Utility class for image and ground truth transofmrations. More...

#include <transformation.h>

Static Public Member Functions
static void	applyGaussianAdditiveNoise (const cv::Mat &image, float variance, cv::Mat &noisy_image)
	Add Gaussian additive noise to image with the given variance on all channels. More...

static void	applyGaussianSamplingErrors (const cv::Mat &image, float variance, cv::Mat &noisy_image)
	Add Gaussian sampling errors with given variance. More...

static void	applySaltAndPepperNoise (const cv::Mat &image, float p, cv::Mat &noisy_image)
	Add salt and pepper noise. More...

static void	applyPoissonNoise (const cv::Mat &image, cv::Mat &noisy_image)
	Add poisson noise. More...

static void	applyBlur (const cv::Mat &image, int size, cv::Mat &blurred_image)
	Apply blur (box filter). More...

static void	applyGaussianBlur (const cv::Mat &image, int size, float sigma_x, float sigma_y, cv::Mat &blurred_image)
	Apply Gaussian blurring. More...

static void	applyMedianBlur (const cv::Mat &image, int size, cv::Mat &blurred_image)
	Apply median filter. More...

static void	applyBilateralFilter (const cv::Mat &image, int size, float sigma_color, float sigma_space, cv::Mat &filtered_image)
	Apply bilateral filter. More...

static void	applyMotionBlur (const cv::Mat &image, int size, float angle, cv::Mat &blurred_image)
	Apply motion blur. More...

template<typename T >
static void	applyVerticalShear (const cv::Mat &image, int crop, float shear, cv::Mat &sheared_image)
	Apply vertical shear. More...

template<typename T >
static void	applyHorizontalShear (const cv::Mat &image, int crop, float shear, cv::Mat &sheared_image)
	Apply horizontal shear. More...

template<typename T >
static void	applyRotation (const cv::Mat &image, int crop, float angle, cv::Mat &rotated_image, int interpolation=cv::INTER_LINEAR)
	Apply rotation. More...

template<typename T >
static void	applyTranslation (const cv::Mat &image, int crop, int translation_x, int translation_y, cv::Mat &translated_image)
	Apply translation. More...

Detailed Description

Utility class for image and ground truth transofmrations.

Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:

Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
Neither the name of the copyright holder nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

Author: David Stutz

Member Function Documentation

void Transformation::applyBilateralFilter	(	const cv::Mat &	image,
		int	size,
		float	sigma_color,
		float	sigma_space,
		cv::Mat &	filtered_image
	)

static

Apply bilateral filter.

Parameters

[in]	image	image to apply bilateral filter to
[in]	size	filter size
[in]	sigma_color	Gaussian variance for color
[in]	sigma_space	Gaussian variance for space
[out]	filtered_image	filtered image

void Transformation::applyBlur	(	const cv::Mat &	image,
		int	size,
		cv::Mat &	blurred_image
	)

static

Apply blur (box filter).

Parameters

[in]	image	image to apply blur filter to
[in]	size	size of filter
[out]	blurred_image	blrured image

void Transformation::applyGaussianAdditiveNoise	(	const cv::Mat &	image,
		float	variance,
		cv::Mat &	noisy_image
	)

static

Add Gaussian additive noise to image with the given variance on all channels.

Parameters

[in]	image	image to add Gaussian additive noise to
[in]	variance	variance of the Gaussian
[out]	noisy_image	noisy image

Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:

Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
Neither the name of the copyright holder nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

void Transformation::applyGaussianBlur	(	const cv::Mat &	image,
		int	size,
		float	sigma_x,
		float	sigma_y,
		cv::Mat &	blurred_image
	)

static

Apply Gaussian blurring.

Parameters

[in]	image	image to apply Gaussian blur to
[in]	size	size of filter
[in]	sigma_x	variance in x direction
[in]	sigma_y	variance in y direction
[out]	blurred_image	blurred image

void Transformation::applyGaussianSamplingErrors	(	const cv::Mat &	image,
		float	variance,
		cv::Mat &	noisy_image
	)

static

Add Gaussian sampling errors with given variance.

Parameters

[in]	image	image to add Gaussian sampling errors to
[in]	variance	variance of the Gaussian
[out]	noisy_image

template<typename T >

template void Transformation::applyHorizontalShear< int >	(	const cv::Mat &	image,
		int	crop,
		float	shear,
		cv::Mat &	sheared_image
	)

static

Apply horizontal shear.

Parameters

[in]	image	image to apply shear to
[in]	crop	crop image before shearing
[in]	shear	shear parameter
[out]	sheared_image	sheared image

void Transformation::applyMedianBlur	(	const cv::Mat &	image,
		int	size,
		cv::Mat &	blurred_image
	)

static

Apply median filter.

Parameters

[in]	image	image to apply median filter to
[in]	size	size of filter
[out]	blurred_image	blurred image

void Transformation::applyMotionBlur	(	const cv::Mat &	image,
		int	size,
		float	angle,
		cv::Mat &	blurred_image
	)

static

Apply motion blur.

Parameters

[in]	image	image to apply motion blur to
[in]	size	size of filter
[in]	angle	angle of motion blur
[out]	blrured_image	blurred image

void Transformation::applyPoissonNoise	(	const cv::Mat &	image,
		cv::Mat &	noisy_image
	)

static

Add poisson noise.

Parameters

[in]	image	image to add Poisson noise to
[out]	noisy_image	noisy image

template<typename T >

template void Transformation::applyRotation< float >	(	const cv::Mat &	image,
		int	crop,
		float	angle,
		cv::Mat &	rotated_image,
		int	interpolation = `cv::INTER_LINEAR`
	)

static

Apply rotation.

Parameters

[in]	image	image ot apply rotation to
[in]	crop	crop the image before rotating
[in]	angle	angle of rotation
[out]	rotated_image	rotated image

void Transformation::applySaltAndPepperNoise	(	const cv::Mat &	image,
		float	p,
		cv::Mat &	noisy_image
	)

static

Add salt and pepper noise.

Parameters

[in]	image	image to add salt and pepper noise to
[in]	p	probability of salt or pepper
[out]	noisy_image	noisy image

template<typename T >

template void Transformation::applyTranslation< int >	(	const cv::Mat &	image,
		int	crop,
		int	translation_x,
		int	translation_y,
		cv::Mat &	translated_image
	)

static

Apply translation.

Parameters

[in]	image	image to translate
[in]	crop	crop image before translating
[in]	translation_x	translation in x direction
[in]	translation_y	translation in y direction
[out]	translated_image	translated image

template<typename T >

template void Transformation::applyVerticalShear< int >	(	const cv::Mat &	image,
		int	crop,
		float	shear,
		cv::Mat &	sheared_image
	)

static

Apply vertical shear.

Parameters

[in]	image	image to apply shear to
[in]	crop	crop image before shearing
[in]	shear	shear parameter
[out]	sheared_image	sheared image

The documentation for this class was generated from the following files:

lib_eval/transformation.h
lib_eval/transformation.cpp

Static Public Member Functions

Detailed Description

Member Function Documentation