Tensorflow | Ecosyste.ms: Awesome

https://github.com/rasbt/python-machine-learning-book-2nd-edition

The "Python Machine Learning (2nd edition)" book code repository and info resource

data-science deep-learning machine-learning python scikit-learn tensorflow

Last synced: 13 Oct 2024

https://github.com/replicate/cog

Containers for machine learning

ai containers cuda deep-learning docker machine-learning pytorch tensorflow

Last synced: 28 Oct 2024

https://github.com/Alluxio/alluxio

Alluxio, data orchestration for analytics and machine learning in the cloud

alluxio data-analysis data-orchestration hadoop memory-speed presto spark tensorflow virtual-distributed-filesystem

Last synced: 29 Oct 2024

https://github.com/alluxio/alluxio

Alluxio, data orchestration for analytics and machine learning in the cloud

alluxio data-analysis data-orchestration hadoop memory-speed presto spark tensorflow virtual-distributed-filesystem

Last synced: 28 Oct 2024

https://github.com/deeppavlov/deeppavlov

An open source library for deep learning end-to-end dialog systems and chatbots.

ai artificial-intelligence bot chatbot chitchat deep-learning deep-neural-networks dialogue-agents dialogue-manager dialogue-systems entity-extraction intent-classification intent-detection machine-learning named-entity-recognition nlp nlp-machine-learning question-answering slot-filling tensorflow

Last synced: 01 Nov 2024

https://github.com/deeppavlov/DeepPavlov

An open source library for deep learning end-to-end dialog systems and chatbots.

ai artificial-intelligence bot chatbot chitchat deep-learning deep-neural-networks dialogue-agents dialogue-manager dialogue-systems entity-extraction intent-classification intent-detection machine-learning named-entity-recognition nlp nlp-machine-learning question-answering slot-filling tensorflow

Last synced: 25 Oct 2024

https://github.com/hybridgroup/gocv

Go package for computer vision using OpenCV 4 and beyond. Includes support for DNN, CUDA, OpenCV Contrib, and OpenVINO.

computer-vision computervision cuda dnn face-tracking gocv golang image-processing mjpeg mjpeg-stream object-classification object-tracking onnx opencv openvino tensorflow video video-capture yolo

Last synced: 28 Oct 2024

https://github.com/deepmipt/DeepPavlov

An open source library for deep learning end-to-end dialog systems and chatbots.

ai artificial-intelligence bot chatbot chitchat deep-learning deep-neural-networks dialogue-agents dialogue-manager dialogue-systems entity-extraction intent-classification intent-detection machine-learning named-entity-recognition nlp nlp-machine-learning question-answering slot-filling tensorflow

Last synced: 11 Aug 2024

https://github.com/probml/pyprobml

Python code for "Probabilistic Machine learning" book by Kevin Murphy

blackjax colab flax jax jupyter-notebooks machine-learning numpyro pml probabilistic-programming pymc3 pyro pytorch tensorflow

Last synced: 29 Oct 2024

https://github.com/dragen1860/TensorFlow-2.x-Tutorials

TensorFlow 2.x version's Tutorials and Examples, including CNN, RNN, GAN, Auto-Encoders, FasterRCNN, GPT, BERT examples, etc. TF 2.0版入门实例代码，实战教程。

artificial-intelligence computer-vision deep-learning machine-learning neural-network nlp tensorflow tensorflow-2 tensorflow-examples tensorflow-tutorials

Last synced: 27 Oct 2024

https://github.com/dragen1860/tensorflow-2.x-tutorials

TensorFlow 2.x version's Tutorials and Examples, including CNN, RNN, GAN, Auto-Encoders, FasterRCNN, GPT, BERT examples, etc. TF 2.0版入门实例代码，实战教程。

artificial-intelligence computer-vision deep-learning machine-learning neural-network nlp tensorflow tensorflow-2 tensorflow-examples tensorflow-tutorials

Last synced: 09 Oct 2024

https://github.com/ufoym/deepo

Setup and customize deep learning environment in seconds.

caffe caffe2 chainer cntk deep-learning docker-image dockerfile-generator jupyter keras lasagne mxnet onnx pytorch sonnet tensorflow theano torch

