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bae8b2a9
编写于
7月 28, 2016
作者:
T
Tomoaki Teshima
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doc: fix typo and grammar
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doc/tutorials/objdetect/traincascade.markdown
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...
@@ -6,7 +6,7 @@ Introduction
...
@@ -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.
D
ocumentation gives some basic information about cascade classifier. Current guide is describing how
This d
ocumentation 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
...
@@ -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:
...
@@ -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 maxz
angle. 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
...
@@ -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 you
r
cascade classifier!
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