IEnumerable <Mat> PyrDownInternal(
Mat image,
Size minSize,
float scale,
InterpolationFlags filter)
{
var sizes = new List <Size>();
float width = image.Width;
float height = image.Height;
for (; ;)
{
width /= scale;
height /= scale;
if (width < minSize.Width || height < minSize.Height)
{
break;
}
sizes.Add(new Size(width, height));
}
yield return(image);
foreach (var size in sizes.Distinct())
{
yield return(image.Resize(size, 0, 0, filter));
}
}
/// <summary>
/// Applies a generic geometrical transformation to an image.
/// </summary>
/// <param name="src">Source image.</param>
/// <param name="dst">Destination image with the size the same as xmap and the type the same as src .</param>
/// <param name="map1">X values. Only CV_32FC1 type is supported.</param>
/// <param name="map2">Y values. Only CV_32FC1 type is supported.</param>
/// <param name="interpolation">Interpolation method (see resize ). INTER_NEAREST , INTER_LINEAR and
/// INTER_CUBIC are supported for now.</param>
/// <param name="borderMode">Pixel extrapolation method (see borderInterpolate ). BORDER_REFLECT101 ,
/// BORDER_REPLICATE , BORDER_CONSTANT , BORDER_REFLECT and BORDER_WRAP are supported for now.</param>
/// <param name="borderValue">Value used in case of a constant border. By default, it is 0.</param>
/// <param name="stream">Stream for the asynchronous version.</param>
public static void remap(
InputArray src, OutputArray dst, InputArray map1, InputArray map2,
InterpolationFlags interpolation = InterpolationFlags.Linear,
BorderTypes borderMode = BorderTypes.Constant, Scalar?borderValue = null, Stream stream = null)
{
if (src == null)
{
throw new ArgumentNullException(nameof(src));
}
if (dst == null)
{
throw new ArgumentNullException(nameof(dst));
}
if (map1 == null)
{
throw new ArgumentNullException(nameof(map1));
}
if (map2 == null)
{
throw new ArgumentNullException(nameof(map2));
}
src.ThrowIfDisposed();
dst.ThrowIfNotReady();
map1.ThrowIfDisposed();
map2.ThrowIfDisposed();
Scalar borderValue0 = borderValue.GetValueOrDefault(Scalar.All(0));
NativeMethods.cuda_warping_remap(src.CvPtr, dst.CvPtr, map1.CvPtr, map2.CvPtr, (int)interpolation, (int)borderMode
, borderValue0, stream?.CvPtr ?? Stream.Null.CvPtr);
GC.KeepAlive(src);
GC.KeepAlive(dst);
dst.Fix();
GC.KeepAlive(map1);
GC.KeepAlive(map2);
}
private void CboxInterpolation_SelectedIndexChanged(object sender, EventArgs e)
{
switch (cboxInterpolation.SelectedIndex)
{
case 0:
interpolation = InterpolationFlags.Nearest;
break;
case 1:
interpolation = InterpolationFlags.Linear;
break;
case 2:
interpolation = InterpolationFlags.Cubic;
break;
case 3:
interpolation = InterpolationFlags.Area;
break;
case 4:
interpolation = InterpolationFlags.Lanczos4;
break;
case 5:
interpolation = InterpolationFlags.LinearExact;
break;
}
if (image_in != null)
{
PicZoom();
}
}
public override System.Collections.Generic.Queue <Moonfish.Tags.BlamPointer> ReadFields(System.IO.BinaryReader binaryReader)
{
System.Collections.Generic.Queue <Moonfish.Tags.BlamPointer> pointerQueue = new System.Collections.Generic.Queue <Moonfish.Tags.BlamPointer>(base.ReadFields(binaryReader));
this.UpdatesPerSecond = binaryReader.ReadInt16();
this.fieldpad = binaryReader.ReadBytes(2);
this.DeadCellPenalty = binaryReader.ReadSingle();
this.LiveCellBonus = binaryReader.ReadSingle();
this.fieldpad0 = binaryReader.ReadBytes(80);
this.Width = binaryReader.ReadInt16();
this.Height = binaryReader.ReadInt16();
this.CellWidth = binaryReader.ReadSingle();
this.Height0 = binaryReader.ReadSingle();
this.Velocity = binaryReader.ReadVector2();
this.fieldpad1 = binaryReader.ReadBytes(28);
this.Marker = binaryReader.ReadStringID();
this.CellularAutomata2dInterpolationFlags = ((InterpolationFlags)(binaryReader.ReadInt32()));
this.BaseColor = binaryReader.ReadColorR8G8B8();
this.PeakColor = binaryReader.ReadColorR8G8B8();
this.fieldpad2 = binaryReader.ReadBytes(76);
this.Width0 = binaryReader.ReadInt16();
this.Height1 = binaryReader.ReadInt16();
this.CellWidth0 = binaryReader.ReadSingle();
this.Velocity0 = binaryReader.ReadVector2();
this.fieldpad3 = binaryReader.ReadBytes(48);
this.Marker0 = binaryReader.ReadStringID();
this.TextureWidth = binaryReader.ReadInt16();
this.fieldpad4 = binaryReader.ReadBytes(2);
this.fieldpad5 = binaryReader.ReadBytes(48);
this.Texture = binaryReader.ReadTagReference();
this.fieldpad6 = binaryReader.ReadBytes(160);
pointerQueue.Enqueue(binaryReader.ReadBlamPointer(84));
return(pointerQueue);
}
public static void Remap(Mat src, Mat dst, Mat map1, Mat map2, InterpolationFlags interpolation,
BorderTypes borderType = BorderTypes.Constant)
{
var borderValue = new Scalar(0, 0, 0);
Remap(src, dst, map1, map2, interpolation, borderType, borderValue);
}
/// <summary>
/// Applies an affine transformation to an image.
