The Android Open Source Project | 7f81d9b | 2009-03-03 19:30:08 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2008 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | #ifndef bbf_SCAN_DETECTOR_EM_H |
| 18 | #define bbf_SCAN_DETECTOR_EM_H |
| 19 | |
| 20 | /* ---- includes ----------------------------------------------------------- */ |
| 21 | |
| 22 | #include "b_BasicEm/Context.h" |
| 23 | #include "b_BasicEm/Basic.h" |
| 24 | #include "b_BasicEm/UInt32Arr.h" |
| 25 | #include "b_BasicEm/Int16Arr.h" |
| 26 | #include "b_BasicEm/MemTbl.h" |
| 27 | #include "b_TensorEm/IdCluster2D.h" |
| 28 | #include "b_BitFeatureEm/Sequence.h" |
| 29 | #include "b_BitFeatureEm/BitParam.h" |
| 30 | #include "b_BitFeatureEm/Scanner.h" |
| 31 | |
| 32 | /* ---- related objects --------------------------------------------------- */ |
| 33 | |
| 34 | /* ---- typedefs ----------------------------------------------------------- */ |
| 35 | |
| 36 | /* ---- constants ---------------------------------------------------------- */ |
| 37 | |
| 38 | /* data format version number */ |
| 39 | #define bbf_SCAN_DETECTOR_VERSION 100 |
| 40 | |
| 41 | /* maximum number of features in scan detector */ |
| 42 | #define bbf_SCAN_DETECTOR_MAX_FEATURES 4 |
| 43 | |
| 44 | /* ---- object definition -------------------------------------------------- */ |
| 45 | |
| 46 | /** discrete feature set */ |
| 47 | struct bbf_ScanDetector |
| 48 | { |
| 49 | /* ---- private data --------------------------------------------------- */ |
| 50 | |
| 51 | /** minimum scale (12.20) */ |
| 52 | uint32 minScaleE; |
| 53 | |
| 54 | /** maximum scale (0: unlimited) (12.20) */ |
| 55 | uint32 maxScaleE; |
| 56 | |
| 57 | /** maximum image width (this variable must be specified before reading the parameter file) */ |
| 58 | uint32 maxImageWidthE; |
| 59 | |
| 60 | /** maximum image height (this variable must be specified before reading the parameter file) */ |
| 61 | uint32 maxImageHeightE; |
| 62 | |
| 63 | /** scanner */ |
| 64 | struct bbf_Scanner scannerE; |
| 65 | |
| 66 | /* ---- public data ---------------------------------------------------- */ |
| 67 | |
| 68 | /** patch width */ |
| 69 | uint32 patchWidthE; |
| 70 | |
| 71 | /** patch height */ |
| 72 | uint32 patchHeightE; |
| 73 | |
| 74 | /** minimum default scale (12.20) */ |
| 75 | uint32 minDefScaleE; |
| 76 | |
| 77 | /** maximum default scale (0: unlimited) (12.20) */ |
| 78 | uint32 maxDefScaleE; |
| 79 | |
| 80 | /** scale step factor (1.32) (leading bit is always one and therefore ignored) */ |
| 81 | uint32 scaleStepE; |
| 82 | |
| 83 | /** overlap threshold (16.16) */ |
| 84 | uint32 overlapThrE; |
| 85 | |
| 86 | /** border width in pixels (refers to scaled image) */ |
| 87 | uint32 borderWidthE; |
| 88 | |
| 89 | /** border height in pixels (refers to scaled image) */ |
| 90 | uint32 borderHeightE; |
| 91 | |
| 92 | /** number of features */ |
| 93 | uint32 featuresE; |
| 94 | |
| 95 | /** bit param array */ |
| 96 | struct bbf_BitParam bitParamArrE[ bbf_SCAN_DETECTOR_MAX_FEATURES ]; |
| 97 | |
| 98 | /** feature array */ |
| 99 | struct bbf_Sequence featureArrE[ bbf_SCAN_DETECTOR_MAX_FEATURES ]; |
| 100 | |
| 101 | /** reference cluster */ |
| 102 | struct bts_IdCluster2D refClusterE; |
| 103 | |
| 104 | /** reference distance (e.g. eye distance) in ref cluster (16.16) */ |
| 105 | uint32 refDistanceE; |
| 106 | |
| 107 | }; |
| 108 | |
| 109 | /* ---- associated objects ------------------------------------------------- */ |
| 110 | |
| 111 | /* ---- external functions ------------------------------------------------- */ |