Last synced: 26 Sep 2024

https://github.com/tensorpack/tensorpack

A Neural Net Training Interface on TensorFlow, with focus on speed + flexibility

deep-learning machine-learning neural-networks reinforcement-learning tensorflow

Last synced: 13 Oct 2024

https://github.com/nfmcclure/tensorflow_cookbook

Code for Tensorflow Machine Learning Cookbook

classification cnn genetic-algorithm kmeans-clustering linear-regression machine-learning neural-network nlp ode packtpub regression rnn svm tensorboard tensorflow tensorflow-algorithms tensorflow-cookbook

Last synced: 29 Oct 2024

https://github.com/zihangdai/xlnet

XLNet: Generalized Autoregressive Pretraining for Language Understanding

deep-learning nlp tensorflow

Last synced: 13 Oct 2024

https://github.com/tensorflow/serving

A flexible, high-performance serving system for machine learning models

cpp deep-learning deep-neural-networks machine-learning ml neural-network python serving tensorflow

Last synced: 29 Oct 2024

https://github.com/thtrieu/darkflow

Translate darknet to tensorflow. Load trained weights, retrain/fine-tune using tensorflow, export constant graph def to mobile devices

convolutional-networks convolutional-neural-networks darknet deep-learning deep-neural-networks graph image-processing machine-learning mobile-development object-detection real-time tensorflow

Last synced: 13 Oct 2024

https://github.com/tensorflow/swift

Swift for TensorFlow

differentiable-programming machine-learning tensorflow

Last synced: 26 Sep 2024

https://github.com/tensorflow/docs

TensorFlow documentation

deep-learning deep-neural-networks documentation machine-learning tensorflow tensorflow-examples tensorflow-tutorials

Last synced: 29 Oct 2024

https://github.com/yandexdataschool/Practical_RL

A course in reinforcement learning in the wild

course-materials deep-learning deep-reinforcement-learning git-course hacktoberfest keras mooc pytorch pytorch-tutorials reinforcement-learning tensorflow

Last synced: 26 Oct 2024

https://github.com/yandexdataschool/practical_rl

A course in reinforcement learning in the wild

course-materials deep-learning deep-reinforcement-learning git-course hacktoberfest keras mooc pytorch pytorch-tutorials reinforcement-learning tensorflow

Last synced: 29 Oct 2024

https://github.com/aymericdamien/topdeeplearning

A list of popular github projects related to deep learning

deep-learning machine-learning pytorch tensorflow

Last synced: 10 Oct 2024

https://github.com/aymericdamien/TopDeepLearning

A list of popular github projects related to deep learning

deep-learning machine-learning pytorch tensorflow

Last synced: 25 Oct 2024

https://github.com/Microsoft/MMdnn

MMdnn is a set of tools to help users inter-operate among different deep learning frameworks. E.g. model conversion and visualization. Convert models between Caffe, Keras, MXNet, Tensorflow, CNTK, PyTorch Onnx and CoreML.

caffe cntk coreml darknet keras model-converter mxnet onnx pytorch tensorflow visualization

Last synced: 02 Nov 2024

https://github.com/microsoft/MMdnn

MMdnn is a set of tools to help users inter-operate among different deep learning frameworks. E.g. model conversion and visualization. Convert models between Caffe, Keras, MXNet, Tensorflow, CNTK, PyTorch Onnx and CoreML.

caffe cntk coreml darknet keras model-converter mxnet onnx pytorch tensorflow visualization

Last synced: 06 Nov 2024

https://github.com/microsoft/mmdnn

MMdnn is a set of tools to help users inter-operate among different deep learning frameworks. E.g. model conversion and visualization. Convert models between Caffe, Keras, MXNet, Tensorflow, CNTK, PyTorch Onnx and CoreML.

caffe cntk coreml darknet keras model-converter mxnet onnx pytorch tensorflow visualization

Last synced: 29 Oct 2024

https://github.com/szad670401/hyperlpr

基于深度学习高性能中文车牌识别 High Performance Chinese License Plate Recognition Framework.

android cpp deep-learning plate-recognition tensorflow

Last synced: 01 Nov 2024

https://github.com/jeffheaton/t81_558_deep_learning

T81-558: Keras - Applications of Deep Neural Networks @Washington University in St. Louis

convolutional-neural-networks deeplearning gan keras machine-learning neural-network tensorflow