/// </summary>
/// <param name="src">Source image. CV_8U , CV_16U , CV_32S , or CV_32F depth and 1, 3, or 4 channels are
/// supported.</param>
/// <param name="dst">Destination image with the same type as src . The size is dsize .</param>
/// <param name="m">*2x3* transformation matrix.</param>
/// <param name="dsize">Size of the destination image.</param>
/// <param name="flags">Combination of interpolation methods (see resize) and the optional flag
/// WARP_INVERSE_MAP specifying that M is an inverse transformation(dst=\>src ). Only
/// INTER_NEAREST, INTER_LINEAR, and INTER_CUBIC interpolation methods are supported.</param>
/// <param name="borderMode">pixel extrapolation method; when borderMode=BORDER_TRANSPARENT,
/// it means that the pixels in the destination image corresponding to the "outliers"
/// in the source image are not modified by the function.</param>
/// <param name="borderValue">value used in case of a constant border; by default, it is 0.</param>
/// <param name="stream">Stream for the asynchronous version.</param>
public static void warpAffine(
InputArray src, OutputArray dst, InputArray m, Size dsize,
InterpolationFlags flags = InterpolationFlags.Linear,
BorderTypes borderMode = BorderTypes.Constant, Scalar?borderValue = null, Stream stream = null)
{
if (src == null)
{
throw new ArgumentNullException(nameof(src));
}
if (dst == null)
{
throw new ArgumentNullException(nameof(dst));
}
if (m == null)
{
throw new ArgumentNullException(nameof(m));
}
src.ThrowIfDisposed();
dst.ThrowIfDisposed();
m.ThrowIfDisposed();
Scalar borderValue0 = borderValue.GetValueOrDefault(Scalar.All(0));
NativeMethods.cuda_warping_warpAffine(src.CvPtr, dst.CvPtr, m.CvPtr, dsize, (int)flags, (int)borderMode, borderValue0, stream?.CvPtr ?? Stream.Null.CvPtr);
GC.KeepAlive(src);
GC.KeepAlive(dst);
GC.KeepAlive(m);
dst.Fix();
}
public static void Remap(Mat src, Mat dst, Mat map1, Mat map2, InterpolationFlags interpolation, BorderTypes borderType, Scalar borderValue)
{
Exception exception = new Exception();
au_cv_imgproc_remap(src.CppPtr, dst.CppPtr, map1.CppPtr, map2.CppPtr, (int)interpolation, (int)borderType, borderValue.CppPtr,
exception.CppPtr);
exception.Check();
}
public static NDArray ImResize(NDArray src, int w, int h, InterpolationFlags interp = InterpolationFlags.Linear)
{
//Mat mat = new Mat();
//Mat input = src;
//Cv2.Resize(input, input, new Size(w, h), interpolation: interp);
//return input;
return(nd.Cvimresize(src, w, h, (int)interp));
}
public static double ClampSize(this Mat self, double maxsize, InterpolationFlags inter = InterpolationFlags.Nearest)
{
double scaleFactor = CalcScaleFactor(self, maxsize);
if (scaleFactor != 1)
{
Resize(self, scaleFactor, inter);
}
return(scaleFactor);
}
public override System.Collections.Generic.Queue <Moonfish.Tags.BlamPointer> ReadFields(System.IO.BinaryReader binaryReader)
{
System.Collections.Generic.Queue <Moonfish.Tags.BlamPointer> pointerQueue = new System.Collections.Generic.Queue <Moonfish.Tags.BlamPointer>(base.ReadFields(binaryReader));
this.LightFlags = ((Flags)(binaryReader.ReadInt32()));
this.Type = ((TypeEnum)(binaryReader.ReadInt16()));
this.fieldpad = binaryReader.ReadBytes(2);
this.SizeModifer = binaryReader.ReadRange();
this.ShadowQualityBias = binaryReader.ReadSingle();
this.ShadowTapBias = ((ShadowTapBiasEnum)(binaryReader.ReadInt16()));
this.fieldpad0 = binaryReader.ReadBytes(2);
this.Radius = binaryReader.ReadSingle();
this.SpecularRadius = binaryReader.ReadSingle();
this.NearWidth = binaryReader.ReadSingle();
this.HeightStretch = binaryReader.ReadSingle();
this.FieldOfView = binaryReader.ReadSingle();
this.FalloffDistance = binaryReader.ReadSingle();
