detection accuracy

[/dɪˈtɛkʃən ˈækjərəsi/]
nounpl: detection accuracies
precisão de detecção
1. The degree to which a detection system correctly identifies or recognizes the presence of something, measured as the percentage or ratio of correct detections to total possible detections.
The radar system achieved a detection accuracy of 98% in identifying incoming aircraft.
O sistema de radar alcançou uma precisão de detecção de 98% na identificação de aeronaves que se aproximam.
2. In machine learning and artificial intelligence, the proportion of correct predictions (both true positives and true negatives) made by a model out of all predictions.
The facial recognition software improved its detection accuracy from 92% to 96% after retraining.
O software de reconhecimento facial melhorou sua precisão de detecção de 92% para 96% após retreinamento.
3. The reliability and correctness of a detection method or sensor in identifying target objects or events within a given environment.
Medical imaging techniques are constantly evolving to increase detection accuracy for early disease diagnosis.
As técnicas de imagem médica estão em constante evolução para aumentar a precisão de detecção no diagnóstico precoce de doenças.
This is a technical term commonly used in Brazilian and Portuguese technology, engineering, and scientific sectors. In Brazil, the English term 'acurácia' is increasingly adopted in tech hubs like São Paulo, while 'precisão' remains the more traditional and formal choice in academic publications. The term is particularly important in discussions of artificial intelligence, surveillance systems, medical diagnostics, and quality control in manufacturing.
Synonyms / Sinônimos
detection precisiondetection raterecognition accuracyidentification accuracycorrectness of detection
Antonyms / Antônimos
detection errordetection failurefalse positive ratefalse negative ratedetection inaccuracy

Regional Variations

General Brazilian Portuguese
precisão de detecção
Most common and widely used term in technical and academic contexts
Portugal
precisão de detecção
Same usage as Brazilian Portuguese; also 'exactidão da detecção' in some formal contexts
Technical/Academic Brazil
taxa de detecção correta
Alternative phrasing emphasizing the rate of correct detections
São Paulo
acurácia de detecção
Direct borrowing from English 'accuracy'; increasingly used in tech industry

Related Words

precisionrecallsensitivityspecificityfalse positivefalse negativetrue positivetrue negativeperformance metricsconfusion matrix

Related Idioms & Phrases

improve detection accuracy - melhorar a precisão de detecção
achieve high detection accuracy - alcançar alta precisão de detecção
detection accuracy rate - taxa de precisão de detecção
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