BLENDER
https://docs.blender.org/api/dev/index.html
OPENGL
https://learnopengl.com/PBR/Lighting
https://stackoverflow.com/questions/12239876/fastest-way-of-converting-a-quad-to-a-triangle-strip
https://medium.com/shader-coding-in-unity-from-a-to-z/understanding-mesh-anatomy-in-unity-2507cb1ae011
https://www.geeks3d.com/20130905/exploring-glsl-normal-visualizer-with-geometry-shaders-shader-library/#vertex_normal_viz
https://www.slideshare.net/dongminpark71/ndc19-pbr-143928930
https://blog.naver.com/ateliersera/221106565825
https://lifeisforu.tistory.com/366?category=567143
https://www.shadertoy.com/view/4sSfzK
https://thebookofshaders.com/03/?lan=kr
https://blog.naver.com/ounols/221530656319
https://blog.naver.com/edgerider/220517509315
https://niklasjang.tistory.com/43
https://stackoverflow.com/questions/11794277/glsl-shader-for-glossy-specular-reflections-on-an-cubemapped-surface
https://www.geeks3d.com/hacklab/20180514/demo-wireframe-shader-opengl-3-2-and-opengl-es-3-1/
https://heinleinsgame.tistory.com/category/OpenGL?page=2
RASPBERRY PI
https://www.raspberrypi.org/documentation/accessories/camera.html
http://viilaamo.com/raspicamerapages/raspicammaze.html
SIGNAL PROCESSING
https://medium.com/@celinachild/kalman-filter-%EC%86%8C%EA%B0%9C-395c2016b4d6
https://m.blog.naver.com/PostView.naver?isHttpsRedirect=true&blogId=lovehoily11&logNo=220792635618 (kalman filter)
NETWORK
https://sunyzero.tistory.com/198
https://jacking75.github.io/network_c_make_http_server/
https://hello-cruiser.tistory.com/entry/C-TCP-%EA%B8%B0%EB%B0%98%EC%9C%BC%EB%A1%9C-%EA%B0%84%EB%8B%A8%ED%95%9C-HTTP-%EC%84%9C%EB%B2%84-%EC%9E%91%EC%84%B1%ED%95%98%EA%B8%B0
https://nroses-taek.tistory.com/87?category=744219
https://webnautes.tistory.com/1381
https://jhnyang.tistory.com/251
MACHINE VISION
https://stackoverflow.com/questions/76134/how-do-i-reverse-project-2d-points-into-3d
https://darkpgmr.tistory.com/82?category=460965