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  • 12:19, 19 March 2023 Walle talk contribs created page Subsampling (Created page with "{{see also|Machine learning terms}} ==Definition== Subsampling, also known as '''downsampling''', is a technique used in machine learning and statistics to reduce the size of a dataset by selecting a smaller representative subset of the data. This process is applied to decrease the computational complexity and memory requirements of machine learning algorithms, while maintaining the quality of the obtained results. Subsampling is especially useful when dealing wi...")
  • 12:19, 19 March 2023 Walle talk contribs created page Stride (Created page with "{{see also|Machine learning terms}} ==Introduction== In machine learning, '''stride''' refers to a parameter that determines the step size used during the convolution or pooling process in convolutional neural networks (CNNs). Stride plays a critical role in managing the spatial dimensions of feature maps, which can directly affect the model's efficiency and computational requirements. This article will explain the concept of stride, its role in CNNs, and its impact...")
  • 12:18, 19 March 2023 Walle talk contribs created page Spatial pooling (Created page with "{{see also|Machine learning terms}} ==Spatial Pooling in Machine Learning== Spatial pooling, also known as spatial subsampling, is a technique utilized in various machine learning algorithms, particularly in the field of Convolutional Neural Networks (CNNs). It is designed to reduce the spatial dimensions of feature maps while retaining significant information. Spatial pooling is essential in creating a more compact representation of the input data, which consequentl...")
  • 12:18, 19 March 2023 Walle talk contribs created page Size invariance (Created page with "{{see also|Machine learning terms}} ==Size Invariance in Machine Learning== Size invariance is a property of machine learning models and algorithms that allows them to be robust to variations in the size or scale of input data. This property is particularly important in tasks such as image recognition and object detection, where the same object may appear in different sizes and scales within the input data. Achieving size invariance can greatly improve the generalization...")
  • 12:18, 19 March 2023 Walle talk contribs created page Sequence model (Created page with "{{see also|Machine learning terms}} ==Sequence Models in Machine Learning== Sequence models in machine learning are a class of computational models that deal with data represented as sequences or time series. These models are designed to capture the underlying patterns, dependencies, and structures in sequential data, which can be critical for tasks such as natural language processing, speech recognition, and time series forecasting. ===Types of Sequence Models=== There...")
  • 12:18, 19 March 2023 Walle talk contribs created page Rotational invariance (Created page with "{{see also|Machine learning terms}} ==Rotational Invariance in Machine Learning== Rotational invariance, in the context of machine learning, refers to the ability of a model or algorithm to recognize and accurately process data regardless of the orientation or rotation of the input. This property is particularly important in computer vision and pattern recognition tasks, where the same object or pattern can appear in different orientations within the input data. ===Back...")
  • 12:18, 19 March 2023 Walle talk contribs created page Recurrent neural network (Created page with "{{see also|Machine learning terms}} ==Recurrent Neural Network== A '''recurrent neural network''' ('''RNN''') is a class of artificial neural network designed to model sequential data by maintaining an internal state that can persist information across time steps. RNNs are particularly effective in tasks that involve time series data or sequences, such as natural language processing, speech recognition, and time series prediction. ===Structure and Function=== Recurr...")
  • 12:18, 19 March 2023 Walle talk contribs created page Pooling (Created page with "{{see also|Machine learning terms}} ==Pooling in Machine Learning== Pooling is a technique employed in the field of machine learning, specifically in the context of convolutional neural networks (CNNs). The primary goal of pooling is to reduce the spatial dimensions of input data, while maintaining essential features and reducing computational complexity. It is an essential component in the processing pipeline of CNNs and aids in achieving translational invariance, w...")
  • 12:17, 19 March 2023 Walle talk contribs created page Hierarchical clustering (Created page with "{{see also|Machine learning terms}} ==Introduction== Hierarchical clustering is a method of cluster analysis in machine learning and statistics used to group similar objects into clusters based on a measure of similarity or distance between them. This approach organizes data into a tree-like structure, called a dendrogram, that represents the nested hierarchical relationships among the clusters. Hierarchical clustering can be categorized into two primary appr...")
