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OpenCV

I'm sharing this repository for free with the codes. I've written for OpenCV. I will update it regularly!

The main picture we used:

This photo is from 1970 of the Hacibaba Tea Garden and the old Üsküdar-Besiktas marine engines

Basic Operations

load_image

gray_image

create_image

pixel_read_write

merging_two_images

Performance Criteria

image_pixel_value_statistics

image_pixel_normalization

Video Reading and Writing

video_read_and_write

Image Flip

image_flip

Drawing Geometric Shapes on Images

draw_geometry

Thresholding

basic_thresholding

Video Reading, Writing and Processing

video_read_write_and_process

Changing the Color Space

changing_colorspace

Geometric Transformations

geometric

Region of Interest

roi

Creating a Histogram

histogram

Histogram equalization

histogram_equal

Histogram Comparison

hist_comp

Gauss Blur

bileteral_blur

Edge-Preserving Filtering Algorithm

edge_filtering

Sobel Filter

sobel

Canny Edge Detection

canny

Otsu Thresholding

otsu_thresholding

Image Contours

image_contours

Hoffman Line Detection

hoffman_line_detection

Hoffman Probabilistic Line Detection

prob_hoffman

Hoffman Circle Detection

hoffman_circle_detection

Background Extraction

video_background

Removing Background from Moving Objects

roi_extraction

KLT-Based Optical Flow

dense_optical_flow

Grabcut: Image Segmentation

grabcut_image_segmentation

Grabcut: Changing the Background

grabcut_background_change

Adding Noise to the Image

image_noise

Image Sharpening

image_sharpening

Harris Corner Detection Method

corner_detection_harris

Shi-Tomas Corner Detection Method

corner_detection_shi_thomas

Subpixel Corner Detection Method

corner_detection_sub_pixel

Pedestrian Detection with HOG

hog

Object Detection with Template Matching

template_matching

QR Code Detection

qrcode_detection

Image Classification with DNN

image_classification_dnn

Caffe framework models: bvlc_googlenet.caffemodel

Object Recognition with DNN and SSD Methods

dnn_single_image

Real-Time Object Recognition with DNN and SSD Methods

real_time_detection

Facial Recognition Based on Deep Neural Networks

video_face_detection