this.CutoffDistance = binaryReader.ReadSingle();
this.LightInterpolationFlags = ((InterpolationFlags)(binaryReader.ReadInt32()));
this.BloomBounds = binaryReader.ReadRange();
this.SpecularLowerBound = binaryReader.ReadColorR8G8B8();
this.SpecularUpperBound = binaryReader.ReadColorR8G8B8();
this.DiffuseLowerBound = binaryReader.ReadColorR8G8B8();
this.DiffuseUpperBound = binaryReader.ReadColorR8G8B8();
this.BrightnessBounds = binaryReader.ReadRange();
this.GelMap = binaryReader.ReadTagReference();
this.SpecularMask = ((SpecularMaskEnum)(binaryReader.ReadInt16()));
this.fieldpad1 = binaryReader.ReadBytes(2);
this.fieldpad2 = binaryReader.ReadBytes(4);
this.FalloffFunction = ((FalloffFunctionEnum)(binaryReader.ReadInt16()));
this.DiffuseContrast = ((DiffuseContrastEnum)(binaryReader.ReadInt16()));
this.SpecularContrast = ((SpecularContrastEnum)(binaryReader.ReadInt16()));
this.FalloffGeometry = ((FalloffGeometryEnum)(binaryReader.ReadInt16()));
this.LensFlare = binaryReader.ReadTagReference();
this.BoundingRadius = binaryReader.ReadSingle();
this.LightVolume = binaryReader.ReadTagReference();
this.DefaultLightmapSetting = ((DefaultLightmapSettingEnum)(binaryReader.ReadInt16()));
this.fieldpad3 = binaryReader.ReadBytes(2);
this.LightmapHalfLife = binaryReader.ReadSingle();
this.LightmapLightScale = binaryReader.ReadSingle();
this.Duration = binaryReader.ReadSingle();
this.fieldpad4 = binaryReader.ReadBytes(2);
this.LightLightFalloffFunction = ((LightFalloffFunctionEnum)(binaryReader.ReadInt16()));
this.IlluminationFade = ((IlluminationFadeEnum)(binaryReader.ReadInt16()));
this.ShadowFade = ((ShadowFadeEnum)(binaryReader.ReadInt16()));
this.SpecularFade = ((SpecularFadeEnum)(binaryReader.ReadInt16()));
this.fieldpad5 = binaryReader.ReadBytes(2);
this.LightLightFlags0 = ((LightFlags0)(binaryReader.ReadInt32()));
pointerQueue.Enqueue(binaryReader.ReadBlamPointer(8));
pointerQueue.Enqueue(binaryReader.ReadBlamPointer(8));
pointerQueue.Enqueue(binaryReader.ReadBlamPointer(16));
this.Shader = binaryReader.ReadTagReference();
return(pointerQueue);
}
private Mat ExtractFrame(Mat frame_in)
{
Size dsize = new Size(frame_in.Width * 2, frame_in.Height * 2);
double fx = 0, fy = 0;
InterpolationFlags interpolation = InterpolationFlags.Lanczos4;
// InterpolationFlags interpolation = InterpolationFlags.Cubic;
Mat frame_out = frame_in.Resize(dsize, fx, fy, interpolation);
// MemoryStream ms = new MemoryStream(frame_out.ToBytes());
// Image image = System.Drawing.Image.FromStream(ms);
// image.Save(Path.Combine(dir, string.Format("{0:d10}", index) + ".png"));
return(frame_out);
}
public Bitmap main(bool isPictureSmall, Bitmap canvas, float reSizeRate, System.Drawing.Point px0, System.Drawing.Point px1, System.Drawing.Point px2, System.Drawing.Point px3, ref double rate, int FinalPictureWidth, int FinalPictureHeight)
{
Image img = canvas;
imgSizeX = FinalPictureWidth;
imgSizeY = FinalPictureHeight;
int[] x = new int[4];
int[] y = new int[4];
rate = solve_squere_line(isPictureSmall, reSizeRate, px0, px1, px2, px3, ref x, ref y);
px0.X = x[0];
px0.Y = y[0];
px1.X = x[1];
px1.Y = y[1];
px2.X = x[2];
px2.Y = y[2];
px3.X = x[3];
px3.Y = y[3];
// 四角形で切り取って表示
System.Drawing.Point[] p2pt = { px0, px1, px2, px3 };
// p2の四角形を引き伸ばして表示する
Mat src_img = BitmapConverter.ToMat((Bitmap)img);
Mat dst_img = src_img;
// 四角形の変換前と変換後の対応する頂点をそれぞれセットする
Point2f[] src_pt = new Point2f[4];
src_pt[0] = new Point2f(px0.X, px0.Y);
src_pt[1] = new Point2f(px1.X, px1.Y);
src_pt[2] = new Point2f(px2.X, px2.Y);
src_pt[3] = new Point2f(px3.X, px3.Y);
Point2f[] dst_pt = new Point2f[4];
dst_pt[0] = new Point2f(0, 0); //左上
dst_pt[1] = new Point2f(0, imgSizeY); //左下
