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Changeset 3702


Ignore:
Timestamp:
Apr 14, 2005, 2:12:09 PM (21 years ago)
Author:
desonia
Message:

fixed image FFT and image convolution. The FFTW call had the wrong order
of dimensions, and the scaling was incorrect.

Location:
trunk/psLib
Files:
10 edited

Legend:

Unmodified
Added
Removed
  • trunk/psLib/src/fft/psImageFFT.c

    r3671 r3702  
    55 *  @author Robert DeSonia, MHPCC
    66 *
    7  *  @version $Revision: 1.10 $ $Name: not supported by cvs2svn $
    8  *  @date $Date: 2005-04-06 01:12:58 $
     7 *  @version $Revision: 1.11 $ $Name: not supported by cvs2svn $
     8 *  @date $Date: 2005-04-15 00:12:08 $
    99 *
    1010 *  Copyright 2004-2005 Maui High Performance Computing Center, University of Hawaii
     
    7474    // n.b. FFTW can perform a in-place transform at the same rate or faster than out-of-place.
    7575    psS32 sign = ((direction & PS_FFT_FORWARD) != 0) ? FFTW_FORWARD : FFTW_BACKWARD;
    76     out = psImageCopy(out, in, PS_TYPE_C32);
    77     plan = fftwf_plan_dft_2d(numCols, numRows,
    78                              out->data.C32[0],
    79                              out->data.C32[0],
     76
     77    fftwf_complex* outBuffer = fftwf_malloc(numRows*numCols*sizeof(fftwf_complex));
     78    p_psImageCopyToRawBuffer(outBuffer, in, PS_TYPE_C32);
     79
     80    plan = fftwf_plan_dft_2d(numRows, numCols,
     81                             outBuffer,
     82                             outBuffer,
    8083                             sign,
    8184                             PS_FFTW_PLAN_RIGOR);
     
    101104        // becomes an issue, the use of fftwf_plan_dft_r2c should be considered
    102105        // as well as fftwf_plan_dft_c2r.
    103         psImage* realOut = psImageCopy(NULL,out,PS_TYPE_F32);
    104         psFree(out);
    105         out = realOut;
    106     }
     106        out = psImageRecycle(out,numCols,numRows,PS_TYPE_F32);
     107        int index = 0;
     108        for (int row=0; row < numRows; row++) {
     109            psF32* outRow = out->data.F32[row];
     110            for (int col=0; col < numCols; col++) {
     111                outRow[col] = crealf(outBuffer[index++]); // take just the real part
     112            }
     113        }
     114    } else {
     115        out = psImageRecycle(out,numCols,numRows,PS_TYPE_C32);
     116        int index = 0;
     117        for (int row=0; row < numRows; row++) {
     118            psC32* outRow = out->data.C32[row];
     119            for (int col=0; col < numCols; col++) {
     120                outRow[col] = outBuffer[index++]; // take just the real part
     121            }
     122        }
     123        //        memcpy(out->rawDataBuffer, outBuffer, numRows*numCols*sizeof(fftwf_complex));
     124    }
     125
     126    fftwf_free(outBuffer);
    107127
    108128    return out;
  • trunk/psLib/src/image/psImage.c

    r3682 r3702  
    99 *  @author Ross Harman, MHPCC
    1010 *
    11  *  @version $Revision: 1.63 $ $Name: not supported by cvs2svn $
    12  *  @date $Date: 2005-04-07 20:27:41 $
     11 *  @version $Revision: 1.64 $ $Name: not supported by cvs2svn $
     12 *  @date $Date: 2005-04-15 00:12:08 $
    1313 *
    1414 *  Copyright 2004-2005 Maui High Performance Computing Center, University of Hawaii
     
    197197}
    198198
    199 psImage* psImageCopy(psImage* restrict output,
     199psImage* psImageCopy(psImage* output,
    200200                     const psImage* input,
    201201                     psElemType type)
     
