Expression version of SFMExample (in progress)
dellaert
parent
2d76f200ce
commit
3f5aa0f23e
106
.cproject
106
.cproject
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@ -518,6 +518,14 @@
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<useDefaultCommand>true</useDefaultCommand>
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<runAllBuilders>true</runAllBuilders>
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</target>
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<target name="ExpressionExample.run" path="build/gtsam_unstable/examples" targetID="org.eclipse.cdt.build.MakeTargetBuilder">
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<buildCommand>make</buildCommand>
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<buildArguments>-j5</buildArguments>
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<buildTarget>ExpressionExample.run</buildTarget>
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<stopOnError>true</stopOnError>
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<useDefaultCommand>true</useDefaultCommand>
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<runAllBuilders>true</runAllBuilders>
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</target>
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<target name="testInvDepthCamera3.run" path="build/gtsam_unstable/geometry/tests" targetID="org.eclipse.cdt.build.MakeTargetBuilder">
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<buildCommand>make</buildCommand>
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<buildArguments>-j5</buildArguments>
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@ -584,7 +592,6 @@
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</target>
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<target name="tests/testBayesTree.run" path="inference" targetID="org.eclipse.cdt.build.MakeTargetBuilder">
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<buildCommand>make</buildCommand>
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<buildArguments/>
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<buildTarget>tests/testBayesTree.run</buildTarget>
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<stopOnError>true</stopOnError>
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<useDefaultCommand>false</useDefaultCommand>
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@ -592,7 +599,6 @@
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</target>
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<target name="testBinaryBayesNet.run" path="inference" targetID="org.eclipse.cdt.build.MakeTargetBuilder">
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<buildCommand>make</buildCommand>
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<buildArguments/>
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<buildTarget>testBinaryBayesNet.run</buildTarget>
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<stopOnError>true</stopOnError>
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<useDefaultCommand>false</useDefaultCommand>
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@ -640,7 +646,6 @@
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</target>
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<target name="testSymbolicBayesNet.run" path="inference" targetID="org.eclipse.cdt.build.MakeTargetBuilder">
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<buildCommand>make</buildCommand>
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<buildArguments/>
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<buildTarget>testSymbolicBayesNet.run</buildTarget>
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<stopOnError>true</stopOnError>
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<useDefaultCommand>false</useDefaultCommand>
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@ -648,7 +653,6 @@
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</target>
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<target name="tests/testSymbolicFactor.run" path="inference" targetID="org.eclipse.cdt.build.MakeTargetBuilder">
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<buildCommand>make</buildCommand>
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<buildArguments/>
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<buildTarget>tests/testSymbolicFactor.run</buildTarget>
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<stopOnError>true</stopOnError>
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<useDefaultCommand>false</useDefaultCommand>
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@ -656,7 +660,6 @@
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</target>
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<target name="testSymbolicFactorGraph.run" path="inference" targetID="org.eclipse.cdt.build.MakeTargetBuilder">
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<buildCommand>make</buildCommand>
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<buildArguments/>
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<buildTarget>testSymbolicFactorGraph.run</buildTarget>
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<stopOnError>true</stopOnError>
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<useDefaultCommand>false</useDefaultCommand>
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@ -672,7 +675,6 @@
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</target>
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<target name="tests/testBayesTree" path="inference" targetID="org.eclipse.cdt.build.MakeTargetBuilder">
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<buildCommand>make</buildCommand>
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<buildArguments/>
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<buildTarget>tests/testBayesTree</buildTarget>
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<stopOnError>true</stopOnError>
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<useDefaultCommand>false</useDefaultCommand>
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@ -1008,7 +1010,6 @@
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</target>
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<target name="testErrors.run" path="linear" targetID="org.eclipse.cdt.build.MakeTargetBuilder">
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<buildCommand>make</buildCommand>
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<buildArguments/>
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<buildTarget>testErrors.run</buildTarget>
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<stopOnError>true</stopOnError>
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<useDefaultCommand>false</useDefaultCommand>
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@ -1238,46 +1239,6 @@
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<useDefaultCommand>true</useDefaultCommand>
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<runAllBuilders>true</runAllBuilders>
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</target>
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<target name="testBTree.run" path="build/gtsam_unstable/base/tests" targetID="org.eclipse.cdt.build.MakeTargetBuilder">
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<buildCommand>make</buildCommand>
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<buildArguments>-j5</buildArguments>
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<buildTarget>testBTree.run</buildTarget>
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<stopOnError>true</stopOnError>
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<useDefaultCommand>true</useDefaultCommand>
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<runAllBuilders>true</runAllBuilders>
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</target>
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<target name="testDSF.run" path="build/gtsam_unstable/base/tests" targetID="org.eclipse.cdt.build.MakeTargetBuilder">
