idl使用界面编辑实现界面的简单可视化，包括打开（JPEG、Bmp、tiff等格式）、保存、退出、KL、图像增强（罗伯特、索伯尔变换）、边缘提取、直方图均衡化、对比度增强、波段运算等功能-IDL interface editing interface simple visualization, including open format (JPEG, BMP, tiff, etc.), save and exit, KL, image enhancement (Robert, Sobel transform, edge detection, histogram equalization, contrast enhancement, band operation function