The Accord.NET Framework

Accord.NET Framework 3.8.0 release notes 22.10.2017. Version updates and fixes: GH-82: Add support for weighted PCA; GH-127: Fast KMeans (Request); GH-145: MovingNormalStatistics; GH-157: Issue in Survival analysis using VB.NET; GH-184: Add an Example for Graylevel coocurrences; GH-211: Any samples on how to use Boosted Decision Trees; GH-257: DFT functions in AForge.Math.FourierTransform and Accord.Math.Transforms; GH-262: C45Learning Discrete vs Real; GH-374: Dictionary of video capabilities doesn't take into account the video framerate; GH-376: Add an Example for VideoCaptureDevice Class; GH-377: Add an Example for LevenbergMarquardt Class; GH-415: Add an Example for AdaBoost(TModel); GH-421: Add an Example for KalmanFilter2D Class; GH-422: Add an Example for DecisionStump.Learn Method; GH-424: Add an Example for AdaBoost(TModel) Class; GH-430: Add an Example for GeneralConfusionMatrix Constructor (Int32, Int32[], Int32[]); GH-440: BagOfWords for audio signals; GH-441: Add Mel Frequency Cepstral Coefficients (MFCC); GH-466: Add an Example for Distance.Mahalanobis Method (Double[], Double[]); GH-467: Add an Example for Spline Class; GH-473: Add an Example for IParallel.ParallelOptions Property; GH-476: Add an Example for TwoWayAnova Constructor (Double[][][], TwoWayAnovaModel); GH-483: Add an Example for Haralick Class; GH-486: Add an Example for LibSvmModel.Save Method (String); GH-498: Add an Example for QLearning Class; GH-500: Add an Example for FourierTransform2.FFT Method (Complex[], FourierTransform.Direction); GH-505: Add an Example for ConfusionMatrix Constructor (Int32[], Int32[], Int32, Int32); GH-517: Add an Example for Sarsa Class; GH-519: Add an Example for NelderMead Class; GH-530: Add an Example for Matrix.Inverse Method (Double[][]); GH-532: Add an Example for GaussNewton Class; GH-547: Add an Example for HaralickDescriptor Class; GH-554: Add an Example for BinaryTree(TNode) Class; GH-557: Add an Example for Matrix.Sort(TKey, TValue) Method (TKey[], TValue[,], IComparer(TKey)); GH-560: Add an Example for FourierTransform2.FFT Method (Double[], Double[], FourierTransform.Direction); GH-566: Add an Example for Distance.GetDistance(T) Method; GH-569: Add an Example for Distance.Euclidean Method (Double, Double, Double, Double); GH-575: Add an Example for LuDecomposition Class; GH-576: RandomForestLearning: Examples can't run with SampleRatio not equal 1.0; GH-582: Add an Example for Matrix.Multiply Method (Double[], Double[,]); GH-610: Add an Example for UnivariateContinuousDistribution.Fit Method (Double[]); GH-616: Add an Example for LevenbergMarquardt Class; GH-618: Add an Example for Apriori Class; GH-629: Add an Example for AdaBoost(TModel) Class; GH-636: Add an Example for Measures.Correlation Method (Double[][]); GH-640: Add an Example for GaussianKernel Class; GH-642: Add an Example for Matrix.PseudoInverse Method (Decimal[,]); GH-653: Add an Example for HistogramsOfOrientedGradients Class; GH-656: Add an Example for MatReader.Read Method (String); GH-660: Add an Example for LogLikelihoodLoss Class; GH-665: Add an Example for FourierTransform.FFT Method; GH-687: Add an Example for ShapiroWilkTest Class; GH-695: Add an Example for TFIDF.Transform Method (String[][]); GH-703: Add an Example for Imputation Class; GH-717: Possible issue with DynamicTimeWarp kernel class; GH-718: Add an Example for Cosine.Distance Method; GH-723: Procrustes analysis is giving weird/wrong results; GH-727: Add an Example for IRadialBasisKernel Interface; GH-730: Binary-Split with normalized FREAK; GH-739: Add an Example for MultipleLinearRegression.CoefficientOfDetermination Method; GH-756: Add an Example for ProportionalHazardsAnalysis.LogLikelihood Property; GH-764: Add an Example for AndersonDarlingTest Class; GH-769: Issue using visual bag of words with large images; GH-783: Add an Example for LocalBinaryPattern Class; GH-785: Add an Example for Tools.RandomGroups Method (Int32, Double); GH-787: Add an Example for HiddenMarkovModel(TDistribution, TObservation).Predict Method (TObservation[]); GH-789: Add support for OS X; GH-792: Add an Example for FisherExactTest Class; GH-793: Add an Example for HoughLineTransformation Class; GH-798: System.AccessViolationException in FastBoxBlur; GH-800: Missing dependency for Accord.Neuro in NuGet; GH-802: Index outside of the bounds of the array in Naive Bayes; GH-803: NaN probabilities from large features with MultinomialLogisticRegression; GH-805: Unsafe keyword being exposed in the public API; GH-807: Add an Example for CrossValidating NaiveBayes; GH-809: The Codification filter should honor the value of DefaultMissingValueReplacement unless overriden; GH-811: Naive Bayes should provide better argument checking for negative symbols; GH-812: ZhangSuenSkeletonization filter not exist to use; GH-814: Add an Example for MulticlassSupportVectorMachine(TKernel, TInput) Class; GH-818: Add an Example for LinearConstraint Class; GH-819: Quadratic