Depther project - part 3: remapping and stereo image
This article shows how to use calculated camera distortions and transformations between them to compensate for distortions with cv2.remap and calculate the d...
All categories of posts
signal-processing
Depther project - part 2: calibrate dual camera, parameters rectification
This article shows how to perform dual camera calibration using cv2.calibrateCamera when we have data collected. Next, we discuss how to calibrate cameras wi...
Depther project - part 1: collect calibration data
This post is an introduction to the task of OpenCV camera calibration and creating a deep image from a stereo vision camera. The first topic is to get the ri...
Object detection task: adapt your own data to a COCO dataset format
Many state-of-the-art algorithms for object detection are trained evaluated on a COCO dataset set. In this article I show you how to adapt your collection to...
edge-devices
Jetson TX2: framerate comparison between YOLOv4 YOLOv4-tiny and YOLOv3-tyny
[UPDATE] How does YOLOv4 work on NVIDIA Jetson TX2? We compare with YOLOv3-tyny and YOLOv4-tiny to choose an effective and fast fast object detection system.
Zephyr: PWM control - simple servo example
Simple introduction to Zephyr PWM control with servo example.
robot-operating-system
How to show the same - Rviz config
Rviz allow to subscribe and show ROS topics. It is the simplest form of visualization messages like OccupancyGrid or LaserScan. Every time when you use ROS a...
Create your own ROS Service in Python
Services allow you to create a request/response paradigm. How to make your own Service in ROS Melodic using Python, create your own Service message type and ...