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Diffstat (limited to 'jni/feature_stab/db_vlvm/db_utilities_constants.h')
| -rw-r--r-- | jni/feature_stab/db_vlvm/db_utilities_constants.h | 208 |
1 files changed, 208 insertions, 0 deletions
diff --git a/jni/feature_stab/db_vlvm/db_utilities_constants.h b/jni/feature_stab/db_vlvm/db_utilities_constants.h new file mode 100644 index 000000000..07565efd2 --- /dev/null +++ b/jni/feature_stab/db_vlvm/db_utilities_constants.h @@ -0,0 +1,208 @@ +/* + * Copyright (C) 2011 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +/* $Id: db_utilities_constants.h,v 1.2 2011/06/17 14:03:31 mbansal Exp $ */ + +#ifndef DB_UTILITIES_CONSTANTS +#define DB_UTILITIES_CONSTANTS + +/***************************************************************** +* Lean and mean begins here * +*****************************************************************/ + +/****************Constants********************/ +#define DB_E 2.7182818284590452354 +#define DB_LOG2E 1.4426950408889634074 +#define DB_LOG10E 0.43429448190325182765 +#define DB_LN2 0.69314718055994530942 +#define DB_LN10 2.30258509299404568402 +#define DB_PI 3.1415926535897932384626433832795 +#define DB_PI_2 1.57079632679489661923 +#define DB_PI_4 0.78539816339744830962 +#define DB_1_PI 0.31830988618379067154 +#define DB_2_PI 0.63661977236758134308 +#define DB_SQRTPI 1.7724538509055160272981674833411 +#define DB_SQRT_2PI 2.506628274631000502415765284811 +#define DB_2_SQRTPI 1.12837916709551257390 +#define DB_SQRT2 1.41421356237309504880 +#define DB_SQRT3 1.7320508075688772935274463415059 +#define DB_SQRT1_2 0.70710678118654752440 +#define DB_EPS 2.220446049250313e-016 /* for 32 bit double */ + +/****************Default Parameters********************/ +/*Preemptive ransac parameters*/ +#define DB_DEFAULT_NR_SAMPLES 500 +#define DB_DEFAULT_CHUNK_SIZE 100 +#define DB_DEFAULT_GROUP_SIZE 10 + +/*Optimisation parameters*/ +#define DB_DEFAULT_MAX_POINTS 1000 +#define DB_DEFAULT_MAX_ITERATIONS 25 +#define DB_DEFAULT_IMP_REQ 0.001 + +/*Feature standard deviation parameters*/ +#define DB_POINT_STANDARDDEV (1.0/(826.0)) /*1 pixel for CIF (fraction of (image width+image height)/2)*/ +#define DB_OUTLIER_THRESHOLD 3.0 /*In number of DB_POINT_STANDARDDEV's*/ +#define DB_WORST_CASE 50.0 /*In number of DB_POINT_STANDARDDEV's*/ + +/*Front-end parameters*/ +#define DB_DEFAULT_TARGET_NR_CORNERS 5000 +#define DB_DEFAULT_NR_FEATURE_BLOCKS 10 +#define DB_DEFAULT_ABS_CORNER_THRESHOLD 50000000.0 +#define DB_DEFAULT_REL_CORNER_THRESHOLD 0.00005 +#define DB_DEFAULT_MAX_DISPARITY 0.1 +#define DB_DEFAULT_NO_DISPARITY -1.0 +#define DB_DEFAULT_MAX_TRACK_LENGTH 300 + +#define DB_DEFAULT_MAX_NR_CAMERAS 1000 + +#define DB_DEFAULT_TRIPLE_STEP 2 +#define DB_DEFAULT_DOUBLE_STEP 2 +#define DB_DEFAULT_SINGLE_STEP 1 +#define DB_DEFAULT_NR_SINGLES 10 +#define DB_DEFAULT_NR_DOUBLES 1 +#define DB_DEFAULT_NR_TRIPLES 1 + +#define DB_DEFAULT_TRIFOCAL_FOUR_STEPS 40 + +#define DB_DEFAULT_EPIPOLAR_ERROR 1 /*in pixels*/ + +////////////////////////// DOXYGEN ///////////////////// + +/*! + * \def DB_DEFAULT_GROUP_SIZE + * \ingroup LMRobust + * \brief Default group size for db_PreemptiveRansac class. + * Group size is the number of observation costs multiplied together + * before a log of the product is added to the total cost. +*/ + +/*! + * \def DB_DEFAULT_TARGET_NR_CORNERS + * \ingroup FeatureDetection + * \brief Default target number of corners +*/ +/*! + * \def DB_DEFAULT_NR_FEATURE_BLOCKS + * \ingroup FeatureDetection + * \brief Default number of regions (horizontal or vertical) that are considered separately + * for feature detection. The greater the number, the more uniform the distribution of + * detected features. +*/ +/*! + * \def DB_DEFAULT_ABS_CORNER_THRESHOLD + * \ingroup FeatureDetection + * \brief Absolute feature strength threshold. +*/ +/*! + * \def DB_DEFAULT_REL_CORNER_THRESHOLD + * \ingroup FeatureDetection + * \brief Relative feature strength threshold. +*/ +/*! + * \def DB_DEFAULT_MAX_DISPARITY + * \ingroup FeatureMatching + * \brief Maximum disparity (as fraction of image size) allowed in feature matching +*/ + /*! + * \def DB_DEFAULT_NO_DISPARITY + * \ingroup FeatureMatching + * \brief Indicates that vertical disparity is the same as horizontal disparity. +*/ +/////////////////////////////////////////////////////////////////////////////////// + /*! + * \def DB_E + * \ingroup LMBasicUtilities + * \brief e +*/ + /*! + * \def DB_LOG2E + * \ingroup LMBasicUtilities + * \brief log2(e) +*/ + /*! + * \def DB_LOG10E + * \ingroup LMBasicUtilities + * \brief log10(e) +*/ + /*! + * \def DB_LOG10E + * \ingroup LMBasicUtilities + * \brief log10(e) +*/ +/*! + * \def DB_LN2 + * \ingroup LMBasicUtilities + * \brief ln(2) +*/ +/*! + * \def DB_LN10 + * \ingroup LMBasicUtilities + * \brief ln(10) +*/ +/*! + * \def DB_PI + * \ingroup LMBasicUtilities + * \brief Pi +*/ +/*! + * \def DB_PI_2 + * \ingroup LMBasicUtilities + * \brief Pi/2 +*/ +/*! + * \def DB_PI_4 + * \ingroup LMBasicUtilities + * \brief Pi/4 +*/ +/*! + * \def DB_1_PI + * \ingroup LMBasicUtilities + * \brief 1/Pi +*/ +/*! + * \def DB_2_PI + * \ingroup LMBasicUtilities + * \brief 2/Pi +*/ +/*! + * \def DB_SQRTPI + * \ingroup LMBasicUtilities + * \brief sqrt(Pi) +*/ +/*! + * \def DB_SQRT_2PI + * \ingroup LMBasicUtilities + * \brief sqrt(2*Pi) +*/ +/*! + * \def DB_SQRT2 + * \ingroup LMBasicUtilities + * \brief sqrt(2) +*/ +/*! + * \def DB_SQRT3 + * \ingroup LMBasicUtilities + * \brief sqrt(3) +*/ +/*! + * \def DB_SQRT1_2 + * \ingroup LMBasicUtilities + * \brief sqrt(1/2) +*/ +#endif /* DB_UTILITIES_CONSTANTS */ + + |