** This is part of the CTSim program
** Copyright (C) 1983-2000 Kevin Rosenberg
**
-** $Id: imagefile.cpp,v 1.23 2000/12/21 03:40:58 kevin Exp $
+** $Id: imagefile.cpp,v 1.26 2000/12/29 19:30:08 kevin Exp $
**
** This program is free software; you can redistribute it and/or modify
** it under the terms of the GNU General Public License (version 2) as
#include "ct.h"
-F32Image::F32Image (int nx, int ny)\r
-: Array2dFile (nx, ny, sizeof(kfloat32), Array2dFile::PIXEL_FLOAT32)\r
+F32Image::F32Image (int nx, int ny, int dataType)\r
+: Array2dFile (nx, ny, sizeof(kfloat32), Array2dFile::PIXEL_FLOAT32, dataType)\r
{\r
}\r
\r
{\r
setPixelFormat (Array2dFile::PIXEL_FLOAT32);\r
setPixelSize (sizeof(kfloat32));\r
+ setDataType (Array2dFile::DATA_TYPE_REAL);\r
}\r
\r
-F64Image::F64Image (int nx, int ny)\r
-: Array2dFile (nx, ny, sizeof(kfloat64), Array2dFile::PIXEL_FLOAT64)\r
+F64Image::F64Image (int nx, int ny, int dataType)\r
+: Array2dFile (nx, ny, sizeof(kfloat64), Array2dFile::PIXEL_FLOAT64, dataType)\r
{\r
}\r
\r
{\r
setPixelFormat (PIXEL_FLOAT64);\r
setPixelSize (sizeof(kfloat64));\r
+ setDataType (Array2dFile::DATA_TYPE_REAL);\r
}\r
void
for (int i = -hx; i <= hx; i++) {
for (int j = -hy; j <= hy; j++) {
- double r = sqrt (i * i + j * j);
+ double r = ::sqrt (i * i + j * j);
v[i+hx][j+hy] = filter.response (r);
}
}
}
- d = sqrt (sqErrorSum / sqDiffFromMeanSum);
+ d = ::sqrt (sqErrorSum / sqDiffFromMeanSum);
r = absErrorSum / absValueSum;
int hx = m_nx / 2;
{
double min, max, mean, mode, median, stddev;
- statistics (min, max, mean, mode, median, stddev);
-
+ statistics (min, max, mean, mode, median, stddev);\r
+ if (dataType() == Array2dFile::DATA_TYPE_COMPLEX)\r
+ os << "Real Component Statistics" << std::endl;\r
+
os << " min: " << min << std::endl;
os << " max: " << max << std::endl;
os << " mean: " << mean << std::endl;
os << " mode: " << mode << std::endl;
os << "median: " << median << std::endl;
- os << "stddev: " << stddev << std::endl;
+ os << "stddev: " << stddev << std::endl;\r
+\r
+ if (dataType() == Array2dFile::DATA_TYPE_COMPLEX) {\r
+ statistics (getImaginaryArray(), min, max, mean, mode, median, stddev);\r
+ os << std::endl << "Imaginary Component Statistics" << std::endl;
+ os << " min: " << min << std::endl;\r
+ os << " max: " << max << std::endl;\r
+ os << " mean: " << mean << std::endl;\r
+ os << " mode: " << mode << std::endl;\r
+ os << "median: " << median << std::endl;\r
+ os << "stddev: " << stddev << std::endl;\r
+ }\r
}
void
ImageFile::statistics (double& min, double& max, double& mean, double& mode, double& median, double& stddev) const
-{
- int nx = m_nx;
- int ny = m_ny;
- ImageFileArrayConst v = getArray();
-
- if (v == NULL || nx == 0 || ny == 0)
- return;
+{\r
+ ImageFileArrayConst v = getArray();\r
+ statistics (v, min, max, mean, mode, median, stddev);\r
+}
+
+
+void\r
