四叉树 meaning in Chinese

quadtree
quaternary tree

Wavelet video coding ; embedded coding ; quadtree coding
小波视频编码嵌入式编码四叉树编码
A quadtree method for fractal image coding
分形图像编码的四叉树方法
Secure multimedia encoding schemes based on quadtree structure
基于四叉树的多媒体安全编码方案
Compression coding for multi - gray image based on quadtree
基于四叉树的多灰度级图像压缩编码方法研究
Real - time generation of dynamic terrain based on adaptive quadtree
基于自适应四叉树的实时动态地形生成

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