Category: OpenCV Project

In Python OpenCV Tutorial, Explained How to Conver Color or Gray Image into Blue Green Red image using OpenCV Python. Get the answers of below questions: How do I change the color of an image in OpenCV?How to extract red, green, blue color from an image in pythonGreen channel extraction in image processing pythonWhat are channels in OpenCV?How do I merge an image in OpenCV? Code(Jupyter...

In Python OpenCV Tutorial, Explained How to split and merge image using numpy indexing and python OpenCV cv2.split()  & cv2.merge() function? Syntax: cv2.split(m ) -> mv Parameters: . @overload . @param m input multi-channel array. . @param mv output vector of arrays; the arrays themselves are reallocated, if needed. Syntax: cv2.merge(mv ) -> dst Parameters: . @param mv input vector of...

In Python OpenCV Tutorial, Explained How to put text and Polylines over the image using python OpenCV cv2.polylines() function? Syntax: cv2.polylines(img, pts, isClosed, color ]])Return: Image with Polygon Parameters: . @param img Image. . @param pts Array of polygonal curves. . @param isClosed Flag indicating whether the drawn polylines are closed or not. If they are closed, ....

In Python OpenCV Tutorial, Explained How to put text and Ellipse over the image using python OpenCV cv2.ellipse() function? Syntax: cv2. ellipse(img, center, axes, angle, startAngle, endAngle, color ]])Return : Image with ellipse Parameters: . @param img Image. . @param center Center of the ellipse. . @param axes Half of the size of the ellipse main axes. . @param angle Ellipse rotation...

In Python OpenCV Tutorial, Explained How to put text and Line over the image using python OpenCV cv2.line() function? Syntax: cv2.line(img, pt1, pt2, color ]]) Parameters: . @param img Image. . @param pt1 First point of the line segment. . @param pt2 Second point of the line segment. . @param color Line color. . @param thickness Line thickness. . @param lineType Type of the line. See...

In Python OpenCV Tutorial, Explained How to put text and Circle over the image using python OpenCV? Syntax: cv2.circle(img, center, radius, color ]]) . The function cv::circle draws a simple or filled circle with a given center and radius. . @param img Image where the circle is drawn. . @param center Center of the circle. . @param radius Radius of the circle. . @param color Circle color. ....

In Python OpenCV Tutorial, Explained How to put text and rectangle over the image using python OpenCV? Draw Rectangle on Image # Video: import cv2 import numpy as np img_path = r"C:\Users\kashz\AI Life\AI Projects - IAIP, PTs (Web + Channel)\02 OpenCV\000 opencv tutorial\data\images\adult-beard-blur-842567.jpg" image = cv2.imread(img_path) image = cv2.resize(image, (1280, 720)) pt1 = (400,...

In this tutorial, we are going to share code that prints any text on an image with a different style using the Python OpenCV library using the cv2.putText() function. Syntax: cv2.putText(image, text, org, font, fontScale, color ]]) How to write Text on Image? import cv2 import numpy as np img_path = r"C:\Users\kashz\AI Life\AI Projects - IAIP, PTs (Web + Channel)\02 OpenCV\000 opencv...

In this Python OpenCV Tutorial, explain how to create a video using NumPy array and images. Video From NumPy Array import numpy as np import cv2 import os width = 1280 hieght = 720 channel = 3 fps = 30 sec = 5 # Syntax: VideoWriter_fourcc(c1, c2, c3, c4) # Concatenates 4 chars to a fourcc code # cv2.VideoWriter_fourcc('M','J','P','G') or cv2.VideoWriter_fourcc(*'MJPG) fourcc =...

OpenCV library has powerful function named as cv2.imwrite(). Which saves the NumPy array in the form of an Image. cv2.imwrite() function takes any size of NumPy array and saves it as an image in JPEG or PNG file format. How to save image or NumPy array as image Save Numpy Array #For detail Explanation watch prime video: video link >>> import cv2 import numpy as np import os rand_array =...