Last synced: 29 Oct 2024

https://github.com/google/seq2seq

A general-purpose encoder-decoder framework for Tensorflow

deeplearning machine-translation neural-network tensorflow translation

Last synced: 26 Sep 2024

https://github.com/szad670401/HyperLPR

基于深度学习高性能中文车牌识别 High Performance Chinese License Plate Recognition Framework.

android cpp deep-learning plate-recognition tensorflow

Last synced: 27 Oct 2024

https://github.com/vespa-engine/vespa

AI + Data, online. https://vespa.ai

ai big-data cpp java machine-learning search-engine server serving serving-recommendation tensorflow vector-search vespa

Last synced: 28 Oct 2024

https://github.com/keras-rl/keras-rl

Deep Reinforcement Learning for Keras.

keras machine-learning neural-networks reinforcement-learning tensorflow theano

Last synced: 13 Oct 2024

https://github.com/cchen156/Learning-to-See-in-the-Dark

Learning to See in the Dark. CVPR 2018

python rawpy tensorflow

Last synced: 08 Nov 2024

https://github.com/cchen156/learning-to-see-in-the-dark

Learning to See in the Dark. CVPR 2018

python rawpy tensorflow

Last synced: 10 Oct 2024

https://github.com/google-deepmind/graph_nets

Build Graph Nets in Tensorflow

artificial-intelligence deep-learning graph-networks graphs neural-networks sonnet tensorflow

Last synced: 10 Oct 2024

https://github.com/deepmind/graph_nets

Build Graph Nets in Tensorflow

artificial-intelligence deep-learning graph-networks graphs neural-networks sonnet tensorflow

Last synced: 27 Aug 2024

https://github.com/aimhubio/aim

Aim 💫 — An easy-to-use & supercharged open-source experiment tracker.

ai data-science data-visualization experiment-tracking machine-learning metadata metadata-tracking ml mlflow mlops prompt-engineering python pytorch tensorboard tensorflow visualization

Last synced: 01 Nov 2024

https://github.com/mrdbourke/tensorflow-deep-learning

All course materials for the Zero to Mastery Deep Learning with TensorFlow course.

curriculum deep-learning deep-neural-networks tensorflow tensorflow-course tensorflow-tutorials tensorflow2

Last synced: 13 Oct 2024

https://github.com/tensorflow/rust

Rust language bindings for TensorFlow

machine-learning rust tensorflow

Last synced: 28 Oct 2024

https://github.com/ashnkumar/sketch-code

Keras model to generate HTML code from hand-drawn website mockups. Implements an image captioning architecture to drawn source images.

augmentation deep-learning image-processing keras tensorflow

Last synced: 13 Oct 2024

https://github.com/tensorspace-team/tensorspace

Neural network 3D visualization framework, build interactive and intuitive model in browsers, support pre-trained deep learning models from TensorFlow, Keras, TensorFlow.js

3d deep-learning keras machine-learning nerual-network tensorflow tfjs threejs visualization

Last synced: 13 Oct 2024

https://github.com/adap/flower

Flower: A Friendly Federated AI Framework

ai android artificial-intelligence cpp deep-learning federated-analytics federated-learning federated-learning-framework fleet-intelligence fleet-learning flower framework grpc ios machine-learning python pytorch raspberry-pi scikit-learn tensorflow

Last synced: 28 Oct 2024

https://github.com/transcranial/keras-js

Run Keras models in the browser, with GPU support using WebGL

deep-learning javascript keras machine-learning neural-networks tensorflow webgl

Last synced: 13 Oct 2024

https://github.com/minimaxir/textgenrnn

Easily train your own text-generating neural network of any size and complexity on any text dataset with a few lines of code.

deep-learning keras python tensorflow text-generation

Last synced: 13 Oct 2024

https://github.com/blei-lab/edward

A probabilistic programming language in TensorFlow. Deep generative models, variational inference.

bayesian-methods data-science deep-learning machine-learning neural-networks probabilistic-programming statistics tensorflow

Last synced: 13 Oct 2024

https://github.com/opensource9ja/danfojs

Danfo.js is an open source, JavaScript library providing high performance, intuitive, and easy to use data structures for manipulating and processing structured data.

danfojs data-analysis data-analytics data-manipulation data-science dataframe javascript pandas plotting-charts stream-data stream-processing table tensorflow tensors