    350350    return output;
    351351}
     352
     353bool p_psImageCopyToRawBuffer(void* buffer,
     354                              const psImage* input,
     355                              psElemType type)
     356{
     357    psElemType inDatatype;
     358    psS32 numRows;
     359    psS32 numCols;
     360
     361    if (input == NULL || input->data.V == NULL) {
     362        psError(PS_ERR_BAD_PARAMETER_NULL, true,
     363                PS_ERRORTEXT_psImage_IMAGE_NULL);
     364        return false;
     365    }
     366
     367    if (input->type.dimen != PS_DIMEN_IMAGE) {
     368        psError(PS_ERR_BAD_PARAMETER_TYPE, true,
     369                PS_ERRORTEXT_psImage_NOT_AN_IMAGE);
     370        return false;
     371    }
     372
     373    inDatatype = input->type.type;
     374    numRows = input->numRows;
     375    numCols = input->numCols;
     376
     377    // cover the trival case of copy of the same
     378    // datatype.
     379    if (type == inDatatype) {
     380        int rowSize = PSELEMTYPE_SIZEOF(inDatatype)*numCols;
     381        for (psS32 row=0;row<numRows;row++) {
     382            memcpy(&((psS8*)buffer)[row*rowSize], input->data.V[row], rowSize);
     383        }
     384        return true;
     385    }
     386
     387    #define PSIMAGE_BUFFER_COPY(INTYPE,OUTTYPE) { \
     388        ps##INTYPE *in; \
     389        ps##OUTTYPE *out = buffer; \
     390        for(psS32 row=0;row<numRows;row++) { \
     391            in = input->data.INTYPE[row]; \
     392            for (psS32 col=0;col<numCols;col++) { \
     393                *(out++) = *(in++); \
     394            } \
     395        } \
     396    }
     397
     398    #define PSIMAGE_BUFFER_COPY_CASE(OUT,OUTTYPE) { \
     399        switch (inDatatype) { \
     400        case PS_TYPE_S8: \
     401            PSIMAGE_BUFFER_COPY(S8,OUTTYPE); \
     402            break; \
     403        case PS_TYPE_S16: \
     404            PSIMAGE_BUFFER_COPY(S16,OUTTYPE); \
     405            break; \
     406        case PS_TYPE_S32: \
     407            PSIMAGE_BUFFER_COPY(S32,OUTTYPE); \
     408            break; \
     409        case PS_TYPE_S64: \
     410            PSIMAGE_BUFFER_COPY(S64,OUTTYPE); \
     411            break; \
     412        case PS_TYPE_U8: \
     413            PSIMAGE_BUFFER_COPY(U8,OUTTYPE); \
     414            break; \
     415        case PS_TYPE_U16: \
     416            PSIMAGE_BUFFER_COPY(U16,OUTTYPE); \
     417            break; \
     418        case PS_TYPE_U32: \
     419            PSIMAGE_BUFFER_COPY(U32,OUTTYPE); \
     420            break; \
     421        case PS_TYPE_U64: \
     422            PSIMAGE_BUFFER_COPY(U64,OUTTYPE); \
     423            break; \
     424        case PS_TYPE_F32: \
     425            PSIMAGE_BUFFER_COPY(F32,OUTTYPE); \
     426            break; \
     427        case PS_TYPE_F64: \
     428            PSIMAGE_BUFFER_COPY(F64,OUTTYPE); \
     429            break; \
     430        case PS_TYPE_C32: \
     431            PSIMAGE_BUFFER_COPY(C32,OUTTYPE); \
     432            break; \
     433        case PS_TYPE_C64: \
     434            PSIMAGE_BUFFER_COPY(C64,OUTTYPE); \
     435            break; \
     436        default: \
     437            break; \
     438        } \
     439    }
     440
     441    switch (type) {
     442    case PS_TYPE_S8:
     443        PSIMAGE_BUFFER_COPY_CASE(output, S8);
     444        break;
     445    case PS_TYPE_S16:
     446        PSIMAGE_BUFFER_COPY_CASE(output, S16);
     447        break;
     448    case PS_TYPE_S32:
     449        PSIMAGE_BUFFER_COPY_CASE(output, S32);
     450        break;
     451    case PS_TYPE_S64:
     452        PSIMAGE_BUFFER_COPY_CASE(output, S64);
     453        break;
     454    case PS_TYPE_U8:
     455        PSIMAGE_BUFFER_COPY_CASE(output, U8);
     456        break;
     457    case PS_TYPE_U16:
     458        PSIMAGE_BUFFER_COPY_CASE(output, U16);
     459        break;
     460    case PS_TYPE_U32:
     461        PSIMAGE_BUFFER_COPY_CASE(output, U32);
     462        break;
     463    case PS_TYPE_U64:
     464        PSIMAGE_BUFFER_COPY_CASE(output, U64);
     465        break;
     466    case PS_TYPE_F32:
     467        PSIMAGE_BUFFER_COPY_CASE(output, F32);
     468        break;
     469    case PS_TYPE_F64:
     470        PSIMAGE_BUFFER_COPY_CASE(output, F64);
     471        break;
     472    case PS_TYPE_C32:
     473        PSIMAGE_BUFFER_COPY_CASE(output, C32);
     474        break;
     475    case PS_TYPE_C64:
     476        PSIMAGE_BUFFER_COPY_CASE(output, C64);
     477        break;
     478    default: {
     479            char* typeStr;
     480            PS_TYPE_NAME(typeStr,type);
     481            psError(PS_ERR_BAD_PARAMETER_TYPE, true,
     482                    PS_ERRORTEXT_psImage_IMAGE_TYPE_UNSUPPORTED,
     483                    typeStr);
     484            break;
     485        }
     486    }
     487    return true;
     488}
     489
    352490
    353491psS32 psImageFreeChildren(psImage* image)
  • trunk/psLib/src/image/psImage.h