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<buildCommand>make</buildCommand>
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<buildArguments>-j5</buildArguments>
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<buildTarget>testDSF.run</buildTarget>
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<stopOnError>true</stopOnError>
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<useDefaultCommand>true</useDefaultCommand>
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<runAllBuilders>true</runAllBuilders>
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</target>
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<target name="testDSFMap.run" path="build/gtsam_unstable/base/tests" targetID="org.eclipse.cdt.build.MakeTargetBuilder">
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<buildCommand>make</buildCommand>
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<buildArguments>-j5</buildArguments>
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<buildTarget>testDSFMap.run</buildTarget>
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<stopOnError>true</stopOnError>
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<useDefaultCommand>true</useDefaultCommand>
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<runAllBuilders>true</runAllBuilders>
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</target>
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<target name="testDSFVector.run" path="build/gtsam_unstable/base/tests" targetID="org.eclipse.cdt.build.MakeTargetBuilder">
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<buildCommand>make</buildCommand>
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<buildArguments>-j5</buildArguments>
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<buildTarget>testDSFVector.run</buildTarget>
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<stopOnError>true</stopOnError>
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<useDefaultCommand>true</useDefaultCommand>
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<runAllBuilders>true</runAllBuilders>
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</target>
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<target name="testFixedVector.run" path="build/gtsam_unstable/base/tests" targetID="org.eclipse.cdt.build.MakeTargetBuilder">
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<buildCommand>make</buildCommand>
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<buildArguments>-j5</buildArguments>
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<buildTarget>testFixedVector.run</buildTarget>
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<stopOnError>true</stopOnError>
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<useDefaultCommand>true</useDefaultCommand>
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<runAllBuilders>true</runAllBuilders>
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</target>
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<target name="all" path="slam" targetID="org.eclipse.cdt.build.MakeTargetBuilder">
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<buildCommand>make</buildCommand>
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<buildArguments>-j2</buildArguments>
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@ -1360,6 +1321,7 @@
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</target>
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<target name="testSimulated2DOriented.run" path="slam" targetID="org.eclipse.cdt.build.MakeTargetBuilder">
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<buildCommand>make</buildCommand>
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<buildArguments/>
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<buildTarget>testSimulated2DOriented.run</buildTarget>
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<stopOnError>true</stopOnError>
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<useDefaultCommand>false</useDefaultCommand>
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@ -1399,6 +1361,7 @@
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</target>
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<target name="testSimulated2D.run" path="slam" targetID="org.eclipse.cdt.build.MakeTargetBuilder">
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<buildCommand>make</buildCommand>
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<buildArguments/>
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<buildTarget>testSimulated2D.run</buildTarget>
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<stopOnError>true</stopOnError>
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<useDefaultCommand>false</useDefaultCommand>
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@ -1406,6 +1369,7 @@
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</target>
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<target name="testSimulated3D.run" path="slam" targetID="org.eclipse.cdt.build.MakeTargetBuilder">
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<buildCommand>make</buildCommand>
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<buildArguments/>
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<buildTarget>testSimulated3D.run</buildTarget>
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<stopOnError>true</stopOnError>
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<useDefaultCommand>false</useDefaultCommand>
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@ -1419,6 +1383,46 @@
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<useDefaultCommand>true</useDefaultCommand>
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<runAllBuilders>true</runAllBuilders>
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</target>
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<target name="testBTree.run" path="build/gtsam_unstable/base/tests" targetID="org.eclipse.cdt.build.MakeTargetBuilder">
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<buildCommand>make</buildCommand>
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<buildArguments>-j5</buildArguments>
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<buildTarget>testBTree.run</buildTarget>
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<stopOnError>true</stopOnError>
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<useDefaultCommand>true</useDefaultCommand>
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<runAllBuilders>true</runAllBuilders>
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</target>
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<target name="testDSF.run" path="build/gtsam_unstable/base/tests" targetID="org.eclipse.cdt.build.MakeTargetBuilder">
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<buildCommand>make</buildCommand>
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<buildArguments>-j5</buildArguments>
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<buildTarget>testDSF.run</buildTarget>
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<stopOnError>true</stopOnError>
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<useDefaultCommand>true</useDefaultCommand>
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<runAllBuilders>true</runAllBuilders>
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</target>
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<target name="testDSFMap.run" path="build/gtsam_unstable/base/tests" targetID="org.eclipse.cdt.build.MakeTargetBuilder">
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<buildCommand>make</buildCommand>
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<buildArguments>-j5</buildArguments>
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<buildTarget>testDSFMap.run</buildTarget>
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<stopOnError>true</stopOnError>
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<useDefaultCommand>true</useDefaultCommand>
