Gireesha Devara has Published 249 Articles

Removing Black Background and Make Transparent using OpenCV Python

Gireesha Devara

Gireesha Devara

Updated on 30-May-2023 16:25:57

2K+ Views

In digital images, Transparency is the functionality that supports transparent areas in an image or image layer. For image processing/image editing, background removing is allowing us to highlight the subject of the photo and create a transparent background to place the subject into various new designs and destinations. Certain image ... Read More

Draw a rectangular shape and extract objects using Python's OpenCV

Gireesha Devara

Gireesha Devara

Updated on 30-May-2023 16:21:35

561 Views

OpenCV is an Open Source Computer Vision Library in python. It provides numerous functions to perform various Image and video processing operations. The library uses the Numpy module to represent all the video frames and images as a ndarray type. It needs the numpy library, we need to make sure ... Read More

Display date and time in videos using OpenCV Python

Gireesha Devara

Gireesha Devara

Updated on 30-May-2023 16:10:44

676 Views

OpenCV is an Open Source Computer Vision Library in python. It provides numerous functions to perform various Image and video processing operations. The library uses the python Numpy module to represent all the video or image arrays as a ndarray type. It needs the numpy library, we need to make ... Read More

Click response on video output using Events in OpenCV and Python

Gireesha Devara

Gireesha Devara

Updated on 30-May-2023 16:06:44

211 Views

OpenCV is an Open Source Computer Vision Library in python. It provides numerous functions to perform various Image or video processing operations. The library uses the python Numpy module to represent all the video or image arrays as a ndarray type. In this article, we will see click responses ... Read More

Check if the camera is opened or not using OpenCV Python

Gireesha Devara

Gireesha Devara

Updated on 30-May-2023 16:04:12

891 Views

OpenCV is an Open Source Computer Vision Library in python. It provides numerous functions to perform various Image or video processing operations. The library uses the python Numpy module to represent all the video or image arrays as a ndarray type. OpenCV-python needs the numpy library, we need to ... Read More

Dividing Images Into Equal Parts Using OpenCV Python

Gireesha Devara

Gireesha Devara

Updated on 30-May-2023 16:01:14

4K+ Views

The Python OpenCV library enables us to utilize a variety of image-processing tools, like image classification, face/object detection, tracking, and more. In this article, we will use python list slicing or numpy array slicing techniques to divide an image into equal parts, since OpenCV-python uses the Numpy array to ... Read More

White and black dot detection using OpenCV Python

Gireesha Devara

Gireesha Devara

Updated on 30-May-2023 15:58:07

2K+ Views

OpenCV python is one of the image processing libraries in python and it uses the Numpy array to store the image data so that all the image arrays are represented as a ndarray type. The cv2.findContours() method in the python OpenCV module is used for detecting the objects in a ... Read More

Rotate image without cutting off sides using OpenCV Python

Gireesha Devara

Gireesha Devara

Updated on 30-May-2023 15:55:23

929 Views

Rotating an image is the most basic operation in image editing. The python OpenCV library provides the methods cv2.getRotationMatrix2D(), cv2.rotate() to do this task very easily. The cv2.rotate() will rotate the image in 0 or 90 or 180 or 270 angles only where as Cv2.getRotationMatrix2D() will rotate the image ... Read More

Check if the image is empty using OpenCV Python

Gireesha Devara

Gireesha Devara

Updated on 30-May-2023 15:48:46

1K+ Views

OpenCV is an Open Source Computer Vision Library in python. It is one of the image processing libraries in python and it uses the python Numpy library so that all the image arrays are represented as a ndarray type. OpenCV-python needs the numpy library, we need to make sure that ... Read More

Splitting and Merging Channels with OpenCV Python

Gireesha Devara

Gireesha Devara

Updated on 30-May-2023 15:44:09

2K+ Views

A standard digital Color image is represented by pixels and each pixel is a combination of primary colors. And a channel is a grayscale image that is made up of only one of its primary colors of a colored image. For example, an RGB image has three channels: red, green, ... Read More

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