v2.2.3

主要更新：提高光线昏暗环境下捕捉性能；增加绿幕模式

• Use CLAHE algorithm in the preprocessing stage to improve the contrast
• Add green screen mode
• Fix typos in the documentation

• 在图像预处理阶段使用限制对比度自适应直方图均衡算法（CLAHE）增强对比度
• 增加绿幕模式
• 修正文档拼写错误

v2.2.2

主要更新：解决python2/python3共存环境下的兼容性问题

• Add shebang line for the Python3 script
• Update README
• Update formulas display

v2.2.1

• Optimize program structure
• Update README documentation
• Add MIT license

v2.2

First stable realease with several optimizations

• Add kalman filter to smooth head motion
• Update blinking function to improve authenticity
• Add mouth length control for Kizuna AI model
• Update visualization in debug mode
• Update README document

v2.1

Change the material shader to Unlite-Texture