The traditional matching algorithms based on gray relating have neither scale invariability nor rotational invariability.In this paper, a novel algorithm based on local maximum entropy was introduced.

• 摘要传统的基于灰度的匹配算法抗噪声能力和抗局部几何变形能力较差，通过图像熵变换，提出了一种新颖的基于局部最大熵的特征匹配算法；