进一步强化网站建设,顺德网站建设信息,购物商城网站的制作,福州市城乡建设局目录
效果
灰度图
黑白色反转
彩色反转
项目
代码
下载 效果
灰度图 黑白色反转 彩色反转 项目 代码
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Te…目录
效果
灰度图
黑白色反转
彩色反转
项目
代码
下载 效果
灰度图 黑白色反转 彩色反转 项目 代码
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using OpenCvSharp;
using OpenCvSharp.Extensions;namespace OpenCvSharp_颜色反转
{public partial class Form1 : Form{public Form1(){InitializeComponent();}private string fileFilter *.*|*.bmp;*.jpg;*.jpeg;*.tiff;*.tiff;*.png;Bitmap bmp;String imgPath ;private void button2_Click(object sender, EventArgs e){OpenFileDialog ofd new OpenFileDialog();ofd.Filter fileFilter;if (ofd.ShowDialog() ! DialogResult.OK) return;imgPath ofd.FileName;bmp new Bitmap(imgPath);pictureBox1.Image bmp;}private void button1_Click(object sender, EventArgs e){if (imgPath ){return;}Mat mat new Mat(imgPath);Cv2.CvtColor(mat, mat, ColorConversionCodes.BGR2GRAY);Mat dst new Mat(mat.Height, mat.Width, mat.Type(), Scalar.White);byte grayPixel 0;for (int r 0; r dst.Rows; r){for (int c 0; c dst.Cols; c){grayPixel mat.Atbyte(r, c);dst.Setbyte(r, c, (byte)(255 - grayPixel));}}if (pictureBox2.Image ! null){pictureBox2.Image.Dispose();}pictureBox2.Image BitmapConverter.ToBitmap(dst);}private void button4_Click(object sender, EventArgs e){if (imgPath ){return;}Mat mat new Mat(imgPath);Cv2.CvtColor(mat, mat, ColorConversionCodes.BGR2GRAY);if (pictureBox2.Image ! null){pictureBox2.Image.Dispose();}pictureBox2.Image BitmapConverter.ToBitmap(mat);}private void button3_Click(object sender, EventArgs e){if (imgPath ){return;}Mat mat new Mat(imgPath);Mat dst new Mat(mat.Height, mat.Width, mat.Type(), Scalar.White);Vec3b vec3B;for (int r 0; r dst.Rows; r){for (int c 0; c dst.Cols; c){vec3B mat.AtVec3b(r, c);vec3B.Item0 (byte)(255 - vec3B.Item0);vec3B.Item1 (byte)(255 - vec3B.Item1);vec3B.Item2 (byte)(255 - vec3B.Item2);dst.SetVec3b(r, c, vec3B);}}if (pictureBox2.Image ! null){pictureBox2.Image.Dispose();}pictureBox2.Image BitmapConverter.ToBitmap(dst);}}
}下载
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