Comments on Code Beach: Convert a Color Image to a Gray Scale Image in Jav...

Thanks for sharing!

2010-02-03T05:31:46.060-06:00

Thanks for sharing!

Very helpful example, but I get different performa...

2009-10-16T11:32:33.411-05:00

Very helpful example, but I get different performance results with method 1 and 2. Method 1 took me 47 ms and method 2 took 78 ms to transform one 580x580 color image to grayscale.

I think you forgot to mention the memory overhead ...

2009-09-12T11:11:59.094-05:00

I think you forgot to mention the memory overhead for transformation #2 and #3 (additional ImageBuffer in memory)...
transformation #1 should be less memory consuming than the others.

regards

Extremely informative article, well researched and...

2009-04-24T01:07:00.000-05:00

Extremely informative article, well researched and clearly presented. I am thankful Gizmo took the time to share this informative post.

Hey dude.. the code was inofrmative.. But cn u gim...

2009-03-05T08:41:00.000-06:00

Hey dude.. the code was inofrmative.. But cn u gimme where to implement it??? V r working on a title hw to convert JPEG images to PGM....

//import java.io.*;
import javax.media.jai.*;
import javax.imageio.ImageIO;

public class ConvertSpeed
{
private static String inputFileName = "C:\\Program Files\\balloon.jpg";
private static String outputFileName = "C:\\Program Files\\balloon.pgm";

public static void main(String args[])
{
System.out.println("Start....");
File inputFile = new File(inputFileName);

RenderedOp src = JAI.create("fileload", inputFile.getAbsolutePath());
FileOutputStream stream = null;
try
{
stream = new FileOutputStream(outputFileName);
ImageIO.write(src, "pgm", stream);
}
catch(IOException ioe)
{
System.out.println(ioe);
}

System.out.println("Done.");
}
}//

This s our code.. it compiles well but shows me error at 15th line whil running!!!

Cn u ping me back at kehakartik@gmail.com

Thnks!!!

how to implement the code?..can u give me full cod...

2009-03-02T10:38:00.000-06:00

how to implement the code?..can u give me full code example of it.. i really blur about this...i take a snapshot using

byte[] image = videoControl.getSnapshot("encoding=jpeg")

i hope u can help me..thanks..

Nice article, just what I wanted.You didn't includ...

2008-12-29T17:03:00.000-06:00

Nice article, just what I wanted.

You didn't include all the implementation notes and stuff. simple, yet very effective.

Thank you again.