vault backup: 2023-12-27 21:56:22
Affected files: .obsidian/graph.json .obsidian/workspace-mobile.json .obsidian/workspace.json Languages/Spanish/Spanish.md STEM/AI/Classification/Classification.md STEM/AI/Classification/Decision Trees.md STEM/AI/Classification/Logistic Regression.md STEM/AI/Classification/Random Forest.md STEM/AI/Classification/Supervised/SVM.md STEM/AI/Classification/Supervised/Supervised.md STEM/AI/Neural Networks/Activation Functions.md STEM/AI/Neural Networks/CNN/CNN.md STEM/AI/Neural Networks/CNN/GAN/DC-GAN.md STEM/AI/Neural Networks/CNN/GAN/GAN.md STEM/AI/Neural Networks/Deep Learning.md STEM/AI/Neural Networks/Properties+Capabilities.md STEM/AI/Neural Networks/SLP/Perceptron Convergence.md
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---
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---
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tags:
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tags:
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- ai
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- ai
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- classification
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---
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---
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*Given an observation, determine one class from a set of classes that best explains the observation*
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*Given an observation, determine one class from a set of classes that best explains the observation*
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---
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---
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tags:
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tags:
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- ai
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- ai
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- classification
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---
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---
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- Flowchart like design
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- Flowchart like design
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- Iterative decision making
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- Iterative decision making
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---
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tags:
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- ai
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- ai
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- classification
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---
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---
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“hello world”
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“hello world”
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Related to naïve bayes
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Related to naïve bayes
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---
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---
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tags:
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- classification
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---
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---
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“Almost always the second best algorithm for any shallow ML task”
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“Almost always the second best algorithm for any shallow ML task”
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---
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tags:
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- ai
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- ai
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- classification
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---
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---
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[Towards Data Science: SVM](https://towardsdatascience.com/support-vector-machines-svm-c9ef22815589)
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[Towards Data Science: SVM](https://towardsdatascience.com/support-vector-machines-svm-c9ef22815589)
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[Towards Data Science: SVM an overview](https://towardsdatascience.com/https-medium-com-pupalerushikesh-svm-f4b42800e989)
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[Towards Data Science: SVM an overview](https://towardsdatascience.com/https-medium-com-pupalerushikesh-svm-f4b42800e989)
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---
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---
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tags:
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tags:
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- ai
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- ai
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- classification
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---
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---
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# Gaussian Classifier
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# Gaussian Classifier
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![relu](../../img/relu.png)
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![relu](../../img/relu.png)
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# SoftMax
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# SoftMax
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- Output is per-class vector of likelihoods
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- Output is per-class vector of likelihoods #classification
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- Should be normalised into probability vector
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- Should be normalised into probability vector
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## AlexNet
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## AlexNet
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# As a Descriptor
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# As a Descriptor
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- Most powerful as a deeply learned feature extractor
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- Most powerful as a deeply learned feature extractor
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- [Dense](../MLP/MLP.md) classifier at the end isn't fantastic
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- [Dense](../MLP/MLP.md) [classifier](../../Classification/Classification.md) at the end isn't fantastic
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- Use SVM to classify prior to penultimate layer
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- Use SVM to classify prior to penultimate layer #classification
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![cnn-descriptor](../../../img/cnn-descriptor.png)
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![cnn-descriptor](../../../img/cnn-descriptor.png)
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- Input random noise
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- Input random noise
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- Iteratively improves visual feasibility
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- Iteratively improves visual feasibility
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- Different to [FCN](../FCN/FCN.md)
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- Different to [FCN](../FCN/FCN.md)
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- Discriminator is a task specific classifier
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- Discriminator is a task specific classifier #classification
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- Difficult to train over diverse footage
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- Difficult to train over diverse footage
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- Mixing concepts doesn't work
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- Mixing concepts doesn't work
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- Single category/class
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- Single category/class
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- Synthesise 'fake' images
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- Synthesise 'fake' images
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- From noise
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- From noise
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## Discriminator, D
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## Discriminator, D
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- Discriminator is a classifier
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- Discriminator is a classifier #classification
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- Is image fake or real
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- Is image fake or real
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![gan-arch](../../../../img/gan-arch.png)
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![gan-arch](../../../../img/gan-arch.png)
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- ai
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- ai
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---
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---
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![deep-digit-classification](../../img/deep-digit-classification.png)
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![deep-digit-classification](../../img/deep-digit-classification.png)
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#classification
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OCR [Classification](../Classification/Classification.md)
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OCR [Classification](../Classification/Classification.md)
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- Number of connections becomes prohibitively large
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- Number of connections becomes prohibitively large
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2. Invariance by Training
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2. Invariance by Training
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- Train on different views/transformations
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- Train on different views/transformations
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- Take advantage of inherent pattern classification abilities
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- Take advantage of inherent pattern #classification abilities
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- Training for invariance for one object is not necessarily going to train other classes for invariance
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- Training for invariance for one object is not necessarily going to train other classes for invariance
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- Extra load on network to do more training
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- Extra load on network to do more training
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- Exacerbated with high dimensionality
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- Exacerbated with high dimensionality
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- ai
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- ai
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Error-Correcting Perceptron Learning
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Error-Correcting Perceptron Learning
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