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<runAllBuilders>true</runAllBuilders>
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</target>
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<target name="testDSFVector.run" path="build/gtsam_unstable/base/tests" targetID="org.eclipse.cdt.build.MakeTargetBuilder">
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<buildCommand>make</buildCommand>
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<buildArguments>-j5</buildArguments>
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<buildTarget>testDSFVector.run</buildTarget>
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<stopOnError>true</stopOnError>
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<useDefaultCommand>true</useDefaultCommand>
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<runAllBuilders>true</runAllBuilders>
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</target>
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<target name="testFixedVector.run" path="build/gtsam_unstable/base/tests" targetID="org.eclipse.cdt.build.MakeTargetBuilder">
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<buildCommand>make</buildCommand>
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<buildArguments>-j5</buildArguments>
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<buildTarget>testFixedVector.run</buildTarget>
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<stopOnError>true</stopOnError>
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<useDefaultCommand>true</useDefaultCommand>
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<runAllBuilders>true</runAllBuilders>
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</target>
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<target name="testEliminationTree.run" path="build/gtsam/inference/tests" targetID="org.eclipse.cdt.build.MakeTargetBuilder">
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<buildCommand>make</buildCommand>
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<buildArguments>-j5</buildArguments>
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@ -1676,7 +1680,6 @@
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</target>
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<target name="Generate DEB Package" path="" targetID="org.eclipse.cdt.build.MakeTargetBuilder">
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<buildCommand>cpack</buildCommand>
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<buildArguments/>
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<buildTarget>-G DEB</buildTarget>
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<stopOnError>true</stopOnError>
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<useDefaultCommand>false</useDefaultCommand>
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@ -1684,7 +1687,6 @@
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</target>
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<target name="Generate RPM Package" path="" targetID="org.eclipse.cdt.build.MakeTargetBuilder">
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<buildCommand>cpack</buildCommand>
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<buildArguments/>
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<buildTarget>-G RPM</buildTarget>
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<stopOnError>true</stopOnError>
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<useDefaultCommand>false</useDefaultCommand>
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@ -1692,7 +1694,6 @@
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</target>
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<target name="Generate TGZ Package" path="" targetID="org.eclipse.cdt.build.MakeTargetBuilder">
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<buildCommand>cpack</buildCommand>
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<buildArguments/>
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<buildTarget>-G TGZ</buildTarget>
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<stopOnError>true</stopOnError>
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<useDefaultCommand>false</useDefaultCommand>
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@ -1700,7 +1701,6 @@
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</target>
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<target name="Generate TGZ Source Package" path="" targetID="org.eclipse.cdt.build.MakeTargetBuilder">
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<buildCommand>cpack</buildCommand>
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<buildArguments/>
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<buildTarget>--config CPackSourceConfig.cmake</buildTarget>
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<stopOnError>true</stopOnError>
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<useDefaultCommand>false</useDefaultCommand>
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@ -2427,7 +2427,6 @@
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</target>
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<target name="testGraph.run" path="build/tests" targetID="org.eclipse.cdt.build.MakeTargetBuilder">
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<buildCommand>make</buildCommand>
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<buildArguments/>
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<buildTarget>testGraph.run</buildTarget>
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<stopOnError>true</stopOnError>
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<useDefaultCommand>false</useDefaultCommand>
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@ -2435,7 +2434,6 @@
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</target>
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<target name="testJunctionTree.run" path="build/tests" targetID="org.eclipse.cdt.build.MakeTargetBuilder">
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<buildCommand>make</buildCommand>
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<buildArguments/>
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<buildTarget>testJunctionTree.run</buildTarget>
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<stopOnError>true</stopOnError>
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<useDefaultCommand>false</useDefaultCommand>
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@ -2443,7 +2441,6 @@
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</target>
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<target name="testSymbolicBayesNetB.run" path="build/tests" targetID="org.eclipse.cdt.build.MakeTargetBuilder">
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<buildCommand>make</buildCommand>
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<buildArguments/>
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<buildTarget>testSymbolicBayesNetB.run</buildTarget>
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<stopOnError>true</stopOnError>
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<useDefaultCommand>false</useDefaultCommand>
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@ -2931,6 +2928,7 @@
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</target>
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<target name="tests/testGaussianISAM2" path="build/slam" targetID="org.eclipse.cdt.build.MakeTargetBuilder">
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<buildCommand>make</buildCommand>
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<buildArguments/>
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<buildTarget>tests/testGaussianISAM2</buildTarget>
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<stopOnError>true</stopOnError>
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<useDefaultCommand>false</useDefaultCommand>
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@ -0,0 +1,98 @@