    r3446 r3702  
    1111 *  @author Ross Harman, MHPCC
    1212 *
    13  *  @version $Revision: 1.49 $ $Name: not supported by cvs2svn $
    14  *  @date $Date: 2005-03-18 02:35:14 $
     13 *  @version $Revision: 1.50 $ $Name: not supported by cvs2svn $
     14 *  @date $Date: 2005-04-15 00:12:08 $
    1515 *
    1616 *  Copyright 2004-2005 Maui High Performance Computing Center, University of Hawaii
     
    167167);
    168168
     169bool p_psImageCopyToRawBuffer(
     170    void* buffer,
     171    const psImage* input,
     172    psElemType type
     173);
     174
    169175/** Frees all children of a psImage.
    170176 *
  • trunk/psLib/src/image/psImageConvolve.c

    r3682 r3702  
    55 *  @author Robert DeSonia, MHPCC
    66 *
    7  *  @version $Revision: 1.13 $ $Name: not supported by cvs2svn $
    8  *  @date $Date: 2005-04-07 20:27:41 $
     7 *  @version $Revision: 1.14 $ $Name: not supported by cvs2svn $
     8 *  @date $Date: 2005-04-15 00:12:08 $
    99 *
    1010 *  Copyright 2004-2005 Maui High Performance Computing Center, University of Hawaii
     
    398398        }
    399399
    400         psImageWriteSection(paddedImage,0,0,0,NULL,0,"paddedImage.fits");
    401 
    402400        // pad the kernel to the same size of paddedImage
    403401        psImage* paddedKernel = psImageAlloc(paddedCols,paddedRows,PS_TYPE_KERNEL);
     
    421419        }
    422420
    423         psImageWriteSection(paddedKernel,0,0,0,NULL,0,"paddedKernel.fits");
    424 
    425421        psImage* kernelFourier = psImageFFT(NULL, paddedKernel, PS_FFT_FORWARD);
    426422        if (kernelFourier == NULL) {
     
    440436
    441437        // convolution in fourier domain is just a pixel-wise multiplication
    442         psBinaryOp(inFourier,inFourier,"*",kernelFourier);
     438        for (int row = 0; row < paddedRows; row++) {
     439            psC32* inRow = inFourier->data.C32[row];
     440            psC32* kRow = kernelFourier->data.C32[row];
     441            for (int col = 0; col < paddedCols; col++) {
     442                inRow[col] *= kRow[col];
     443            }
     444        }
    443445
    444446        psImage* complexOut = psImageFFT(NULL, inFourier,
     
    451453        }
    452454
    453         {
    454             psImage* tmp = psImageReal(NULL,complexOut);
    455             psImageWriteSection(tmp,0,0,0,NULL,0,"complexOut.fits");
    456             psFree(tmp);
    457         }
    458 
    459455        // subset out the padded area now.
    460456        psImage* complexOutSansPad = psImageSubset(complexOut,
     