  • 12:17, 19 March 2023 Walle talk contribs created page Gradient clipping (Created page with "{{see also|Machine learning terms}} ==Gradient Clipping in Machine Learning== Gradient clipping is a technique employed in machine learning, specifically during the training of deep neural networks, to mitigate the effect of exploding gradients. Exploding gradients occur when the gradients of the model parameters become excessively large, leading to instabilities and impairments in the learning process. Gradient clipping aids in the regularization of the learning process...")
  • 12:17, 19 March 2023 Walle talk contribs created page Forget gate (Created page with "{{see also|Machine learning terms}} ==Forget Gate in Machine Learning== The '''forget gate''' is an essential component in machine learning models, particularly in Long Short-Term Memory (LSTM) neural networks. The primary function of the forget gate is to control the flow of information, enabling the network to learn long-term dependencies by regulating which information to retain or discard from the previous time step. This capability is crucial for sequence-to-sequenc...")
  • 12:17, 19 March 2023 Walle talk contribs created page Exploding gradient problem (Created page with "{{see also|Machine learning terms}} ==Exploding Gradient Problem== The exploding gradient problem is a phenomenon encountered in the training of certain types of artificial neural networks, particularly deep networks and recurrent neural networks (RNNs). This problem occurs when the gradients of the loss function with respect to the model's parameters grow exponentially during the backpropagation process, leading to unstable learning dynamics and suboptimal model per...")
  • 12:17, 19 March 2023 Walle talk contribs created page Divisive clustering (Created page with "{{see also|Machine learning terms}} ==Divisive Clustering== Divisive clustering, also referred to as "top-down" clustering, is a hierarchical clustering method employed in machine learning and data analysis. It involves recursively partitioning a dataset into smaller subsets, where each subset represents a cluster. This process starts with a single cluster encompassing all data points and proceeds by iteratively dividing the clusters until a certain stopping criterion is...")
  • 12:17, 19 March 2023 Walle talk contribs created page Clustering (Created page with "{{see also|Machine learning terms}} ==Introduction== '''Clustering''' is a technique in the field of machine learning and data mining that involves the grouping of similar data points or objects into clusters, based on some form of similarity or distance metric. The goal of clustering is to identify underlying patterns or structures in data, enabling efficient data representation, classification, and interpretation. Clustering is an unsupervised learning method,...")
  • 12:16, 19 March 2023 Walle talk contribs created page Centroid (Created page with "{{see also|Machine learning terms}} ==Centroid in Machine Learning== The '''centroid''' is a central concept in machine learning, particularly in the realm of clustering algorithms. It is a geometrical point that represents the average of all data points in a particular cluster or group. Centroids are used to calculate the similarity or distance between data points, which helps in grouping similar data points together and separating dissimilar ones. ===Definition=== In...")
  • 12:16, 19 March 2023 Walle talk contribs created page Centroid-based clustering (Created page with "{{see also|Machine learning terms}} ==Introduction== Centroid-based clustering is a class of machine learning algorithms that group data points into clusters based on the similarity of their features. These algorithms rely on the computation of centroids, which represent the central points of clusters in the feature space. The most well-known centroid-based clustering algorithm is the K-means algorithm. ==Centroid-based Clustering Algorithms== Centroid-based clu...")
  • 12:15, 19 March 2023 Walle talk contribs created page RNN (Created page with "{{see also|Machine learning terms}} ==Introduction== In the field of machine learning, '''Recurrent Neural Networks''' ('''RNNs''') are a class of artificial neural networks that are designed to process sequences of data. RNNs have gained significant popularity in recent years, particularly for tasks involving natural language processing, time series analysis, and speech recognition. Unlike traditional feedforward neural networks, RNNs possess a unique architecture t...")
