/** Checks to see if only the image borders are equal to each other within tolerance */
public static void assertEqualsBorder(
ImageSingleBand imgA, ImageSingleBand imgB, double tol, int borderX, int borderY) {
if (imgA.getWidth() != imgB.getWidth()) throw new RuntimeException("Widths are not equals");
if (imgA.getHeight() != imgB.getHeight()) throw new RuntimeException("Heights are not equals");
GImageSingleBand a = FactoryGImageSingleBand.wrap(imgA);
GImageSingleBand b = FactoryGImageSingleBand.wrap(imgB);
for (int y = 0; y < imgA.getHeight(); y++) {
for (int x = 0; x < borderX; x++) {
compareValues(tol, a, b, x, y);
}
for (int x = imgA.getWidth() - borderX; x < imgA.getWidth(); x++) {
compareValues(tol, a, b, x, y);
}
}
for (int x = borderX; x < imgA.getWidth() - borderX; x++) {
for (int y = 0; y < borderY; y++) {
compareValues(tol, a, b, x, y);
}
for (int y = imgA.getHeight() - borderY; y < imgA.getHeight(); y++) {
compareValues(tol, a, b, x, y);
}
}
}
@Override
public void wrap(ImageSingleBand image) {
interpolate.setImage((T) image);
inputWidth = image.getWidth();
inputHeight = image.getHeight();
}
public static void printDiff(ImageSingleBand imgA, ImageSingleBand imgB) {
GImageSingleBand a = FactoryGImageSingleBand.wrap(imgA);
GImageSingleBand b = FactoryGImageSingleBand.wrap(imgB);
System.out.println("------- Difference -----------");
for (int y = 0; y < imgA.getHeight(); y++) {
for (int x = 0; x < imgA.getWidth(); x++) {
double diff = Math.abs(a.get(x, y).doubleValue() - b.get(x, y).doubleValue());
System.out.printf("%2d ", (int) diff);
}
System.out.println();
}
}
/**
* Renders a gray scale image using color values from cold to hot.
*
* @param disparity Input disparity image
* @param dst Where the image is rendered into. If null a new BufferedImage will be created and
* return.
* @param minDisparity Minimum disparity that can be computed
* @param maxDisparity Maximum disparity that can be computed
* @param invalidColor RGB value for invalid pixels. Try 0xFF << 8 for green
* @return Rendered image.
*/
public static BufferedImage disparity(
ImageSingleBand disparity,
BufferedImage dst,
int minDisparity,
int maxDisparity,
int invalidColor) {
if (dst == null)
dst =
new BufferedImage(
disparity.getWidth(), disparity.getHeight(), BufferedImage.TYPE_INT_RGB);
if (disparity.getDataType().isInteger()) {
return disparity((ImageInteger) disparity, dst, minDisparity, maxDisparity, invalidColor);
} else if (disparity instanceof ImageFloat32) {
return disparity((ImageFloat32) disparity, dst, minDisparity, maxDisparity, invalidColor);
} else {
throw new RuntimeException("Add support");
}
}