Objective Function to support basic vector operations; GH-820: Augmented Lagrangian to support linear constraints; GH-824: Improve number of class inference in ZeroOneLoss; GH-825: Replace multi-dimentional with jagged arrays in IntegralImage.cs; GH-828: Accord.Neuro under .Net Standard 2.0; GH-830: Read PGM image pending; GH-831: Index outside of the bounds of the array in Naive Bayes; GH-843: Where is Accord.NET AdaBoost Decide method; GH-845: Add an Example for Decision Structure; GH-848: Wilcoxon Signed Rank Test for PAIRED samples: TwoSampleWilcoxonSignedRankTest; GH-849: TwoSampleWilcoxonSignedRankTest crashing when sample vectors are exactly the same values; GH-852: Add an Example for DecisionSet Class; GH-853: Access to last Hessian in BoundedBroydenFletcherGoldfarbShanno; GH-856: Add an overload to IsSymmetric that accepts a tolerance; GH-857: Mann-Whitney-U Test producing strange results; GH-862: Accord.Math -> Vector -> T[] Sample<T>(T[] values, int size) incorrect; GH-865: Measures.Quartiles: value for Q1 (lower quartile) wrong in QuantileMethod.R; GH-873: Add an Example for DecisionRule Class; GH-876: Allow the maximum frame rate possible in DirectShow for VideoCaptureDevice; GH-877: Add an Example for HaarCascadeWriter Class; GH-878: Accord.Math.Transforms.FourierTransform2.DFT2 Is bugged; GH-882: Adding lazy evaluation to matrix decompositions; GH-885: Add an Example for Signal.GetEnergy Method; GH-890: Add an Example for MultinomialLogisticRegressionAnalysis Class; GH-897: Wrong status text in ImageView from DebugVisualizer; GH-898: The Range method is producing some unexpected results; GH-899: Add an Example for IntegralImage2 Class; GH-900: Add an Example for ExhaustiveTemplateMatching Class; GH-901: Add an Example for HSL Class; GH-911: Character case of folder name; GH-913: KNearestNeighbors can not be serialized; GH-917: Two C++ projects require "Platform toolset v141" which is only available on VS2017; GH-919: Build failed for Samples.sln on VS 2015; GH-921: Fix for the normal random number generator when a seed is specified; GH-924, GH-925: Fixing the seeded exponential generator; GH-927: Broadcasting dimension seems counter-intuitive; GH-929: Add an Example for SpeededUpRobustFeaturesDescriptor Class; GH-930: Add an Example for FastCornersDetector Class; GH-931: Add an Example for MatchingTracker Class; GH-937: Add an Example for LogisticRegression Class; GH-948: Accord.Video.FFMPEG.VideoFileReader should provide frame-based random access; GH-949: Add the Free Spoken Digits Dataset to Accord.DataSets; GH-950: Add a dataset for example test videos; GH-955: KalmanFilter2D throws System.NullReferenceException; GH-956: Integrate AForge.NET fixes (up to September 6); General The libsonly script is now in RAR4 format instead of RAR5 so they will not be listed as corrupted files by Linux/MacOSX decompressors; Core Splitting ITransform into ITransform and ICovariantTransform (to support generic covariance); Video.FFMPEG Standardizing the C++ projects to depend on VS2015 runtime instead of VS2017 to keep compatibility with VS2015; Adding a static constructor in the FFMPEG project to check whether the system has those dependencies installed; Audio Adding the initial version for a MelFrequencyCepstrumCoefficients audio feature extractor; Adding a IAudioFeatureExtractor interface (akin to the IImageFeatureExtractor for Accord.Imaging); Adding a Mono filter to convert multi-channel audio signals into single channel (mono) signals; Adding a Signal.FromFile() method to load audio signals from file similarly to Bitmap.FromFile(); Adding an AudioDecoder class akin to ImageDecoder to find audio format decoders based on file extension; Audition Adding BagOfAudioWords class to compute bag-of-word representations from audio signals; Imaging Adding support for decoding PNM files in format P2 and P3 (besides the already supported P5 and P6); Updating Haralick's to use the same normalization method as HOG and LBP; Updating the color classes (RGB, HSL, YCbCr) to be structs; Adding conversion operators between different color classes; Updating ImageDecoder to find decoders using reflection instead of manual registration; Updating the feature extraction framelet to implement the ITransform interfaces and deprecating IFeatureDetector; Updating all feature descriptors to be classes rather than structs so the generics covariance can work; Integrating AForge.NET's texture generation classes: Adding a base class for texture generation methods, updating them to use the framework-wide random number generator, and deprecating their Reset method; DataSets: Adding the Yin-Yang dataset as an example of a non-linear 2D binary classification problem; Adding the Servo dataset as an example of a mixed discrete/continuous dataset for regression; Math Adding a methods for the numerical calculation of the Hessian in the FiniteDifferences class; Updating Vector.Interval and Vector.Range to behave similar to NumPy's linspance and arange func