dst_pt[2] = new Point2f(imgSizeX, imgSizeY); //右下
dst_pt[3] = new Point2f(imgSizeX, 0); //右上
Mat map_matrix = Cv2.GetPerspectiveTransform(src_pt, dst_pt);
// 指定された透視投影変換行列により，cvWarpPerspectiveを用いて画像を変換させる
OpenCvSharp.Size mysize = new OpenCvSharp.Size(imgSizeX, imgSizeY);
InterpolationFlags OIFLiner = InterpolationFlags.Linear;
BorderTypes OBTDefault = BorderTypes.Default;
Cv2.WarpPerspective(src_img, dst_img, map_matrix, mysize, OIFLiner, OBTDefault);
//dst_img.SaveImage("trapezoidal.jpg"); //debug用
return(dst_img.ToBitmap());
}
public static void ShiftImage(float tx = 5, float ty = 5, InterpolationFlags ipf = InterpolationFlags.Linear)
{
Glb.DrawMatAndHist0(Glb.matSrc);
Point2f t = new Point2f(tx, ty);
Point2f[] vSrc = { new Point2f(0, 0), new Point2f(1, 0), new Point2f(0, 1) };
Point2f[] vDst = vSrc.Select(v => v + t).ToArray();
Mat mTrans = Cv2.GetAffineTransform(vSrc, vDst);
Mat mDst = Glb.matSrc.WarpAffine(mTrans, Glb.matSrc.Size(), ipf);
Glb.DrawMatAndHist1(mDst);
mDst.Dispose();
}
//public static void MakeImage(int bw = 1000, int bh = 1000, int seed = 0, int holeSize = 22, int gaussainSize = 31, int distortSize = 20, int imgNum = 256) {
// void DrawCircle(System.Drawing.Graphics g, int x, int y, int r, System.Drawing.Brush br) {
// g.FillEllipse(br, x - r, y - r, r + r, r + r);
// }
// Random rndg = new Random(seed);
// using (System.Drawing.Bitmap bmp = new System.Drawing.Bitmap(bw, bh)) {
// Console.WriteLine($"Make Iamge by code: ({bmp.Width}x{bmp.Height})");
// for (int imgIdx = 0; imgIdx < imgNum; imgIdx++) {
// using (var g = System.Drawing.Graphics.FromImage(bmp)) {
// System.Drawing.Rectangle rect = new System.Drawing.Rectangle(0, 0, bmp.Width, bmp.Height);
// System.Drawing.Brush br = new System.Drawing.SolidBrush(System.Drawing.Color.FromArgb(35, 35, 35));
// g.FillRectangle(br, rect);
// br.Dispose();
// g.FillRectangle(System.Drawing.Brushes.White, 100, 100, 50, 150);
// g.FillRectangle(System.Drawing.Brushes.White, 100, 100, 150, 50);
// Random rnd = new Random(seed);
// for (int i = 0; i < 7; i++) {
// bool xdistort = rndg.Next() % 32 == 0;
// bool ydistort = rndg.Next() % 32 == 0;
// int x;
// int y;
// if (xdistort)
// x = rnd.Next(1, 10) * 100 + rndg.Next(-distortSize, distortSize);
// else
// x = rnd.Next(1, 10) * 100;
// if (ydistort)
// y = rnd.Next(1, 10) * 100 + rndg.Next(-distortSize, distortSize);
// else
// y = rnd.Next(1, 10) * 100;
// DrawCircle(g, x, y, holeSize, System.Drawing.Brushes.White);
// }
// }
// var matGray = bmp.ToMat().CvtColor(ColorConversionCodes.BGR2GRAY);
// var matBlur = matGray.GaussianBlur(new Size(gaussainSize, gaussainSize), gaussainSize, gaussainSize, BorderTypes.Replicate);
// var matResult = matBlur.Resize(new Size(bw / 10, bh / 10), 0, 0, InterpolationFlags.Linear);
// string filePath = $"c:\\test\\chole\\img_{imgIdx:00}.bmp";
// matResult.SaveImage(filePath);
// Console.WriteLine($"SaveImge: ({filePath})");
// //Glb.DrawMatAndHist0(matGray);
// //Glb.DrawMatAndHist1(matBlur);
// //Glb.DrawMatAndHist2(matResult);
// matGray.Dispose();
// matBlur.Dispose();
// matResult.Dispose();
// }
// }
//}
public static void RoateImage(double rotDegree = 90, InterpolationFlags ipf = InterpolationFlags.Linear)
{
Glb.DrawMatAndHist0(Glb.matSrc);
var matGray = Glb.matSrc.CvtColor(ColorConversionCodes.BGR2GRAY);
Glb.DrawMatAndHist1(matGray);
Size size = matGray.Size();
Mat matRot = Cv2.GetRotationMatrix2D(new Point2f(size.Width / 2, size.Height / 2), rotDegree, 1);
Mat matDst = matGray.WarpAffine(matRot, size, ipf);
Glb.DrawMatAndHist2(matDst);
matRot.Dispose();
matDst.Dispose();
}
public static void Resize(double magnify = 8, InterpolationFlags interpolation = InterpolationFlags.Linear)
