All Questions
Tagged with euclidean-distance java
36
questions
7
votes
1
answer
802
views
Euclidean distance, different results between Scipy, pure Python, and Java
I was playing around with different implementations of the Euclidean distance metric and I noticed that I get different results for Scipy, pure Python, and Java.
Here's how I compute the distance ...
- 129
5
votes
5
answers
14k
views
Calculating distance between two points in 3D
My assignment is to create main class in which I initialize the value of any point to be at (0,0,0) and to be able to access and mutate all three values (x,y,z) individually. To do this I have used ...
- 195
5
votes
3
answers
39k
views
Java methods getting euclidean distance
public class Point
{
// Placeholders for xcoordinate, ycoordinate, and quadrants
int xcoord = 0;
int ycoord =0;
double distance = 0.0;
String quadrant = ("NW");
//moveUp changes the y coordinate
...
- 57
4
votes
0
answers
576
views
Calculate Euclidean distance using Painless in Elasticsearch
I would like to sort results from Elasticsearch according to Euclidean distance between document double array and double array from "params". For now I am using my own solution that calculate this ...
- 2,195
3
votes
3
answers
3k
views
Euclidean distance returning strange results
im writing a program to compare two images against each other based on color and im using the Euclidean distance algorithm however when i run it and pass in two images i get one distance and then when ...
3
votes
2
answers
3k
views
Euclidean distance between two objects
First of all I know what the Euclidean distance is and what it does or calculates between two vectors.
But my question is about how to calculate the distance between two class objects for example in ...
- 1,668
3
votes
2
answers
1k
views
squared-euclidean distance with RealVectors in Apache Commons Math
I'm using Apache Commons RealVector and ArrayRealVector classes in Java. I can calculate the euclidean distance between two vectors v1 and v2 as
double dist = v1.getDistance(v2);
However, I'm ...
- 847
3
votes
0
answers
1k
views
How to calculate minimum euclidean distance between two point sets with permutable elements?
I'm working with two sets of points which always have the same number of elements. A0–An and B0–Bn. Both of these sets are non-ordered. [Image 1]
I need to calculate minimum possible euclidean ...
- 31
1
vote
2
answers
103
views
Iteratation through variables of an objects (java)
I have a class Room with the following constructor:
public Room (int x, int y, int z, int Stockwerk) {
this.x = x;
this.y = y;
this.z = z;
this.Stockwerk = Stockwerk;
}
In ...
- 65
1
vote
1
answer
161
views
Is it logical for Manhattan and Euclidean heuristics to check the same nodes?
So I have created an app where I have to find the shortest route from startPos to endPos using the A* algorithm. I have approached this problem with the 2 most common heuristics:
1. Manhattan Distance
...
- 681
1
vote
1
answer
164
views
Why does increasing the number of decimal places not affect the computation time of Euclidean distance?
I am trying to microbenchmark a KMeans program. I am focussing on the Euclidean distance at the moment. I thought that (due to the square root, below) increasing the number of decimal places of each ...
- 125
1
vote
2
answers
903
views
Issue with OpenCV Warp perspective and euclidean distance
My program uses a C# port of OpenCV to find the largest rectangle in the scene and warps the perspective. It almost works, but has one very annoying bug that I just can't figure out.
Using it on a ...
1
vote
1
answer
249
views
digit categorisation using Euclidean distance
I want to categorise digits which are represented in a 64 dimensional space which gives an 8X8 pixel character image. Each attribute is an integer from 0...16. I have 20 rows of 64 values plus one at ...
- 11
0
votes
1
answer
3k
views
Calculating the distance between two squares on a grid - Java
I am creating a game in Java and have a grid of squares that make up the playable area. The player has certain targets and I need to work out how far away the player is from those targets using the x ...
- 1,315
0
votes
2
answers
1k
views
Calculating distance between two LaB colors Java
I am working on a program where I am trying to find the euclidean distance between two LaB colors. I was wondering if they way I calculate the the distance between the two is correct . Here is what I ...
- 397
0
votes
1
answer
11k
views
Euclidean Distance between 2 Vectors Implementation
I working through a few exercises from an academic programing book. The task is to implement 2 vectors and calculate the Euclidean distance between thereof. No this is not Home Work, rather self ...
- 2,042
0
votes
1
answer
589
views
calculating euclidean distance of 2 byte arrays java
I have 2 main images and I want to compare a set of other images to them.
What I do is computing the byte array of those two images and then compare those 2 with the current image being processed. ...
- 303
0
votes
2
answers
122
views
Finding the smallest number in array list java
So I have some code which is finding the distance between a series of points. One method uses the euclidean distance and is working fine, the other is using Manhattan and I don't know why it isn't ...
0
votes
1
answer
2k
views
Comparing each set of a two-dimensional array to determine largest distance
So I have a set of elements in a 2d array, and I am trying to determine the largest distance between coordinates.
