Quantcast Avisynth: Comparing Unfilter and Sharpen - digitalFAQ.com Forums [Archives]
  #1  
04-05-2003, 04:30 PM
Wolfi Wolfi is offline
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I compared some scripts with each other to see witch was best. I'm kinda new so I really need some help I gonna count up every script I tried with and I hope you wont get bored I'm trying to make a good script for a svcd
The first thing I did was to compare these three scripts

one with both unfilter AND sharpen.


ConvertToYUY2()
LegalClip()
GripCrop(width= 352, height=480, overscan=1)
GripSize(resizer="BicubicResize")
Spacedust()
UnFilter(10,10)
sharpen(0.7)
TemporalSmoother(radius=2, strength=2)
TemporalCleaner(ythresh=1, cthresh=15)
mergechroma(blur(1.5)
mergeluma(blur(0.07))
Convolution3D(preset="movieLQ")
GripBorders()
LegalClip()

and then one with only sharpen and then one with only unfilter plus the other filters.

I used (preset="movieLQ") becaurse it's a DivX source. (High DivX quality I think)
The conclusion was that the script with both unfilter and sharpen had a lower quality then the script with only unfilter and only sharpen

The script with only sharpen and the script with only unfilter was almost identical to each other...Maybe was the one with sharpen a little little bit more clearly then the one with unfilter.

ConvertToYUY2()
LegalClip()
GripCrop(width= 352, height=480, overscan=1)
GripSize(resizer="BicubicResize")
Spacedust()
UnFilter(10,10) <----only Unfilter, LOOK
TemporalSmoother(radius=2, strength=2)
TemporalCleaner(ythresh=1, cthresh=15)
mergechroma(blur(1.5)
mergeluma(blur(0.07))
Convolution3D(preset="movieLQ")
GripBorders()
LegalClip()

That was the first thing I compared, aaand now to the second and nearly last

ConvertToYUY2()
LegalClip()
GripCrop(width= 352, height=480, overscan=1)
GripSize(resizer="BicubicResize")
Spacedust()
sharpen(1.0) <---changed from 0.7 to 1.0
TemporalSmoother(radius=2, strength=3) <---changed, LOOK
TemporalCleaner(ythresh=5, cthresh=10)
mergechroma(blur(1.5)
mergeluma(blur(0.07))
Convolution3D(preset="movieLQ") <---LQ
GripBorders()
LegalClip()

I compared this one with one who I had switch out C3D LQ to C3D HQ
The two output files on a 60sec clip was also identical, I think...

But the most astounding was that I coulnd'nt see differences between

(The one with sharpen)

ConvertToYUY2()
LegalClip()
GripCrop(width= 352, height=480, overscan=1)
GripSize(resizer="BicubicResize")
Spacedust()
sharpen(0.7)
TemporalSmoother(radius=2, strength=2)
TemporalCleaner(ythresh=1, cthresh=15)
mergechroma(blur(1.5)
mergeluma(blur(0.07))
Convolution3D(preset="movieLQ")
GripBorders()
LegalClip()

and this script

ConvertToYUY2()
LegalClip()
GripCrop( width= 352, height=480, overscan=1 )
GripSize()
SpaceDust()
TemporalCleaner()
GripBorders()
LegalClip()

Am I blind or what It has to be something who is differet with these two scripts

If you had the energi to read this SO PLEASE
Were should I look for differences ?
What can I do to make these scripts better, it has to some way I can make this better, I'm a newbie...

Maybe I should take away a filter or somthing or change a command

THANKS A LOT FOR READING THIS

//Wolfi
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  #2  
04-05-2003, 04:54 PM
jorel jorel is offline
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changing unfilter to (50,50) will give you more sharpness too!
i'm reading it all and later i do my simple opinion...

ok friend Wolfi?

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  #3  
04-05-2003, 04:56 PM
Wolfi Wolfi is offline
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Yes! thank you Jorel Friend

//Wolfi
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