AdaptiveLocalFilter.h

Go to the documentation of this file.

//     ____   ______ __
//    / __ \ / ____// /
//   / /_/ // /    / /
//  / ____// /___ / /___   PixInsight Class Library
// /_/     \____//_____/   PCL 2.7.0
// ----------------------------------------------------------------------------
// pcl/AdaptiveLocalFilter.h - Released 2024-06-18T15:48:54Z
// ----------------------------------------------------------------------------
// This file is part of the PixInsight Class Library (PCL).
// PCL is a multiplatform C++ framework for development of PixInsight modules.
//
// Copyright (c) 2003-2024 Pleiades Astrophoto S.L. All Rights Reserved.
//
// Redistribution and use in both source and binary forms, with or without
// modification, is permitted provided that the following conditions are met:
//
// 1. All redistributions of source code must retain the above copyright
//    notice, this list of conditions and the following disclaimer.
//
// 2. All redistributions in binary form must reproduce the above copyright
//    notice, this list of conditions and the following disclaimer in the
//    documentation and/or other materials provided with the distribution.
//
// 3. Neither the names "PixInsight" and "Pleiades Astrophoto", nor the names
//    of their contributors, may be used to endorse or promote products derived
//    from this software without specific prior written permission. For written
//    permission, please contact info@pixinsight.com.
//
// 4. All products derived from this software, in any form whatsoever, must
//    reproduce the following acknowledgment in the end-user documentation
//    and/or other materials provided with the product:
//
//    "This product is based on software from the PixInsight project, developed
//    by Pleiades Astrophoto and its contributors (https://pixinsight.com/)."
//
//    Alternatively, if that is where third-party acknowledgments normally
//    appear, this acknowledgment must be reproduced in the product itself.
//
// THIS SOFTWARE IS PROVIDED BY PLEIADES ASTROPHOTO AND ITS CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
// TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL PLEIADES ASTROPHOTO OR ITS
// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
// EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, BUSINESS
// INTERRUPTION; PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; AND LOSS OF USE,
// DATA OR PROFITS) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
// ----------------------------------------------------------------------------
 
#ifndef __PCL_AdaptiveLocalFilter_h
#define __PCL_AdaptiveLocalFilter_h
 
 
#include <pcl/Defs.h>
#include <pcl/Diagnostics.h>
 
#include <pcl/ImageTransformation.h>
#include <pcl/ParallelProcess.h>
 
namespace pcl
{
 
// ----------------------------------------------------------------------------
 
class PCL_CLASS AdaptiveLocalFilter : public ImageTransformation,
                                      public ParallelProcess
{
public:
 
   AdaptiveLocalFilter( double sigma, int size = 5, bool useMAD = false )
      : m_size( Max( 3, size|1 ) )
      , m_sigma( Max( 0.0, sigma ) )
      , m_useMAD( useMAD )
   {
   }
 
   AdaptiveLocalFilter( const AdaptiveLocalFilter& ) = default;
 
   ~AdaptiveLocalFilter() override
   {
   }
 
   int Size() const
   {
      return m_size;
   }
 
   void SetSize( int size )
   {
      PCL_PRECONDITION( size >= 3 )
      PCL_PRECONDITION( (size & 1) != 0 )
      m_size = Max( 3, size|1 );
   }
 
   double Sigma() const
   {
      return m_sigma;
   }
 
   void SetSigma( double sigma )
   {
      PCL_PRECONDITION( sigma >= 0 )
      m_sigma = Max( 0.0, sigma );
   }
 
   bool UsingMAD() const
   {
      return m_useMAD;
   }
 
   void UseMAD( bool useMAD = true )
   {
      m_useMAD = useMAD;
   }
 
protected:
 
   int    m_size;            // filter size in pixels.
   double m_sigma = 5;       // standard deviation of the noise in the target image.
   bool   m_useMAD = false;  // use MAD instead of variance / standard deviation.
 
   /*
    * Adaptive local filter in the spatial domain.
    */
   void Apply( pcl::Image& ) const override;
   void Apply( pcl::DImage& ) const override;
   void Apply( pcl::UInt8Image& ) const override;
   void Apply( pcl::UInt16Image& ) const override;
   void Apply( pcl::UInt32Image& ) const override;
};
 
// ----------------------------------------------------------------------------
 
} // pcl
 
#endif   // __PCL_AdaptiveLocalFilter_h
 
// ----------------------------------------------------------------------------
// EOF pcl/AdaptiveLocalFilter.h - Released 2024-06-18T15:48:54Z