Does LTs support windowleveling the color image( NTSC format)

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This topic and its replies were posted before the current version of LEADTOOLS was released and may no longer be applicable.

#1 Posted : Thursday, December 17, 2009 11:02:18 PM(UTC)

gag2463

Groups: Registered
Posts: 19

hi! I want to windowleveling the color image, how should I do...the customer required me to convert the Y of color image's NTSC format, how does Lts support this..? and i know that first i should convert the RGB format to NTSC format(and i know the interface.), and then how should i do ?


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#2 Posted : Sunday, December 20, 2009 4:58:14 AM(UTC)

Maen Hasan

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Posts: 1,326

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What exactly do you mean by NTSC format? Do you mean the YUV color space?
If you want to modify the Y component without affecting the U and V components, you can do that using LEADTOOLS. One way is to split the image into 3 Y, U and V planes, process each plane individually, then combine them again to get the modified color image.

To split the planes, you can use the ColorSeparateCommand Class with the YUV flag.

You can merge them using the ColorMergeCommand Class.

Thanks,
Maen Badwan
LEADTOOLS Technical Support

#3 Posted : Sunday, December 20, 2009 9:07:52 PM(UTC)

gag2463

Groups: Registered
Posts: 19

thank u

yeah! i mean the YUV space.

I found the MedicalView can windowleveling the color image by mouse move, and attached the screenshots .

1. does MedicalView also change Y space?

2. what ' s the different between windowleveling the gray image and the color image?

Thanks !

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#4 Posted : Monday, December 21, 2009 5:30:59 AM(UTC)

Maen Hasan

Groups: Registered, Tech Support
Posts: 1,326

Was thanked: 1 time(s) in 1 post(s)

1. There's no support for directly manipulating the Y component of a color image in our medical viewer control.
2. There is no real Window Leveling for color images. Setting this action on color images in the viewer enables the user to change the display brightness and Contrast.

Thanks,
Maen Badwan
LEADTOOLS Technical Support

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