Last synced: 14 Nov 2024

https://github.com/javascriptdata/danfojs

Danfo.js is an open source, JavaScript library providing high performance, intuitive, and easy to use data structures for manipulating and processing structured data.

danfojs data-analysis data-analytics data-manipulation data-science dataframe javascript pandas plotting-charts stream-data stream-processing table tensorflow tensors

Last synced: 13 Oct 2024

https://github.com/charlesq34/pointnet

PointNet: Deep Learning on Point Sets for 3D Classification and Segmentation

classification geometry-processing neural-network point-cloud segmentation tensorflow

Last synced: 13 Oct 2024

https://idealo.github.io/image-super-resolution/

🔎 Super-scale your images and run experiments with Residual Dense and Adversarial Networks.

aws computer-vision convolutional-neural-networks deep-learning docker e-commerce idealo image-processing image-super-resolution keras machine-learning neural-network nvidia-docker super-resolution tensorflow

Last synced: 14 Nov 2024

https://github.com/tensorflow/lucid

A collection of infrastructure and tools for research in neural network interpretability.

colab interpretability jupyter-notebook machine-learning tensorflow visualization

Last synced: 26 Sep 2024

https://github.com/oaid/tengine

Tengine is a lite, high performance, modular inference engine for embedded device

acl arm artificial-intelligence cnn container cuda machine-learning mips npu nvdla onnx pytorch riscv supperedge tensorflow tensorrt x86-64

Last synced: 15 Oct 2024

https://github.com/OAID/Tengine

Tengine is a lite, high performance, modular inference engine for embedded device

acl arm artificial-intelligence cnn container cuda machine-learning mips npu nvdla onnx pytorch riscv supperedge tensorflow tensorrt x86-64

Last synced: 27 Oct 2024

https://github.com/idealo/image-super-resolution

🔎 Super-scale your images and run experiments with Residual Dense and Adversarial Networks.

aws computer-vision convolutional-neural-networks deep-learning docker e-commerce idealo image-processing image-super-resolution keras machine-learning neural-network nvidia-docker super-resolution tensorflow

Last synced: 13 Oct 2024

https://github.com/Nyandwi/machine_learning_complete

A comprehensive machine learning repository containing 30+ notebooks on different concepts, algorithms and techniques.

computer-vision data-analysis data-science data-visualization datascience deep-learning keras machine-learning matplotlib neural-networks nlp numpy open-source pandas python scikit-learn seaborn tensorflow

Last synced: 05 Nov 2024

https://github.com/nyandwi/machine_learning_complete

A comprehensive machine learning repository containing 30+ notebooks on different concepts, algorithms and techniques.

computer-vision data-analysis data-science data-visualization datascience deep-learning keras machine-learning matplotlib neural-networks nlp numpy open-source pandas python scikit-learn seaborn tensorflow

Last synced: 10 Oct 2024

https://github.com/rasbt/python-machine-learning-book-3rd-edition

The "Python Machine Learning (3rd edition)" book code repository

deep-learning machine-learning scikit-learn tensorflow

Last synced: 13 Oct 2024

https://github.com/astorfi/TensorFlow-World

:earth_americas: Simple and ready-to-use tutorials for TensorFlow

computer-vision deep-learning machine-learning neural-network python tensorflow

Last synced: 28 Oct 2024

https://github.com/astorfi/tensorflow-world

:earth_americas: Simple and ready-to-use tutorials for TensorFlow

computer-vision deep-learning machine-learning neural-network python tensorflow

Last synced: 21 Oct 2024

https://github.com/google/tf-quant-finance

High-performance TensorFlow library for quantitative finance.

finance gpu gpu-computing high-performance high-performance-computing numerical-integration numerical-methods numerical-optimization python quantitative-finance quantlib tensorflow

Last synced: 29 Oct 2024

https://github.com/qubvel/segmentation_models

Segmentation models with pretrained backbones. Keras and TensorFlow Keras.

densenet efficientnet fpn image-segmentation keras keras-examples keras-models keras-tensorflow linknet mobilenet pre-trained pretrained pspnet resnet resnext segmentation segmentation-models tensorflow tensorflow-keras unet

Last synced: 13 Oct 2024

https://github.com/TachibanaYoshino/AnimeGAN

A Tensorflow implementation of AnimeGAN for fast photo animation ! This is the Open source of the paper 「AnimeGAN: a novel lightweight GAN for photo animation」, which uses the GAN framwork to transform real-world photos into anime images.

