/// <summary>
/// Draw the matched keypoints between the model image and the observed image.
/// </summary>
/// <param name="modelImage">The model image</param>
/// <param name="modelKeypoints">The keypoints in the model image</param>
/// <param name="observedImage">The observed image</param>
/// <param name="observedKeyPoints">The keypoints in the observed image</param>
/// <param name="matchColor">The color for the match correspondence lines</param>
/// <param name="singlePointColor">The color for highlighting the keypoints</param>
/// <param name="mask">The mask for the matches. Use null for all matches.</param>
/// <param name="flags">The drawing type</param>
/// <param name="result">The image where model and observed image is displayed side by side. Matches are drawn as indicated by the flag</param>
/// <param name="matches">Matches. Each matches[i] is k or less matches for the same query descriptor.</param>
public static void DrawMatches(
IInputArray modelImage,
VectorOfKeyPoint modelKeypoints,
IInputArray observedImage,
VectorOfKeyPoint observedKeyPoints,
VectorOfVectorOfDMatch matches,
IInputOutputArray result,
MCvScalar matchColor,
MCvScalar singlePointColor,
VectorOfVectorOfByte mask = null,
KeypointDrawType flags = KeypointDrawType.Default)
{
using (InputArray iaModelImage = modelImage.GetInputArray())
using (InputArray iaObservedImage = observedImage.GetInputArray())
using (InputOutputArray ioaResult = result.GetInputOutputArray())
Features2DInvoke.drawMatchedFeatures2(
iaObservedImage,
observedKeyPoints,
iaModelImage,
modelKeypoints,
matches,
ioaResult,
ref matchColor,
ref singlePointColor,
mask,
flags);
}
private static extern void drawMatchedFeatures(
IntPtr img1, IntPtr keypoints1,
IntPtr img2, IntPtr keypoints2,
IntPtr matchIndices,
IntPtr outImg,
MCvScalar matchColor, MCvScalar singlePointColor,
IntPtr matchesMask,
KeypointDrawType flags);
/// <summary>
/// Draw the matched keypoints between the model image and the observered image.
/// </summary>
/// <param name="modelImage">The model image</param>
/// <param name="modelKeypoints">The keypoints in the model image</param>
/// <param name="observerdImage">The observed image</param>
/// <param name="observedKeyPoints">The keypoints in the observed image</param>
/// <param name="matchIndices">The match indices</param>
/// <param name="matchColor">The color for the match correspondence lines</param>
/// <param name="singlePointColor">The color for highlighting the keypoints</param>
/// <param name="matchesMask">The mask for the matches. Use null for all matches.</param>
/// <param name="flags">The drawing type</param>
/// <returns>The image where model and observed image is displayed side by side. Matches are drawn as indicated by the flag</returns>
public static Image <Bgr, Byte> DrawMatches(
Image <Gray, Byte> modelImage, VectorOfKeyPoint modelKeypoints,
Image <Gray, Byte> observerdImage, VectorOfKeyPoint observedKeyPoints,
Matrix <int> matchIndices, Bgr matchColor, Bgr singlePointColor,
Matrix <Byte> matchesMask, KeypointDrawType flags)
{
Image <Bgr, Byte> result = new Image <Bgr, byte>(modelImage.Cols + observerdImage.Cols, Math.Max(modelImage.Rows, observerdImage.Rows));
drawMatchedFeatures(observerdImage, observedKeyPoints, modelImage, modelKeypoints, matchIndices, result, matchColor.MCvScalar, singlePointColor.MCvScalar, matchesMask, flags);
return(result);
}
/// <summary>
/// Draw the matched keypoints between the model image and the observered image.
/// </summary>
/// <param name="modelImage">The model image</param>
/// <param name="modelKeypoints">The keypoints in the model image</param>
/// <param name="observerdImage">The observed image</param>
/// <param name="observedKeyPoints">The keypoints in the observed image</param>
/// <param name="matchColor">The color for the match correspondence lines</param>
/// <param name="singlePointColor">The color for highlighting the keypoints</param>
/// <param name="mask">The mask for the matches. Use null for all matches.</param>
/// <param name="flags">The drawing type</param>
/// <param name="result">The image where model and observed image is displayed side by side. Matches are drawn as indicated by the flag</param>
/// <param name="matches">Matches. Each matches[i] is k or less matches for the same query descriptor.</param>
public static void DrawMatches(
IInputArray modelImage, VectorOfKeyPoint modelKeypoints,
IInputArray observerdImage, VectorOfKeyPoint observedKeyPoints,
VectorOfVectorOfDMatch matches,
IInputOutputArray result,
MCvScalar matchColor, MCvScalar singlePointColor,
IInputArray mask = null,
KeypointDrawType flags = KeypointDrawType.Default)
{
using (InputArray iaModelImage = modelImage.GetInputArray())
using (InputArray iaObserverdImage = observerdImage.GetInputArray())
using (InputOutputArray ioaResult = result.GetInputOutputArray())
using (InputArray iaMask = mask == null ? InputArray.GetEmpty() : mask.GetInputArray())
CvInvoke.drawMatchedFeatures(iaObserverdImage, observedKeyPoints, iaModelImage,
modelKeypoints, matches, ioaResult, ref matchColor, ref singlePointColor, iaMask , flags);
}
private static extern void drawMatchedFeatures(
IntPtr img1, IntPtr keypoints1,
IntPtr img2, IntPtr keypoints2,
IntPtr matchIndices,
IntPtr outImg,
MCvScalar matchColor, MCvScalar singlePointColor,
IntPtr matchesMask,
KeypointDrawType flags);
/// <summary>
/// Draw the matched keypoints between the model image and the observered image.
/// </summary>
/// <param name="modelImage">The model image</param>
/// <param name="modelKeypoints">The keypoints in the model image</param>
/// <param name="observerdImage">The observed image</param>
/// <param name="observedKeyPoints">The keypoints in the observed image</param>
/// <param name="matchIndices">The match indices</param>
/// <param name="matchColor">The color for the match correspondence lines</param>
/// <param name="singlePointColor">The color for highlighting the keypoints</param>
/// <param name="matchesMask">The mask for the matches. Use null for all matches.</param>
/// <param name="flags">The drawing type</param>
/// <returns>The image where model and observed image is displayed side by side. Matches are drawn as indicated by the flag</returns>
public static Image<Bgr, Byte> DrawMatches(
Image<Gray, Byte> modelImage, VectorOfKeyPoint modelKeypoints,
Image<Gray, Byte> observerdImage, VectorOfKeyPoint observedKeyPoints,
Matrix<int> matchIndices, Bgr matchColor, Bgr singlePointColor,
Matrix<Byte> matchesMask, KeypointDrawType flags)
{
Image<Bgr, Byte> result = new Image<Bgr, byte>(modelImage.Cols + observerdImage.Cols, Math.Max(modelImage.Rows, observerdImage.Rows));
drawMatchedFeatures(observerdImage, observedKeyPoints, modelImage, modelKeypoints, matchIndices, result, matchColor.MCvScalar, singlePointColor.MCvScalar, matchesMask, flags);
return result;
}
