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cameramodel's Introduction

CameraModel

Here is two camera models commonly used in SLAM/VO, it consists of MEI and Pinhole. It can rectify image or points, lift from pixel to unit plane and project from world to pixel. It gives both implementation based on OpenCV and no-OpenCV, so that we can explore all of the algorithm.

More details see blog

Before After

1. Dependencies

It's tested in Ubuntu 16.04

1.1 OpenCV

OpenCV 3.2.0 is used in the code.

1.2 Eigen

​ we use Eigen 3.2.29.

1.3 GLOG

​ This is used to record log in log folder.

sudo apt-get install libgoogle-glog-dev

2. Build

​ After clone, run:

mkdir build
cd build
cmake ..
make

3. Usage

The calibration files are stored in calib folder, and the format of yaml can refer to the examples. The images are stored in data folder.

3.1 Run test

​ We can test the code using commands:

./bin/test ./calib/cam0_tumvio_mei.yaml ./data/1.png

3.2 Output

​ After finish running, corrected image will be put to data folder, and name format is:

original name + _ undist _ + model(pinhole or mei) + original extension

​ Examples:

hello.jpg ==> hello_undist_mei.jpg

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