Category: Learn OpenCV

Mouse Events in OpenCV

In this article, we’ll be discussing the mouse events in OpenCV. Mouse events in image processing are the events that occur when the mouse interacts with the user interface. There...

Affine Transformation in OpenCV

In this article, we’ll be understanding the Affine transformations in OpenCV. Affine transformation in OpenCV is defined as the transformation which preserves collinearity, conserves the ratio of the distance between...

Histogram Equalization in OpenCV

In this article, we’ll understand the Histogram equalization technique in OpenCV. An image histogram is the global description of the aspects of the image. The image histogram provides high quality...

Blob Detection using OpenCV

In this article, we’ll understand what is a blob in image processing and how we can perform blob detection using the OpenCV functions. In image processing and computer vision applications,...

Contour Detection in OpenCV

In this article, we’ll be understanding what are contours in OpenCV and learn about contour detection. Contours in OpenCV are the line that joins all the points having the same...

Dilation and Erosion in OpenCV

In this article, we’ll thoroughly understand the dilation and erosion morphological operations in OpenCV. But before we start, let us see what are these operations. Morphological operations in OpenCV Erosion...

Morphological Operations in OpenCV

In this article, we’ll thoroughly understand Opening, closing, morphological gradient and top hat (also known as white hat), and black hat operations that come under morphological operations. Morphological operations are a...

OpenCV Hough Line Transform

In this article, we’ll be covering the Hough Line Transform in OpenCV. The Hough Transform is a method used in image processing tasks to locate any shape in an image...

Canny Edge Detection using OpenCV

In this article, we’ll be understanding the canny edge detection algorithm in OpenCV. But firstly, let us see what is edge detection. Let’s start!! What is Edge Detection? Edge detection...