    463459
    464460        out = psImageRecycle(out,numCols,numRows,PS_TYPE_F32);
    465         float factor = 1.0f/numCols/numRows;
     461        float factor = 1.0f/(float)paddedCols/(float)paddedRows;
    466462        for (psS32 row = 0; row < numRows; row++) {
    467463            psF32* outRow = out->data.F32[row];
  • trunk/psLib/src/image/psImageFFT.c

    r3671 r3702  
    55 *  @author Robert DeSonia, MHPCC
    66 *
    7  *  @version $Revision: 1.10 $ $Name: not supported by cvs2svn $
    8  *  @date $Date: 2005-04-06 01:12:58 $
     7 *  @version $Revision: 1.11 $ $Name: not supported by cvs2svn $
     8 *  @date $Date: 2005-04-15 00:12:08 $
    99 *
    1010 *  Copyright 2004-2005 Maui High Performance Computing Center, University of Hawaii
     
    7474    // n.b. FFTW can perform a in-place transform at the same rate or faster than out-of-place.
    7575    psS32 sign = ((direction & PS_FFT_FORWARD) != 0) ? FFTW_FORWARD : FFTW_BACKWARD;
    76     out = psImageCopy(out, in, PS_TYPE_C32);
    77     plan = fftwf_plan_dft_2d(numCols, numRows,
    78                              out->data.C32[0],
    79                              out->data.C32[0],
     76
     77    fftwf_complex* outBuffer = fftwf_malloc(numRows*numCols*sizeof(fftwf_complex));
     78    p_psImageCopyToRawBuffer(outBuffer, in, PS_TYPE_C32);
     79
     80    plan = fftwf_plan_dft_2d(numRows, numCols,
     81                             outBuffer,
     82                             outBuffer,
    8083                             sign,
    8184                             PS_FFTW_PLAN_RIGOR);
     
    101104        // becomes an issue, the use of fftwf_plan_dft_r2c should be considered
    102105        // as well as fftwf_plan_dft_c2r.
    103         psImage* realOut = psImageCopy(NULL,out,PS_TYPE_F32);
    104         psFree(out);
    105         out = realOut;
    106     }
     106        out = psImageRecycle(out,numCols,numRows,PS_TYPE_F32);
     107        int index = 0;
     108        for (int row=0; row < numRows; row++) {
     109            psF32* outRow = out->data.F32[row];
     110            for (int col=0; col < numCols; col++) {
     111                outRow[col] = crealf(outBuffer[index++]); // take just the real part
     112            }
     113        }
     114    } else {
     115        out = psImageRecycle(out,numCols,numRows,PS_TYPE_C32);
     116        int index = 0;
     117        for (int row=0; row < numRows; row++) {
     118            psC32* outRow = out->data.C32[row];
     119            for (int col=0; col < numCols; col++) {
     120                outRow[col] = outBuffer[index++]; // take just the real part
     121            }
     122        }
     123        //        memcpy(out->rawDataBuffer, outBuffer, numRows*numCols*sizeof(fftwf_complex));
     124    }
     125
     126    fftwf_free(outBuffer);
    107127
    108128    return out;
  • trunk/psLib/src/imageops/psImageConvolve.c

    r3682 r3702  
    55 *  @author Robert DeSonia, MHPCC
    66 *
    7  *  @version $Revision: 1.13 $ $Name: not supported by cvs2svn $
    8  *  @date $Date: 2005-04-07 20:27:41 $
     7 *  @version $Revision: 1.14 $ $Name: not supported by cvs2svn $
     8 *  @date $Date: 2005-04-15 00:12:08 $
    99 *
    1010 *  Copyright 2004-2005 Maui High Performance Computing Center, University of Hawaii
     
    398398        }
    399399
    400         psImageWriteSection(paddedImage,0,0,0,NULL,0,"paddedImage.fits");
    401 
    402400        // pad the kernel to the same size of paddedImage
    403401        psImage* paddedKernel = psImageAlloc(paddedCols,paddedRows,PS_TYPE_KERNEL);
     
    421419        }
    422420
    423         psImageWriteSection(paddedKernel,0,0,0,NULL,0,"paddedKernel.fits");
    424 
    425421        psImage* kernelFourier = psImageFFT(NULL, paddedKernel, PS_FFT_FORWARD);
    426422        if (kernelFourier == NULL) {
     
    440436
    441437        // convolution in fourier domain is just a pixel-wise multiplication
    442         psBinaryOp(inFourier,inFourier,"*",kernelFourier);
     438        for (int row = 0; row < paddedRows; row++) {
     439            psC32* inRow = inFourier->data.C32[row];
     440            psC32* kRow = kernelFourier->data.C32[row];
     441            for (int col = 0; col < paddedCols; col++) {
     442                inRow[col] *= kRow[col];
     443            }
     444        }
    443445
    444446        psImage* complexOut = psImageFFT(NULL, inFourier,
     
