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Official Python implementation for XVis Toolbox release with the book Computer Vision for X-Ray Testing.

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# py-XVis

Python implementation for XVis Toolbox release with the book Computer Vision for X-Ray Testing. Originally implemented 
in Matlab by Domingo Mery for the first edition of the book. This package is part of the second edition of the book 
Computer Vision for X-Ray Testing (November 2020).

# Requirements

- Python 3.6 or higher
- numpy < 1.19
- matplotlib >= 3.3.2
- scipy >= 1.5.2
- pyqt5 >= 5.15.1
- pybalu >= 0.2.9
- opencv-python = 3.4.2
- opencv-contrib-python = 3.4.2
- tensorflow >= 2.3.1 
- scikit-learn >= 0.23.2
- scikit-image >= 0.17.2
- pandas >= 1.1.2

# Instalation
The package is part of the Python Index (PyPi). Installation is available by pip:

`pip install pyxvis`

# Interactive Examples

All examples in the Book have been implemented in Jupyter Notebooks tha run on Google Colab.

## Chapter 01: X-ray Testing [![Open In Colab](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/drive/1YQ24KY_Mg-LNX7AgxVnFJeUHSxu1ElD4?usp=sharing)

* Example 1.1: Displaying X-ray images
* Example 1.2: Dual Energy
* Example 1.3: Help of PyXvis functions

## Chapter 02: Images for X-ray Testing [![Open In Colab](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/drive/1l4FoZ8-WzeQW4JskRguKH6Y4OZoysZbY?usp=sharing)

* Example 2.1: Displaying an X-ray image of GDXray

## Chapter 03: Geometry in X-ray Testing [![Open In Colab](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/drive/1bN2jI_DLviKk7ch3lxiZu-lHF1z1cOe_?usp=sharing)

* Example 3.1: Euclidean 2D transformation
* Example 3.2: Euclidean 3D transformation
* Example 3.3: Perspective projection
* Example 3.4: Cubic model for distortion correction
* Example 3.5: Hyperbolic model for imaging projection
* Example 3.6: Geometric calibration
* Example 3.7: Epipolar geometry
* Example 3.8: Trifocal geometry
* Example 3.9: 3D reconstruction

## Chapter 04: X-ray Image Processing [![Open In Colab](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/drive/1LVO02lJy23HtQ1WACwlwHS3lMdCM6JDy?usp=sharing)

* Example 4.1: Aritmetic average of images
* Example 4.2: Contrast enhancement
* Example 4.3: Shading correction
* Example 4.4: Detection of defects using median filtering
* Example 4.5: Edge detection using gradient operation
* Example 4.6: Edge detection with LoG
* Example 4.7: Segmentation of bimodal images
* Example 4.8: Welding inspection using adaptive thresholding
* Example 4.9: Region growing
* Example 4.10: Defects detection using LoG approach
* Example 4.11: Segmentation using MSER
* Example 4.12: Image restoration

## Chapter 05: X-ray Image Representation [![Open In Colab](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/drive/1dwGTGHA1CR1om3MirGX5VCVhQgVc-g3-?usp=sharing)

* Example 5.1: Geometric features
* Example 5.2: Elliptical features
* Example 5.3: Invariant moments
* Example 5.4: Intenisty features
* Example 5.5: Defect detection usin contrast features
* Example 5.6: Crossing line profiles (CLP)
* Example 5.7: SIFT
* Example 5.8: Feature selection
* Example 5.9: Example using intenisty features
* Example 5.10: Example using geometric features

## Chapter 06: Classification in X-ray Testing [![Open In Colab](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/drive/1zGx0HpAt7EtOiORXkTluOPDW4w5alNSj?usp=sharing)

* Example 6.1: Basic classification example
* Example 6.2: Minimal distance (dmin)
* Example 6.3: Bayes
* Example 6.4: Mahalanobis, LDA and QDA
* Example 6.5: KNN
* Example 6.6: Neural networks
* Example 6.7: Support Vector Machines (SVM)
* Example 6.8: Training and testing many classifiers
* Example 6.9: Hold-out
* Example 6.10: Cross-validation
* Example 6.11: Confusion matrix
* Example 6.12: ROC and Precision-Recall curves
* Example 6.13: Example with intensity features
* Example 6.14: Example with geometric features

## Chapter 07: Deep Learing in X-ray Testing

* Example 7.1: Basic neural networks (from skratch) [![Open In Colab](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/drive/1Ohs0hBDu5zRtNagbqBCJV6fmxq63CxS6?usp=sharing)

* Example 7.2: Neural network using sklearn [![Open In Colab](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/drive/1Ohs0hBDu5zRtNagbqBCJV6fmxq63CxS6?usp=sharing)

* Example 7.3: Convolutional Neural Network [![Open In Colab](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/drive/1nI3AABdBJKdT680L-ouUwX3ywpajv8bC?usp=sharing)

* Example 7.4: Pre-trained models [![Open In Colab](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/drive/1JA3sgXqDHN7gkAdv1dRa-a-IgsArAA2M?usp=sharing)

* Example 7.5: Fine tunning [![Open In Colab](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/drive/1iC_XLsyBru3I2RpJot8YCGt_AbQNw3mz?usp=sharing)

* Example 7.6: Generative Adversarial Networks (GANs) [![Open In Colab](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/drive/1Bv9wptpLuxjXxcx6UQmPGtLdZvx949iU?usp=sharing)

* Example 7.7: Object detection using YOLOv3 [![Open In Colab](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/drive/1TUBRa4kal-chsQHvstIL2ZeNZ24PJotC?usp=sharing)

* Example 7.8: Object detection using YOLOv4 [![Open In Colab](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/drive/1S07jBiG1No6cq2mx8XnEV0XuToljpxs_?usp=sharing)

* Example 7.9: Object detection using YOLOv5 [![Open In Colab](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/drive/1D6j2bk5uzUIJE0MQXjiyEDvh9wEEmDUJ?usp=sharing)

* Example 7.10: Object detection using EfficientDet [![Open In Colab](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/drive/1EmTQ02IwXmJQ7082ooh834IYyQyxZcAL?usp=sharing)

* Example 7.11: Object detection using RetinaNet [![Open In Colab](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/drive/1H7HnECaEuPIwIGWQb2vRu-eUx1LGkaa_?usp=sharing)

* Example 7.12: Object detection using DETR [![Open In Colab](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/drive/1vuzCI6zE8KD3xuaS1lsCFkZKdd6NBDcY?usp=sharing)

* Example 7.13: Object detection using SSD [![Open In Colab](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/drive/1PFlw9MA5z7vsUvYCA1H83bLtZRW5Zxp2?usp=sharing)

## Chapter 08: Simulation in X-ray Testing [![Open In Colab](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/drive/1s7bKncSrQhIq_kW0qO3JvUOyyK8rfp3Q?usp=sharing)

* Example 8.1: Basic simulation using voxels
* Example 8.2: Simulation of defects using mask
* Example 8.3: Simulation of ellipsoidal defects
* Example 8.4: Superimposition of threat objects

## Chapter 09: Applications in X-ray Testing

* Example 9.1: Defect detection in castings [![Open In Colab](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/drive/1FLyUEYrevSu3RbZQaoPsd2BMG4MvRew0?usp=sharing)

* Example 9.2: Defect detection in welds [![Open In Colab](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/drive/1mFiaoEsuhAEQoev_jgPEv35G1lIt55F8?usp=sharing)

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