private void 直方图均衡化ToolStripMenuItem_Click(object sender, EventArgs e) { checkPictureBox1(); if (!valid) { return; } Bitmap original = new Bitmap(pictureBox1.Image); pictureBox3.Image = GraphicClass.drawHistogram(original); Bitmap result = GraphicClass.histogramEqualization(original); pictureBox1.Image = GraphicClass.convertRGB2Gray(original); pictureBox2.Image = result; pictureBox4.Image = GraphicClass.drawHistogram(result); }