    451453        }
    452454
    453         {
    454             psImage* tmp = psImageReal(NULL,complexOut);
    455             psImageWriteSection(tmp,0,0,0,NULL,0,"complexOut.fits");
    456             psFree(tmp);
    457         }
    458 
    459455        // subset out the padded area now.
    460456        psImage* complexOutSansPad = psImageSubset(complexOut,
     
    463459
    464460        out = psImageRecycle(out,numCols,numRows,PS_TYPE_F32);
    465         float factor = 1.0f/numCols/numRows;
     461        float factor = 1.0f/(float)paddedCols/(float)paddedRows;
    466462        for (psS32 row = 0; row < numRows; row++) {
    467463            psF32* outRow = out->data.F32[row];
  • trunk/psLib/src/mathtypes/psImage.c

    r3682 r3702  
    99 *  @author Ross Harman, MHPCC
    1010 *
    11  *  @version $Revision: 1.63 $ $Name: not supported by cvs2svn $
    12  *  @date $Date: 2005-04-07 20:27:41 $
     11 *  @version $Revision: 1.64 $ $Name: not supported by cvs2svn $
     12 *  @date $Date: 2005-04-15 00:12:08 $
    1313 *
    1414 *  Copyright 2004-2005 Maui High Performance Computing Center, University of Hawaii
     
    197197}
    198198
    199 psImage* psImageCopy(psImage* restrict output,
     199psImage* psImageCopy(psImage* output,
    200200                     const psImage* input,
    201201                     psElemType type)
     
