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fixing other white spaces

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pull/1315/head
dbloisi 12 years ago
parent 582d5558cc
commit a34f7b7714
3 changed files with 37 additions and 22 deletions
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  1. 2
      doc/conf.py
  2. 23
      doc/tutorials/video/background_subtraction/background_subtraction.rst
  3. 34
      samples/cpp/tutorial_code/video/bg_sub.cpp

2
doc/conf.py
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@ -403,5 +403,7 @@ extlinks = {
'cascade_classifier_load' : ('http://docs.opencv.org/modules/objdetect/doc/cascade_classification.html?highlight=load#cascadeclassifier-load%s', None ),
'cascade_classifier_detect_multiscale' : ('http://docs.opencv.org/modules/objdetect/doc/cascade_classification.html?highlight=detectmultiscale#cascadeclassifier-detectmultiscale%s', None ),
'background_subtractor' : ('http://docs.opencv.org/modules/video/doc/motion_analysis_and_object_tracking.html?highlight=backgroundsubtractor#backgroundsubtractor%s', None),
'background_subtractor_mog' : ('http://docs.opencv.org/modules/video/doc/motion_analysis_and_object_tracking.html?highlight=backgroundsubtractorMOG#backgroundsubtractormog%s', None),
'background_subtractor_mog_two' : ('http://docs.opencv.org/modules/video/doc/motion_analysis_and_object_tracking.html?highlight=backgroundsubtractorMOG2#backgroundsubtractormog2%s', None),
'video_capture' : ('http://docs.opencv.org/modules/highgui/doc/reading_and_writing_images_and_video.html?highlight=videocapture#videocapture%s', None)
}

23
doc/tutorials/video/background_subtraction/background_subtraction.rst
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@ -36,15 +36,15 @@ Code
In the following you can find the source code. We will let the user chose to process either a video file or a sequence of images.
* Two different methods are used to generate two foreground masks:
#. MOG
#. MOG2
#. :background_subtractor_mog:`MOG <>`
#. :background_subtractor_mog_two:`MOG2 <>`
The results as well as the input data are shown on the screen.
.. code-block:: cpp
//opencv
#include <opencv2/highgui/highgui.hpp>
#include <opencv2/highgui/highgui_c.h>
#include <opencv2/video/background_segm.hpp>
//C
#include <stdio.h>
@ -146,10 +146,10 @@ The results as well as the input data are shown on the screen.
stringstream ss;
rectangle(frame, cv::Point(10, 2), cv::Point(100,20),
cv::Scalar(255,255,255), -1);
ss << capture.get(CV_CAP_PROP_POS_FRAMES);
ss << capture.get(CAP_PROP_POS_FRAMES);
string frameNumberString = ss.str();
putText(frame, frameNumberString.c_str(), cv::Point(15, 15),
CV_FONT_NORMAL, 0.5 , cv::Scalar(0,0,0));
FONT_HERSHEY_SIMPLEX, 0.5 , cv::Scalar(0,0,0));
//show the current frame and the fg masks
imshow("Frame", frame);
imshow("FG Mask MOG", fgMaskMOG);
@ -191,7 +191,7 @@ The results as well as the input data are shown on the screen.
rectangle(frame, cv::Point(10, 2), cv::Point(100,20),
cv::Scalar(255,255,255), -1);
putText(frame, frameNumberString.c_str(), cv::Point(15, 15),
CV_FONT_NORMAL, 0.5 , cv::Scalar(0,0,0));
FONT_HERSHEY_SIMPLEX, 0.5 , cv::Scalar(0,0,0));
//show the current frame and the fg masks
imshow("Frame", frame);
imshow("FG Mask MOG", fgMaskMOG);
@ -286,10 +286,10 @@ We discuss the main parts of the above code:
stringstream ss;
rectangle(frame, cv::Point(10, 2), cv::Point(100,20),
cv::Scalar(255,255,255), -1);
ss << capture.get(CV_CAP_PROP_POS_FRAMES);
ss << capture.get(CAP_PROP_POS_FRAMES);
string frameNumberString = ss.str();
putText(frame, frameNumberString.c_str(), cv::Point(15, 15),
CV_FONT_NORMAL, 0.5 , cv::Scalar(0,0,0));
FONT_HERSHEY_SIMPLEX, 0.5 , cv::Scalar(0,0,0));
#. We are ready to show the current input frame and the results.
@ -347,9 +347,8 @@ Results
:alt: Background Subtraction - Video File
:align: center
* The video file Video_001.avi is part of the `Background Models Challenge (BMC) <http://bmc.univ-bpclermont.fr/>`_ data set and it can be downloaded from `here <http://bmc.univ-bpclermont.fr/sites/default/files/videos/evaluation/Video_001.zip>`_.
* The video file Video_001.avi is part of the `Background Models Challenge (BMC) <http://bmc.univ-bpclermont.fr/>`_ data set and it can be downloaded from the following link `Video_001 <http://bmc.univ-bpclermont.fr/sites/default/files/videos/evaluation/Video_001.zip>`_ (about 32 MB).
* If you want to process a sequence of images, then the '-img' option has to be chosen:
.. code-block:: cpp
@ -362,7 +361,7 @@ Results
:alt: Background Subtraction - Image Sequence
:align: center
* The sequence of images used in this example is part of the `Background Models Challenge (BMC) <http://bmc.univ-bpclermont.fr/>`_ dataset and it can be downloaded from `here <http://bmc.univ-bpclermont.fr/sites/default/files/videos/learning/111_png.zip>`_. Please, note that this example works only on sequences in which the filename format is <n>.png, where n is the frame number (e.g., 7.png).
* The sequence of images used in this example is part of the `Background Models Challenge (BMC) <http://bmc.univ-bpclermont.fr/>`_ dataset and it can be downloaded from the following link `sequence 111 <http://bmc.univ-bpclermont.fr/sites/default/files/videos/learning/111_png.zip>`_ (about 708 MB). Please, note that this example works only on sequences in which the filename format is <n>.png, where n is the frame number (e.g., 7.png).
Evaluation
==========

