The negative image is used for the receipt of good practice.

to find the transform of images using log transform, negative transformation technique and power transformation-to find the transform of images using log transform, negative transformation technique and power transformation..

电磁场中正点电荷和负点电荷的电磁场的运行程序，能够运行出正确的图像结果-Electromagnetic field point charge and a negative point charge electromagnetic field to run the program, capable of running the correct image results