diff options
Diffstat (limited to 'jni/feature_stab/db_vlvm/db_utilities_camera.cpp')
-rw-r--r-- | jni/feature_stab/db_vlvm/db_utilities_camera.cpp | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/jni/feature_stab/db_vlvm/db_utilities_camera.cpp b/jni/feature_stab/db_vlvm/db_utilities_camera.cpp new file mode 100644 index 000000000..dceba9b62 --- /dev/null +++ b/jni/feature_stab/db_vlvm/db_utilities_camera.cpp @@ -0,0 +1,50 @@ +/* + * 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_camera.cpp,v 1.3 2011/06/17 14:03:31 mbansal Exp $ */ + +#include "db_utilities_camera.h" +#include "db_utilities.h" +#include <assert.h> + + + +/***************************************************************** +* Lean and mean begins here * +*****************************************************************/ + +void db_Approx3DCalMat(double K[9],double Kinv[9],int im_width,int im_height,double f_correction,int field) +{ + double iw,ih,av_size,field_fact; + + if(field) field_fact=2.0; + else field_fact=1.0; + + iw=(double)im_width; + ih=(double)(im_height*field_fact); + av_size=(iw+ih)/2.0; + K[0]=f_correction*av_size; + K[1]=0; + K[2]=iw/2.0; + K[3]=0; + K[4]=f_correction*av_size/field_fact; + K[5]=ih/2.0/field_fact; + K[6]=0; + K[7]=0; + K[8]=1; + + db_InvertCalibrationMatrix(Kinv,K); +} |