{
Glb.DrawMatAndHist0(Glb.matSrc);
var matGray = Glb.matSrc.CvtColor(ColorConversionCodes.BGR2GRAY);
Glb.DrawMatAndHist1(matGray);
var sizeSrc = Glb.matSrc.Size();
var sizeDst = new Size(sizeSrc.Width * magnify, sizeSrc.Height * magnify);
var matResize = matGray.Resize(sizeDst, interpolation: interpolation);
Glb.DrawMatAndHist2(matResize);
matGray.Dispose();
matResize.Dispose();
}
public static NDArray ResizeLong(NDArray src, int size, InterpolationFlags interp = InterpolationFlags.Area)
{
int new_w = 0;
int new_h = 0;
var(h, w) = src.Shape;
if (h > w)
{
new_h = size;
new_w = size * w / h;
}
else
{
new_h = size * h / w;
new_w = size;
}
return(ImResize(src, new_w, new_h, interp: Img.GetInterp(interp, (h, w, new_h, new_w))));
}
public static void ResizeFloat(double magnify = 8, InterpolationFlags interpolation = InterpolationFlags.Linear)
{
Glb.DrawMatAndHist0(Glb.matSrc);
var matFloat = new Mat();
Glb.matSrc.CvtColor(ColorConversionCodes.BGR2GRAY).ConvertTo(matFloat, MatType.CV_32FC1);
Glb.DrawMatAndHist1(matFloat);
var sizeSrc = Glb.matSrc.Size();
var sizeDst = new Size(sizeSrc.Width * magnify, sizeSrc.Height * magnify);
var matResize = matFloat.Resize(sizeDst, interpolation: interpolation);
Glb.DrawMatAndHist2(matResize);
matFloat.Dispose();
matResize.Dispose();
}
public ISequence <Mat> PyrDown(
[InputPin(Description = "", PropertyMode = PropertyMode.Never)] Mat image,
[InputPin(Description = "", PropertyMode = PropertyMode.Default, DefaultValue = "1, 1")] Size minSize,
[InputPin(Description = "", PropertyMode = PropertyMode.Default)] float scale = defaultScale,
[InputPin(Description = "", PropertyMode = PropertyMode.Default)] InterpolationFlags filter = InterpolationFlags.Lanczos4
)
{
if (scale <= 0)
{
throw new ArgumentException("'scale' must be positive.", "scale");
}
if (minSize.Width <= 0 || minSize.Height <= 0)
{
throw new ArgumentException("'minSize' must be positive.", "minSize");
}
return(PyrDownInternal(image, minSize, scale, filter).ToSequence());
}
/// <summary>
/// Resizes an image.
/// </summary>
/// <param name="src">Source image.</param>
/// <param name="dst">Destination image with the same type as src . The size is dsize (when it is non-zero)
/// or the size is computed from src.size() , fx , and fy.</param>
/// <param name="dsize">Destination image size. If it is zero, it is computed as:
/// \f[\texttt{dsize = Size(round(fx* src.cols), round(fy* src.rows))}\f]
/// Either dsize or both fx and fy must be non-zero.</param>
/// <param name="fx">Scale factor along the horizontal axis. If it is zero, it is computed as:
/// \f[\texttt{(double) dsize.width/src.cols}\f]</param>
/// <param name="fy">Scale factor along the vertical axis. If it is zero, it is computed as:
/// \f[\texttt{(double) dsize.height/src.rows}\f]</param>
/// <param name="interpolation">interpolation Interpolation method. INTER_NEAREST , INTER_LINEAR and INTER_CUBIC are
/// supported for now.</param>
/// <param name="stream">Stream for the asynchronous version.</param>
public static void Resize(InputArray src, OutputArray dst, Size dsize,
double fx = 0, double fy = 0, InterpolationFlags interpolation = InterpolationFlags.Linear, Stream stream = null)
{
if (src == null)
{
throw new ArgumentNullException(nameof(src));
}
if (dst == null)
{
throw new ArgumentNullException(nameof(dst));
}
src.ThrowIfDisposed();
dst.ThrowIfNotReady();
NativeMethods.cuda_warping_resize(src.CvPtr, dst.CvPtr, dsize, fx, fy, (int)interpolation, stream?.CvPtr ?? Stream.Null.CvPtr);
GC.KeepAlive(src);
GC.KeepAlive(dst);
dst.Fix();
}
/// <summary>
/// Rotates an image around the origin (0,0) and then shifts it.
