Machine Learning Techniques in Sensory Science
Expert-defined terms from the Professional Certificate in Artificial Intelligence in Food Sensory Evaluation course at London School of Planning and Management. Free to read, free to share, paired with a globally recognised certification pathway.
Machine Learning Techniques in Sensory Science #
Machine Learning Techniques in Sensory Science
Machine learning techniques are a subset of artificial intelligence that use sta… #
In the field of sensory science, machine learning techniques are increasingly being utilized to analyze sensory data, predict consumer preferences, and optimize product development processes.
Artificial Neural Networks (ANN) #
Artificial Neural Networks (ANN)
Artificial neural networks are a computational model inspired by the structure a… #
They consist of interconnected nodes (neurons) that process information and learn patterns from data. ANN is commonly used in sensory science for tasks such as classification, regression, and clustering.
Backpropagation #
Backpropagation
Backpropagation is a supervised learning algorithm used to train artificial neur… #
It involves adjusting the weights of the network based on the error between the predicted output and the actual output. Backpropagation is essential for optimizing the performance of neural networks in sensory science applications.
Clustering #
Clustering
Clustering is a machine learning technique that involves grouping similar data p… #
In sensory science, clustering algorithms can be used to identify patterns in sensory data, such as grouping consumers with similar preferences or products with similar sensory attributes.
Convolutional Neural Networks (CNN) #
Convolutional Neural Networks (CNN)
Convolutional neural networks are a type of artificial neural network designed f… #
CNNs are commonly used in sensory science for tasks like image recognition, where they can learn to identify patterns and features in sensory images.
Deep Learning #
Deep Learning
Deep learning is a subset of machine learning that uses artificial neural networ… #
Deep learning techniques have been successful in various sensory science applications, such as image and speech recognition.
Dimensionality Reduction #
Dimensionality Reduction
Dimensionality reduction is a technique used to reduce the number of variables i… #
In sensory science, dimensionality reduction methods like principal component analysis (PCA) can help visualize and analyze complex sensory data more effectively.
Ensemble Learning #
Ensemble Learning
Ensemble learning is a machine learning technique that combines multiple models… #
In sensory science, ensemble learning methods like random forests or boosting can be used to enhance the accuracy and robustness of predictive models.
Feature Engineering #
Feature Engineering
Feature engineering is the process of selecting, transforming, and creating new… #
In sensory science, feature engineering techniques can help extract meaningful information from sensory data, such as creating new attributes to describe sensory characteristics.
Hyperparameter Optimization #
Hyperparameter Optimization
Hyperparameter optimization is the process of tuning the parameters of a machine… #
In sensory science, hyperparameter optimization techniques like grid search or random search can be used to find the best set of hyperparameters for a given model.
K #
Means Clustering
K-means clustering is a popular clustering algorithm that partitions data points… #
In sensory science, K-means clustering can be used to group consumers or products with similar sensory preferences or attributes.
Linear Regression #
Linear Regression
Linear regression is a statistical method used to model the relationship between… #
In sensory science, linear regression can be used to predict sensory attributes based on other variables, such as ingredient composition or processing parameters.
Logistic Regression #
Logistic Regression
Logistic regression is a statistical method used to model the probability of a b… #
In sensory science, logistic regression can be applied to predict consumer preferences or classify products into different sensory categories.
Machine Learning #
Machine Learning
Machine learning is a branch of artificial intelligence that focuses on developi… #
In sensory science, machine learning techniques are used to analyze sensory data, understand consumer preferences, and optimize product formulations.
Model Evaluation #
Model Evaluation
Model evaluation is the process of assessing the performance of a machine learni… #
In sensory science, model evaluation techniques like cross-validation or metrics such as accuracy, precision, and recall are used to measure the effectiveness of predictive models.
Naive Bayes Classifier #
Naive Bayes Classifier
Naive Bayes classifier is a probabilistic machine learning algorithm based on Ba… #
In sensory science, Naive Bayes classifier can be used for tasks such as text classification or sentiment analysis of consumer reviews.
Overfitting #
Overfitting
Overfitting occurs when a machine learning model learns the noise in the trainin… #
In sensory science, overfitting can be mitigated by techniques like regularization or cross-validation.
Principal Component Analysis (PCA) #
Principal Component Analysis (PCA)
Principal component analysis is a dimensionality reduction technique that transf… #
In sensory science, PCA can be used to visualize and interpret complex sensory data, such as grouping similar products or consumers based on sensory attributes.
Random Forest #
Random Forest
Random forest is an ensemble learning method that combines multiple decision tre… #
In sensory science, random forest algorithms can be used to predict consumer preferences, classify products based on sensory attributes, or identify important sensory features.
Recommender Systems #
Recommender Systems
Recommender systems are machine learning algorithms that provide personalized re… #
In sensory science, recommender systems can be used to suggest products to consumers based on their previous sensory ratings or preferences.
Regression Analysis #
Regression Analysis
Regression analysis is a statistical method used to model the relationship betwe… #
In sensory science, regression analysis can be applied to predict sensory attributes, consumer preferences, or product acceptance based on sensory data.
Support Vector Machines (SVM) #
Support Vector Machines (SVM)
Support vector machines are a supervised learning algorithm used for classificat… #
In sensory science, SVM algorithms can be used to classify products based on sensory attributes, predict consumer preferences, or optimize product formulations.
Unsupervised Learning #
Unsupervised Learning
Unsupervised learning is a machine learning technique that involves extracting p… #
In sensory science, unsupervised learning methods like clustering or dimensionality reduction can be used to explore and interpret complex sensory datasets.