    350350    return output;
    351351}
     352
     353bool p_psImageCopyToRawBuffer(void* buffer,
     354                              const psImage* input,
     355                              psElemType type)
     356{
     357    psElemType inDatatype;
     358    psS32 numRows;
     359    psS32 numCols;
     360
     361    if (input == NULL || input->data.V == NULL) {
     362        psError(PS_ERR_BAD_PARAMETER_NULL, true,
     363                PS_ERRORTEXT_psImage_IMAGE_NULL);
     364        return false;
     365    }
     366
     367    if (input->type.dimen != PS_DIMEN_IMAGE) {
     368        psError(PS_ERR_BAD_PARAMETER_TYPE, true,
     369                PS_ERRORTEXT_psImage_NOT_AN_IMAGE);
     370        return false;
     371    }
     372
     373    inDatatype = input->type.type;
     374    numRows = input->numRows;
     375    numCols = input->numCols;
     376
     377    // cover the trival case of copy of the same
     378    // datatype.
     379    if (type == inDatatype) {
     380        int rowSize = PSELEMTYPE_SIZEOF(inDatatype)*numCols;
     381        for (psS32 row=0;row<numRows;row++) {
     382            memcpy(&((psS8*)buffer)[row*rowSize], input->data.V[row], rowSize);
     383        }
     384        return true;
     385    }
     386
     387    #define PSIMAGE_BUFFER_COPY(INTYPE,OUTTYPE) { \
     388        ps##INTYPE *in; \
     389        ps##OUTTYPE *out = buffer; \
     390        for(psS32 row=0;row<numRows;row++) { \
     391            in = input->data.INTYPE[row]; \
     392            for (psS32 col=0;col<numCols;col++) { \
     393                *(out++) = *(in++); \
     394            } \
     395        } \
     396    }
     397
     398    #define PSIMAGE_BUFFER_COPY_CASE(OUT,OUTTYPE) { \
     399        switch (inDatatype) { \
     400        case PS_TYPE_S8: \
     401            PSIMAGE_BUFFER_COPY(S8,OUTTYPE); \
     402            break; \
     403        case PS_TYPE_S16: \
     404            PSIMAGE_BUFFER_COPY(S16,OUTTYPE); \
     405            break; \
     406        case PS_TYPE_S32: \
     407            PSIMAGE_BUFFER_COPY(S32,OUTTYPE); \
     408            break; \
     409        case PS_TYPE_S64: \
     410            PSIMAGE_BUFFER_COPY(S64,OUTTYPE); \
     411            break; \
     412        case PS_TYPE_U8: \
     413            PSIMAGE_BUFFER_COPY(U8,OUTTYPE); \
     414            break; \
     415        case PS_TYPE_U16: \
     416            PSIMAGE_BUFFER_COPY(U16,OUTTYPE); \
     417            break; \
     418        case PS_TYPE_U32: \
     419            PSIMAGE_BUFFER_COPY(U32,OUTTYPE); \
     420            break; \
     421        case PS_TYPE_U64: \
     422            PSIMAGE_BUFFER_COPY(U64,OUTTYPE); \
     423            break; \
     424        case PS_TYPE_F32: \
     425            PSIMAGE_BUFFER_COPY(F32,OUTTYPE); \
     426            break; \
     427        case PS_TYPE_F64: \
     428            PSIMAGE_BUFFER_COPY(F64,OUTTYPE); \
     429            break; \
     430        case PS_TYPE_C32: \
     431            PSIMAGE_BUFFER_COPY(C32,OUTTYPE); \
     432            break; \
     433        case PS_TYPE_C64: \
     434            PSIMAGE_BUFFER_COPY(C64,OUTTYPE); \
     435            break; \
     436        default: \
     437            break; \
     438        } \
     439    }
     440
     441    switch (type) {
     442    case PS_TYPE_S8:
     443        PSIMAGE_BUFFER_COPY_CASE(output, S8);
     444        break;
     445    case PS_TYPE_S16:
     446        PSIMAGE_BUFFER_COPY_CASE(output, S16);
     447        break;
     448    case PS_TYPE_S32:
     449        PSIMAGE_BUFFER_COPY_CASE(output, S32);
     450        break;
     451    case PS_TYPE_S64:
     452        PSIMAGE_BUFFER_COPY_CASE(output, S64);
     453        break;
     454    case PS_TYPE_U8:
     455        PSIMAGE_BUFFER_COPY_CASE(output, U8);
     456        break;
     457    case PS_TYPE_U16:
     458        PSIMAGE_BUFFER_COPY_CASE(output, U16);
     459        break;
     460    case PS_TYPE_U32:
     461        PSIMAGE_BUFFER_COPY_CASE(output, U32);
     462        break;
     463    case PS_TYPE_U64:
     464        PSIMAGE_BUFFER_COPY_CASE(output, U64);
     465        break;
     466    case PS_TYPE_F32:
     467        PSIMAGE_BUFFER_COPY_CASE(output, F32);
     468        break;
     469    case PS_TYPE_F64:
     470        PSIMAGE_BUFFER_COPY_CASE(output, F64);
     471        break;
     472    case PS_TYPE_C32:
     473        PSIMAGE_BUFFER_COPY_CASE(output, C32);
     474        break;
     475    case PS_TYPE_C64:
     476        PSIMAGE_BUFFER_COPY_CASE(output, C64);
     477        break;
     478    default: {
     479            char* typeStr;
     480            PS_TYPE_NAME(typeStr,type);
     481            psError(PS_ERR_BAD_PARAMETER_TYPE, true,
     482                    PS_ERRORTEXT_psImage_IMAGE_TYPE_UNSUPPORTED,
     483                    typeStr);
     484            break;
     485        }
     486    }
     487    return true;
     488}
     489
    352490
    353491psS32 psImageFreeChildren(psImage* image)
  • trunk/psLib/src/mathtypes/psImage.h

    r3446 r3702  
    1111 *  @author Ross Harman, MHPCC
    1212 *
    13  *  @version $Revision: 1.49 $ $Name: not supported by cvs2svn $
    14  *  @date $Date: 2005-03-18 02:35:14 $
     13 *  @version $Revision: 1.50 $ $Name: not supported by cvs2svn $
     14 *  @date $Date: 2005-04-15 00:12:08 $
    1515 *
    1616 *  Copyright 2004-2005 Maui High Performance Computing Center, University of Hawaii
     
    167167);
    168168
     169bool p_psImageCopyToRawBuffer(
     170    void* buffer,
     171    const psImage* input,
     172    psElemType type
     173);
     174
    169175/** Frees all children of a psImage.
    170176 *
  • trunk/psLib/test/image/tst_psImageConvolve.c

    r3682 r3702  
    55 *  @author Robert DeSonia, MHPCC
    66 *
    7  *  @version $Revision: 1.9 $ $Name: not supported by cvs2svn $
    8  *  @date $Date: 2005-04-07 20:27:42 $
     7 *  @version $Revision: 1.10 $ $Name: not supported by cvs2svn $
     8 *  @date $Date: 2005-04-15 00:12:09 $
    99 *
    1010 *  Copyright 2004-2005 Maui High Performance Computing Center, University of Hawaii
     
