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[Pyphant-devel] SF.net SVN: pyphant:[603] trunk/src/workers/ImageProcessing/ImageProcessing
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From: <zk...@us...> - 2009-01-22 14:27:13
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Revision: 603
http://pyphant.svn.sourceforge.net/pyphant/?rev=603&view=rev
Author: zklaus
Date: 2009-01-22 14:27:09 +0000 (Thu, 22 Jan 2009)
Log Message:
-----------
Added missing module CoverageWorker and removed module CoverageThreshold.
Added Paths:
-----------
trunk/src/workers/ImageProcessing/ImageProcessing/CoverageWorker.py
Removed Paths:
-------------
trunk/src/workers/ImageProcessing/ImageProcessing/CoverageThreshold.py
Deleted: trunk/src/workers/ImageProcessing/ImageProcessing/CoverageThreshold.py
===================================================================
--- trunk/src/workers/ImageProcessing/ImageProcessing/CoverageThreshold.py 2009-01-20 15:24:22 UTC (rev 602)
+++ trunk/src/workers/ImageProcessing/ImageProcessing/CoverageThreshold.py 2009-01-22 14:27:09 UTC (rev 603)
@@ -1,84 +0,0 @@
-# -*- coding: utf-8 -*-
-
-# Copyright (c) 2006-2007, Rectorate of the University of Freiburg
-# All rights reserved.
-#
-# Redistribution and use in source and binary forms, with or without
-# modification, are permitted provided that the following conditions are met:
-#
-# * Redistributions of source code must retain the above copyright
-# notice, this list of conditions and the following disclaimer.
-# * 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.
-# * Neither the name of the Freiburg Materials Research Center,
-# University of Freiburg nor the names of its contributors may be used to
-# endorse or promote products derived from this software without specific
-# prior written permission.
-#
-#
-# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT OWNER
-# OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
-# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
-# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
-# PROFITS; OR BUSINESS INTERRUPTION) 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.
-
-u"""
-"""
-
-__id__ = "$Id$"
-__author__ = "$Author$"
-__version__ = "$Revision$"
-# $Source$
-
-from pyphant.core import Worker, Connectors,\
- Param, DataContainer
-
-def weight2Coverage(w1, rho1, rho2):
- return (w1*rho2)/(w1*rho2+(1.0-w1)*rho1)
-
-def calculateThreshold(image, coveragePercent):
- import scipy
- data = image.data
- histogram = scipy.histogram(data, len(scipy.unique(data)))
- cumsum = scipy.cumsum(histogram[0])
- targetValue = cumsum[-1]*coveragePercent
- index = scipy.argmin(scipy.absolute(cumsum-targetValue))
- threshold = histogram[1][index]
- return threshold*image.unit
-
-class CoverageWorker(Worker.Worker):
- API = 2
- VERSION = 1
- REVISION = "$Revision$"[11:-1]
- name = "Coverage worker"
- _sockets = [("image", Connectors.TYPE_IMAGE)]
- _params = [("w1", "Weight per cent of the dark material", "25%", None),
- ("rho1", "Density of the dark material", "0.97g/cm**3", None),
- ("rho2", "Density of the light material", "1.29g/cm**3", None),
- ]
-
- @Worker.plug(Connectors.TYPE_IMAGE)
- def threshold(self, image, subscriber=0):
- from pyphant.quantities.ParseQuantities import parseQuantity
- w1 = parseQuantity(self.paramW1.value)[0]
- rho1 = parseQuantity(self.paramRho1.value)
- rho2 = parseQuantity(self.paramRho2.value)
- coveragePercent = weight2Coverage(w1, rho1, rho2)
- th = calculateThreshold(image, coveragePercent)
- resultArray = scipy.where( image.data < th,
- ImageProcessing.FEATURE_COLOR,
- ImageProcessing.BACKGROUND_COLOR )
- result = DataContainer.FieldContainer(resultArray,
- dimensions=copy.deepcopy(image.dimensions),
- longname=u"Binary Image", shortname=u"B")
- result.seal()
- return result
-
-
Copied: trunk/src/workers/ImageProcessing/ImageProcessing/CoverageWorker.py (from rev 602, trunk/src/workers/ImageProcessing/ImageProcessing/CoverageThreshold.py)
===================================================================
--- trunk/src/workers/ImageProcessing/ImageProcessing/CoverageWorker.py (rev 0)
+++ trunk/src/workers/ImageProcessing/ImageProcessing/CoverageWorker.py 2009-01-22 14:27:09 UTC (rev 603)
@@ -0,0 +1,85 @@
+# -*- coding: utf-8 -*-
+
+# Copyright (c) 2006-2007, Rectorate of the University of Freiburg
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are met:
+#
+# * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+# * 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.
+# * Neither the name of the Freiburg Materials Research Center,
+# University of Freiburg nor the names of its contributors may be used to
+# endorse or promote products derived from this software without specific
+# prior written permission.
+#
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT OWNER
+# OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+# PROFITS; OR BUSINESS INTERRUPTION) 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.
+
+u"""
+"""
+
+__id__ = "$Id$"
+__author__ = "$Author$"
+__version__ = "$Revision$"
+# $Source$
+
+from pyphant.core import Worker, Connectors,\
+ Param, DataContainer
+
+def weight2Coverage(w1, rho1, rho2):
+ return (w1*rho2)/(w1*rho2+(1.0-w1)*rho1)
+
+def calculateThreshold(image, coveragePercent):
+ import scipy
+ data = image.data
+ histogram = scipy.histogram(data, len(scipy.unique(data)))
+ cumsum = scipy.cumsum(histogram[0])
+ targetValue = cumsum[-1]*coveragePercent
+ index = scipy.argmin(scipy.absolute(cumsum-targetValue))
+ threshold = histogram[1][index]
+ return threshold*image.unit
+
+class CoverageWorker(Worker.Worker):
+ API = 2
+ VERSION = 1
+ REVISION = "$Revision$"[11:-1]
+ name = "Coverage worker"
+ _sockets = [("image", Connectors.TYPE_IMAGE)]
+ _params = [("w1", "Weight per cent of the dark material", "25%", None),
+ ("rho1", "Density of the dark material", "0.97g/cm**3", None),
+ ("rho2", "Density of the light material", "1.29g/cm**3", None),
+ ]
+
+ @Worker.plug(Connectors.TYPE_IMAGE)
+ def threshold(self, image, subscriber=0):
+ from pyphant.quantities.ParseQuantities import parseQuantity
+ w1 = parseQuantity(self.paramW1.value)[0]
+ rho1 = parseQuantity(self.paramRho1.value)[0]
+ rho2 = parseQuantity(self.paramRho2.value)[0]
+ coveragePercent = weight2Coverage(w1, rho1, rho2)
+ th = calculateThreshold(image, coveragePercent)
+ import scipy, ImageProcessing, copy
+ resultArray = scipy.where( image.data < th,
+ ImageProcessing.FEATURE_COLOR,
+ ImageProcessing.BACKGROUND_COLOR )
+ result = DataContainer.FieldContainer(resultArray,
+ dimensions=copy.deepcopy(image.dimensions),
+ longname=u"Binary Image", shortname=u"B")
+ result.seal()
+ return result
+
+
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