SergioMtz's picture
App MNIST
1c4f5a0
raw history blame
No virus
3.91 kB
import tensorflow as tf
from tensorflow.keras.layers import Dense, Conv2D, MaxPool2D, Dropout, Add, Layer, Flatten, BatchNormalization, Activation
from tensorflow.keras.models import Model
class ResLayer(Layer):
def __init__(self, filters, name = "Res_Layer"):
super(ResLayer, self).__init__(name = name)
self.filters = filters
self.f1, self.f2, self.f3 = self.filters
# Camino normal
self.Conv_1 = Conv2D(filters = self.f1, kernel_size = (1, 1), strides = (1, 1))
self.MaxPool_1 = MaxPool2D(pool_size = (2, 2))
self.BatchNorm_1 = BatchNormalization()
self.Activation_1 = Activation("relu")
self.Conv_2 = Conv2D(filters = self.f2, kernel_size = (1, 1), strides = (1, 1))
self.BatchNorm_2 = BatchNormalization()
self.Activation_2 = Activation("relu")
self.Conv_3 = Conv2D(filters = self.f3, kernel_size = (1, 1), strides = (1, 1))
self.BatchNorm_3 = BatchNormalization()
# Camino corto
self.Conv_4 = Conv2D(filters = self.f3, kernel_size = (1, 1), strides = (1, 1))
self.MaxPool_2 = MaxPool2D(pool_size = (2, 2))
self.Add = Add()
self.Activation_3 = Activation("relu")
def call(self, inputs):
X_copy = inputs
X = self.Conv_1(inputs)
X = self.MaxPool_1(X)
X = self.BatchNorm_1(X)
X = self.Activation_1(X)
X = self.Conv_2(X)
X = self.BatchNorm_2(X)
X = self.Activation_2(X)
X = self.Conv_3(X)
X = self.BatchNorm_3(X)
X_copy = self.Conv_4(X_copy)
X_copy = self.MaxPool_2(X_copy)
outputs = self.Add([X, X_copy])
outputs = self.Activation_3(outputs)
return outputs
class ResNet(Model):
def __init__(self, filters = [[64, 128, 256]], name = "ResNet"):
super(ResNet, self).__init__(name = name)
self.filters = filters
self.nb_layers = tf.shape(self.filters)[0].numpy()
self.res_layer = [ResLayer(filters)
for i, filters in enumerate(self.filters)]
self.Flatten = Flatten()
self.Dense_1 = Dense(units = 128, activation = "relu")
self.dropout_1 = Dropout(rate = 0.2)
self.Dense_2 = Dense(units = 64, activation = "relu")
self.dropout_2 = Dropout(rate = 0.1)
self.Dense_Out = Dense(units = 10, activation = "softmax")
def call(self, inputs):
outputs = inputs
for i in range(self.nb_layers):
outputs = self.res_layer[i](outputs)
outputs = self.Flatten(outputs)
outputs = self.Dense_1(outputs)
outputs = self.dropout_1(outputs)
outputs = self.Dense_2(outputs)
outputs = self.dropout_2(outputs)
outputs = self.Dense_Out(outputs)
return outputs
model = ResNet()
model.build(input_shape = [None, 28, 28, 1])
model.load_weights("ResNet_Weights.tf")
import gradio as gr
def digit_recognition(img):
img = img / 255.
img = tf.expand_dims(img, axis = -1)
img = tf.convert_to_tensor([img], dtype = tf.float32)
prediction = model(img)
prediction = tf.squeeze(prediction)
return {"Cero": float(prediction[0]),
"Uno": float(prediction[1]),
"Dos": float(prediction[2]),
"Tres": float(prediction[3]),
"Cuatro": float(prediction[4]),
"Cinco": float(prediction[5]),
"Seis": float(prediction[6]),
"Siete": float(prediction[7]),
"Ocho": float(prediction[8]),
"Nueve": float(prediction[9])}
app = gr.Interface(fn = digit_recognition, inputs = "sketchpad", outputs = "label", description = "Dibuja un número", title = "MNIST Digit Recognition")
app.launch(share = True)