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ModularImageAnalysis (MIA) is an ImageJ plugin which provides a modular framework for assembling image and object analysis workflows. Detected objects can be transformed, filtered, measured and related. Analysis workflows are batch-enabled by default, allowing easy processing of high-content datasets.

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package io.github.mianalysis.mia.process.analysis;

import java.util.TreeMap;

/**
 * Created by Stephen on 15/04/2017.
 */
public class InstantaneousSpeedCalculator implements SpatialCalculator {
    public TreeMap calculate(double[] x, double[] y, double[] z, int[] f) {
        TreeMap speed = new TreeMap<>();

        speed.put(f[0],0d);
        for (int i = 1; i < x.length; i++) {
            double dx = x[i] - x[i - 1];
            double dy = y[i] - y[i - 1];
            double dz = z[i] - z[i - 1];

            double currentSpeed = Math.sqrt(dx * dx + dy * dy + dz * dz) / (f[i] - f[i - 1]);
            speed.put(f[i],currentSpeed);

        }

        return speed;

    }
}




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