Computer Vision

Table of Contents

Data Fitting
AR Tag Decoding
Histogram Equalization
K-means
Image Stiching
Car Lane Detection
Stereo Depth Iamge

Data Fitting 

Data fitting with Least Square, Total Least Square, and RANSAC

Least Square

../_images/data_fitting_ls.png

Total Least Square

../_images/data_fitting_tls.png

RANSAC

../_images/data_fitting_ransac.png

AR Tag Decoding 

Original image

../_images/ar_tag_decode_1.jpg

Threshold

../_images/ar_tag_decode_2.jpg

Canny edge finding

../_images/ar_tag_decode_3.jpg

Shi-Tomasi Corner Detector

../_images/ar_tag_decode_4.jpg

Find vertics

../_images/ar_tag_decode_5.jpg

Find AR tag corners

../_images/ar_tag_decode_6.jpg

Homography transform to straight pose

../_images/ar_tag_decode_9.jpg

Transform to array and decode tag

../_images/ar_tag_decode_10.png

Histogram Equalization 

Original image

../_images/histogram_before.jpg

After historgram equalization

../_images/histogram_after.jpg

K-means 

Original image

../_images/kmeans_before.png

K-means after 50 iterations

../_images/kmeans_after.jpg

Image Stiching 

Image A

../_images/image_stitching_A.png

Image B

../_images/image_stictching_B.png

Stitched image

../_images/image_stitching_stitched_image.jpg

Matching points

../_images/image_stitching_match_points.jpg

Car Lane Detection 

../_images/car_lane_detection.gif

Stereo Depth Iamge 

Stereo image left

../_images/stereo_image_left.png

Stereo image right

../_images/stereo_image_right.png

Epipolar line after rectification

../_images/stereo_epipolar_line.png

Disparity image

../_images/stereo_disparity_image.png

Disparity heatmap

../_images/stereo_disparity_heatmap.png

Depth image

../_images/stereo_depth_image.png

Depth heatmap

../_images/stereo_depth_heatmap.png