+ImageFile::statistics (ImageFileArrayConst& v, double& min, double& max, double& mean, double& mode, double& median, double& stddev) const\r
+{\r
+ int nx = m_nx;\r
+ int ny = m_ny;\r
+ \r
+ if (v == NULL || nx == 0 || ny == 0)\r
+ return;\r
\r
std::vector<double> vecImage;\r
int iVec = 0;\r
}\r
\r
vectorNumericStatistics (vecImage, nx * ny, min, max, mean, mode, median, stddev);\r
-}
-
-
+}\r
+\r
void
ImageFile::getMinMax (double& min, double& max) const
{
}
}
}
+\r
+bool\r
+ImageFile::convertRealToComplex ()\r
+{\r
+ if (dataType() != Array2dFile::DATA_TYPE_REAL)\r
+ return false;\r
+\r
+ if (! reallocRealToComplex())\r
+ return false;\r
+\r
+ ImageFileArray vImag = getImaginaryArray();\r
+ for (int ix = 0; ix < m_nx; ix++) {\r
+ ImageFileColumn vCol = vImag[ix];\r
+ for (int iy = 0; iy < m_ny; iy++)\r
+ *vCol++ = 0;\r
+ }\r
+\r
+ return true;\r
+}\r
+\r
+bool\r
+ImageFile::convertComplexToReal ()\r
+{\r
+ if (dataType() != Array2dFile::DATA_TYPE_COMPLEX)\r
+ return false;\r
+\r
+ ImageFileArray vReal = getArray();\r
+ ImageFileArray vImag = getImaginaryArray();\r
+ for (int ix = 0; ix < m_nx; ix++) {\r
+ ImageFileColumn vRealCol = vReal[ix];\r
+ ImageFileColumn vImagCol = vImag[ix];\r
+ for (int iy = 0; iy < m_ny; iy++) {\r
+ std::complex<double> c (*vRealCol, *vImagCol);\r
+ *vRealCol++ = std::abs (c);\r
+ vImagCol++;\r
+ }\r
+ }\r
+\r
+ return reallocComplexToReal();\r
+}\r
+\r
+bool\r
+ImageFile::subtractImages (const ImageFile& rRHS, ImageFile& result) const\r
+{\r
+ if (m_nx != rRHS.nx() || m_ny != rRHS.ny() || m_nx != result.nx() || m_ny != result.ny()) {\r
+ sys_error (ERR_WARNING, "Difference sizes of images [ImageFile::subtractImage]");\r
+ return false;\r
+ }\r
+\r
+ ImageFileArrayConst vLHS = getArray();\r
+ ImageFileArrayConst vRHS = rRHS.getArray();\r
+ ImageFileArray vResult = result.getArray();\r
+\r
+ for (int ix = 0; ix < m_nx; ix++) {\r
+ ImageFileColumnConst in1 = vLHS[ix];\r
+ ImageFileColumnConst in2 = vRHS[ix];\r
+ ImageFileColumn out = vResult[ix];\r
+ for (int iy = 0; iy < m_ny; iy++)\r
+ *out++ = *in1++ - *in2++;\r
+ }\r
+\r
+ return true;\r
+}\r
+bool\r
+ImageFile::addImages (const ImageFile& rRHS, ImageFile& result) const\r
+{\r
+ if (m_nx != rRHS.nx() || m_ny != rRHS.ny() || m_nx != result.nx() || m_ny != result.ny()) {\r
+ sys_error (ERR_WARNING, "Difference sizes of images [ImageFile::subtractImage]");\r
+ return false;\r
+ }\r
+\r
+ ImageFileArrayConst vLHS = getArray();\r
+ ImageFileArrayConst vRHS = rRHS.getArray();\r
+ ImageFileArray vResult = result.getArray();\r
+\r
+ for (int ix = 0; ix < m_nx; ix++) {\r
+ ImageFileColumnConst in1 = vLHS[ix];\r
+ ImageFileColumnConst in2 = vRHS[ix];\r
+ ImageFileColumn out = vResult[ix];\r
+ for (int iy = 0; iy < m_ny; iy++)\r
+ *out++ = *in1++ + *in2++;\r
+ }\r
+\r
+ return true;\r
+}\r
+\r
+bool\r
+ImageFile::multiplyImages (const ImageFile& rRHS, ImageFile& result) const\r
+{\r
