基于局部最大熵的辐射校正方法

介绍了２种有较强针对性的图象辐射校正方法。通过引入局部最大熵约束，及对最大熵恢复公式的简化，导出了一种简便易行的图象辐射校正方法。该方法无须知道图象的成象模型和转移函数，从图象的局部统计特性出发，通过少量的运算，即可实现对辐射失真图象的恢复。因而具有较普遍的适用性。该方法已经硬化并在实际运用中取得了较好的效果。

Radiation Correction Methods Based on Local Maximum Entropy

Firstly, we have briefly introduced the degenerate models and the restore methods of in image processing. Secondly, we have given two image radiation correction methods. We have proposed an effectively and directly image radiation correcton method in which is subject to local maximum entropy and simplify maximum entropy restored formula. With local statistic property in image, we can correct some images in radiation distortion, and have an small computing cost. Because this method need not that user know image degenerate model while user use this method, this method is of a widespread application. Our method have applied to real satellite image correction in hardware.