  • 12:13, 19 March 2023 Walle talk contribs created page Long Short-Term Memory (LSTM) (Created page with "{{see also|Machine learning terms}} ==Introduction== Long Short-Term Memory (LSTM) is a type of recurrent neural network (RNN) architecture designed to address the limitations of traditional RNNs in learning long-term dependencies. LSTM networks were introduced by Hochreiter and Schmidhuber in 1997<ref name="Hochreiter1997">{{Cite journal|last1=Hochreiter|first1=Sepp|last2=Schmidhuber|first2=Jürgen|title=Long short-term memory|journal=Neural Computation|date=1997|volume...")
  • 12:13, 19 March 2023 Walle talk contribs created page LSTM (Created page with "{{see also|Machine learning terms}} ==Introduction== Long Short-Term Memory (LSTM) is a type of recurrent neural network (RNN) architecture that is specifically designed to handle long-range dependencies in sequential data. It was first introduced by Sepp Hochreiter and Jürgen Schmidhuber in 1997 to address the limitations of traditional RNNs, such as the vanishing gradient problem. LSTMs have since become a popular choice for various applications in machine lea...")
  • 06:24, 19 March 2023 Walle talk contribs created page Trajectory (Created page with "{{see also|Machine learning terms}} ==Trajectory in Machine Learning== Trajectory in machine learning refers to the sequence of decisions, actions, and states that a model undergoes as it learns to solve a particular problem. The concept of trajectory is especially important in the context of reinforcement learning and optimization algorithms, where an agent iteratively refines its knowledge and actions in order to achieve better performance. ===Reinforcement Le...")
  • 06:24, 19 March 2023 Walle talk contribs created page Termination condition (Created page with "{{see also|Machine learning terms}} ==Termination Condition in Machine Learning== In the field of machine learning, a termination condition, also known as stopping criterion, refers to a set of predefined criteria that determines when an optimization algorithm should cease its search for the optimal solution. Termination conditions are essential to prevent overfitting, underfitting, and excessive computational resources consumption. They help ensure that the learning...")
  • 06:24, 19 March 2023 Walle talk contribs created page Target network (Created page with "{{see also|Machine learning terms}} ==Introduction== In the field of machine learning, a '''target network''' is a critical component of certain algorithms, primarily used to improve the stability of learning processes. It is predominantly associated with reinforcement learning methods, such as Deep Q-Networks (DQN). This article discusses the purpose and significance of target networks, along with the principles guiding their function and their role in stabilizing l...")
  • 06:24, 19 March 2023 Walle talk contribs created page Tabular Q-learning (Created page with "{{see also|Machine learning terms}} ==Introduction== Tabular Q-learning is a fundamental reinforcement learning algorithm used in the field of machine learning. It is a value-based approach that helps agents learn optimal policies through interaction with their environment. The algorithm aims to estimate the expected cumulative reward or ''value'' for each state-action pair in a discrete environment. ==Q-learning Algorithm== Q-learning is a model-free, off-polic...")
  • 06:24, 19 March 2023 Walle talk contribs created page State (Created page with "{{see also|Machine learning terms}} ==State in Machine Learning== State in machine learning refers to the internal representation of information or data that a model uses to make decisions or predictions. In the context of machine learning, a state is a snapshot of the variables, parameters, and information at a given point in time, during the learning or inference process. This state is crucial in determining the subsequent actions or decisions made by the model. ===Ty...")
  • 06:24, 19 March 2023 Walle talk contribs created page State-action value function (Created page with "{{see also|Machine learning terms}} ==State-Action Value Function in Machine Learning== In the field of machine learning, particularly in the area of reinforcement learning, the state-action value function, often denoted as Q(s, a), is a crucial concept that helps agents learn optimal behavior by quantifying the expected return or long-term value of taking a specific action a in a given state s. ===Definition=== The state-action value function, or Q-function, is formall...")
