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OpenCV

Load Image from Specified File using OpenCV

Load Image from Specified File using OpenCV

  • May 15, 2022
  • OpenCV
  • 0 Comments
  • 67 Views
While working with image processing, one of the first steps is load an image from a file. OpenCV provides imread function that enables to load an image from a file....
Apply Gamma Correction to an Image using OpenCV

Apply Gamma Correction to an Image using OpenCV

  • July 24, 2021
  • OpenCV
  • 0 Comments
  • 8366 Views
Images can look either too light or too dark. Gamma correction is a method that allows to control the brightness of an image. The formula used to get gamma corrected...
Apply Histogram Equalization to an Image using OpenCV

Apply Histogram Equalization to an Image using OpenCV

  • July 12, 2021
  • OpenCV
  • 0 Comments
  • 975 Views
Histogram equalization is a method in image processing that allows to adjust the contrast of an image using histogram. Histogram equalization transforms pixel intensity values so that the histogram of...
Convert Image from RGB to HSV Color Space using OpenCV

Convert Image from RGB to HSV Color Space using OpenCV

  • July 11, 2021 (January 16, 2022)
  • OpenCV
  • 0 Comments
  • 6204 Views
HSV is a color space that has three components: hue, saturation and value. When implementing object tracking based on color, images are often converted from RGB to HSV color space....
Save Image to Specified File using OpenCV

Save Image to Specified File using OpenCV

  • July 10, 2021 (January 16, 2022)
  • OpenCV
  • 0 Comments
  • 506 Views
While working with image processing, we might need to save intermediate image or final resulting image to a specified file. OpenCV provides imwrite function that allows to save an image...
YOLOv4 Object Detection using OpenCV

YOLOv4 Object Detection using OpenCV

  • July 5, 2021
  • OpenCV
  • 0 Comments
  • 7076 Views
YOLO (You Only Look Once) is an object detection algorithm that allows to detect objects in an images in near real-time. YOLOv4 is 4th version of YOLO which introduced in...
Bilateral Filtering of the Image using OpenCV

Bilateral Filtering of the Image using OpenCV

  • June 19, 2021 (January 16, 2022)
  • OpenCV
  • 0 Comments
  • 810 Views
There are many algorithms to reduce noise in an image. A bilateral filter is often used for noise reduction while preserving edges in an image. This filter calculates a weighted...
Median Filtering of the Image using OpenCV

Median Filtering of the Image using OpenCV

  • June 18, 2021 (January 16, 2022)
  • OpenCV
  • 0 Comments
  • 2314 Views
There are various algorithms that allows to reduce noise in an image. One of them is median filter. This filter calculates the median of all the pixels in the kernel...
Image Thresholding Based on Otsu’s Method using OpenCV

Image Thresholding Based on Otsu’s Method using OpenCV

  • May 19, 2021 (January 16, 2022)
  • OpenCV
  • 0 Comments
  • 2346 Views
Image thresholding is a technique that allows to perform image binarization based on pixel values. Usually, if the pixel value is greater than a threshold, it is set to a...
Capture RTSP Stream from IP Camera using OpenCV

Capture RTSP Stream from IP Camera using OpenCV

  • May 16, 2021 (July 10, 2021)
  • OpenCV
  • 0 Comments
  • 14407 Views
Most of the IP cameras supports Real Time Streaming Protocol (RTSP) to control audio and video streaming. This tutorial provides example how to capture RTSP stream from IP camera using...
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