Active Lighting for Video Conferencing

@article{Sun2009ActiveLF,
  title={Active Lighting for Video Conferencing},
  author={Mingxuan Sun and Zicheng Liu and Jingyu Qiu and Zhengyou Zhang and Mike Sinclair},
  journal={IEEE Transactions on Circuits and Systems for Video Technology},
  year={2009},
  volume={19},
  pages={1819-1829}
}
In consumer video conferencing, lighting conditions are usually not ideal thus the image qualities are poor. Lighting affects image quality on two aspects: brightness and skin tone. While there has been much research on improving the brightness of the captured images including contrast enhancement and noise removal (which can be thought of as components for brightness improvement), little attention has been paid to the skin tone aspect. In contrast, it is a common knowledge for professional… CONTINUE READING
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