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Topic: Deinterlacing

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In the News (Mon 22 Jul 19)

  Introduction - Page 1 of 5 in Deinterlacing - Helpedia
In this guide, we're going to learn about deinterlacing and, more important, what solutions are there and which one are better or more suitable to our needs.
The TV or the video player on the computer, before showing the image on the screen, deinterlaces the video, splitting and processing each video frame in order to obtain the two original two frames.
Let's move on and see what kind of problems we may be faced with during the deinterlacing process.
www.helpedia.com /guides/Deinterlacing-guide4-page1.html   (411 words)

  ffmpeg: libpostproc/postprocess_template.c File Reference   (Site not responding. Last check: 2007-10-16)
Deinterlaces the given block by filtering every second line with a (-1 4 2 4 -1) filter.
Deinterlaces the given block by filtering all lines with a (1 2 1) filter.
Deinterlaces the given block by applying a median filter to every second line.
cekirdek.uludag.org.tr /~ismail/ffmpeg-docs/postprocess__template_8c.html   (1050 words)

 Index of /deinterlacing
Deinterlacing progressive content formed like this is simply a matter of knowing which of these two systems is being used.
Deinterlacing is the process taking a stream of interlaced frames and converting it to a stream of progressive frames.
Deinterlacing is useful for viewing interlaced content on a progressive display, and should not be used as a preprocessing stage before TV output.
www.scanline.ca /deinterlacing   (1641 words)

 DVDO Precision Deinterlacing Card ABT102D-card
It eliminates many of the artifacts found in common deinterlacers to produce a smooth image, free of artifacts such as jagged edges and combing.
VRS Precision Deinterlacing features five-field motion-adaptive deinterlacing and edge-adaptive processing for video sources, along with advanced cadence detection for film and animation sources.
Sports fans will appreciate the motion-adaptive and edge-adaptive deinterlacing which preserves the image detail while eliminating ragged edges on low angle diagonals, and flicker.
www.ramelectronics.net /html/DVDO_ABT102D-card.htm   (348 words)

 GOES-12 launch HDTV video footage
Photoshop also has a deinterlace filter that deinterlaces by discarding either the even or odd lines and interpolating back to full vertical resolution.
I compared the output of the Photoshop deinterlace with the output After Effects to try to determine what After Effects was doing.
Here are examples of the Photoshop and After Effects deinterlace from an area of the image that shows the NOAA seagull logo on the rocket.
val.gsfc.nasa.gov /projects/goes_launch   (439 words)

 iMovie FAQ - Smooth Slow Motion
This method deinterlaces each video field (or half frame) and reconstructs a full progressive frame from it, so you get 2x more frames and 2x smoother motion.
Notice that NTSC users may not be able to choose the DV Stream Export in JES Deinterlacer via the "Deinterlace Both fields with Double movie duration" method because, as a bug, iMovie HD sometimes exports.dv files with slightly non-standard reported frame rates such as 29.975 instead of 29.970.
Notice that JES Deinterlacer may stall if it is hidden (via Hide Others command, for example) so avoid doing that when it is active.
www.danslagle.com /mac/iMovie/tips_tricks/6016.shtml   (1133 words)

 Force Film, IVTC and Deinterlacing
DEINTERLACING is the process of removing interlacing effects from the picture.
But, to be on the safe side, you may wish to leave in the Deinterlacer.
Deinterlace only as a last resort, because of the quality hit you'll take.
www.doom9.org /ivtc-tut.htm   (5491 words)

 VirtualDub Filters
This filter deinterlaces the frames only where it's needed by simply looking for interlace lines in each frame individually.
This is a very general deinterlacer since it doesn't care about how the interlace lines appeared.
The smooth deinterlacer below is so much better, but only if you can deal with doubled framerate.
www.guthspot.se /video   (1575 words)

 iMovie HD 6 bugs
The result: a) 16:9 is letterboxed and deinterlaced if the "Automatic DV Pillarboxing and Letterboxing" preference is checked or b) 16:9 video is squashed as 4:3 if the "Automatic DV Pillarboxing and Letterboxing" preference is unchecked.
On the other hand, iMovie HD 6 renders deinterlaced video when it exports to iDVD or to a camcorder so the motion is jerky when watched on an interlaced TV.
JES Deinterlacer or iMovie 4 for reversed effects if the video is interlaced.
www.sjoki.uta.fi /~shmhav/iMovie_HD_6_bugs.html   (7634 words)

 Deinterlacing - PC Magazine Discussions
Deinterlacing Posted: 11-26-2006, 3:42 PM I'm pretty new to all this HDTV stuff/terminology.
I was reading in a recent magazine article that some T.V.'s are able to deinterlace a video signal well which provides for a better picture while other don't do as good a job which results in a less than ideal picture on the screen.
Is there a way I can determine how well a T.V. deinterlaces a signal or is that something I have to leave to the professionals with expensive, high-tech equipment in a lab and then trust their reviews in a magazine?
discuss.pcmag.com /forums/1004353015/ShowPost.aspx   (289 words)

