mirror of https://github.com/opencv/opencv.git
look4pritam
10 years ago
committed by
Maksim Shabunin
parent
627e2b15b3
commit
6f22f49c02
7 changed files with 327 additions and 0 deletions
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/*M///////////////////////////////////////////////////////////////////////////////////////
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//
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// IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
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//
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// By downloading, copying, installing or using the software you agree to this license.
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// If you do not agree to this license, do not download, install,
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// copy or use the software.
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//
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//
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// License Agreement
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// For Open Source Computer Vision Library
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//
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// Copyright (C) 2000-2008, Intel Corporation, all rights reserved.
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// Copyright (C) 2009, Willow Garage Inc., all rights reserved.
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// Third party copyrights are property of their respective owners.
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//
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// Redistribution and use in source and binary forms, with or without modification,
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// are permitted provided that the following conditions are met:
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//
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// * Redistribution's of source code must retain the above copyright notice,
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// this list of conditions and the following disclaimer.
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//
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// * Redistribution's in binary form must reproduce the above copyright notice,
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// this list of conditions and the following disclaimer in the documentation
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// and/or other materials provided with the distribution.
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//
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// * The name of the copyright holders may not be used to endorse or promote products
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// derived from this software without specific prior written permission.
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//
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// This software is provided by the copyright holders and contributors "as is" and
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// any express or implied warranties, including, but not limited to, the implied
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// warranties of merchantability and fitness for a particular purpose are disclaimed.
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// In no event shall the Intel Corporation or contributors be liable for any direct,
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// indirect, incidental, special, exemplary, or consequential damages
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// (including, but not limited to, procurement of substitute goods or services;
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// loss of use, data, or profits; or business interruption) however caused
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// and on any theory of liability, whether in contract, strict liability,
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// or tort (including negligence or otherwise) arising in any way out of
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// the use of this software, even if advised of the possibility of such damage.
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//
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//M*/
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#include "precomp.hpp" |
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#include "gdcm_dicom.hpp" |
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#include <gdcmImageReader.h> |
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namespace cv |
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{ |
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/************************ DICOM decoder *****************************/ |
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DICOMDecoder::DICOMDecoder() |
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{ |
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/// DICOM preable is 128 bytes (can have any vale, defaults to x00) + 4 bytes magic number (DICM)
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m_signature = ""; |
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for(int iSize=0; iSize<128; iSize++) |
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{ |
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m_signature = m_signature + "\xFF"; |
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} |
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m_signature = m_signature + "\x44\x49\x43\x4D"; |
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m_buf_supported = false; |
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} |
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DICOMDecoder::~DICOMDecoder() |
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{ |
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} |
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bool DICOMDecoder::checkSignature( const String& signature ) const |
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{ |
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size_t len = signatureLength(); |
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bool bOK = signature.size() >= len; |
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for(int iIndex = 128; iIndex < len; iIndex++) |
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{ |
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if(signature[iIndex] == m_signature[iIndex]) |
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{ |
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continue; |
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} |
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else |
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{ |
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bOK = false; |
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break; |
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} |
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} |
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return(bOK); |
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} |
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void DICOMDecoder::close() |
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{ |
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} |
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ImageDecoder DICOMDecoder::newDecoder() const |
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{ |
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return makePtr<DICOMDecoder>(); |
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} |
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bool DICOMDecoder::readHeader() |
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{ |
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gdcm::ImageReader csImageReader; |
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csImageReader.SetFileName(m_filename.c_str()); |
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if(!csImageReader.Read()) |
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{ |
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return(false); |
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} |
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bool bOK = true; |
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const gdcm::Image &csImage = csImageReader.GetImage(); |
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if( ( csImage.GetPhotometricInterpretation() == gdcm::PhotometricInterpretation::MONOCHROME1 ) |
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|| ( csImage.GetPhotometricInterpretation() == gdcm::PhotometricInterpretation::MONOCHROME2 ) |
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) |
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{ |
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gdcm::PixelFormat ePixelFormat = csImage.GetPixelFormat(); |
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if( ePixelFormat == gdcm::PixelFormat::INT8) |
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{ |
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m_type = CV_8SC1; |
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} |
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else if( ePixelFormat == gdcm::PixelFormat::UINT8) |
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{ |
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m_type = CV_8UC1; |
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} |
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else if( ePixelFormat == gdcm::PixelFormat::INT16) |
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{ |
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m_type = CV_16SC1; |
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} |
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else if( ePixelFormat == gdcm::PixelFormat::UINT16) |
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{ |
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m_type = CV_16UC1; |
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} |
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else if( ePixelFormat == gdcm::PixelFormat::INT32) |
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{ |
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m_type = CV_32SC1; |
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} |
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else if( ePixelFormat == gdcm::PixelFormat::FLOAT32) |
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{ |
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m_type = CV_32FC1; |
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} |
