📄 imgidwt.c
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/* * * QccPack: Quantization, compression, and coding utilities * Copyright (C) 1997-2009 James E. Fowler * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * */#include "imgidwt.h"#define USG_STRING "[-w %s:wavelet] [-b %s:boundary] [-pw %: %s:pcpfile] [-m %: %s:mask] [-l %d:last_subband] %s:subband_pyramid %s:imgfile"QccWAVWavelet Wavelet;QccString WaveletFilename = QCCWAVWAVELET_DEFAULT_WAVELET;QccString Boundary = "symmetric";QccWAVPerceptualWeights PerceptualWeights;int UsePerceptualWeights = 0;QccIMGImage Mask;int MaskSpecified = 0;int MaskNumRows, MaskNumCols;QccWAVSubbandPyramid MaskSubbandPyramid;QccWAVSubbandPyramid SubbandPyramid;QccIMGImage OutputImage;int NumCols;int NumRows;int NumSubbands;int LastSubband = -1;QccWAVWavelet LazyWaveletTransform;int main(int argc, char *argv[]){ int subband; QccInit(argc, argv); QccWAVWaveletInitialize(&Wavelet); QccWAVWaveletInitialize(&LazyWaveletTransform); QccWAVPerceptualWeightsInitialize(&PerceptualWeights); QccIMGImageInitialize(&Mask); QccWAVSubbandPyramidInitialize(&SubbandPyramid); QccWAVSubbandPyramidInitialize(&MaskSubbandPyramid); QccIMGImageInitialize(&OutputImage); if (QccParseParameters(argc, argv, USG_STRING, WaveletFilename, Boundary, &UsePerceptualWeights, PerceptualWeights.filename, &MaskSpecified, Mask.filename, &LastSubband, SubbandPyramid.filename, OutputImage.filename)) QccErrorExit(); if (QccWAVWaveletCreate(&Wavelet, WaveletFilename, Boundary)) { QccErrorAddMessage("%s: Error calling QccWAVWaveletCreate()", argv[0]); QccErrorExit(); } if (QccWAVSubbandPyramidRead(&SubbandPyramid)) { QccErrorAddMessage("%s: Error calling QccWAVSubbandPyramidRead()", argv[0]); QccErrorExit(); } NumSubbands = QccWAVSubbandPyramidNumLevelsToNumSubbands(SubbandPyramid.num_levels); NumRows = SubbandPyramid.num_rows; NumCols = SubbandPyramid.num_cols; if (UsePerceptualWeights) { if (QccWAVPerceptualWeightsRead(&PerceptualWeights)) { QccErrorAddMessage("%s: Error calling QccWAVPerceptualWeightsRead()", argv[0]); QccErrorExit(); } if (PerceptualWeights.num_subbands != NumSubbands) { QccErrorAddMessage("%s: Number of subbands in %s does not match that of subband pyramid %s", argv[0], PerceptualWeights.filename, SubbandPyramid.filename); QccErrorExit(); } if (QccWAVPerceptualWeightsRemove(&SubbandPyramid, &PerceptualWeights)) { QccErrorAddMessage("%s: Error calling QccWAVPerceptualWeightsRemove()", argv[0]); QccErrorExit(); } } if (MaskSpecified) { if (QccIMGImageRead(&Mask)) { QccErrorAddMessage("%s: Error calling QccIMGImageRead()", argv[0]); QccErrorExit(); } if (QccIMGImageColor(&Mask)) { QccErrorAddMessage("%s: Mask must be grayscale", argv[0]); QccErrorExit(); } if (QccIMGImageGetSize(&Mask, &MaskNumRows, &MaskNumCols)) { QccErrorAddMessage("%s: Error calling QccIMGImageGetSize()", argv[0]); QccErrorExit(); } if ((MaskNumRows != NumRows) || (MaskNumCols != NumCols)) { QccErrorAddMessage("%s: Mask must be same size as image", argv[0]); QccErrorExit(); } } if (LastSubband >= 0) for (subband = LastSubband + 1; subband < NumSubbands; subband++) if (QccWAVSubbandPyramidZeroSubband(&SubbandPyramid, subband)) { QccErrorAddMessage("%s: Error calling QccWAVSubbandPyramidZeroSubband()", argv[0]); QccErrorExit(); } if (!MaskSpecified) { if (QccWAVSubbandPyramidInverseDWT(&SubbandPyramid, &Wavelet)) { QccErrorAddMessage("%s: Error calling QccWAVSubbandPyramidInverseDWT()", argv[0]); QccErrorExit(); } } else { MaskSubbandPyramid.num_levels = 0; MaskSubbandPyramid.num_rows = NumRows; MaskSubbandPyramid.num_cols = NumCols; MaskSubbandPyramid.matrix = Mask.Y.image; if (QccWAVWaveletCreate(&LazyWaveletTransform, "LWT.lft", "symmetric")) { QccErrorAddMessage("%s: Error calling QccWAVWaveletCreate()", argv[0]); QccErrorExit(); } if (QccWAVSubbandPyramidDWT(&MaskSubbandPyramid, SubbandPyramid.num_levels, &LazyWaveletTransform)) { QccErrorAddMessage("%s: Error calling QccWAVSubbandPyramidDWT()", argv[0]); QccErrorExit(); } if (QccWAVSubbandPyramidInverseShapeAdaptiveDWT(&SubbandPyramid, &MaskSubbandPyramid, &Wavelet)) { QccErrorAddMessage("%s: Error calling QccWAVSubbandPyramidInverseShapeAdaptiveDWT()", argv[0]); QccErrorExit(); } } OutputImage.Y.num_rows = NumRows; OutputImage.Y.num_cols = NumCols; OutputImage.Y.image = SubbandPyramid.matrix; if (QccIMGImageSetMaxMin(&OutputImage)) { QccErrorAddMessage("%s: Error calling QccIMGImageSetMaxMin()", argv[0]); QccErrorExit(); } if (QccIMGImageWrite(&OutputImage)) { QccErrorAddMessage("%s: Error calling QccIMGImageWrite()", argv[0]); QccErrorExit(); } QccWAVWaveletFree(&Wavelet); QccWAVWaveletFree(&LazyWaveletTransform); QccWAVPerceptualWeightsFree(&PerceptualWeights); QccIMGImageFree(&Mask); QccIMGImageFree(&OutputImage); QccExit;}
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