+ if (m_nx != rRHS.nx() || m_ny != rRHS.ny() || m_nx != result.nx() || m_ny != result.ny()) {\r
+ sys_error (ERR_WARNING, "Difference sizes of images [ImageFile::subtractImage]");\r
+ return false;\r
+ }\r
+\r
+ ImageFileArrayConst vLHS = getArray();\r
+ ImageFileArrayConst vRHS = rRHS.getArray();\r
+ ImageFileArray vResult = result.getArray();\r
+\r
+ for (int ix = 0; ix < m_nx; ix++) {\r
+ ImageFileColumnConst in1 = vLHS[ix];\r
+ ImageFileColumnConst in2 = vRHS[ix];\r
+ ImageFileColumn out = vResult[ix];\r
+ for (int iy = 0; iy < m_ny; iy++)\r
+ *out++ = *in1++ * *in2++;\r
+ }\r
+\r
+ return true;\r
+}\r
+\r
+bool\r
+ImageFile::divideImages (const ImageFile& rRHS, ImageFile& result) const\r
+{\r
+ if (m_nx != rRHS.nx() || m_ny != rRHS.ny() || m_nx != result.nx() || m_ny != result.ny()) {\r
+ sys_error (ERR_WARNING, "Difference sizes of images [ImageFile::subtractImage]");\r
+ return false;\r
+ }\r
+\r
+ ImageFileArrayConst vLHS = getArray();\r
+ ImageFileArrayConst vRHS = rRHS.getArray();\r
+ ImageFileArray vResult = result.getArray();\r
+\r
+ for (int ix = 0; ix < m_nx; ix++) {\r
+ ImageFileColumnConst in1 = vLHS[ix];\r
+ ImageFileColumnConst in2 = vRHS[ix];\r
+ ImageFileColumn out = vResult[ix];\r
+ for (int iy = 0; iy < m_ny; iy++) {\r
+ if (*in2 != 0.)\r
+ *out++ = *in1++ / *in2++;\r
+ else\r
+ *out++ = 0;\r
+ }\r
+ }\r
+\r
+ return true;\r
+}\r
+\r
+\r
+bool\r
+ImageFile::invertPixelValues (ImageFile& result) const\r
+{\r
+ if (m_nx != result.nx() || m_ny != result.ny()) {\r
+ sys_error (ERR_WARNING, "Difference sizes of images [ImageFile::invertPixelValues]");\r
+ return false;\r
+ }\r
+\r
+ ImageFileArrayConst vLHS = getArray();\r
+ ImageFileArray vResult = result.getArray();\r
+\r
+ for (int ix = 0; ix < m_nx; ix++) {\r
+ ImageFileColumnConst in = vLHS[ix];\r
+ ImageFileColumn out = vResult[ix];\r
+ for (int iy = 0; iy < m_ny; iy++)\r
+ *out++ = - *in++;\r
+ }\r
+\r
+ return true;\r
+}\r
+\r
+bool\r
+ImageFile::sqrt (ImageFile& result) const\r
+{\r
+ if (m_nx != result.nx() || m_ny != result.ny()) {\r
+ sys_error (ERR_WARNING, "Difference sizes of images [ImageFile::invertPixelValues]");\r
+ return false;\r
+ }\r
+\r
+ ImageFileArrayConst vLHS = getArray();\r
+ ImageFileArray vResult = result.getArray();\r
+\r
+ for (int ix = 0; ix < m_nx; ix++) {\r
+ ImageFileColumnConst in = vLHS[ix];\r
+ ImageFileColumn out = vResult[ix];\r
+ for (int iy = 0; iy < m_ny; iy++)\r
+ if (*in < 0)\r
+ *out++ = -::sqrt(-*in++);\r
+ else\r
+ *out++ = ::sqrt(*in++);\r
+ }\r
+\r
+ return true;\r
+}\r
+\r
+bool\r
+ImageFile::log (ImageFile& result) const\r
+{\r
+ if (m_nx != result.nx() || m_ny != result.ny()) {\r
+ sys_error (ERR_WARNING, "Difference sizes of images [ImageFile::invertPixelValues]");\r
+ return false;\r
+ }\r
+\r
+ ImageFileArrayConst vLHS = getArray();\r
+ ImageFileArray vResult = result.getArray();\r
+\r
+ for (int ix = 0; ix < m_nx; ix++) {\r
+ ImageFileColumnConst in = vLHS[ix];\r
