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A deep learning library containing implementations of popular algorithms and extensions to TensorFlow and Keras.

Project description

DeepToolKit

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DeepToolKit provides implementations of popular machine learning algorithms, extensions to existing deep learning pipelines using TensorFlow and Keras, and convenience utilities to speed up the process of implementing, training, and testing deep learning models. In addition, DeepToolKit includes an inbuilt computer vision module containing implementations of facial detection and image processing algorithms.

Installation

Python Package

DeepToolKit can be installed directly from the command line:

pip install deeptoolkit

You can then work with it either by importing the library as a whole, or by importing the functionality you need from the relevant submodules.

# Complete library import.
import deeptoolkit as dtk

# Module and function imports.
from deeptoolkit.data import plot_data_cluster
from deeptoolkit.blocks import SeparableConvolutionBlock
from deeptoolkit.losses import CategoricalFocalLoss

From Source

If you want to install DeepToolKit directly from source, (i.e. for local development), then first install the git source:

git clone https://github.com/amogh7joshi/deeptoolkit.git

Then install system requirements and activate the virtual environment. A Makefile is included for installation:

make install

Features

DeepToolKit provides a number of features to either use standalone or integrated in a deep learning model construction pipeline. Below is a high-level list of features in the module. Proper documentation is under construction.

Model Architecture Blocks: deeptoolkit.blocks

  • Generic model architecture blocks, including convolution and depthwise separable convolution blocks, implemented as tf.keras.layers.Layer objects so you can directly use them in a Keras model.
  • Applied model architecture blocks, including squeeze and excitation blocks and ResNet identity blocks.

For Example:

from tensorflow.keras.models import Model
from tensorflow.keras.layers import MaxPooling2D
from tensorflow.keras.layers import Input, Dense, Flatten
from deeptoolkit.blocks import ConvolutionBlock

# Construct a Keras Functional model like normal.
inp = Input((256, 256, 3))
x = ConvolutionBlock(32, kernel_size = (3, 3), activation = 'relu')(inp)
x = MaxPooling2D(pool_size = (2, 2))(x)
x = ConvolutionBlock(16, kernel_size = (3, 3), activation = 'relu')(x)
x = MaxPooling2D(pool_size = (2, 2))(x)
x = Flatten()(x)
x = Dense(1024, activation = 'relu')(x)
x = Dense(10, activation = 'relu')(x)
model = Model(inp, x)

Loss Functions: deeptoolkit.losses

  • Custom loss functions including binary and categorical focal loss, built as tf.keras.losses.Loss objects so you can use them in a Keras model training pipeline as well.

For Example:

from tensorflow.keras.optimizers import Adam
from deeptoolkit.losses import BinaryFocalLoss

# Using the model from the above example.
model.compile(
   optimizer = Adam(),
   loss = BinaryFocalLoss(),
   metrics = ['accuracy']
)

Data Processing and Visualization: deeptoolkit.data

  • Data preprocessing, including splitting data into train, validation, and test sets, and shuffling datasets while keeping data-label mappings intact.
  • Data visualization, including cluster visualizations.

For Example:

import numpy as np
from deeptoolkit.data import train_val_test_split

X = np.random.random(100)
y = np.random.random(100)
X_train, X_val, X_test, y_train, y_val, y_test = train_val_test_split(X, y, split = [0.6, 0.2, 0.2])

Model Evaluation: deeptoolkit.evaluation

  • Model evaluation resources, including visualization of model training metrics over time.

Computer Vision: deeptoolkit.vision

  • A pre-built facial detection model: deeptoolkit.vision.FacialDetector. A large number of modern computer vision algorithms include a facial detection component, and DeepToolKit's facial detection module provides fast and accurate face detection using OpenCV's DNN implementation. To use it, simply execute the following:
import cv2
from deeptoolkit.vision import FacialDetector

# Initialize detector.
detector = FacialDetector()

# Detect face from image path and save image to path.
detector.detect_face('image/path', save = 'image/save/path')

# Detect face from existing image and continue to use it.
image = cv2.imread('image/path')
annotated_image = detector.detect_face(image)

Facial Detection Cartoon

License

All code in this repository is licensed under the MIT License.

Issue Reporting

If you notice any issues or bugs in the library, please create an issue under the issues tab. To get started and for more information, see the issue templates.

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