  • 06:23, 19 March 2023 Walle talk contribs created page Reward (Created page with "{{see also|Machine learning terms}} ==Reward in Machine Learning== In the field of machine learning, the concept of '''reward''' plays a crucial role in the process of learning from interaction with the environment. Reward is used as a measure of success, guiding the learning process in reinforcement learning algorithms. The objective of reinforcement learning algorithms is to maximize the cumulative reward over time. This allows the learning agent to evaluate it...")
  • 06:23, 19 March 2023 Walle talk contribs created page Return (Created page with "{{see also|Machine learning terms}} ==Return in Machine Learning== In the context of machine learning, the term "return" refers to the cumulative reward or outcome of a series of decisions or actions taken by an agent in a reinforcement learning (RL) environment. Reinforcement learning is a subfield of machine learning in which an agent learns to make decisions by interacting with an environment to achieve a certain goal, such as maximizing a reward function. The return...")
  • 06:23, 19 March 2023 Walle talk contribs created page Replay buffer (Created page with "{{see also|Machine learning terms}} ==Introduction== In the realm of machine learning, the '''replay buffer''' is a crucial component in a specific class of algorithms known as reinforcement learning (RL). Reinforcement learning is a branch of machine learning that involves training an agent to learn an optimal behavior by interacting with its environment, where it receives feedback in the form of rewards or penalties. The replay buffer is primarily used in a cla...")
  • 06:23, 19 March 2023 Walle talk contribs created page Reinforcement learning (RL) (Created page with "{{see also|Machine learning terms}} ==Introduction== Reinforcement learning (RL) is a subfield of machine learning that focuses on training algorithms to make decisions by interacting with an environment. The primary objective in RL is to learn an optimal behavior or strategy, often called a ''policy'', which enables an agent to maximize its cumulative reward over time. RL algorithms are characterized by the use of trial-and-error and delayed feedback, making them pa...")
  • 06:23, 19 March 2023 Walle talk contribs created page Random policy (Created page with "{{see also|Machine learning terms}} ==Introduction== A random policy, in the context of machine learning, refers to a decision-making process where actions are selected with equal probability, regardless of the state or history of the environment. This approach is typically used as a baseline in reinforcement learning, to compare the performance of more sophisticated policies that attempt to learn the optimal strategy for a given problem. In this article, we will discuss...")
  • 06:23, 19 March 2023 Walle talk contribs created page Landmarks (Created page with "{{see also|Machine learning terms}} ==Introduction== In machine learning, the term "landmarks" is often used in the context of manifold learning and dimensionality reduction techniques, where the goal is to uncover the underlying structure of high-dimensional data by representing it in a lower-dimensional space. One popular method for achieving this is by using landmark-based methods, which rely on a set of carefully selected reference points (i.e., landmarks) to capture...")
  • 06:22, 19 March 2023 Walle talk contribs created page Keypoints (Created page with "{{see also|Machine learning terms}} ==Keypoints in Machine Learning== In the field of machine learning, keypoints play an essential role in facilitating the understanding and analysis of data. These distinctive, informative points in data serve as important elements in various machine learning applications, such as image recognition, computer vision, and natural language processing. ===Definition=== Keypoints, also known as interest points or salient points, are unique...")
  • 06:22, 19 March 2023 Walle talk contribs created page Intersection over union (IoU) (Created page with "{{see also|Machine learning terms}} ==Intersection over Union (IoU)== Intersection over Union (IoU) is a widely used metric for evaluating the performance of object detection and instance segmentation algorithms in machine learning. It measures the degree of overlap between two bounding boxes or shapes, often representing the predicted output and the ground truth. IoU is particularly important in tasks such as object detection, semantic segmentation, and instance segment...")
