private void equalsTranVertical(
WaveletDescription<?> desc,
ImageSingleBand input,
ImageSingleBand expected,
ImageSingleBand found) {
int w = expected.width;
int h = expected.height;
int lowerBorder = UtilWavelet.borderForwardLower(desc.getInverse().getInnerCoefficients());
int upperBorder =
input.height
- UtilWavelet.borderForwardUpper(
desc.getInverse().getInnerCoefficients(), input.height);
equalsTranVertical(
expected.subimage(0, 0, w, h / 2),
found.subimage(0, 0, w, h / 2),
lowerBorder / 2,
upperBorder / 2,
"top");
equalsTranVertical(
expected.subimage(0, h / 2, w, h),
found.subimage(0, h / 2, w, h),
lowerBorder / 2,
upperBorder / 2,
"bottom");
}
/**
* Compares two wavelet transformations while ignoring the input image borders. Input borders
* affect the borders of internal segments inside the transformation.
*/
private void equalsTranHorizontal(
WaveletDescription<?> desc,
ImageSingleBand input,
ImageSingleBand expected,
ImageSingleBand found) {
int w = expected.width;
int h = expected.height;
int lowerBorder = UtilWavelet.borderForwardLower(desc.getInverse().getInnerCoefficients());
int upperBorder =
input.width
- UtilWavelet.borderForwardUpper(desc.getInverse().getInnerCoefficients(), input.width);
equalsTranHorizontal(
expected.subimage(0, 0, w / 2, h),
found.subimage(0, 0, w / 2, h),
lowerBorder / 2,
upperBorder / 2,
"left");
equalsTranHorizontal(
expected.subimage(w / 2, 0, w, h),
found.subimage(w / 2, 0, w, h),
lowerBorder / 2,
upperBorder / 2,
"right");
}