nSamples() public method

public nSamples ( ) : int
return int
RowDataset8 Class Documentation
Exemplo n.º 1
0
        public void TestRowDataset()
        {
            DRandomizer.Default.init_drand(DateTime.Now.Millisecond);

            // load Mnist datasource
            MnistDatasource mds = new MnistDatasource();
            mds.LoadFromFile(mnistFileNamePrefix);

            // convert mnist to RowDataset8
            RowDataset8 ds8 = MnistDatasetConvert.GetRowDataset8(mds, classes);

            // show random sample to console
            Floatarray fa = new Floatarray();
            int isample = (int)DRandomizer.Default.drand(ds8.nSamples(), 0);
            ds8.Input(fa, isample);
            Console.WriteLine("Char is '{0}'", (char)ds8.Cls(isample));
            NarrayShow.ShowConsole(fa);

            // compare random float sample and original mnist
            StdInput inp1 = new StdInput(mds.ImagesData[isample], mds.ImgHeight, mds.ImgWidth);
            StdInput inp2 = new StdInput(fa);
            Console.WriteLine("Arrays is identical? {0}", Equals(inp1.GetDataBuffer(), inp2.GetDataBuffer()));

            // save RowDataset8 to file
            Console.WriteLine("Saving {0} samples..", ds8.nSamples());
            ds8.Save(mnistFileNamePrefix + dsExt);

            // load RowDataset8 from file
            RowDataset8 ds = new RowDataset8();
            ds.Load(mnistFileNamePrefix + dsExt);
            Console.WriteLine("Loaded {0} samples", ds.nSamples());
        }