Draw Polygons On An Image using OpenCV Python

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, . the function...
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Draw Ellipse on NumPy array and Image Using OpenCV Python

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...
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Draw Line, Print Text On An Image using OpenCV Python

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...
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Draw Circle, Print Text On An Image | OpenCV Tutorial

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. ....
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Draw Rectangle, Print Text on an image | OpenCV Tutorial

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,...
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Print Text On Image Using Python OpenCV | OpenCV Tutorial

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...
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Create Video from Images or NumPy Array using Python OpenCV | OpenCV Tutorial

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 =...
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save image cv2.imwrite()

Explained Cv2.Imwrite() Function In Detail | Save Image

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 =...
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cv2.imshow()

Explained cv2.imshow() function in Detail | Show image

OpenCV library has powerful function named as cv2.imshow(). Which shows the NumPy array in the form of an Image. cv2.imshow() function takes any size of NumPy array and shows the image in the same size in the window. If the image resolution is more than a system screen resolution then it shows only those pixel which fits in the screen. Ex: Image resolution is (2000,1000) (widht, height) and...
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read-image-using-opencv-python

Read Image using OpenCV in Python | OpenCV Tutorial | Computer Vision

Reading image is first step to perform any operation on raw image in OpenCV and Computer Vision. Now we are going to learn How to read image in OpenCV using cv2.imread() function in detail. Read Image using OpenCV Python Syntax: cv2.imread(path, flag) flag: default value is cv2.IMREAD_COLOR Parameters: cv2.IMREAD_COLOR or 1: reads the image with RGB colors cv2.IMREAD_GRAYSCALE or 0: reads the...
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