anime-images animegan hayao-style photo-animation tensorflow

Last synced: 12 Nov 2024

https://github.com/tachibanayoshino/animegan

A Tensorflow implementation of AnimeGAN for fast photo animation ! This is the Open source of the paper 「AnimeGAN: a novel lightweight GAN for photo animation」, which uses the GAN framwork to transform real-world photos into anime images.

anime-images animegan hayao-style photo-animation tensorflow

Last synced: 15 Oct 2024

https://github.com/hunkim/DeepLearningZeroToAll

TensorFlow Basic Tutorial Labs

keras lab mxnet python pytorch tensorflow tutorial

Last synced: 08 Nov 2024

https://github.com/hunkim/deeplearningzerotoall

TensorFlow Basic Tutorial Labs

keras lab mxnet python pytorch tensorflow tutorial

Last synced: 10 Oct 2024

https://github.com/BinRoot/TensorFlow-Book

Accompanying source code for Machine Learning with TensorFlow. Refer to the book for step-by-step explanations.

autoencoder book classification clustering convolutional-neural-networks linear-regression logistic-regression machine-learning regression reinforcement-learning tensorflow

Last synced: 27 Oct 2024

https://github.com/binroot/tensorflow-book

Accompanying source code for Machine Learning with TensorFlow. Refer to the book for step-by-step explanations.

autoencoder book classification clustering convolutional-neural-networks linear-regression logistic-regression machine-learning regression reinforcement-learning tensorflow

Last synced: 14 Oct 2024

https://github.com/ashishpatel26/Tools-to-Design-or-Visualize-Architecture-of-Neural-Network

Tools to Design or Visualize Architecture of Neural Network

alexnet cnn deeplearning keras machinelearning resnet resnet-50 semantic-segmentation tensorflow tensorflow2 tools visu visualization-neural-network visualize visualize-data visualize-networks

Last synced: 27 Oct 2024

https://github.com/ashishpatel26/tools-to-design-or-visualize-architecture-of-neural-network

Tools to Design or Visualize Architecture of Neural Network

alexnet cnn deeplearning keras machinelearning resnet resnet-50 semantic-segmentation tensorflow tensorflow2 tools visu visualization-neural-network visualize visualize-data visualize-networks

Last synced: 10 Oct 2024

https://github.com/apple/coremltools

Core ML tools contain supporting tools for Core ML model conversion, editing, and validation.

coreml coremltools machine-learning model-conversion model-converter pytorch tensorflow

Last synced: 28 Oct 2024

https://github.com/MorvanZhou/Tensorflow-Tutorial

Tensorflow tutorial from basic to hard, 莫烦Python 中文AI教学

autoencoder classification cnn deep-q-network dqn dropout gan generative-adversarial-network machine-learning neural-network regression rnn tensorflow tensorflow-tutorials tutorial

Last synced: 14 Nov 2024

https://github.com/morvanzhou/tensorflow-tutorial

Tensorflow tutorial from basic to hard, 莫烦Python 中文AI教学

autoencoder classification cnn deep-q-network dqn dropout gan generative-adversarial-network machine-learning neural-network regression rnn tensorflow tensorflow-tutorials tutorial

Last synced: 10 Oct 2024

https://github.com/sjvasquez/handwriting-synthesis

Handwriting Synthesis with RNNs ✏️

handwriting-generation handwriting-synthesis recurrent-neural-networks tensorflow

Last synced: 14 Oct 2024

https://github.com/tencent/tnn

TNN: developed by Tencent Youtu Lab and Guangying Lab, a uniform deep learning inference framework for mobile、desktop and server. TNN is distinguished by several outstanding features, including its cross-platform capability, high performance, model compression and code pruning. Based on ncnn and Rapidnet, TNN further strengthens the support and performance optimization for mobile devices, and also draws on the advantages of good extensibility and high performance from existed open source efforts. TNN has been deployed in multiple Apps from Tencent, such as Mobile QQ, Weishi, Pitu, etc. Contributions are welcome to work in collaborative with us and make TNN a better framework.

coreml deep-learning face-detection hairsegmentaion inference mnn ncnn ocr openvino pytorch tengine tensorflow tensorrt