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else if( ePixelFormat == gdcm::PixelFormat::FLOAT64) |
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{ |
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m_type = CV_64FC1; |
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} |
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else if( ePixelFormat == gdcm::PixelFormat::INT12) |
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{ |
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bOK = false; |
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} |
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else if( ePixelFormat == gdcm::PixelFormat::UINT12) |
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{ |
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bOK = false; |
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} |
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else if( ePixelFormat == gdcm::PixelFormat::UINT32) |
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{ |
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bOK = false; |
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} |
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else if( ePixelFormat == gdcm::PixelFormat::SINGLEBIT) |
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{ |
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bOK = false; |
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} |
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else |
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{ |
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bOK = false; |
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} |
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} |
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else if( csImage.GetPhotometricInterpretation() == gdcm::PhotometricInterpretation::RGB ) |
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{ |
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gdcm::PixelFormat ePixelFormat = csImage.GetPixelFormat(); |
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if( ePixelFormat == gdcm::PixelFormat::UINT8) |
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{ |
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m_type = CV_8UC3; |
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} |
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else |
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{ |
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bOK = false; |
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} |
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} |
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else |
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{ |
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bOK = false; |
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} |
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if(bOK) |
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{ |
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const unsigned int *piDimension = csImage.GetDimensions(); |
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m_width = piDimension[0]; |
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m_height = piDimension[1]; |
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if( ( m_width <=0 ) || ( m_height <=0 ) ) |
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{ |
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bOK = false; |
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} |
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} |
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return(bOK); |
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} |
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bool DICOMDecoder::readData( Mat& csImage ) |
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{ |
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csImage.create(m_width,m_height,m_type); |
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gdcm::ImageReader csImageReader; |
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csImageReader.SetFileName(m_filename.c_str()); |
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if(!csImageReader.Read()) |
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{ |
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return(false); |
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} |
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bool bOK = true; |
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const gdcm::Image &csGDCMImage = csImageReader.GetImage(); |
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bOK = csGDCMImage.GetBuffer((char*)csImage.ptr()); |
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return(bOK); |
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} |
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} |
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@ -0,0 +1,71 @@ |
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/*M///////////////////////////////////////////////////////////////////////////////////////
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//
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// IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
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//
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|
// By downloading, copying, installing or using the software you agree to this license.
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|
// If you do not agree to this license, do not download, install,
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// copy or use the software.
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//
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//
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// License Agreement
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// For Open Source Computer Vision Library
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//
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// Copyright (C) 2000-2008, Intel Corporation, all rights reserved.
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// Copyright (C) 2009, Willow Garage Inc., all rights reserved.
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// Third party copyrights are property of their respective owners.
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//
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// Redistribution and use in source and binary forms, with or without modification,
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// are permitted provided that the following conditions are met:
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//
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// * Redistribution's of source code must retain the above copyright notice,
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|
// this list of conditions and the following disclaimer.
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|
//
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// * Redistribution's in binary form must reproduce the above copyright notice,
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|
// this list of conditions and the following disclaimer in the documentation
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// and/or other materials provided with the distribution.
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//
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// * The name of the copyright holders may not be used to endorse or promote products
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// derived from this software without specific prior written permission.
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//
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// This software is provided by the copyright holders and contributors "as is" and
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// any express or implied warranties, including, but not limited to, the implied
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// warranties of merchantability and fitness for a particular purpose are disclaimed.
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// In no event shall the Intel Corporation or contributors be liable for any direct,
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|
// indirect, incidental, special, exemplary, or consequential damages
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|
// (including, but not limited to, procurement of substitute goods or services;
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// loss of use, data, or profits; or business interruption) however caused
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// and on any theory of liability, whether in contract, strict liability,
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// or tort (including negligence or otherwise) arising in any way out of
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// the use of this software, even if advised of the possibility of such damage.
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//
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//M*/
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#ifndef _GDCM_DICOM_H_ |
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#define _GDCM_DICOM_H_ |
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#include "grfmt_base.hpp" |
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namespace cv |
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{ |
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// DICOM image reader using GDCM
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class DICOMDecoder : public BaseImageDecoder |
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{ |
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public: |
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DICOMDecoder(); |
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~DICOMDecoder(); |
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bool readData( Mat& img ); |
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bool readHeader(); |
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void close(); |
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ImageDecoder newDecoder() const; |
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virtual bool checkSignature( const String& signature ) const; |
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protected: |
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}; |
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} |
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#endif/*_GDCM_DICOM_H_*/ |
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