EncEval

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7. def calcAndGetFVs(means: Array[Float], dims: Int, numClusters: Int, covariances: Array[Float], priors: Array[Float], dSiftDescriptors: Array[Float]): Array[Float]

   Calculates Fisher Vectors for a set of descriptors given a GMM.

   Calculates Fisher Vectors for a set of descriptors given a GMM.

   means

   Means - flat array in center-major order.

   dims

   Number of dimensions of each center.

   numClusters

   Number of GMM cluster centers.

   covariances

   The variances of the GMM centers in center-major order.

   priors

   The weights of the GMM in center order.

   dSiftDescriptors

   Bag of descriptors on which to compute the GMM.

   returns

   The Fisher Vector for the input descriptors.

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9. def computeGMM(nGauss: Int, nDim: Int, samples: Array[Float]): Array[Float]

   Compute a mixture of Gaussians given a set of sample points.

   Compute a mixture of Gaussians given a set of sample points.

   nGauss

   Number of Gaussians to estimate.

   nDim

   Number of dimensions of each sample.

   samples

   The samples (in sample-major order).

   returns

   The Gaussians, their variances, and their weights in a single flat array. (Center-major order).

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