def change_input_dims(self, new_input_dims): Layer.change_input_dims(self, new_input_dims) if new_input_dims < self.kernel_size: self.kernel_size = new_input_dims self.__create_kernel() Layer.change_output_dims(self, self.input_dims - self.kernel_size + 1) self.create_weight_matrix_from_kernel()
def __init__(self, input_dims, kernel_size): if input_dims < kernel_size: kernel_size = input_dims Layer.__init__(self, "conv1d", input_dims, input_dims - kernel_size + 1) self.kernel_size = kernel_size self.bias = np.random.rand(1) #Just as the weights are shared, so is the bias self.__create_kernel() self.create_weight_matrix_from_kernel()
def __init__(self, input_dims, kernel_width, kernel_height, image_width, image_height): self.image_width = image_width self.image_height = image_height self.kernel = np.random.rand(kernel_height, kernel_width) * 2 - 1 self.bias = np.random.rand(1) self.output_width = self.image_width - kernel_width + 1 self.output_height = self.image_height - kernel_height + 1 Layer.__init__(self, "conv2d", input_dims, self.output_width * self.output_height) self.create_weight_matrix_from_kernel()
def __init__(self, input_dims, error_function=None, target_file_path=None): Layer.__init__(self, "output", input_dims, input_dims) if not target_file_path is None: self.targets = np.genfromtxt(target_file_path, delimiter=',') if len(self.targets.shape) == 1: self.targets = np.reshape(self.targets, (-1, 1)) else: self.targets = None self.error_function = error_function
def change_output_dims(self, new_output_dims): new_kernel_size = new_output_dims - self.input_dims - 1 if new_kernel_size <= 0: self.kernel_size = 1 self.change_input_dims(new_output_dims) return self.kernel_size = new_kernel_size self.__create_kernel() Layer.change_output_dims(self, self.input_dims - self.kernel_size + 1) self.create_weight_matrix_from_kernel()
def to_json(self):
actual_layers = [
self.__layers[i * 2] for i in range(len(self.__layers) // 2)
]
actual_layers.insert(
0, Layer("input", self.__input_dims, self.__input_dims))
return {"layers": [layer.to_json() for layer in actual_layers]}
def __init__(self, input_dims, output_dims):
Layer.__init__(self, "sigmoid", input_dims, output_dims)
def __init__(self, input_file_path): self.dataset = np.genfromtxt(input_file_path, delimiter=',') Layer.__init__(self, "input", self.dataset.shape[1], self.dataset.shape[1])
def __init__(self, input_dims, output_dims):
Layer.__init__(self, "fullyConnected", input_dims, output_dims)
self.__init_weight_matrix()
self.bias_vector = np.random.rand(output_dims) * 2 - 1
def change_output_dims(self, new_output_dims):
Layer.change_output_dims(self, new_output_dims)
self.bias_vector = np.random.rand(self.output_dims) * 2 - 1
self.__init_weight_matrix()
def change_input_dims(self, new_input_dims):
Layer.change_input_dims(self, new_input_dims)
self.__init_weight_matrix()