    2222static psS32 testKernelAlloc(void);
    2323static psS32 testKernelGenerate(void);
    24 //static psS32 testImageConvolve(void);
     24static psS32 testImageConvolve(void);
    2525
    2626testDescription tests[] = {
    2727                              {testKernelAlloc,731,"psKernelAlloc",0,false},
    2828                              {testKernelGenerate,732,"psKernelGenerate",0,false},
    29                               //                              {testImageConvolve,733,"psImageConvolve",0,false},
     29                              {testImageConvolve,733,"psImageConvolve",0,false},
    3030                              {NULL}
    3131                          };
     
    286286}
    287287
    288 /*
    289288static psS32 testImageConvolve(void)
    290289{
     
    292291    const psS32 c = 300;
    293292    psS32 sum;
    294  
     293
    295294    // approximate a normalized gaussian kernel.
    296295    psKernel* g = psKernelAlloc(-1,1,-1,1);
     
    304303                g->kernel[0][1] = 0.0838;
    305304    g->kernel[0][0] = 0.6193;
    306  
     305
    307306    // create a normalized non-symetric kernel.
    308307    psKernel* nsk = psKernelAlloc(0,2,0,2);
     
    319318        }
    320319    }
    321  
    322  
     320
     321
    323322    psImage* img = psImageAlloc(c,r,PS_TYPE_F32);
    324323    memset(img->data.F32[0],0,c*r*PSELEMTYPE_SIZEOF(PS_TYPE_F32));
     
    326325    img->data.F32[r/2][c/2] = 1.0f;
    327326    img->data.F32[r-1][c/2] = 1.0f;
    328  
     327
    329328    // test spacial convolution of gaussian
    330329    psLogMsg(__func__,PS_LOG_INFO,"Testing direct gaussian convolution");
    331330    psImage* out = psImageConvolve(NULL, img, g, true);
    332  
     331
    333332    if (out == NULL) {
    334333        psError(PS_ERR_UNKNOWN, true, "psImageConvolve returned a NULL for direct gaussian case.");
    335334        return 1;
    336335    }
    337  
     336
    338337    if (out->numCols != c || out->numRows != r) {
    339338        psError(PS_ERR_UNKNOWN, true, "psImageConvolve result image is %dx%d, but expected %dx%d.",
     
    342341        return 2;
    343342    }
    344  
     343
    345344    if (out->type.type != PS_TYPE_F32) {
    346345        char* typeStr;
     
    350349        return 3;
    351350    }
    352  
     351
    353352    // test values
    354353    for (psS32 i=-1;i<1;i++) {
     
    374373        }
    375374    }
    376  
     375
    377376    // test fourier convolution of gaussian
    378377    psLogMsg(__func__,PS_LOG_INFO,"Testing fourier gaussian convolution");
    379     psKernel* gg = psKernelAlloc(1,3,1,3);
    380     gg->kernel[1][1] =
    381         gg->kernel[1][3] =
    382             gg->kernel[3][1] =
    383                 gg->kernel[3][3] = 0.0113;
    384     gg->kernel[3][2] =
    385         gg->kernel[1][2] =
    386             gg->kernel[2][1] =
    387                 gg->kernel[2][3] = 0.0838;
    388     gg->kernel[2][2] = 0.6193;
    389     img->data.F32[0][0] = 0.0f;
    390     img->data.F32[r/2][c/2] = 1.0f;
    391     img->data.F32[r-1][c/2] = 0.0f;
    392     psImage* out2 = psImageConvolve(out, img, gg, false);
    393  
     378    psImage* out2 = psImageConvolve(out, img, g, false);
     379
    394380    if (out == NULL) {
    395381        psError(PS_ERR_UNKNOWN, true, "psImageConvolve returned a NULL for gaussian case.");
    396382        return 10;
    397383    }
    398  
     384
    399385    if (out != out2) {
    400386        psError(PS_ERR_UNKNOWN, true, "psImageConvolve didn't recycle the supplied out image struct.");
    401387        return 11;
    402388    }
    403  
     389
    404390    if (out->numCols != c || out->numRows != r) {
    405391        psError(PS_ERR_UNKNOWN, true, "psImageConvolve result image is %dx%d, but expected %dx%d.",
     
