Пример #1
0
        public void ForwardBackwardTest()
        {
            var input = new TensorOld(new double[]
            {
                4, 6, 1, 4,
                8, 4, 5, 1,
                5, 3, 5, 7,
                1, 7, 2, 8,
            }, 1, 1, 4, 4);

            var conv = new ConvLayer(4, 2, 1, 1);

            conv.SetFilters(new TensorOld(new double[]
            {
                1, 1, 0, 0,
                0, 0, 1, 1,
                1, 0, 1, 0,
                0, 1, 0, 1,
            }, 4, 1, 2, 2));

            var expected = new TensorOld(new double[]
            {
                0, 0, 0, 0, 0,
                4, 10, 7, 5, 4,
                8, 12, 9, 6, 1,
                5, 8, 8, 12, 7,
                1, 8, 9, 10, 8,

                4, 10, 7, 5, 4,
                8, 12, 9, 6, 1,
                5, 8, 8, 12, 7,
                1, 8, 9, 10, 8,
                0, 0, 0, 0, 0,

                0, 4, 6, 1, 4,
                0, 12, 10, 6, 5,
                0, 13, 7, 10, 8,
                0, 6, 10, 7, 15,
                0, 1, 7, 2, 8,

                4, 6, 1, 4, 0,
                12, 10, 6, 5, 0,
                13, 7, 10, 8, 0,
                6, 10, 7, 15, 0,
                1, 7, 2, 8, 0,
            }, 1, 4, 5, 5);

            conv.PrepareTrain(input);
            var acutal = conv.Forward(input);

            Assert.Equal(acutal, expected);

            var error = expected / 10;
            var back  = conv.Backward(error);
        }
Пример #2
0
        public void ConvLayerStorageTest()
        {
            var doc   = new XmlDocument();
            var layer = new ConvLayer(3, 2, 1, 1);

            layer.SetFilters(new TensorOld(
                                 new double[] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12 }, 3, 1, 2, 2));
            layer.SetBias(new TensorOld(new double[] { 1, 2, 3 }));
            var el   = XmlStorage.SaveToEl(doc, layer);
            var test = XmlStorage.LoadFromNode <ConvLayer>(el);

            Assert.True(test is ConvLayer);
            Assert.Equal(layer.PaddingValue, test.PaddingValue);
            Assert.Equal(layer.FilterRows, test.FilterRows);
            Assert.Equal(layer.FilterColumns, test.FilterColumns);
            Assert.Equal(layer.RowStride, test.RowStride);
            Assert.Equal(layer.ColumnStride, test.ColumnStride);
            Assert.Equal(layer.Filters, test.Filters);
            Assert.Equal(layer.Bias, test.Bias);
        }