generic-library/opencv
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Merge pull request #7007 from tomoaki0705:fixDocTypo

Browse Source
This commit is contained in:
Vadim Pisarevsky 2016-07-28 11:42:07 +00:00
commit 8124b5600f
1 changed files with 4 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
doc/tutorials/objdetect/traincascade.markdown
View File

@ -6,7 +6,7 @@ Introduction
The work with a cascade classifier inlcudes two major stages: training and detection. Detection The work with a cascade classifier inlcudes two major stages: training and detection. Detection
stage is described in a documentation of objdetect module of general OpenCV documentation. stage is described in a documentation of objdetect module of general OpenCV documentation.
Documentation gives some basic information about cascade classifier. Current guide is describing how This documentation gives some basic information about cascade classifier. Current guide is describing how
to train a cascade classifier: preparation of the training data and running the training application. to train a cascade classifier: preparation of the training data and running the training application.
### Important notes ### Important notes
@ -14,7 +14,7 @@ to train a cascade classifier: preparation of the training data and running the
There are two applications in OpenCV to train cascade classifier: opencv_haartraining and There are two applications in OpenCV to train cascade classifier: opencv_haartraining and
opencv_traincascade. opencv_traincascade is a newer version, written in C++ in accordance to opencv_traincascade. opencv_traincascade is a newer version, written in C++ in accordance to
OpenCV 2.x API. But the main difference between this two applications is that opencv_traincascade OpenCV 2.x API. But the main difference between this two applications is that opencv_traincascade
supports both Haar @cite Viola01 and @cite Liao2007 (Local Binary Patterns) features. LBP features supports both Haar @cite Viola01 and LBP (Local Binary Patterns) @cite Liao2007 features. LBP features
are integer in contrast to Haar features, so both training and detection with LBP are several times are integer in contrast to Haar features, so both training and detection with LBP are several times
faster then with Haar features. Regarding the LBP and Haar detection quality, it depends on faster then with Haar features. Regarding the LBP and Haar detection quality, it depends on
training: the quality of training dataset first of all and training parameters too. It's possible to training: the quality of training dataset first of all and training parameters too. It's possible to
@ -152,7 +152,7 @@ Command line arguments:
Height (in pixels) of the output samples. Height (in pixels) of the output samples.
For following procedure is used to create a sample object instance: The source image is rotated For following procedure is used to create a sample object instance: The source image is rotated
randomly around all three axes. The chosen angle is limited my -max?angle. Then pixels having the randomly around all three axes. The chosen angle is limited by -maxxangle, -maxyangle and maxzangle. Then pixels having the
intensity from [bg_color-bg_color_threshold; bg_color+bg_color_threshold] range are intensity from [bg_color-bg_color_threshold; bg_color+bg_color_threshold] range are
interpreted as transparent. White noise is added to the intensities of the foreground. If the -inv interpreted as transparent. White noise is added to the intensities of the foreground. If the -inv
key is specified then foreground pixel intensities are inverted. If -randinv key is specified then key is specified then foreground pixel intensities are inverted. If -randinv key is specified then
@ -326,4 +326,4 @@ in cascade.xml file in the folder, which was passed as -data parameter. Other fi
are created for the case of interrupted training, so you may delete them after completion of are created for the case of interrupted training, so you may delete them after completion of
training. training.
Training is finished and you can test you cascade classifier! Training is finished and you can test your cascade classifier!