  • 06:22, 19 March 2023 Walle talk contribs created page Image recognition (Created page with "{{see also|Machine learning terms}} ==Introduction== Image recognition, also referred to as Computer Vision or object recognition, is a subfield of Machine Learning and Artificial Intelligence that deals with the ability of a computer system or model to identify and classify objects or features within digital images. The primary goal of image recognition is to teach machines to emulate the human visual system, allowing them to extract useful information from...")
  • 06:22, 19 March 2023 Walle talk contribs created page Downsampling (Created page with "{{see also|Machine learning terms}} ==Introduction== Downsampling is a technique used in machine learning and signal processing to reduce the amount of data being processed. It involves systematically selecting a smaller subset of data points from a larger dataset, thereby reducing its size and complexity. Downsampling can be applied in various contexts, such as image processing, time series analysis, and natural language processing, among others. The primary goal of dow...")
  • 06:22, 19 March 2023 Walle talk contribs created page Depthwise separable convolutional neural network (sepCNN) (Created page with "{{see also|Machine learning terms}} ==Depthwise Separable Convolutional Neural Network (SepCNN)== Depthwise Separable Convolutional Neural Networks (SepCNNs) are a variant of Convolutional Neural Networks (CNNs) designed to reduce computational complexity and memory usage while preserving performance in various computer vision tasks. SepCNNs achieve this by factorizing the standard convolution operation into two separate steps: depthwise convolution and pointwise con...")
  • 06:22, 19 March 2023 Walle talk contribs created page Data augmentation (Created page with "{{see also|Machine learning terms}} ==Introduction== In the field of machine learning, ''data augmentation'' refers to the process of expanding the size and diversity of a training dataset by applying various transformations and manipulations. The primary goal of data augmentation is to improve the generalization capabilities of machine learning models, thus enhancing their performance on unseen data. This article delves into the principles, techniques, and applicati...")
  • 06:22, 19 March 2023 Walle talk contribs created page Convolutional operation (Created page with "{{see also|Machine learning terms}} ==Convolutional Operation in Machine Learning== The convolutional operation, often used in the context of Convolutional Neural Networks (CNNs), is a core element in modern machine learning techniques for image and signal processing. It involves the application of mathematical functions known as ''convolutions'' to input data, enabling the extraction of important features, patterns, and structures from raw data. This operation h...")
  • 06:21, 19 March 2023 Walle talk contribs created page Convolutional neural network (Created page with "{{see also|Machine learning terms}} ==Introduction== A '''convolutional neural network''' (CNN) is a type of artificial neural network specifically designed for processing grid-like data, such as images, speech signals, and time series data. CNNs have achieved remarkable results in various tasks, particularly in the field of image and speech recognition. The architecture of CNNs is inspired by the organization of the animal visual cortex and consists of multiple layers o...")
  • 06:21, 19 March 2023 Walle talk contribs created page Convolutional layer (Created page with "{{see also|Machine learning terms}} ==Introduction== In machine learning, a '''convolutional layer''' is a key component of Convolutional Neural Networks (CNNs) that specializes in processing and analyzing grid-like data structures, such as images. It is designed to automatically learn and detect local patterns and features through the use of convolutional filters. These filters, also known as kernels, are applied to the input data in a sliding-window manner, ena...")
  • 06:21, 19 March 2023 Walle talk contribs created page Convolutional filter (Created page with "{{see also|Machine learning terms}} ==Convolutional Filters in Machine Learning== A '''convolutional filter''' (also known as a '''kernel''' or '''feature detector''') is a fundamental component of Convolutional Neural Networks (CNNs), a class of deep learning models specifically designed for processing grid-like data, such as images and time-series data. Convolutional filters are used to perform a mathematical operation called '''convolution''' on input data to dete...")
  • 06:21, 19 March 2023 Walle talk contribs created page Convolution (Created page with "{{see also|Machine learning terms}} ==Introduction== Convolution is a mathematical operation widely used in the field of machine learning, especially in the domain of deep learning and convolutional neural networks (CNNs). The operation involves the element-wise multiplication and summation of two matrices or functions, typically an input matrix (or image) and a kernel (or filter). The primary purpose of convolution is to extract features from the input data,...")
