Opencv border mode. Here’s an example: By setting the mode to BORDER_CONSTANT it will use a constant value for border pixels (i. png') constant= cv2. imread('input. It would look something like: cv::warpAffine(src, dst, r, cv::Size(src. . copyMakeBorder(src, top, bottom, left, right, borderType, value) To add borders to the images OpenCV has a package copyMakeBorder which helps to make a border around the image. It allows for different border types, including constant, reflect, replicate, and more. png',constant) In this tutorial, we will briefly explore two ways of defining the extra padding (border) for an image: BORDER_CONSTANT: Pad the image with a constant value (i. copyMakeBorder(img1,20,20,20,20,cv2. copyMakeBorder() method is used to create a border around the image like a photo frame. In this tutorial, we will briefly explore two ways of defining the extra padding (border) for an image: BORDER_CONSTANT: Pad the image with a constant value (i. In this tutorial, we will briefly explore two ways of defining the extra padding (border) for an image: BORDER_CONSTANT: Pad the image with a constant value (i. Syntax: cv2. Method 1: Using the copyMakeBorder function. imwrite('output. e. black or 0. rows), cv::INTER_LINEAR, OpenCV-Python is a library of Python bindings designed to solve computer vision problems. outside the image), and you can set the value to the constant value you want to use (i. BORDER_CONSTANT; value=color of border; Add border using openCV. import cv2 white = [255,255,255] img1 = cv2. BORDER_CONSTANT,value=white) cv2. BORDER_REPLICATE: The row or column at the very edge of the original is replicated to the extra border. OpenCV’s copyMakeBorder function provides a versatile way to add borders around an image. copyMakeBorder() Parameters of copyMakeBorder: inputImage; topBorderWidth; bottomBorderWidth; leftBorderWidth; rightBorderWidth; cv2. cv2. white). cols, src. A constant border type can add a solid color border around the image. cpgfyivnhimlfuzgidlsvxquuvzhtpppjtvdgbszmccdsfcnjfcqhq