Crop edge of DVD ? - Club CDFreaks

*nmpaulcp* · 11-03-2004

Is it possible to crop the edge of a short dvd movie. It is a presentation for work that someone made, (pretty crappy work IMO) but I would like to remove a band of distortion like you see at the bottom of a VCR movie when the tracking is off but it is on the side. It is only 5 minutes or so long and was considering trying to convert to avi or divx and then fixing it with TMPGEnc and reverting back to dvd. Hate to end up with a bad picture. Any ideas?

**ChickenMan** · 12-03-2004

Yep, but you need to reencode it. Follow the DVD to DVDR Tutorial. In DVD2SVCD's Frameserver Tab, select Edit as Part of Video Encoding and strart the encode. When the window pops up (just after Audio extracted/converted) change the line from:

BicubicResize(720,480,0.0,0.6)

to this and include the 2 extra lines:

Crop(16,0,688,480)
BicubicResize(688,480,0.0,0.6)
AddBorders(16,0,16,0)

Change the number 480 (NTSC) to 576 if its a PAL conversion. This will remove 16 pixels from left and right sides and add in black bars in their place.

*DiiZzY* · 12-03-2004

You probably want to use lanczosResize rather than Bicubic to maintain sharpness.
//Danne

*rdgrimes* · 12-03-2004

Procoder Express includes cropping options, very easy to use and many times faster then TMPGEnc.

*nmpaulcp* · 13-03-2004

Quote:

Originally posted by ChickenMan
Yep, but you need to reencode it. Follow the DVD to DVDR Tutorial. In DVD2SVCD's Frameserver Tab, select Edit as Part of Video Encoding and strart the encode. When the window pops up (just after Audio extracted/converted) change the line from:

BicubicResize(720,480,0.0,0.6)

to this and include the 2 extra lines:

Crop(16,0,688,480)
BicubicResize(688,480,0.0,0.6)
AddBorders(16,0,16,0)

Change the number 480 (NTSC) to 576 if its a PAL conversion. This will remove 16 pixels from left and right sides and add in black bars in their place.

Thanks again for an excellent tut.

*rdgrimes* · 13-03-2004

Procoder Express lets you drag each of the 4 borders to where you want it. Much nicer as it eliminates guesswork.

celtic_druid · 15-03-2004

In the above example it doesn't matter what resize filter you use as the video is not being resized.

crop(16,0,-16,0)
AddBorders(16,0,16,0)

does the same thing and works fine for PAL or NTSC.

Also rather than crop() and addborders() it is probably easier just to use Letterbox()

Something like Letterbox(0,8) to replace the bottom 8 pixels with black.

Could also try FillMargins(0,0,0,8) which would use the edge colours rather than black to fill.

11-03-2004	#1 (permalink)
nmpaulcp CDFreaks Resident Join Date: Jan 2003 Location: On the westside Posts: 1,381	Crop edge of DVD ? <a href='http://adstats.cdfreaks.com/www/delivery/ck.php?n=a13febf7&cb=INSERT_RANDOM_NUMBER_HERE' target='_blank'><img src='http://adstats.cdfreaks.com/www/delivery/avw.php?zoneid=30&cb=INSERT_RANDOM_NUMBER_HERE&n=a13febf7' border='0' alt='' /></a> Is it possible to crop the edge of a short dvd movie. It is a presentation for work that someone made, (pretty crappy work IMO) but I would like to remove a band of distortion like you see at the bottom of a VCR movie when the tracking is off but it is on the side. It is only 5 minutes or so long and was considering trying to convert to avi or divx and then fixing it with TMPGEnc and reverting back to dvd. Hate to end up with a bad picture. Any ideas?

12-03-2004	#2 (permalink)
ChickenMan Senior Moderator Join Date: Apr 2002 Location: Oz Posts: 2,645	Yep, but you need to reencode it. Follow the DVD to DVDR Tutorial. In DVD2SVCD's Frameserver Tab, select Edit as Part of Video Encoding and strart the encode. When the window pops up (just after Audio extracted/converted) change the line from: BicubicResize(720,480,0.0,0.6) to this and include the 2 extra lines: Crop(16,0,688,480) BicubicResize(688,480,0.0,0.6) AddBorders(16,0,16,0) Change the number 480 (NTSC) to 576 if its a PAL conversion. This will remove 16 pixels from left and right sides and add in black bars in their place. __________________ Cheers, CM Please don't PM me with technical questions, use the Forum, that's what it's here for. Last edited by ChickenMan; 12-03-2004 at 11:15.

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12-03-2004	#3 (permalink)
DiiZzY CDFreaks Resident Join Date: Feb 2004 Location: Nordic Region, Sweden Posts: 2,859	You probably want to use lanczosResize rather than Bicubic to maintain sharpness. //Danne

12-03-2004	#4 (permalink)
rdgrimes Retired Moderator Join Date: Jun 2002 Location: Deadwood Posts: 11,449	Procoder Express includes cropping options, very easy to use and many times faster then TMPGEnc.

13-03-2004	#6 (permalink)
rdgrimes Retired Moderator Join Date: Jun 2002 Location: Deadwood Posts: 11,449	Procoder Express lets you drag each of the 4 borders to where you want it. Much nicer as it eliminates guesswork.

15-03-2004	#7 (permalink)
celtic_druid CD Freaks Member Join Date: Feb 2001 Posts: 204	In the above example it doesn't matter what resize filter you use as the video is not being resized. crop(16,0,-16,0) AddBorders(16,0,16,0) does the same thing and works fine for PAL or NTSC. Also rather than crop() and addborders() it is probably easier just to use Letterbox() Something like Letterbox(0,8) to replace the bottom 8 pixels with black. Could also try FillMargins(0,0,0,8) which would use the edge colours rather than black to fill.