In the domain of surveying and mapping , users present rigorous requirements for the image quality. But there are noises in the image data, so lossy compression is feasible.

• 在测绘遥感领域, 对图像的像质要求较为严格, 但即便如此, 遥感图像数据中仍然含有噪声, 从而有损压缩是可行的。