kdtree

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Ray Tracing using k-d trees for stanford bunny model

I am trying to ray trace the Stanford bunny model which is PLY format. I have a parser which parses the PLY file and gives me the value of co-ordinates of triangles and also their vertices. Now I am c[详细]

2023-04-07 12:20 分类：问答
Parameterizing types by integers in Haskell

I am trying to make some Haskell types which are parametrized not by types but by elements of a type, specifically, integers.For instance, a (linear-algebra) vector in R^2 and a vector in R^3 are diff[详细]

2023-04-01 21:19 分类：问答
Implementing a k-d tree for 'nearest neighbor' search in MYSQL?

I am designing an automated trading software for the foreign exchange market. In a MYSQL database I have years of market data at five-minute intervals. I have 4 different metrics for this data alongs[详细]

2023-03-27 02:56 分类：问答
Difference between scipy.spatial.KDTree and scipy.spatial.cKDTree

What is the difference between these two开发者_StackOverflow algorithms?cKDTree is a subset of KDTree, implemented in C++ wrapped in Cython, so therefore faster.[详细]

2023-03-25 20:41 分类：问答
Explain this algorithm (Compare points in SURF algorithm)

I need to know if this algorithm is a known one: void getMatches(IpVec &ipts1, IpVec &ipts2, IpPairVec &matches, float ratio) {[详细]

2023-03-25 05:15 分类：问答
Kd Tree Iterative implementation ( C++ )

Hello Does anybody has iterative implementation of Kd-Tree in C++. I tried but it is failing when the number of nodes are odd.[详细]

2023-03-12 04:57 分类：问答
dual kd-tree construction

Please anyone tell me how to construct dual kd-tree and how to traverse it? And at least tell me the algorithm for finding nearest neighbor using this 开发者_开发技巧dual tree concept in java. This w[详细]

2023-02-26 11:05 分类：问答
How do I use kd-trees for determining string similarity?

I am trying to utilize k-nearest neighbors for the string similarity problem i.e. given a string and a knowledge base, I want to output k st开发者_开发问答rings that are similar to my given string. Ar[详细]

2023-02-26 01:35 分类：问答
KD-tree in a MongoDB DB collection

I am trying to solve the k nearest neighbor problem on a 开发者_JAVA百科set of objects in 3-space.These objects live in a MongoDB collection with all the joy and sorrow that comes with document based[详细]

2023-02-21 03:35 分类：问答
KD-Tree Implementation in SQL

Is anyone aware of a KD-Tree, or similar spatial index, implemented in SQL? I was considering writing my own using Python and Django\'s ORM, but I\'d like to avoid reinventing the wheel.[详细]

2023-02-20 21:48 分类：问答