/// </summary>
/// <param name="src">Source image. Supports 1, 3 or 4 channels images with CV_8U , CV_16U or CV_32F
/// depth.</param>
/// <param name="dst">Destination image with the same type as src . The size is dsize .</param>
/// <param name="dsize">Size of the destination image.</param>
/// <param name="angle">Angle of rotation in degrees.</param>
/// <param name="xShift">Shift along the horizontal axis.</param>
/// <param name="yShift">Shift along the vertical axis.</param>
/// <param name="flags">Interpolation method. Only INTER_NEAREST , INTER_LINEAR , and INTER_CUBIC
/// are supported.</param>
/// <param name="stream">Stream for the asynchronous version.</param>
public static void rotate(
InputArray src, OutputArray dst, Size dsize, double angle, double xShift = 0, double yShift = 0,
InterpolationFlags flags = InterpolationFlags.Linear, Stream stream = null)
{
if (src == null)
{
throw new ArgumentNullException(nameof(src));
}
if (dst == null)
{
throw new ArgumentNullException(nameof(dst));
}
src.ThrowIfDisposed();
dst.ThrowIfDisposed();
NativeMethods.cuda_warping_rotate(src.CvPtr, dst.CvPtr, dsize, angle, xShift, yShift, (int)flags, stream?.CvPtr ?? Stream.Null.CvPtr);
GC.KeepAlive(src);
GC.KeepAlive(dst);
dst.Fix();
}
/// <summary>
/// Applies a perspective transformation to an image.
/// </summary>
/// <param name="m">3x3 transformation matrix.</param>
/// <param name="dsize">size of the output image.</param>
/// <param name="flags">combination of interpolation methods (INTER_LINEAR or INTER_NEAREST)
/// and the optional flag WARP_INVERSE_MAP, that sets M as the inverse transformation (dst -> src).</param>
/// <param name="borderMode">pixel extrapolation method (BORDER_CONSTANT or BORDER_REPLICATE).</param>
/// <param name="borderValue">value used in case of a constant border; by default, it equals 0.</param>
/// <returns>output image that has the size dsize and the same type as src.</returns>
public Mat WarpPerspective(Mat m, Size dsize, InterpolationFlags flags = InterpolationFlags.Linear,
BorderTypes borderMode = BorderTypes.Constant, Scalar? borderValue = null)
{
var dst = new Mat();
Cv2.WarpPerspective(this, dst, m, dsize, flags, borderMode, borderValue);
return dst;
}
public static void Remap(Core.Mat src, Core.Mat dst, Core.Mat map1, Core.Mat map2, InterpolationFlags interpolation)
{
Core.Exception exception = new Core.Exception();
au_cv_imgproc_remap3(src.cppPtr, dst.cppPtr, map1.cppPtr, map2.cppPtr, (int)interpolation, exception.cppPtr);
exception.Check();
}
public static void Remap(Core.Mat src, Core.Mat dst, Core.Mat map1, Core.Mat map2, InterpolationFlags interpolation, BorderTypes borderType,
Core.Scalar borderValue)
{
Core.Exception exception = new Core.Exception();
au_cv_imgproc_remap1(src.cppPtr, dst.cppPtr, map1.cppPtr, map2.cppPtr, (int)interpolation, (int)borderType, borderValue.cppPtr, exception.cppPtr);
exception.Check();
}
/// <summary>
/// 画像の透視変換を行います．
/// </summary>
/// <param name="src">入力画像</param>
/// <param name="dst">サイズが dsize で src と同じタイプの出力画像</param>
/// <param name="m">3x3 の変換行列</param>
/// <param name="dsize">出力画像のサイズ</param>
/// <param name="flags">補間手法</param>
/// <param name="borderMode">ピクセル外挿手法．
/// borderMode=BORDER_TRANSPARENT の場合，入力画像中の「はずれ値」に対応する
/// 出力画像中のピクセルが，この関数では変更されないことを意味します</param>
/// <param name="borderValue">定数境界モードで利用されるピクセル値．</param>
#else
/// <summary>
/// Applies a perspective transformation to an image.
