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原创 C#实现鼠标拖拽区域截图

代码 internal enum SizeGrip { None = 0, Top, Bottom, Left, Right, TopLeft, TopRight, BottomLeft, BottomRight, All } internal class OperateObject { priv

2021-04-23 11:04:33 2341 1

原创 sql删除表中的数据只留100行数据

delete FROM [PCSDB].[dbo].[T_Formula] WHERE ID IN(select ID from [PCSDB].[dbo].[T_Formula] order by ID offset 100 rows)

2020-07-24 10:52:05 2362

public List<Models.get_time_filesModel> get_time_files(int user_id,int type) { string data = JObject.Parse(HttpHelp.getData(HttpHelp.HttpPost(rootPath+"upload/get_time_files", "type="+type+"&user_id=196")))["res"].ToString();.

2020-07-21 19:08:56 1257 1

原创 C# http get 获取数据通用方法

//获取数据模型 public List<myCollectionModel> myCollection(int page, int limit) { try { string url = “服务器母地址”+ "collect/user?page=" + page + "&limit=" + limit; return HttpHelp.HttpGetData

2020-07-20 17:40:40 2197

原创 C#读取Excel表xlsx文档中的数据

//读取EXCEL的方法 (用范围区域读取数据) private List<string[]> ReadExcel(string strFileName) { //载入xlsx文档 Spire.Xls.Workbook workbook = new Spire.Xls.Workbook(); workbook.LoadFromFile(strFileName)

2020-07-20 17:27:15 1059

原创 C#多重条件查询表格数据

/// <summary> /// 查询 /// </summary> /// <param name="sender"></param> /// <param name="e"></param> private void btnQuery_Click(object sender, EventArgs e) { if

2020-07-20 14:22:05 561

原创 C# 生成带二维表头的Excel表

这里用到第三方库Microsoft.Office.Interop.Excel，添加该引用后，鼠标右键该引用查看属性，将嵌入互操作类型true改为fase，电脑上需要下载office2013或者更高版本private void btnliving_Click(object sender, EventArgs e) { DataTabletoExcel1(dt, DateTime.Now.Ticks + ".xlsx");

2020-07-19 22:22:09 741 2

原创 C#对接php接口 Http POST上传文件

/// <summary> /// 上传文件 /// </summary> /// <param name="fileAdress">文件地址</param> /// <returns></returns> public responseObject UploadFile(string fileAdress) { //

2020-05-28 20:12:47 1165

原创 C#对接php接口 Http POST上传数据

/// <summary> /// 数据上传发送 /// </summary> /// <param name="obj">要上传的对象</param> /// <returns></returns> public responseObject UploadString(updownObject obj) { //服

2020-05-28 19:50:28 1005

原创 C#实现Matlab中的fft2函数和fftshift函数

Mat fft2( Mat src) { Mat Fourier = new Mat(); int mat_type = (int)src.Depth; if (mat_type>15) { Debug.Print("报错"); } if (mat_type < 7) { .

2020-05-24 19:24:56 1206

原创 C#实现Matlab中的padarray函数

public Matrix<byte> padarray(Matrix<byte> src, int RowPad, int ColPad) { int n = src.Rows; int m = src.Cols; Mat temp1 = new Mat(n, m + ColPad * 2, DepthType.Cv32F, 1); Matrix<byte>

2020-05-24 19:21:26 263

原创 C#实现图片平移

private void Button2_Click(object sender, EventArgs e) { Image<Gray, byte> src = new Image<Gray, byte>(ImagePath); src = ImagePan(src, 100, -100); pictureBox2.Image = src.Bitmap; } p

2020-05-09 16:26:07 1714

原创 C#实现图片放大缩小

//times需要放大或者缩小的倍数public Bitmap imresize(Bitmap Image, double times) { int width = Image.Width; int height = Image.Height; int IOwidth = (int)Math.Round(wi...

2020-05-03 16:40:25 5885

原创 C# 实现gabor滤波

string ImagePath; private void Button1_Click(object sender, EventArgs e) { OpenFileDialog openfile = new OpenFileDialog(); if (openfile.ShowDialog() ==...

2020-05-03 15:39:26 597 4

原创 C#实现改变图片的像素

/// <summary> /// 改变图片像素 /// </summary> /// <param name="bmp"></param> /// <param name="newW">需要改变的像素宽</param> /// <param...

2020-04-27 12:01:34 2594

原创 C# 三个坐标点实现二次贝塞尔曲线并在曲线上生产出更多的坐标点

/// <summary> /// 计算两点之间的二次贝塞尔曲线点集。 /// </summary> private static IList<Point> CalculateBezierPoints(Point begin, Point handle, Point end) { ...

2020-04-27 11:54:51 1675

原创 matlab实现断开，去除二值化图中的相交线、连接线

bw= bwmorph(im2bw(I),'skel',inf);figure,imshow(bw);title('骨架提取');img=double(bw); img = imgaussfilt(img,.5); zz_out = zeros(size(img)); %%150调节显示多少for ii = -5:.1:150 se = strel('line',20,ii)...

