图像处理 (imgproc 模块)


In this section you will learn about the image processing (manipulation) functions inside OpenCV.

  • Basic Drawing

    语言: C++, Java, Python

    兼容性: > OpenCV 2.0

    作者: Ana Huamán

    We will learn how to draw simple geometry with OpenCV!

  • Random generator and text with OpenCV

    兼容性: > OpenCV 2.0

    作者: Ana Huamán

    We will draw some fancy-looking stuff using OpenCV!

  • Smoothing Images

    语言: C++, Java, Python

    兼容性: > OpenCV 2.0

    作者: Ana Huamán

    Let's take a look at some basic linear filters!

  • Eroding and Dilating

    语言: C++, Java, Python

    兼容性: > OpenCV 2.0

    Author: Ana Huamán

    Let's change the shape of objects!

  • More Morphology Transformations

    语言: C++, Java, Python

    兼容性: > OpenCV 2.0

    作者: Ana Huamán

    Here we investigate different morphology operators

  • Hit-or-Miss

    语言: C++, Java, Python

    兼容性: > OpenCV 2.4

    作者: Lorena García

    Learn how to find patterns in binary images using the Hit-or-Miss operation

  • Extract horizontal and vertical lines by using morphological operations

    语言: C++, Java, Python

    兼容性: > OpenCV 2.0

    作者: Theodore Tsesmelis

    Here we will show how we can use different morphological operators to extract horizontal and vertical lines

  • Image Pyramids

    语言: C++, Java, Python

    兼容性: > OpenCV 2.0

    作者: Ana Huamán

    What if I need a bigger/smaller image?

  • Basic Thresholding Operations

    语言: C++, Java, Python

    兼容性: > OpenCV 2.0

    作者: Ana Huamán

    After so much processing, it is time to decide which pixels stay

  • Thresholding Operations using inRange

    语言: C++, Java, Python

    兼容性: > OpenCV 2.0

    作者: Rishiraj Surti

    Thresholding operations using inRange function.

  • Making your own linear filters!

    语言: C++, Java, Python

    兼容性: > OpenCV 2.0

    作者: Ana Huamán

    Where we learn to design our own filters by using OpenCV functions

  • Adding borders to your images

    语言: C++, Java, Python

    兼容性: > OpenCV 2.0

    作者: Ana Huamán

    Where we learn how to pad our images

  • Sobel Derivatives

    语言: C++, Java, Python

    兼容性: > OpenCV 2.0

    作者: Ana Huamán

    Where we learn how to calculate gradients and use them to detect edges

  • Laplace Operator

    语言: C++, Java, Python

    兼容性: > OpenCV 2.0

    作者: Ana Huamán

    Where we learn about the Laplace operator and how to detect edges with it

  • Canny Edge Detector

    语言: C++, Java, Python

    兼容性: > OpenCV 2.0

    作者: Ana Huamán

    Where we learn a sophisticated alternative to detect edges

  • Hough Line Transform

    语言: C++, Java, Python

    兼容性: > OpenCV 2.0

    作者: Ana Huamán

    Where we learn how to detect lines

  • Hough Circle Transform

    语言: C++, Java, Python

    兼容性: > OpenCV 2.0

    作者: Ana Huamán

    Where we learn how to detect circles

  • Remapping

    语言: C++, Java, Python

    兼容性: > OpenCV 2.0

    作者: Ana Huamán

    Where we learn how to manipulate pixels locations

  • Affine Transformations

    语言: C++, Java, Python

    兼容性: > OpenCV 2.0

    作者: Ana Huamán

    Where we learn how to rotate, translate and scale our images

  • Histogram Equalization

    语言: C++, Java, Python

    兼容性: > OpenCV 2.0

    作者: Ana Huamán

    Where we learn how to improve the contrast in our images

  • 直方图计算

    语言: C++, Java, Python

    兼容性: > OpenCV 2.0

    作者: Ana Huamán

    Where we learn how to create and generate histograms

  • Histogram Comparison

    语言: C++, Java, Python

    兼容性: > OpenCV 2.0

    作者: Ana Huamán

    Where we learn to calculate metrics between histograms

  • Back Projection

    语言: C++, Java, Python

    兼容性: > OpenCV 2.0

    作者: Ana Huamán

    Where we learn how to use histograms to find similar objects in images

  • Template Matching

    语言: C++, Java, Python

    兼容性: > OpenCV 2.0

    作者: Ana Huamán

    Where we learn how to match templates in an image

  • Finding contours in your image

    语言: C++, Java, Python

    兼容性: > OpenCV 2.0

    作者: Ana Huamán

    Where we learn how to find contours of objects in our image

  • Convex Hull

    语言: C++, Java, Python

    兼容性: > OpenCV 2.0

    作者: Ana Huamán

    Where we learn how to get hull contours and draw them

  • Creating Bounding boxes and circles for contours

    语言: C++, Java, Python

    兼容性: > OpenCV 2.0

    作者: Ana Huamán

    Where we learn how to obtain bounding boxes and circles for our contours

  • Creating Bounding rotated boxes and ellipses for contours

    语言: C++, Java, Python

    兼容性: > OpenCV 2.0

    作者: Ana Huamán

    Where we learn how to obtain rotated bounding boxes and ellipses for our contours

  • Image Moments

    语言: C++, Java, Python

    兼容性: > OpenCV 2.0

    作者: Ana Huamán

    Where we learn to calculate the moments of an image

  • Point Polygon Test

    语言: C++, Java, Python

    兼容性: > OpenCV 2.0

    作者: Ana Huamán

    Where we learn how to calculate distances from the image to contours

  • Image Segmentation with Distance Transform and Watershed Algorithm

    语言: C++, Java, Python

    兼容性: > OpenCV 2.0

    作者: Theodore Tsesmelis

    Where we learn to segment objects using Laplacian filtering, the Distance Transformation and the Watershed algorithm.

  • Out-of-focus Deblur Filter

    语言: C++

    兼容性: > OpenCV 2.0

    作者: Karpushin Vladislav

    You will learn how to recover an out-of-focus image by Wiener filter.

  • Motion Deblur Filter

    语言: C++

    兼容性: > OpenCV 2.0

    作者: Karpushin Vladislav

    You will learn how to recover an image with motion blur distortion using a Wiener filter.

  • Anisotropic image segmentation by a gradient structure tensor

    语言: C++

    兼容性: > OpenCV 2.0

    作者: Karpushin Vladislav

    You will learn how to segment an anisotropic image with a single local orientation by a gradient structure tensor.

  • Periodic Noise Removing Filter

    语言: C++

    兼容性: > OpenCV 2.0

    作者: Karpushin Vladislav

    You will learn how to remove periodic noise in the Fourier domain.