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