34
samples/cpp/tutorial_code/video/bg_sub.cpp
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@ -1,6 +1,11 @@
/**
* @file bg_sub.cpp
* @brief Background subtraction tutorial sample code
* @author Domenico D. Bloisi
*/
//opencv
#include <opencv2/highgui/highgui.hpp>
#include <opencv2/highgui/highgui_c.h>
#include <opencv2/video/background_segm.hpp>
//C
#include <stdio.h>
@ -11,7 +16,7 @@
using namespace cv;
using namespace std;
//global variables
// Global variables
Mat frame; //current frame
Mat fgMaskMOG; //fg mask generated by MOG method
Mat fgMaskMOG2; //fg mask fg mask generated by MOG2 method
@ -19,7 +24,7 @@ Ptr<BackgroundSubtractor> pMOG; //MOG Background subtractor
Ptr<BackgroundSubtractor> pMOG2; //MOG2 Background subtractor
int keyboard; //input from keyboard
//function declarations
/** Function Headers */
void help();
void processVideo(char* videoFilename);
void processImages(char* firstFrameFilename);
@ -39,6 +44,9 @@ void help()
<< endl;
}
/**
* @function main
*/
int main(int argc, char* argv[])
{
//print help information
@ -79,6 +87,9 @@ int main(int argc, char* argv[])
return EXIT_SUCCESS;
}
/**
* @function processVideo
*/
void processVideo(char* videoFilename) {
//create the capture object
VideoCapture capture(videoFilename);
@ -101,11 +112,11 @@ void processVideo(char* videoFilename) {
//get the frame number and write it on the current frame
stringstream ss;
rectangle(frame, cv::Point(10, 2), cv::Point(100,20),
cv::Scalar(255,255,255), -1);
ss << capture.get(CV_CAP_PROP_POS_FRAMES);
string frameNumberString = ss.str();
putText(frame, frameNumberString.c_str(), cv::Point(15, 15),
CV_FONT_NORMAL, 0.5 , cv::Scalar(0,0,0));
cv::Scalar(255,255,255), -1);
ss << capture.get(CAP_PROP_POS_FRAMES);
string frameNumberString = ss.str();
putText(frame, frameNumberString.c_str(), cv::Point(15, 15),
FONT_HERSHEY_SIMPLEX, 0.5 , cv::Scalar(0,0,0));
//show the current frame and the fg masks
imshow("Frame", frame);
imshow("FG Mask MOG", fgMaskMOG);
@ -117,6 +128,9 @@ void processVideo(char* videoFilename) {
capture.release();
}
/**
* @function processImages
*/
void processImages(char* fistFrameFilename) {
//read the first file of the sequence
frame = imread(fistFrameFilename);
@ -145,9 +159,9 @@ void processImages(char* fistFrameFilename) {
int frameNumber;
iss >> frameNumber;
rectangle(frame, cv::Point(10, 2), cv::Point(100,20),
cv::Scalar(255,255,255), -1);
cv::Scalar(255,255,255), -1);
putText(frame, frameNumberString.c_str(), cv::Point(15, 15),
CV_FONT_NORMAL, 0.5 , cv::Scalar(0,0,0));
FONT_HERSHEY_SIMPLEX, 0.5 , cv::Scalar(0,0,0));
//show the current frame and the fg masks
imshow("Frame", frame);
imshow("FG Mask MOG", fgMaskMOG);

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