了解图象的存储格式，从.bmp图象格式中读取图象数据并显示，彩色图象转灰度图，反色，图象加噪，运用模板操作降低图象噪声-understanding of the storage format images from. Bmp image format image data and read, Color images to gray level, and anti-color, image noise increases, the use of templates to reduce opera