Title: Pattern Recognition Author: Kriko Published: Jun 8, 2023 Last modified: Jul 7, 2026 --- 1. [Home](https://kriko.io/) / 2. [Glossary](https://kriko.io/glossary) / 3. P Letter # Pattern Recognition **Pattern recognition** is a field of machine learning concerned with identifying, analysing and interpreting recurring structures within data. It enables computer systems to detect patterns in complex datasets and classify information automatically. Pattern recognition systems use algorithms and statistical methods to identify similarities, differences and meaningful relationships within data. Their primary purpose is to recognise existing structures and extract useful information from them. The [data](https://kriko.io/services/data-analysis-insight) analysed through pattern recognition may take many forms, including numerical [data](https://kriko.io/services/data-analysis-insight), images, audio, text and other digital content. Because of this flexibility, pattern recognition is used across a wide range of industries and applications. Common examples include image processing, fingerprint recognition, speech recognition, document analysis, facial recognition and medical imaging. In each of these areas, the system analyses input [data](https://kriko.io/services/data-analysis-insight) and determines whether it matches a known category, structure or pattern. A basic pattern recognition process converts raw [data](https://kriko.io/services/data-analysis-insight) into a format that a machine can analyse. The resulting information is then classified or grouped according to its characteristics. Pattern recognition systems can identify both known patterns and previously unseen structures within a dataset. Depending on the method used, they may assign [data](https://kriko.io/services/data-analysis-insight) to predefined categories or discover similarities without relying on existing labels. A typical **pattern recognition process** includes the following stages: **[Data](https://kriko.io/services/data-analysis-insight) Preprocessing:** Irrelevant, incomplete or noisy information is removed, and the [data](https://kriko.io/services/data-analysis-insight) is converted into a suitable format for analysis. **Feature Extraction:** Important characteristics are identified and separated from the processed data. These features help the system distinguish between different patterns or categories. **Model Training:** A model is created and trained using the extracted features and available examples. **Classification:** The trained model analyses previously unseen [data](https://kriko.io/services/data-analysis-insight) and assigns it to the most appropriate category or group. Pattern recognition may involve supervised learning, in which a model is trained using labelled examples, or unsupervised learning, in which the system identifies natural groupings and structures within the data. By enabling machines to understand and interpret patterns, pattern recognition plays an important role in [data analysis](https://kriko.io/services/data-analysis-insight), automation, computer vision, artificial intelligence and intelligent decision-making systems. ## Discover it in the dictionary ### Sitemap A sitemap is a file or page structure created to help search engines discover the important pages of a website more easily. In an… ### Google Sandbox Google Sandbox is a concept used in the SEO industry to describe the situation where newly launched websites struggle to achieve expected visibility in… ### Cluster Analysis Cluster analysis is a statistical method used to group data points with similar characteristics. 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