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/* ----------------------------------------------------------------------------
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* GTSAM Copyright 2010, Georgia Tech Research Corporation,
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* Atlanta, Georgia 30332-0415
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* All Rights Reserved
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* Authors: Frank Dellaert, et al. (see THANKS for the full author list)
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* See LICENSE for the license information
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* -------------------------------------------------------------------------- */
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/**
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* @file ExpressionExample.cpp
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* @brief A structure-from-motion example done with Expressions
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* @author Frank Dellaert
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* @author Duy-Nguyen Ta
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* @date October 1, 2014
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*/
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/**
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* This is the Expression version of SFMExample
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* See detailed description of headers there, this focuses on explaining the AD part
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*/
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// The two new headers that allow using our Automatic Differentiation Expression framework
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#include <gtsam_unstable/slam/expressions.h>
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#include <gtsam_unstable/nonlinear/BADFactor.h>
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// Header order is close to far
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#include <examples/SFMdata.h>
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#include <gtsam/slam/PriorFactor.h>
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#include <gtsam/slam/ProjectionFactor.h>
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#include <gtsam/geometry/Point2.h>
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#include <gtsam/nonlinear/NonlinearFactorGraph.h>
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#include <gtsam/nonlinear/DoglegOptimizer.h>
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#include <gtsam/nonlinear/Values.h>
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#include <gtsam/inference/Symbol.h>
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#include <vector>
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using namespace std;
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using namespace gtsam;
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/* ************************************************************************* */
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int main(int argc, char* argv[]) {
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Cal3_S2::shared_ptr K(new Cal3_S2(50.0, 50.0, 0.0, 50.0, 50.0));
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noiseModel::Isotropic::shared_ptr measurementNoise = noiseModel::Isotropic::Sigma(2, 1.0); // one pixel in u and v
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// Create the set of ground-truth landmarks and poses
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vector<Point3> points = createPoints();
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vector<Pose3> poses = createPoses();
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// Create a factor graph
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NonlinearFactorGraph graph;
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// Specify uncertainty on first pose prior
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noiseModel::Diagonal::shared_ptr poseNoise = noiseModel::Diagonal::Sigmas((Vector(6) << Vector3::Constant(0.3), Vector3::Constant(0.1)));
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// Here we don't use a PriorFactor but directly the BADFactor class
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// The object x0 is an Expression, and we create a factor wanting it to be equal to poses[0]
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Pose3_ x0('x',0);
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// graph.push_back(BADFactor<Pose3>(poses[0], x0, poseNoise));
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graph.push_back(PriorFactor<Pose3>(Symbol('x', 0), poses[0], poseNoise)); // add directly to graph
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// Simulated measurements from each camera pose, adding them to the factor graph
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for (size_t i = 0; i < poses.size(); ++i) {
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for (size_t j = 0; j < points.size(); ++j) {
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SimpleCamera camera(poses[i], *K);
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Point2 measurement = camera.project(points[j]);
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graph.push_back(GenericProjectionFactor<Pose3, Point3, Cal3_S2>(measurement, measurementNoise, Symbol('x', i), Symbol('l', j), K));
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}
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}
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// Because the structure-from-motion problem has a scale ambiguity, the problem is still under-constrained
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// Here we add a prior on the position of the first landmark. This fixes the scale by indicating the distance
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// between the first camera and the first landmark. All other landmark positions are interpreted using this scale.
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noiseModel::Isotropic::shared_ptr pointNoise = noiseModel::Isotropic::Sigma(3, 0.1);
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graph.push_back(PriorFactor<Point3>(Symbol('l', 0), points[0], pointNoise)); // add directly to graph
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graph.print("Factor Graph:\n");
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// Create the data structure to hold the initial estimate to the solution
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// Intentionally initialize the variables off from the ground truth
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Values initialEstimate;
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for (size_t i = 0; i < poses.size(); ++i)
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initialEstimate.insert(Symbol('x', i), poses[i].compose(Pose3(Rot3::rodriguez(-0.1, 0.2, 0.25), Point3(0.05, -0.10, 0.20))));
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for (size_t j = 0; j < points.size(); ++j)
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initialEstimate.insert(Symbol('l', j), points[j].compose(Point3(-0.25, 0.20, 0.15)));
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initialEstimate.print("Initial Estimates:\n");
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/* Optimize the graph and print results */
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Values result = DoglegOptimizer(graph, initialEstimate).optimize();
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result.print("Final results:\n");
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return 0;
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}
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/* ************************************************************************* */
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