| 112 | |
| 113 | /* ---- \ghd{ constructor/destructor } ------------------------------------- */ |
| 114 | |
| 115 | /** initializes bbf_ScanDetector */ |
| 116 | void bbf_ScanDetector_init( struct bbs_Context* cpA, |
| 117 | struct bbf_ScanDetector* ptrA ); |
| 118 | |
| 119 | /** resets bbf_ScanDetector */ |
| 120 | void bbf_ScanDetector_exit( struct bbs_Context* cpA, |
| 121 | struct bbf_ScanDetector* ptrA ); |
| 122 | |
| 123 | /* ---- \ghd{ operators } -------------------------------------------------- */ |
| 124 | |
| 125 | /** copy operator */ |
| 126 | void bbf_ScanDetector_copy( struct bbs_Context* cpA, |
| 127 | struct bbf_ScanDetector* ptrA, |
| 128 | const struct bbf_ScanDetector* srcPtrA ); |
| 129 | |
| 130 | /** equal operator */ |
| 131 | flag bbf_ScanDetector_equal( struct bbs_Context* cpA, |
| 132 | const struct bbf_ScanDetector* ptrA, |
| 133 | const struct bbf_ScanDetector* srcPtrA ); |
| 134 | |
| 135 | /* ---- \ghd{ query functions } -------------------------------------------- */ |
| 136 | |
| 137 | /* ---- \ghd{ modify functions } ------------------------------------------- */ |
| 138 | |
| 139 | /* ---- \ghd{ memory I/O } ------------------------------------------------- */ |
| 140 | |
| 141 | /** word size (16-bit) object needs when written to memory */ |
| 142 | uint32 bbf_ScanDetector_memSize( struct bbs_Context* cpA, |
| 143 | const struct bbf_ScanDetector* ptrA ); |
| 144 | |
| 145 | /** writes object to memory; returns number of words (16-bit) written */ |
| 146 | uint32 bbf_ScanDetector_memWrite( struct bbs_Context* cpA, |
| 147 | const struct bbf_ScanDetector* ptrA, uint16* memPtrA ); |
| 148 | |
| 149 | /** reads object from memory; returns number of words (16-bit) read */ |
| 150 | uint32 bbf_ScanDetector_memRead( struct bbs_Context* cpA, |
| 151 | struct bbf_ScanDetector* ptrA, |
| 152 | const uint16* memPtrA, |
| 153 | struct bbs_MemTbl* mtpA ); |
| 154 | |
| 155 | /* ---- \ghd{ exec functions } --------------------------------------------- */ |
| 156 | |
| 157 | /** Scans over image returns number of detected positions |
| 158 | * After processing the output data are stored in composite format |
| 159 | * in scannerPtrA->outArrE. |
| 160 | * |
| 161 | * The output data array is located after execution at *outArrPtrPtrA. |
| 162 | * The output data are organized as follows: |
| 163 | * x(16.16) y(16.16), scale(12.20), confidence(4.28), x(16.16).... |
| 164 | * |
| 165 | * All positions are sorted by descending confidence |
| 166 | * |
| 167 | * If no faces were found, the function returns 0 but the output contains |
| 168 | * one valid position with the highest confidence; the associated activity |
| 169 | * value is negative (or 0) in that case. |
| 170 | * |
| 171 | * If roiPtrA is NULL, the whole image is considered for processsing |
| 172 | * otherwise *roiPtrA specifies a section of the original image to which |
| 173 | * processing is limited. All coordinates refer to that section and must |
| 174 | * eventually be adjusted externally. |
| 175 | * The roi rectangle must not include pixels outside of the original image |
| 176 | * (checked -> error). The rectangle may be of uneven width. |
| 177 | */ |
| 178 | uint32 bbf_ScanDetector_process( struct bbs_Context* cpA, |
| 179 | struct bbf_ScanDetector* ptrA, |
| 180 | const void* imagePtrA, |
| 181 | uint32 imageWidthA, |
| 182 | uint32 imageHeightA, |
| 183 | const struct bts_Int16Rect* roiPtrA, |
| 184 | int32** outArrPtrPtrA ); |
| 185 | |
| 186 | #endif /* bbf_SCAN_DETECTOR_EM_H */ |
| 187 | |