Last synced: 09 Oct 2024

https://github.com/Tencent/TNN

TNN: developed by Tencent Youtu Lab and Guangying Lab, a uniform deep learning inference framework for mobile、desktop and server. TNN is distinguished by several outstanding features, including its cross-platform capability, high performance, model compression and code pruning. Based on ncnn and Rapidnet, TNN further strengthens the support and performance optimization for mobile devices, and also draws on the advantages of good extensibility and high performance from existed open source efforts. TNN has been deployed in multiple Apps from Tencent, such as Mobile QQ, Weishi, Pitu, etc. Contributions are welcome to work in collaborative with us and make TNN a better framework.

coreml deep-learning face-detection hairsegmentaion inference mnn ncnn ocr openvino pytorch tengine tensorflow tensorrt

Last synced: 27 Oct 2024

https://github.com/datawhalechina/fun-rec

推荐系统入门教程，在线阅读地址：https://datawhalechina.github.io/fun-rec/

algorithm-engineering deep-learning interview-questions machine-learning recommendation-algorithms recommender-system tensorflow tianchi-competition

Last synced: 14 Oct 2024

https://github.com/PipelineAI/pipeline

PipelineAI

airflow artificial-intelligence cassandra docker gpu kafka keras kubeflow kubernetes machine-learning neural-network pipelineai pytorch redis scikit-learn spark tensorflow tfx

Last synced: 30 Oct 2024

https://github.com/pipelineai/pipeline

PipelineAI

airflow artificial-intelligence cassandra docker gpu kafka keras kubeflow kubernetes machine-learning neural-network pipelineai pytorch redis scikit-learn spark tensorflow tfx

Last synced: 10 Oct 2024

https://github.com/fluxcapacitor/pipeline

PipelineAI

airflow artificial-intelligence cassandra docker gpu kafka keras kubeflow kubernetes machine-learning neural-network pipelineai pytorch redis scikit-learn spark tensorflow tfx

Last synced: 06 Sep 2024

https://github.com/tensorflow/datasets

TFDS is a collection of datasets ready to use with TensorFlow, Jax, ...

data dataset datasets jax machine-learning numpy tensorflow

Last synced: 29 Oct 2024

https://github.com/tensorflow/probability

Probabilistic reasoning and statistical analysis in TensorFlow

bayesian-methods data-science deep-learning machine-learning neural-networks probabilistic-programming statistics tensorflow

Last synced: 28 Oct 2024

https://github.com/balancap/SSD-Tensorflow

Single Shot MultiBox Detector in TensorFlow

deep-learning object-detection ssd tensorflow yolo

Last synced: 06 Nov 2024

https://github.com/deepjavalibrary/djl

An Engine-Agnostic Deep Learning Framework in Java

ai autograd deep-learning deep-neural-networks djl java machine-learning ml mxnet neural-network onnxruntime pytorch tensorflow

Last synced: 29 Oct 2024

https://github.com/huawei-noah/Efficient-AI-Backbones

Efficient AI Backbones including GhostNet, TNT and MLP, developed by Huawei Noah's Ark Lab.

convolutional-neural-networks efficient-inference ghostnet imagenet model-compression pretrained-models pytorch tensorflow transformer vision-transformer

Last synced: 28 Oct 2024

https://github.com/huawei-noah/efficient-ai-backbones

Efficient AI Backbones including GhostNet, TNT and MLP, developed by Huawei Noah's Ark Lab.

convolutional-neural-networks efficient-inference ghostnet imagenet model-compression pretrained-models pytorch tensorflow transformer vision-transformer

Last synced: 14 Oct 2024

https://github.com/pqpo/SmartCropper

🔥 A library for cropping image in a smart way that can identify the border and correct the cropped image. 智能图片裁剪框架。自动识别边框，手动调节选区，使用透视变换裁剪并矫正选区；适用于身份证，名片，文档等照片的裁剪。

detection hed-net image image-cropper opencv pytorch smartcropper tensorflow

Last synced: 12 Nov 2024

https://github.com/pqpo/smartcropper

🔥 A library for cropping image in a smart way that can identify the border and correct the cropped image. 智能图片裁剪框架。自动识别边框，手动调节选区，使用透视变换裁剪并矫正选区；适用于身份证，名片，文档等照片的裁剪。

detection hed-net image image-cropper opencv pytorch smartcropper tensorflow