    408394        return 12;
    409395    }
    410  
     396
    411397    if (out->type.type != PS_TYPE_F32) {
    412398        char* typeStr;
     
    416402        return 13;
    417403    }
    418  
    419     psImageWriteSection(out2,0,0,0,NULL,0,"out2.fits");
     404
    420405    // test values
    421406    for (psS32 i=-1;i<1;i++) {
    422407        for (psS32 j=-1;j<1;j++) {
    423             if (fabsf(out->data.F32[r/2+i][c/2+j] - g->kernel[i][j]) > 0.0001) {
     408            if (fabsf(out->data.F32[r/2+i][c/2+j] - g->kernel[i][j]) > 0.01) {
    424409                psError(PS_ERR_UNKNOWN, true,"Convolved image wrong at %d,%d.  Value is %g, expected %g.",
    425410                        c/2+j,r/2+i,
    426411                        out->data.F32[r/2+i][c/2+j], g->kernel[i][j]);
    427                 psImageWriteSection(out,0,0,0,NULL,0,"problem.fits");
    428412                return 14;
    429413            }
    430             if (i >= 0 && j >= 0 && fabsf(out->data.F32[i][j] - g->kernel[i][j]) > 0.0001) {
     414            if (i >= 0 && j >= 0 && fabsf(out->data.F32[i][j] - g->kernel[i][j]) > 0.01) {
    431415                psError(PS_ERR_UNKNOWN, true,"Convolved image wrong at %d,%d.  Value is %g, expected %g.",
    432416                        j,i,
     
    434418                return 15;
    435419            }
    436             if (i <= 0 && fabsf(out->data.F32[r-1+i][c/2+j] - g->kernel[i][j]) > 0.0001) {
     420            if (i <= 0 && fabsf(out->data.F32[r-1+i][c/2+j] - g->kernel[i][j]) > 0.01) {
    437421                psError(PS_ERR_UNKNOWN, true,"Convolved image wrong at %d,%d.  Value is %g, expected %g.",
    438422                        c/2+j,r-1+i,
     
    442426        }
    443427    }
    444  
     428
    445429    psFree(g);
    446430    psFree(img);
     
    449433    return 0;
    450434}
    451 */
    452 
     435
  • trunk/psLib/test/image/tst_psImageFFT.c

    r3682 r3702  
    66 *  @author Robert DeSonia, MHPCC
    77 *
    8  *  @version $Revision: 1.17 $ $Name: not supported by cvs2svn $
    9  *  @date $Date: 2005-04-07 20:27:42 $
     8 *  @version $Revision: 1.18 $ $Name: not supported by cvs2svn $
     9 *  @date $Date: 2005-04-15 00:12:09 $
    1010 *
    1111 *  Copyright 2004-2005 Maui High Performance Computing Center, University of Hawaii
     
    6868
    6969    // 1. assign a image to a radial sinisoid
    70     GENIMAGE(img,m,n,F32, sinf((32.0f-row)/16.0f*PS_PI)+sinf((64.0f-col)/32.0f*PS_PI));
     70    GENIMAGE(img,m,n,F32, sinf((32.0f-row)/32.0f*PS_PI)+sinf((64.0f-col)/64.0f*PS_PI));
    7171
    7272    // 2. perform a forward transform
     
    8888            psF32 mag = cabsf(img2Row[col])/m/n;
    8989            if (mag > 0.1f) {
    90                 // must be (0,1) or (0,n-1) or (1,0) or (n-1,0)
     90                // must be (0,1) or (0,n-1) or (1,0) or (m-1,0)
    9191                if (! (col == 0 && (row == 1 || row == n-1))
    92                         && ! (row == 0 && (col==1 || col == n-1)) ) {
     92                        && ! (row == 0 && (col==1 || col == m-1)) ) {
    9393                    psError(PS_ERR_UNKNOWN, true,"Result invalid at %d,%d (%.2f)",col,row,mag);
    9494                    return 3;
     
    9696            } else
    9797                if ( (col == 0 && (row == 1 || row == n-1))
    98                         || (row == 0 && (col==1 || col == n-1)) ) {
     98                        || (row == 0 && (col==1 || col == m-1)) ) {
    9999                    psError(PS_ERR_UNKNOWN, true,"Result invalid at %d,%d (%.2f)",col,row,mag);
    100100                    return 4;
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