 What is deinterlacing? The best method to deinterlace movies
But even after deinterlacing some red and some green pixels stay where the last field was.
That means that when you deinterlace a movie for your computer or your projector or your TFT monitor, and you want to play it on a standard TV set, your software (or your hardware) have to interlace it again.
In other words: Deinterlacing by blending (which is one of the most frequent ways to deinterlace) simluates fluent motion by blurring and "mushes" 2 consecutive pictures together.
www.100fps.com   (4900 words)

 FieldsKit Update Information   (Site not responding. Last check: 2007-10-16)
On multiprocessor machines, the FieldsKit Deinterlacer version 1.4 would deinterlace everywhere in the right 1/2 of the image whether a motion mask was set up or not.
Addition of mode in FieldsKit Deinterlacer that deinterlaces using the upper field, then deinterlaces using the lower field and blends the two results at 50% each.
E.g., on occasion, there were problems deinterlacing 29.97fps video that was placed into a 59.94 composition, using ReelSmart Deinterlacer, creating a frame for each field of the video.
www.revisionfx.com /rsfkversion.html   (682 words)

 DScaler - Frequently Asked Questions
DScaler is a piece of software that grabs analog, interlaced video, and deinterlaces it to make it a progressive scan feed then allows scaling to any resolution for use on your computer monitor or projector.
BorgTV (aka bTV) that allowed him to deinterlace analog sources with a level of quality unknown at this time.
This proved that complex deinterlacing techniques could be done in realtime and without additionnal dedicated hardware.
deinterlace.sourceforge.net /FAQ.htm   (2270 words)

In this mode, the kernel-based deinterlacing of the moving areas preserves their vertical resolution compared to simple interpolation.
Use the map parameter to tweak the threshold parameter so that just the combed areas of the frame are deinterlaced.
Use it if you still get residual artifacts in only partially deinterlaced areas, but most of the chroma artifacts of version 1.4.0 were eliminated by using a combined motion map for both chroma planes, thus the default of false.
avisynth.org.ru /docs/english/externalfilters/leakkerneldeint.htm   (879 words)

 DScaler 4.1.15 - Playfuls Downloads Search
DScaler is a piece of software that grabs analog, interlaced video, and deinterlaces it to make it a progressive scan feed, then allows scaling to any resolution for use on your computer monitor or pr
DScaler is a piece of software that grabs analog, interlaced video, and deinterlaces it to make it a progressive scan feed, then all...
DScaler is a piece of software that grabs analog, interlaced video, and deinterlaces it to make it a progressive scan feed then allo...
downloads.playfuls.com /download_70772_DScaler.html   (81 words)

QccIMGImageComponentDeinterlace() is a simple image deinterlacer that converts an interlaced image component, input_component, into two non-interlaced (progressive) image components, output_component1 and output_component2.
If supersample is 0, QccIMGImageSequenceDeinterlace() deinterlaces each frame of the sequence via a call to QccIMGImageDeinterlace(), and outputs the first frame of the deinterlaced output frame pair to output_sequence.
In this mode of operation, both deinterlaced frames output by QccIMGImageDeinterlace() are retained and output to output_sequence.
qccpack.sourceforge.net /Documentation/QccIMGImageComponentDeinterlace.3.html   (385 words)

 Deinterlacing - MythTV
Deinterlacing is the process of converting traditional Interlaced Video into a Progressive Picture that can be displayed on modern non interlaced display devices such as LCD or Plasma screens.
If using a Nvidia TV output (composite/svideo) and watching PAL/NTSC signals there should be no need to deinterlace video because the TV output's flicker filter's default setting (of 127) makes interlaced material look perfectly natural - exhibited on FX5200 svideo output - YMMV.
This page was last modified 05:28, 24 April 2006.
www.mythtv.org /wiki/index.php/Deinterlacing   (99 words)

 Field Delay filter for VirtualDub
I made it to deinterlace some strange material from DVB that shows irregular movements when not deinterlacing or deinterlacing with usual deinterlacers.
That's because input frames with interlace-lines are deinterlaced to frames that show the scene at the earlier time or the later time (depending on which field is thrown away).
The idea of the time based deinterlacer (TBDI) is to return one field unchanged and the other field as it could be at the corresponding time by calculating the average value pixel by pixel in the time dimension.
www.uwe-freese.de /software-projekte/virtualdub-filter/TBDI_Doc   (1580 words)

 Too Much Too Soon Plugins 0610 - MacUpdate
Deinterlaces motion areas only, maintaining maximum sharpness and minimizing artifacts.
It gives the image its punch back, with deeper fls and better saturation in dark colors, without changing the brightness of the rest of the image.
This does the exact same thing as the famous "double deinterlace filmlook method," but it renders *a lot* faster.
www.macupdate.com /info.php/id/18653   (806 words)