+ ImageFileColumn out = vResult[ix];\r
+ for (int iy = 0; iy < m_ny; iy++)\r
+ if (*in <= 0)\r
+ *out++ = 0;\r
+ else\r
+ *out++ = ::log(*in++);\r
+ }\r
+\r
+ return true;\r
+}\r
+\r
+bool\r
+ImageFile::exp (ImageFile& result) const\r
+{\r
+ if (m_nx != result.nx() || m_ny != result.ny()) {\r
+ sys_error (ERR_WARNING, "Difference sizes of images [ImageFile::invertPixelValues]");\r
+ return false;\r
+ }\r
+\r
+ ImageFileArrayConst vLHS = getArray();\r
+ ImageFileArray vResult = result.getArray();\r
+\r
+ for (int ix = 0; ix < m_nx; ix++) {\r
+ ImageFileColumnConst in = vLHS[ix];\r
+ ImageFileColumn out = vResult[ix];\r
+ for (int iy = 0; iy < m_ny; iy++)\r
+ *out++ = ::exp (*in++);\r
+ }\r
+\r
+ return true;\r
+}\r
+\r
+bool\r
+ImageFile::inverseFourier (ImageFile& result) const\r
+{\r
+ if (m_nx != result.nx() || m_ny != result.ny()) {\r
+ sys_error (ERR_WARNING, "Difference sizes of images [ImageFile::invertPixelValues]");\r
+ return false;\r
+ }\r
+\r
+ return true;\r
+}\r
+\r
+bool\r
+ImageFile::fourier (ImageFile& result) const\r
+{\r
+ if (m_nx != result.nx() || m_ny != result.ny()) {\r
+ sys_error (ERR_WARNING, "Difference sizes of images [ImageFile::invertPixelValues]");\r
+ return false;\r
+ }\r
+\r
+ if (result.dataType() == Array2dFile::DATA_TYPE_REAL) {\r
+ if (! result.reallocRealToComplex ())\r
+ return false;\r
+ }\r
+\r
+ ImageFileArrayConst vLHS = getArray();\r
+ ImageFileArray vRealResult = result.getArray();\r
+ ImageFileArray vImagResult = result.getImaginaryArray();\r
+\r
+ int ix, iy;\r
+ double* pY = new double [m_ny];\r
+ std::complex<double>** complexOut = new std::complex<double>* [m_nx];\r
+ for (ix = 0; ix < m_nx; ix++)\r
+ complexOut[ix] = new std::complex<double> [m_ny];\r
+\r
+ for (ix = 0; ix < m_nx; ix++) {\r
+ for (iy = 0; iy < m_ny; iy++)\r
+ pY[iy] = vLHS[ix][iy];\r
+ ProcessSignal::finiteFourierTransform (pY, complexOut[ix], m_ny, ProcessSignal::FORWARD);\r
+ }\r
+ delete pY;\r
+\r
+ std::complex<double>* pX = new std::complex<double> [m_nx];\r
+ std::complex<double>* complexOutCol = new std::complex<double> [m_nx];\r
+ for (iy = 0; iy < m_ny; iy++) {\r
+ for (ix = 0; ix < m_nx; ix++)\r
+ pX[ix] = complexOut[ix][iy];\r
+ ProcessSignal::finiteFourierTransform (pX, complexOutCol, m_nx, ProcessSignal::FORWARD);\r
+ for (ix = 0; ix < m_nx; ix++)\r
+ complexOut[ix][iy] = complexOutCol[ix];\r
+ }\r
+ delete [] pX;\r
+\r
+ for (ix = 0; ix < m_nx; ix++)\r
+ ProcessSignal::shuffleFourierToNaturalOrder (complexOut[ix], m_ny);\r
+\r
+ \r
+ for (iy = 0; iy < m_ny; iy++) {\r
+ for (ix = 0; ix < m_nx; ix++)\r
+ complexOutCol[ix] = complexOut[ix][iy];\r
+ ProcessSignal::shuffleFourierToNaturalOrder (complexOutCol, m_nx);;\r
+ for (ix = 0; ix < m_nx; ix++)\r
+ complexOut[ix][iy] = complexOutCol[ix];\r
+\r
+ }\r
+ delete [] complexOutCol;\r
+\r
+ for (ix = 0; ix < m_nx; ix++)\r
+ for (iy = 0; iy < m_ny; iy++) {\r