/// </summary>
/// <param name="src">input image.</param>
/// <param name="dst">output image that has the size dsize and the same type as src.</param>
/// <param name="m">3x3 transformation matrix.</param>
/// <param name="dsize">size of the output image.</param>
/// <param name="flags">combination of interpolation methods (INTER_LINEAR or INTER_NEAREST)
/// and the optional flag WARP_INVERSE_MAP, that sets M as the inverse transformation (dst -> src).</param>
/// <param name="borderMode">pixel extrapolation method (BORDER_CONSTANT or BORDER_REPLICATE).</param>
/// <param name="borderValue">value used in case of a constant border; by default, it equals 0.</param>
#endif
public static void WarpPerspective(
InputArray src, OutputArray dst, InputArray m, Size dsize,
InterpolationFlags flags = InterpolationFlags.Linear,
BorderTypes borderMode = BorderTypes.Constant,
Scalar? borderValue = null)
{
if (src == null)
throw new ArgumentNullException(nameof(src));
if (dst == null)
throw new ArgumentNullException(nameof(dst));
if (m == null)
throw new ArgumentNullException(nameof(m));
src.ThrowIfDisposed();
dst.ThrowIfDisposed();
m.ThrowIfDisposed();
Scalar borderValue0 = borderValue.GetValueOrDefault(Scalar.All(0));
NativeMethods.imgproc_warpPerspective_MisInputArray(
src.CvPtr, dst.CvPtr, m.CvPtr, dsize, (int)flags, (int)borderMode, borderValue0);
GC.KeepAlive(src);
dst.Fix();
}
public ResizeAug(int size, InterpolationFlags interp = InterpolationFlags.Area)
{
Size = size;
Interp = interp;
}
public InterpolateAttribute(InterpolationFlags flags = InterpolationFlags.Default)
{
Smoothing = 0f;
Flags = InterpolationFlags.Default;
}
/// <summary>
/// Applies a generic geometrical transformation to an image.
/// </summary>
/// <param name="src">Source image.</param>
/// <param name="dst">Destination image. It has the same size as map1 and the same type as src</param>
/// <param name="map1">The first map of either (x,y) points or just x values having the type CV_16SC2, CV_32FC1, or CV_32FC2.</param>
/// <param name="map2">The second map of y values having the type CV_16UC1, CV_32FC1, or none (empty map if map1 is (x,y) points), respectively.</param>
/// <param name="interpolation">Interpolation method. The method INTER_AREA is not supported by this function.</param>
/// <param name="borderMode">Pixel extrapolation method. When borderMode=BORDER_TRANSPARENT,
/// it means that the pixels in the destination image that corresponds to the "outliers" in
/// the source image are not modified by the function.</param>
/// <param name="borderValue">Value used in case of a constant border. By default, it is 0.</param>
public static void Remap(
InputArray src, OutputArray dst, InputArray map1, InputArray map2,
InterpolationFlags interpolation = InterpolationFlags.Linear,
BorderTypes borderMode = BorderTypes.Constant, Scalar? borderValue = null)
{
if (src == null)
throw new ArgumentNullException(nameof(src));
if (dst == null)
throw new ArgumentNullException(nameof(dst));
if (map1 == null)
throw new ArgumentNullException(nameof(map1));
if (map2 == null)
throw new ArgumentNullException(nameof(map2));
src.ThrowIfDisposed();
dst.ThrowIfNotReady();
map1.ThrowIfDisposed();
map2.ThrowIfDisposed();
Scalar borderValue0 = borderValue.GetValueOrDefault(Scalar.All(0));
NativeMethods.imgproc_remap(src.CvPtr, dst.CvPtr, map1.CvPtr, map2.CvPtr, (int)interpolation, (int)borderMode, borderValue0);
GC.KeepAlive(src);
dst.Fix();
}
/// <summary>
/// Remaps an image to polar space.
/// </summary>
/// <param name="src">Source image</param>
/// <param name="dst">Destination image</param>
/// <param name="center">The transformation center</param>
/// <param name="maxRadius">Inverse magnitude scale parameter</param>
/// <param name="flags">A combination of interpolation methods, see cv::InterpolationFlags</param>
public static void LinearPolar(
InputArray src, OutputArray dst,
Point2f center, double maxRadius, InterpolationFlags flags)
{
if (src == null)
throw new ArgumentNullException(nameof(src));
if (dst == null)
throw new ArgumentNullException(nameof(dst));
src.ThrowIfDisposed();
dst.ThrowIfNotReady();
NativeMethods.imgproc_linearPolar(src.CvPtr, dst.CvPtr, center, maxRadius, (int)flags);
GC.KeepAlive(src);
dst.Fix();
}
/// <summary>
/// Resizes an image.
