private void 高斯低通滤波360ToolStripMenuItem_Click(object sender, EventArgs e)
{
checkPictureBox1();
if (!valid)
{
return;
}
Bitmap bit = new Bitmap(pictureBox1.Image);
bit = scale2SquareSize(bit);
pictureBox2.Refresh();
pictureBox2.Image = GraphicClass.ifft2d(GraphicClass.gaussianLowpassFilter(bit, 360.0), bit.Width, bit.Height, true);
}