlacing Arcticles

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#3 Fri 6th Aug 10 16:32

Davidcam12
Newbie
Registered: Fri 6th Aug 10
Posts: 1

Re: Interlace, Progressive and Deinterlacing Arcticles

Woow..This is a nice work with pictures..smile

I compare these pictures with my work..

I want to get more pictures..

Thanks..


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#4 Yesterday 07:27

ysl
Expert
Registered: Wed 1st Sep 10
Posts: 105

Re: Interlace, Progressive and Deinterlacing Arcticles

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