 Sound And Vision Magazine - Samsung BD-P1000 Blu-ray Disc Player   (Site not responding. Last check: 2007-10-16)
And although I covered this briefly in the main review, it's worth exploring in more detail here given that this is cited by Samsung and in many reviews so far as a key advantage.
The idea here is that the BD-P1000 can somehow benefit from a 1080p TV with a native 1080p input, as opposed to one whose highest input resolution is 1080i, which it deinterlaces to feed its 1080p display.
(Film-originated material has a native frame rate of 24 frames per second, and a good, properly functioning deinterlacer should be able to reconstruct 1080p perfectly from a 1080i signal for any source with an original frame rate of 30 fps or lower.
www.soundandvisionmag.com /wildcard/1683/samsung-bd-p1000-blu-ray-disc-player-page9.html   (567 words)

 Deinterlacing :: Blocks (Video and Image Processing Blockset)
The Deinterlacing block takes the input signal, which is the combination of the top and bottom fields of the interlaced video, and converts it into deinterlaced video using line repetition, linear interpolation, or vertical temporal median filtering.
Use the Deinterlacing method parameter to specify how the block deinterlaces the video.
The model uses this block to remove the motion artifacts from the input image.
mathworks.com /access/helpdesk/help/toolbox/vipblks/deinterlacing.html   (593 words)

 Asus Pundit and Interlaced Output, part III :) | MythTV | Users
A PVR250 system does indeed allow you to deinterlace the TV output.
Deinterlace playback option is enabled in MythTV, then it does
deinterlacing, but i haven't stepped through all the code.
www.gossamer-threads.com /lists/mythtv/users/29577   (1548 words)

A system designed by the motion picture industry, the consumer electronics industry, and finally the computer industry, to prevent the illegal copying of content stored on DVD discs.
Deinterlaces interlaced video content, especially from TV signals or before capturing video content (see interlace for more details).
For deinterlacing content, weave mode the default for DVD titles to ensure quality.
support.dell.com /support/edocs/software/r32443/glossary.htm   (1632 words)

 iMovie FAQ - NTSC to PAL DVD or vice versa
The movie will be a bit jerky due to the different frame rate and because the material is deinterlaced.
When iMovie HD or iDVD converts NTSC<->PAL it deinterlaces the video and just duplicates some frames to make up for the difference in frame rate, so the movement gets jerky.
JES Deinterlacer preserves interlacing and it also intelligently blends more than two video fields from the input file to a frame of the output file, if needed, so the movement is smooth.
www.danslagle.com /mac/iMovie/tips_tricks/6017.shtml   (688 words)

 PS2 games on LCD HDTV's - HDTV Arcade Discussion
The Iscan pro and Iscan plus are both deinterlacers (or linedoublers).
The Iscan Ultra, Iscan HD and other later models both deinterlace and scale the image.
They are generally considered to be the only manufacturer of good deinterlaces at decent prices.
www.hdtvarcade.com /hdtvforum/index.php?showtopic=3994   (1853 words)

 Correct way to de-int NTSC on nVidia MX440? | MythTV | Users
Is there a decent way to deinterlace NTSC with the
Some notes on TV output and deinterlacing are at
The checkbox is right under the deinterlace method.
www.gossamer-threads.com /lists/mythtv/users/185563   (2157 words)

 Lair Of The Multimedia Guru » Deinterlacing filters
Below you will find a comparission of various deinterlacing filters, the interlaced source was created with mplayer using the phase=t and tinterlace=1 filters from the well known foreman video
You have to see a deinterlacer in motion, and see the jagged edges moving around to really appreciate how bad most of them really look.
mcdeint uses the previous deinterlaced frame(s) as reference for the motion estimation and compensation, so its not possible to skip their calculation, we wouldnt have a previous deinterlaced frame otherwise …
guru.multimedia.cx /deinterlacing-filters   (1677 words)

 AMV Post Production - Removing Interlacing   (Site not responding. Last check: 2007-10-16)
This is quite a strong deinterlacing setting but does work surprisingly well on my sources.
This is a good method (thanks to this post for the tip :) It actually requires the use of two virtualdub deinterlacing filters.
This is an excellent new deinterlacing filter and better for general deinterlacing that any other single deinterlacer I've tried.
www.animemusicvideos.org /guides/avtech/avspostivtc.html   (1076 words)

 MSU Deinterlacer / New MSU Full FPS High Quality Deinterlacer   (Site not responding. Last check: 2007-10-16)
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.
Smart Deinterlace by Donald Graft v.2.8 beta 1
www.compression.ru /video/deinterlacing/index_en.html   (433 words)

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