A fully affine invariant image comparison method, Affine-SIFT (ASIFT) is introduced. While SIFT is fully invariant with respect to only four parameters namely zoom, rotation and translation, the new method treats the two left over parameters : the angles defining the camera axis orientation. Against any prognosis, simulating all views depending on these two parameters is feasible. The method permits to reliably identify features that have undergone very large affine distortions measured by a new parameter, the transition tilt. State-of-the-art methods hardly exceed transition tilts of 2 (SIFT), 2.5 (Harris-Affine and Hessian-Affine) and 10 (MSER). ASIFT can handle transition tilts up 36 and higher.

demo_ASIFT_src
..............\filter.h
..............\compute_asift_keypoints.cpp
..............\fproj.h
..............\splines.cpp
..............\test_demo_ASIFT.m
..............\adam1.png
..............\LICENSE.txt
..............\frot.cpp
..............\CMakeLists.txt
..............\domain.cpp
..............\library.h
..............\Makefile
..............\library.cpp
..............\demo_ASIFT.m
..............\adam2.png
..............\numerics1.h
..............\libMatch
..............\........\match.cpp
..............\........\CMakeLists.txt
..............\........\match.h
..............\demo_lib_sift.cpp
..............\log.txt
..............\third_party
..............\...........\Eigen
..............\...........\.....\LU
..............\...........\.....\StdDeque
..............\...........\.....\Eigen
..............\...........\.....\Cholesky
..............\...........\.....\CMakeLists.txt
..............\...........\.....\LeastSquares
..............\...........\.....\COPYING.LGPL
..............\...........\.....\Core
..............\...........\.....\Jacobi
..............\...........\.....\Householder
..............\...........\.....\src
..............\...........\.....\...\LU
..............\...........\.....\...\..\CMakeLists.txt
..............\...........\.....\...\..\Inverse.h
..............\...........\.....\...\..\FullPivLU.h
..............\...........\.....\...\..\PartialPivLU.h
..............\...........\.....\...\..\arch
..............\...........\.....\...\..\....\CMakeLists.txt
..............\...........\.....\...\..\....\Inverse_SSE.h
..............\...........\.....\...\..\Determinant.h
..............\...........\.....\...\Cholesky
..............\...........\.....\...\........\CMakeLists.txt
..............\...........\.....\...\........\LLT.h
..............\...........\.....\...\........\LDLT.h
..............\...........\.....\...\CMakeLists.txt
..............\...........\.....\...\misc
..............\...........\.....\...\....\Kernel.h
..............\...........\.....\...\....\CMakeLists.txt
..............\...........\.....\...\....\Image.h
..............\...........\.....\...\....\Solve.h
..............\...........\.....\...\Core
..............\...........\.....\...\....\CommaInitializer.h
..............\...........\.....\...\....\ArrayBase.h
..............\...........\.....\...\....\products
..............\...........\.....\...\....\........\GeneralBlockPanelKernel.h
..............\...........\.....\...\....\........\GeneralMatrixMatrixTriangular.h
..............\...........\.....\...\....\........\CMakeLists.txt
..............\...........\.....\...\....\........\SelfadjointMatrixVector.h
..............\...........\.....\...\....\........\TriangularSolverMatrix.h
..............\...........\.....\...\....\........\SelfadjointMatrixMatrix.h
..............\...........\.....\...\....\........\TriangularMatrixVector.h
..............\...........\.....\...\....\........\GeneralMatrixVector.h
..............\...........\.....\...\....\........\TriangularMatrixMatrix.h
..............\...........\.....\...\....\........\SelfadjointProduct.h
..............\...........\.....\...\....\........\GeneralMatrixMatrix.h
..............\...........\.....\...\....\........\SelfadjointRank2Update.h
..............\...........\.....\...\....\........\CoeffBasedProduct.h
..............\...........\.....\...\....\........\Parallelizer.h
..............\...........\.....\...\....\........\TriangularSolverVector.h
..............\...........\.....\...\....\Functors.h
..............\...........\.....\...\....\MatrixBase.h
..............\...........\.....\...\....\CwiseUnaryView.h
..............\...........\.....\...\....\GlobalFunctions.h
..............\...........\.....\...\....\VectorBlock.h
..............\...........\.....\...\....\MapBase.h
..............\...........\.....\...\....\CMakeLists.txt
..............\...........\.....\...\....\Diagonal.h
..............\...........\.....\...\....\Replicate.h
..............\...........\.....\...\....\CwiseNullaryOp.h
..............\...........\.....\...\....\BandMatrix.h
..............\

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