2055bcc807
* Extending template_matching tutorial with Java * adding mask to java version of the tutorial * adding the python toggle and code * updating table of content * adding py and java to table of content * adding mask to python * going back to markdown with duplicated text * non duplicated text
5.0 KiB
Image Processing (imgproc module)
In this section you will learn about the image processing (manipulation) functions inside OpenCV.
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@subpage tutorial_gausian_median_blur_bilateral_filter
Compatibility: > OpenCV 2.0
Author: Ana Huamán
Let's take a look at some basic linear filters!
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@subpage tutorial_erosion_dilatation
Compatibility: > OpenCV 2.0
Author: Ana Huamán
Let's change the shape of objects!
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@subpage tutorial_opening_closing_hats
Compatibility: > OpenCV 2.0
Author: Ana Huamán
Here we investigate different morphology operators
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@subpage tutorial_hitOrMiss
Compatibility: > OpenCV 2.4
Author: Lorena García
Learn how to find patterns in binary images using the Hit-or-Miss operation
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@subpage tutorial_moprh_lines_detection
Compatibility: > OpenCV 2.0
Author: Theodore Tsesmelis
Here we will show how we can use different morphological operators to extract horizontal and vertical lines
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@subpage tutorial_pyramids
Compatibility: > OpenCV 2.0
Author: Ana Huamán
What if I need a bigger/smaller image?
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@subpage tutorial_threshold
Compatibility: > OpenCV 2.0
Author: Ana Huamán
After so much processing, it is time to decide which pixels stay
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@subpage tutorial_threshold_inRange
Compatibility: > OpenCV 2.0
Author: Rishiraj Surti
Thresholding operations using inRange function.
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@subpage tutorial_filter_2d
Compatibility: > OpenCV 2.0
Author: Ana Huamán
Where we learn to design our own filters by using OpenCV functions
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@subpage tutorial_copyMakeBorder
Compatibility: > OpenCV 2.0
Author: Ana Huamán
Where we learn how to pad our images
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@subpage tutorial_sobel_derivatives
Compatibility: > OpenCV 2.0
Author: Ana Huamán
Where we learn how to calculate gradients and use them to detect edges
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@subpage tutorial_laplace_operator
Compatibility: > OpenCV 2.0
Author: Ana Huamán
Where we learn about the Laplace operator and how to detect edges with it
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@subpage tutorial_canny_detector
Compatibility: > OpenCV 2.0
Author: Ana Huamán
Where we learn a sophisticated alternative to detect edges
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@subpage tutorial_hough_lines
Compatibility: > OpenCV 2.0
Author: Ana Huamán
Where we learn how to detect lines
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@subpage tutorial_hough_circle
Compatibility: > OpenCV 2.0
Author: Ana Huamán
Where we learn how to detect circles
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@subpage tutorial_remap
Compatibility: > OpenCV 2.0
Author: Ana Huamán
Where we learn how to manipulate pixels locations
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@subpage tutorial_warp_affine
Compatibility: > OpenCV 2.0
Author: Ana Huamán
Where we learn how to rotate, translate and scale our images
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@subpage tutorial_histogram_equalization
Compatibility: > OpenCV 2.0
Author: Ana Huamán
Where we learn how to improve the contrast in our images
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@subpage tutorial_histogram_calculation
Compatibility: > OpenCV 2.0
Author: Ana Huamán
Where we learn how to create and generate histograms
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@subpage tutorial_histogram_comparison
Compatibility: > OpenCV 2.0
Author: Ana Huamán
Where we learn to calculate metrics between histograms
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@subpage tutorial_back_projection
Compatibility: > OpenCV 2.0
Author: Ana Huamán
Where we learn how to use histograms to find similar objects in images
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@subpage tutorial_template_matching
Languages: C++, Java, Python
Compatibility: > OpenCV 2.0
Author: Ana Huamán
Where we learn how to match templates in an image
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@subpage tutorial_find_contours
Compatibility: > OpenCV 2.0
Author: Ana Huamán
Where we learn how to find contours of objects in our image
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@subpage tutorial_hull
*Compatibility:* \> OpenCV 2.0
*Author:* Ana Huamán
Where we learn how to get hull contours and draw them
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@subpage tutorial_bounding_rects_circles
Compatibility: > OpenCV 2.0
Author: Ana Huamán
Where we learn how to obtain bounding boxes and circles for our contours
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@subpage tutorial_bounding_rotated_ellipses
Compatibility: > OpenCV 2.0
Author: Ana Huamán
Where we learn how to obtain rotated bounding boxes and ellipses for our contours
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@subpage tutorial_moments
Compatibility: > OpenCV 2.0
Author: Ana Huamán
Where we learn to calculate the moments of an image
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@subpage tutorial_point_polygon_test
Compatibility: > OpenCV 2.0
Author: Ana Huamán
Where we learn how to calculate distances from the image to contours
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@subpage tutorial_distance_transform
Compatibility: > OpenCV 2.0
Author: Theodore Tsesmelis
Where we learn to segment objects using Laplacian filtering, the Distance Transformation and the Watershed algorithm.