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1 What is SOL4Py
1.1 SOL4Py
SOL4Py is a tiny Python class library for Python, PyQt, OpenCV, and ML.
The basic class design of SOL4Py is based on that of our SOL9 C++ library. In order to develop our library, we have used the latest Python3.6, PyQt5, and OpenCV-4.2.0 on Windows 10 Version 1903. We have tested the sample programs on Windows 10 only, but you may run them on Linux environment too, provided you install required Python, PyQt, OpenCV modules on Linux.

To develop SOL4Py library, we created a virtual environment tflow for tensorflow and installed the following libraries on python 3.6.5 (Windows x86-64 executable installer) Prompt of Windows10 Version 1903.

; 20200224 Modified to use python 3.6.5 (64-bit) instead of Anaconda3.
; Create a virtual env tflow
python -m venv tflow
cd tflow
scripts/activate

pip install opencv-python
pip install PyQt5
pip install pandas
pip install matplotlib
pip install seaborn
pip install pydotplus
pip install qimage2ndarray
pip install sklearn
pip install xgboost
pip install LightGBM
;2020/02/24 Modified to install tensorflow==1.5.0
pip install tensorflow==1.5.0
pip install keras==2.2.4
pip install cx_Oracle
pip install pydot
pip install PyOpenGL
pip install graphviz
; https://github.com/pytorch/pytorch/issues/19406
pip install torch==1.2.0+cpu torchvision==0.4.2+cpu -f https://download.pytorch.org/whl/torch_stable.html
pip install pycryptodome
pip install mysql-connector-python
; 20200224 Maybe you have to install pillow version like this
; to avoid ImportError: cannot import name 'PILLOW_VERSION'
pip install pillow==6.2.1
;To avoid Future warning, pip install numpy==1.16.0
pip install numpy==1.16.0

DetectionTransformer: Added 2020/08/20
We have downloaded DETR, which is a repository contains a list of Facebook DETR, and built an inference-environment to detect objects in an image by using a pretrained model.

For details, see DetectionTransformer.

EfficientDetector: Updated 2020/08/15
We have downloaded Google Brain AutoML, which is a repository contains a list of AutoML related models and libraries, and built an inference-environment to detect an image by using the model "efficientdet-d0".

For details, see EfficientDetector.

YOLOv3:
We have downloaded keras-yolo3, which is a python binding of YOLO: Real-Time Object Detection, and built a runtime-environment keras-yolo3 under SOL4Py-2 folder.

See a sample program YoloObjectDetector to detect objects in an image.

See a sample program CustomYoloObjectDetector. See also an another program DetectedObjectHTMLFileGenerator for keras-yolo3.

SSD:
We have downloaded ssd_keras, which is an SSD300v2 keras implementation of SSD: Single Shot MultiBox Detector, and built a runtime-environment ssd_keras under SOL4Py-2 folder.

See a sample program SSDDetector to detect objects in an image.

See also an another program SSDDetectedObjectHTMLFileGenerator for SSD300.

YOLOv3 vs SSD:
For comparison, please see the following three pages:

DetectedObjectHTMLFileGenerator for keras-yolo3

DetectedObjectHTMLFileGenerator for YOLOv3

SSDDetectedObjectHTMLFileGenerator for ssd_keras SSD300

YOLOv3 seems to have a much better detection ability than SSD300 apart from the processing time.

NEW: Crypto classes
We have implemented some wrapper classes to Cipher classes(AES and ChaCha20) of pycrytodome package.

NEW: Generator classes
We have implemented some generator classes(ZEmailAddressGenerator, ZPasswordGenerator and ZTokenGenerator), By using those classes, you can generate a lot of fake personal data (personally identifiable information (PII)).

NEW: MySQLDB classes
We have implemented some wrapper classes to MySQL(ZMySQLDB, ZThreadedMySQLConnection) based on mysql-connector-python.

1.2 Download SOL4Py Library

Download: SOL4Py-3.2 Class Library for Python (Library & Samples) #2020.01.27)

If you love github.com, please visit https://github.com/atlan-antillia/sol4py and clone the library so4py in the following way:

git clone https://github.com/atlan-antillia/sol4py.git/