I have made a loop to go through each element, but I can't figure out how to only ...
- 141
0
votes
1
answer
3k
views
Euclidean Distance of two vectors with different length
I have a code for calculating euclidean distance like this :
for(int j=0;j<inputdimension;j++){
distance += Math.pow((vector1[j] - vector2.get(j)), 2);
}
and i've an example of data ...
- 619
0
votes
1
answer
228
views
Combining Euclidian distance by measuring colour and edge distance
Say I have calculated the euclidean distance between two images using colour as a feature and also calculated the distance between the two images using their edges. I want to test to see if combining ...
- 1,533
0
votes
1
answer
4k
views
Calculate chi-squared distance between two image histograms in Java
I have calculated the histograms of two images in Java (Code modified and shortened):
for (int posX = 0; posX < image.getWidth(); posX++)
{
for (int posY = 0; posY < image.getHeight(); posY+...
- 81
0
votes
0
answers
113
views
How can I change my algorithm to get the farthest node for each iteration?
So I am trying to pick out the farthest node for each iteration. I start by randomly picking the first node, then continueing by picking the farthest node from the first one.
From there I have two ...
- 161
0
votes
1
answer
3k
views
Calculate Euclidean Distance Between Two Points Using Constructor
I'm working on an assignment to write a java program which implements a Point data type with the following constructor:
Point(double x, double y, double z)
and, the following API:
double distanceto(...
0
votes
1
answer
584
views
Point2D equals within threshold
I have to write a Point2D class for an assignment and so far I have been able to write the code for all the necessary methods except the equals() methods.
I'm having trouble figuring how to write the ...
0
votes
0
answers
1k
views
What is the efficient way to calculate Euclidean distance between elements in a n-dimensional large ArrayList with JAVA?
I wanna calculate Euclidean distances between each pairs of elements in a two dimensional array list in JAVA. this two dimensional array list consists of 40000 records in 40 dimensions. I encountered ...
- 132
0
votes
0
answers
126
views
Monalisa TSP Tour Length/Distance always wrong
the tour length of www.math.uwaterloo.ca/tsp/data/ml/tour/monalisa_5757191.tour is supposed to be 5757191 yet my code gives a result of 5759929.877458311. Assuming that the claim of being willing to ...
- 63
0
votes
1
answer
149
views
Euclidean distance calculation using apache flink
Apache flink has setup libraries to calculate euclidean distance. I want to use the same API for distance calculation on n-dimensional space. I have two dataset with 3 features.
a = {0.1,0.3,0.8}
...
- 1,290
0
votes
1
answer
54
views
I am not getting the actual distance as output from CVS file
I want to calculate the distance between two co-ordinates, which are stored in a CVS file. There are two column mentioned in CVS files for X and Y Co-ordinates respectively.
I want to apply ...
0
votes
1
answer
56
views
Find whether car assigned is moving toward customer or moving away customer
Data which available for computation is
Driver (lat,lon) x mins
customer (lat,lon) x - millisecond
Driver (lat,lon) x-1 mins
Driver (lat,lon) x-2 mins
I have set of location in which i want to ...
0
votes
1
answer
1k
views
Weka Java API - Euclidean Distance: Normalized vs NonNormalized
i want to calculate the normalized euclidean distance between two vectors with length of 5. The simpler way with Apache Math and RealVector does not normalize the distance so I try to use Weka. I have ...
- 161
0
votes
2
answers
3k
views
Calculating the geographic and euclidean distances for TSP in Java
Basically I'm using data from TSPLIB and I have this spec .
This is how I calculated the Euclidean distance (according to the above spec):
public static double calculateDistance(double x1, double y1, ...
- 759
0
votes
1
answer
2k
views
euclidean algorithm for image comparison
i am going to develop an application for image comparison on java. For this i have choosen euclidean algorithm. This application involves with 2 images.
1. Actual image
2. Part of the actual image.
...
- 811
-1
votes
2
answers
216
views
How to pass an Array as a parameter to a Function/Bifunction?
I need to pass an array as parameter into a BiFunction.
Use case :
Calculate the Euclidean Distance of 2 coordinates given in an array.
coordinate1 and coordinate2 are an array.
The below trial, ...
- 3,419
-1
votes
1
answer
6k
views
K-Nearest Neighbor Implementation for Strings (Unstructured data) in Java
I'm looking for implementation for K-Nearest Neighbor algorithm in Java for unstructured data. I found many implementation for numeric data, however how I can implement it and calculate the Euclidean ...
- 123
-4
votes
1
answer
147
views
Incorrect answer of Euclidean Distance Java
I am making a program to calculate the Euclidean Distance of 4 values of Training Data with 4 values of Test Data. For KNN i need to find the Euclidean Distance which i programmed in Java and i am ...
- 21