  • 06:21, 19 March 2023 Walle talk contribs created page Bounding box (Created page with "{{see also|Machine learning terms}} ==Bounding Box in Machine Learning== ===Definition=== A '''bounding box''' is a rectangular box used in machine learning and computer vision to represent the spatial extent of an object within an image or a sequence of images. It is generally defined by the coordinates of its top-left corner and its width and height. Bounding boxes are widely employed in object detection, localization, and tracking tasks, where the objective is...")
  • 06:21, 19 March 2023 Walle talk contribs created page MNIST (Created page with "{{see also|Machine learning terms}} ==Introduction== The '''Modified National Institute of Standards and Technology (MNIST)''' dataset is a large collection of handwritten digits that has been widely used as a benchmark for evaluating the performance of various machine learning algorithms, particularly in the field of image recognition and computer vision. MNIST, introduced by Yann LeCun, Corinna Cortes, and Christopher J.C. Burges in 1998, has played a pivot...")
  • 21:57, 18 March 2023 Walle talk contribs created page Wisdom of the crowd (Created page with "{{see also|Machine learning terms}} ==Wisdom of the Crowd in Machine Learning== The ''Wisdom of the Crowd'' is a phenomenon that refers to the collective intelligence and decision-making ability of a group, which often leads to more accurate and reliable outcomes than individual judgments. In the context of machine learning, this concept is employed to improve the performance of algorithms by aggregating the predictions of multiple models, a technique commonly known as [...")
  • 21:57, 18 March 2023 Walle talk contribs created page Variable importances (Created page with "{{see also|Machine learning terms}} ==Variable Importance in Machine Learning== Variable importance, also referred to as feature importance, is a concept in machine learning that quantifies the relative significance of individual variables, or features, in the context of a given predictive model. The primary goal of assessing variable importance is to identify and understand the most influential factors in a model's decision-making process. This information can be us...")
  • 21:57, 18 March 2023 Walle talk contribs created page Threshold (for decision trees) (Created page with "{{see also|Machine learning terms}} ==Threshold in Decision Trees== In the field of machine learning, a decision tree is a widely used model for representing hierarchical relationships between a set of input features and a target output variable. The decision tree is composed of internal nodes, which test an attribute or feature, and leaf nodes, which represent a class or output value. The threshold is a critical parameter in decision tree algorithms that determines...")
  • 21:56, 18 March 2023 Walle talk contribs created page Splitter (Created page with "{{see also|Machine learning terms}} ==Splitter in Machine Learning== A '''splitter''' in the context of machine learning refers to a method or technique used to divide a dataset into subsets, typically for the purposes of training, validation, and testing. The process of splitting data helps to prevent overfitting, generalizes the model, and provides a more accurate evaluation of a model's performance. Various techniques exist for splitting data, such as k-fold cross-val...")
  • 21:56, 18 March 2023 Walle talk contribs created page Split (Created page with "{{see also|Machine learning terms}} ==Overview== In machine learning, the term ''split'' generally refers to the process of dividing a dataset into two or more non-overlapping parts, typically for the purposes of training, validation, and testing a machine learning model. These distinct subsets enable the evaluation and fine-tuning of model performance, helping to prevent overfitting and allowing for an unbiased estimation of the model's ability to generalize to unse...")
  • 21:56, 18 March 2023 Walle talk contribs created page Shrinkage (Created page with "{{see also|Machine learning terms}} ==Introduction== '''Shrinkage''' in machine learning is a regularization technique that aims to prevent overfitting in statistical models by adding a constraint or penalty to the model's parameters. Shrinkage methods reduce the complexity of the model by pulling its coefficient estimates towards zero, leading to more robust and interpretable models. Popular shrinkage methods include Ridge Regression and Lasso Regression. ==Shrinka...")
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