2020-04-27 11:42:59 2303 2

原创 matlab实现断开二值化图中的分支

%%通过去除骨架图中的分支点达到断开分支bw = bwmorph(im2bw(I),'skel',inf);figure,imshow(bw);title('骨架提取');bw2 = bwmorph(bw,'spur');figure,imshow(bw2);title('毛刺去除');bw3 = bwmorph(bw2,'branchpoints');figure,imshow(bw...

2020-04-27 11:33:56 952

原创 matlab实现灰度图转rgb图

%%img为灰度图function rgbimg = gray2rgb(img)[rows,cols]=size(img); r=zeros(rows,cols); g=zeros(rows,cols); b=zeros(rows,cols); r=double(img); g=double(img); b=double(img); rgbimg=cat(3,r,g,b);en...

2020-04-27 10:21:06 15628 3

原创 matlab实现图片锐化处理

function img = Sharpening(src)I = src;% 读取rgb图a=1;% model=[0 -2*a 0;-2*a 1+4*a -2*a;0 -2*a 0];[m,n]=size(I);Ig=I;for i=2:m-1 for j=2:n-1 Ig(i,j)=(1+4*a).*I(i,j)-a.*(I(i+1,j)+I(i-1,j...

2020-04-27 10:17:36 1192

原创 matlab实现调整图片的对比度

%src为rgb图像，Contrast为调节的对比度值，调节范围为【-100，100】function img = ContrastAdjust(src,Contrast)Image=double(src);R=Image(:,:,1);G=Image(:,:,2);B=Image(:,:,3);Average=127;%调整参数[-100,100]Contrast=Co...

2020-04-27 10:12:20 5404

原创 matlab实现调整图片的饱和度

%src为rgb图像，saturation为调节的饱和度值，调节范围为【-100，100】function Image_new = SaturationAdjustment(src,saturation)Image=src;Image=double(Image);R=Image(:,:,1);G=Image(:,:,2);B=Image(:,:,3);[row, col] = siz...

2020-04-27 10:07:54 8483 4

原创 matlab实现调节整图片的亮度

%src为rgb图像，light为调节的亮度值，调节范围为【-255，255】function Image_new = Brightness(src,light)Image=double(src);R=Image(:,:,1);G=Image(:,:,2);B=Image(:,:,3);%%%% 求出原始图像亮度分量I=(R+G+B)/3;%%% 利用原始图像的亮度分量结合R,G,...

2020-04-27 10:00:44 7399 1

原创 C# 获取二值化图的骨架图

private void 灰度归一化_Click(object sender, EventArgs e) { //ImgPath = @"C:\Users\Administrator\Desktop\222.jpg"; Image<Bgr, byte> image1 = new Image<Bgr, byte&g...

2020-04-27 09:33:09 489 2

原创 C# emgu 多个算子边缘检测

private void button6_Click(object sender, EventArgs e) { //简单图像处理 Mat src = CvInvoke.Imread(ImgPath, ImreadModes.Color); CvInvoke.CvtColor(src, src, ColorCo...

2019-11-20 13:13:55 252

原创 C# emgu 计算图像的平均亮度

private void button7_Click(object sender, EventArgs e) { Mat src = CvInvoke.Imread(ImgPath, ImreadModes.Color); CvInvoke.CvtColor(src, src, ColorConversion.Rgb2Gray);...

2019-11-20 13:11:58 1798

原创 WPF ScrollViewer中添加可折叠的内容显示框

for (int i = 0; i < 10; i++) { Expander expander = new Expander(); expander.IsExpanded = true; expander.ExpandDirection = ExpandDirection.Dow...

2019-11-12 13:16:25 612

原创 WPF 鼠标右键弹窗修改删除

TextBlock tbx = new TextBlock(); tbx.MouseRightButtonDown += Tbx_MouseRightButtonDown; private void Tbx_MouseRightButtonDown(object sender, MouseButtonEventArgs e) { TextBlock t...

2019-11-12 13:01:43 636

原创 C# emgu画出图片中的轮廓线

public static Bitmap getContours(string imgPath){ Mat src = new Image<Bgr, byte>((Bitmap)Bitmap.FromFile( imgPath)).Mat; Mat dst = new Mat(); //Canny 边缘检测算子 C...

2019-11-12 12:54:27 927

原创 C#删除文件出现文件被占用的解决办法

在这里插入代码片```public void WipeFile(string filename, int timesToWrite) { try { if (File.Exists(filename)) { //设置文件的属性为正...

2019-10-11 11:26:16 2637 3

原创 C# 读取xml文件中节点和子节点的值

private void ReadXml() { XmlDocument doc = new XmlDocument(); //Resources文件夹下加载xml doc.LoadXml(Properties.Resources.XML文件名); //获得根节点 ...

2019-07-18 18:50:21 8818 2

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