Calculation of the mean value of an image with Raster : Image « 2D Graphics GUI « Java

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Java » 2D Graphics GUI » Image Screenshots  Calculation of the mean value of an image with Raster        import java.awt.image.BufferedImage; import java.awt.image.Raster; public class Main {   public static void main(String[] argv) throws Exception {   }   public static double meanValue(BufferedImage image) {     Raster raster = image.getRaster();     double sum = 0.0;     for (int y = 0; y < image.getHeight(); ++y){       for (int x = 0; x < image.getWidth(); ++x){         sum += raster.getSample(x, y, 0);       }     }     return sum / (image.getWidth() * image.getHeight());   } }                                 Related examples in the same category 1. Image size 2. Image demo 3. Getting the Color Model of an Image 4. Filtering the RGB Values in an Image 5. Create a filter that can modify any of the RGB pixel values in an image. 6. This filter removes all but the red values in an image 7. Load and draw image 8. Paint an Icon 9. Image Processing: Brightness and Contrast 10. Image with mouse drag and move event 11. Image Animation and Thread 12. Image Color Gray Effect 13. Image Buffering 14. Image Effect: Combine 15. AffineTransform demo 16. Image Effect: Rotate Image using DataBuffer 17. Image Effect: Sharpen, blur 18. Image scale 19. Image crop 20. Demonstrating the Drawing of an Image with a Convolve Operation 21. Demonstrating Use of the Image I/O Library 22. Adding Image-Dragging Behavior 23. Sending Image Objects through the Clipboard 24. Anti Alias 25. Image Operations 26. Image Viewer 27. Get the dimensions of the image; these will be non-negative 28. Standalone Image Viewer - works with any AWT-supported format 29. Toolkit.getImage() which works the same in either Applet or Application 30. Double Buffered Image 31. Graband Fade: displays image and fades to black 32. Graband Fade with Rasters 33. Rotate Image 45 Degrees 34. Convert java.awt.image.BufferedImage to java.awt.Image 35. Filter image by multiplier its red, green and blue color 36. Drags within the image 37. TYPE_INT_RGB and TYPE_INT_ARGB are typically used 38. Pixels from a buffered image can be modified 39. Use PixelGrabber class to acquire pixel data from an Image object 40. Flip an image 41. Rendered Image 42. Image Panel 43. Image Utils 44. Returns an image resource. 45. Create Gradient Image 46. Create Gradient Mask 47. Create Translucent Image 48. Make Raster Writable 49. A frame that displays an image 50. Optimized version of copyData designed to work on Integer packed data with a SinglePixelPackedSampleModel 51. Various image processing operations. 52. This program demonstrates the transfer of images between a Java application and the system clipboard.