/// </summary>
/// <param name="dsize">output image size; if it equals zero, it is computed as:
/// dsize = Size(round(fx*src.cols), round(fy*src.rows))
/// Either dsize or both fx and fy must be non-zero.</param>
/// <param name="fx">scale factor along the horizontal axis; when it equals 0,
/// it is computed as: (double)dsize.width/src.cols</param>
/// <param name="fy">scale factor along the vertical axis; when it equals 0,
/// it is computed as: (double)dsize.height/src.rows</param>
/// <param name="interpolation">interpolation method</param>
/// <returns>output image; it has the size dsize (when it is non-zero) or the size computed
/// from src.size(), fx, and fy; the type of dst is the same as of src.</returns>
public Mat Resize(Size dsize, double fx = 0, double fy = 0,
InterpolationFlags interpolation = InterpolationFlags.Linear)
{
var dst = new Mat();
Cv2.Resize(this, dst, dsize, fx, fy, interpolation);
return dst;
}
public static NDArray ImResize(NDArray src, int w, int h, InterpolationFlags interp = InterpolationFlags.Linear)
{
var(oh, ow) = src.Shape;
return(Img.ImResize(src, w, h, interp: Img.GetInterp(interp, (oh, ow, h, w))));
}
public static void Resize(this Mat self, double scaleFactor, InterpolationFlags inter = InterpolationFlags.Linear)
{
Resize(self, new Size(self.Width * scaleFactor, self.Height * scaleFactor), 0, 0, inter);
}
public static NDArray ResizeShortWithin(NDArray src, int @short, int max_size, int mult_base = 1, InterpolationFlags interp = InterpolationFlags.Area)
{
var(h, w) = src.Shape;
var _tup_2 = w > h ? (h, w) : (w, h);
var im_size_min = _tup_2.Item1;
var im_size_max = _tup_2.Item2;
float scale = (float)@short / im_size_min;
if (Math.Round(scale * im_size_max / mult_base) * mult_base > max_size)
{
// fit in max_size
scale = (float)(Math.Floor(Convert.ToDouble(max_size) / mult_base) * mult_base) / im_size_max;
}
var(new_w, new_h) = (Convert.ToInt32(Math.Round(w * scale / mult_base) * mult_base), Convert.ToInt32(Math.Round(h * scale / mult_base) * mult_base));
return(ImResize(src, new_w, new_h, interp: Img.GetInterp(interp, (h, w, new_h, new_w))));
}
public static void Resize(this Mat self, Size size, double fx = 0, double fy = 0, InterpolationFlags inter = InterpolationFlags.Linear)
{
Resize(self, self, size, fx, fy, inter);
}
private void FrmMain_Load(object sender, EventArgs e)
{
cboxInterpolation.SelectedIndex = 4;
interpolation = InterpolationFlags.Lanczos4;
}
public static void Resize(this Mat self, Mat output, Size size, double fx = 0, double fy = 0, InterpolationFlags inter = InterpolationFlags.Linear)
{
Cv2.Resize(self, output, size.ToCvSize(), fx, fy, inter);
}
/// <summary>
/// Applies a generic geometrical transformation to an image.
/// </summary>
/// <param name="map1">The first map of either (x,y) points or just x values having the type CV_16SC2, CV_32FC1, or CV_32FC2.</param>
/// <param name="map2">The second map of y values having the type CV_16UC1, CV_32FC1, or none (empty map if map1 is (x,y) points), respectively.</param>
/// <param name="interpolation">Interpolation method. The method INTER_AREA is not supported by this function.</param>
/// <param name="borderMode">Pixel extrapolation method. When borderMode=BORDER_TRANSPARENT,
/// it means that the pixels in the destination image that corresponds to the "outliers" in
/// the source image are not modified by the function.</param>
/// <param name="borderValue">Value used in case of a constant border. By default, it is 0.</param>
/// <returns>Destination image. It has the same size as map1 and the same type as src</returns>
public Mat Remap(InputArray map1, InputArray map2, InterpolationFlags interpolation = InterpolationFlags.Linear,
BorderTypes borderMode = BorderTypes.Constant, Scalar? borderValue = null)
{
var dst = new Mat();
Cv2.Remap(this, dst, map1, map2, interpolation, borderMode, borderValue);
return dst;
}
/// <summary>
/// Resizes an image.
/// </summary>
/// <param name="src">input image.</param>
/// <param name="dst">output image; it has the size dsize (when it is non-zero) or the size computed
/// from src.size(), fx, and fy; the type of dst is the same as of src.</param>
/// <param name="dsize">output image size; if it equals zero, it is computed as:
/// dsize = Size(round(fx*src.cols), round(fy*src.rows))
/// Either dsize or both fx and fy must be non-zero.</param>
/// <param name="fx">scale factor along the horizontal axis; when it equals 0,
/// it is computed as: (double)dsize.width/src.cols</param>
/// <param name="fy">scale factor along the vertical axis; when it equals 0,
/// it is computed as: (double)dsize.height/src.rows</param>
/// <param name="interpolation">interpolation method</param>
public static void Resize(InputArray src, OutputArray dst, Size dsize,
double fx = 0, double fy = 0, InterpolationFlags interpolation = InterpolationFlags.Linear)
{
if (src == null)
throw new ArgumentNullException(nameof(src));
if (dst == null)
throw new ArgumentNullException(nameof(dst));
src.ThrowIfDisposed();
dst.ThrowIfNotReady();
NativeMethods.imgproc_resize(src.CvPtr, dst.CvPtr, dsize, fx, fy, (int)interpolation);
GC.KeepAlive(src);
dst.Fix();
}