+ vRealResult[ix][iy] = complexOut[ix][iy].real();\r
+ vImagResult[ix][iy] = complexOut[ix][iy].imag();\r
+ }\r
+\r
+ for (ix = 0; ix < m_nx; ix++)\r
+ delete [] complexOut[ix];\r
+\r
+ delete [] complexOut;\r
+\r
+ return true;\r
+}\r
+\r
+bool\r
+ImageFile::magnitude (ImageFile& result) const\r
+{\r
+ if (m_nx != result.nx() || m_ny != result.ny()) {\r
+ sys_error (ERR_WARNING, "Difference sizes of images [ImageFile::invertPixelValues]");\r
+ return false;\r
+ }\r
+\r
+ ImageFileArray vReal = getArray();\r
+ ImageFileArray vImag = NULL;\r
+ if (dataType() == Array2dFile::DATA_TYPE_COMPLEX)\r
+ vImag = getImaginaryArray();\r
+\r
+ ImageFileArray vRealResult = result.getArray();\r
+ if (result.dataType() == Array2dFile::DATA_TYPE_COMPLEX) {\r
+ ImageFileArray vImagResult = result.getImaginaryArray();\r
+ for (int ix = 0; ix < m_nx; ix++)\r
+ for (int iy = 0; iy < m_ny; iy++)\r
+ vImagResult[ix][iy] = 0;\r
+ }\r
+\r
+ for (int ix = 0; ix < m_nx; ix++)\r
+ for (int iy = 0; iy < m_ny; iy++) {\r
+ if (dataType() == Array2dFile::DATA_TYPE_COMPLEX) \r
+ vRealResult[ix][iy] = ::sqrt (vReal[ix][iy] * vReal[ix][iy] + vImag[ix][iy] * vImag[ix][iy]);\r
+ else\r
+ vRealResult[ix][iy] = vReal[ix][iy];\r
+ }\r
+\r
+ return true;\r
+}\r
+\r
+bool\r
+ImageFile::phase (ImageFile& result) const\r
+{\r
+ if (m_nx != result.nx() || m_ny != result.ny()) {\r
+ sys_error (ERR_WARNING, "Difference sizes of images [ImageFile::invertPixelValues]");\r
+ return false;\r
+ }\r
+\r
+ ImageFileArray vReal = getArray();\r
+ ImageFileArray vImag = NULL;\r
+ if (dataType() == Array2dFile::DATA_TYPE_COMPLEX)\r
+ vImag = getImaginaryArray();\r
+\r
+ ImageFileArray vRealResult = result.getArray();\r
+ if (result.dataType() == Array2dFile::DATA_TYPE_COMPLEX) {\r
+ ImageFileArray vImagResult = result.getImaginaryArray();\r
+ for (int ix = 0; ix < m_nx; ix++)\r
+ for (int iy = 0; iy < m_ny; iy++)\r
+ vImagResult[ix][iy] = 0;\r
+ }\r
+\r
+ for (int ix = 0; ix < m_nx; ix++)\r
+ for (int iy = 0; iy < m_ny; iy++) {\r
+ if (dataType() == Array2dFile::DATA_TYPE_COMPLEX) \r
+ vRealResult[ix][iy] = ::atan (vImag[ix][iy] / vReal[ix][iy]);\r
+ else\r
+ vRealResult[ix][iy] = vReal[ix][iy];\r
+ }\r
+\r
+ return true;\r
+}\r
+\r
+bool\r
+ImageFile::square (ImageFile& result) const\r
+{\r
+ if (m_nx != result.nx() || m_ny != result.ny()) {\r
+ sys_error (ERR_WARNING, "Difference sizes of images [ImageFile::invertPixelValues]");\r
+ return false;\r
+ }\r
+\r
+ ImageFileArrayConst vLHS = getArray();\r
+ ImageFileArray vResult = result.getArray();\r
+\r
+ for (int ix = 0; ix < m_nx; ix++) {\r
+ ImageFileColumnConst in = vLHS[ix];\r
+ ImageFileColumn out = vResult[ix];\r
+ for (int iy = 0; iy < m_ny; iy++) {\r
+ *out++ = *in * *in;\r
+ in++;\r
+ }\r
+ }\r
+\r
+ return true;\r
+}\r
+\r
+\r
void
ImageFile::writeImagePGM (const char *outfile, int nxcell, int nycell, double densmin, double densmax)
{