/// <summary>
///
/// </summary>
/// <param name="indexParams"></param>
/// <param name="searchParams"></param>
public FlannBasedMatcher(IndexParams indexParams = null, SearchParams searchParams = null)
{
ptr = NativeMethods.features2d_FlannBasedMatcher_new(
Cv2.ToPtr(indexParams), Cv2.ToPtr(searchParams));
}
/// <summary>
/// 複数のクエリ点に対するk-近傍探索を行います．
/// </summary>
/// <param name="queries">クエリ点．1行が1つの点を表します</param>
/// <param name="indices">求められた最近傍のインデックス</param>
/// <param name="dists">求められた最近傍までの距離</param>
/// <param name="knn">この個数分の最近傍を求めます</param>
/// <param name="params">探索パラメータ</param>
#else
/// <summary>
/// Performs a K-nearest neighbor search for multiple query points.
/// </summary>
/// <param name="queries">The query points, one per row</param>
/// <param name="indices">Indices of the nearest neighbors found</param>
/// <param name="dists">Distances to the nearest neighbors found</param>
/// <param name="knn">Number of nearest neighbors to search for</param>
/// <param name="params">Search parameters</param>
#endif
public void KnnSearch(Mat queries, out int[] indices, out float[] dists, int knn, SearchParams @params)
{
if (queries == null)
throw new ArgumentNullException("queries");
if (@params == null)
throw new ArgumentNullException("params");
if (knn < 1)
throw new ArgumentOutOfRangeException("knn");
indices = new int[knn];
dists = new float[knn];
NativeMethods.flann_Index_knnSearch3(ptr, queries.CvPtr, indices, dists, knn, @params.CvPtr);
}
/// <summary>
/// 与えられたクエリ点に対するradius 最近傍探索を行います．
/// </summary>
/// <param name="queries">クエリ点．1行が1つの点を表します [入力]</param>
/// <param name="indices">求められた最近傍のインデックス [出力]</param>
/// <param name="dists">求められた最近傍までの距離 [出力]</param>
/// <param name="radius">探索範囲</param>
/// <param name="maxResults"></param>
/// <param name="params">探索パラメータ</param>
#else
/// <summary>
/// Performs a radius nearest neighbor search for a given query point.
/// </summary>
/// <param name="queries">The query point</param>
/// <param name="indices">Indices of the nearest neighbors found</param>
/// <param name="dists">Distances to the nearest neighbors found</param>
/// <param name="radius">Number of nearest neighbors to search for</param>
/// <param name="maxResults"></param>
/// <param name="params">Search parameters</param>
#endif
public void RadiusSearch(Mat queries, int[] indices, float[] dists, float radius, int maxResults, SearchParams @params)
{
if (queries == null)
throw new ArgumentNullException("queries");
if (indices == null)
throw new ArgumentNullException("indices");
if (dists == null)
throw new ArgumentNullException("dists");
if (@params == null)
throw new ArgumentNullException("params");
NativeMethods.flann_Index_radiusSearch3(ptr, queries.CvPtr, indices, indices.Length, dists, dists.Length, radius, maxResults, @params.CvPtr);
}
/// <summary>
/// 複数のクエリ点に対するk-近傍探索を行います．
/// </summary>
/// <param name="queries">クエリ点．1行が1つの点を表します</param>
/// <param name="indices">求められた最近傍のインデックス</param>
/// <param name="dists">求められた最近傍までの距離</param>
/// <param name="knn">この個数分の最近傍を求めます</param>
/// <param name="params">探索パラメータ</param>
#else
/// <summary>
/// Performs a K-nearest neighbor search for multiple query points.
/// </summary>
/// <param name="queries">The query points, one per row</param>
/// <param name="indices">Indices of the nearest neighbors found</param>
/// <param name="dists">Distances to the nearest neighbors found</param>
/// <param name="knn">Number of nearest neighbors to search for</param>
/// <param name="params">Search parameters</param>
#endif
public void KnnSearch(Mat queries, Mat indices, Mat dists, int knn, SearchParams @params)
{
if (queries == null)
throw new ArgumentNullException("queries");
if (indices == null)
throw new ArgumentNullException("indices");
if (dists == null)
throw new ArgumentNullException("dists");
if (@params == null)
throw new ArgumentNullException("params");
NativeMethods.flann_Index_knnSearch2(ptr, queries.CvPtr, indices.CvPtr, dists.CvPtr, knn, @params.CvPtr);
}