ground truth

[/graʊnd truːθ/]
nounpl: ground truths
verdade fundamental
1. The objective, verified reality or factual basis against which other information is compared or evaluated; the standard of truth used as reference
In machine learning, ground truth refers to the actual labeled data used to train and validate models.
No aprendizado de máquina, a verdade fundamental refere-se aos dados realmente rotulados usados para treinar e validar modelos.
2. In scientific or technical contexts, the accurate, empirically verified information that serves as the definitive standard
The satellite imagery provided the ground truth for verifying the accuracy of the survey results.
As imagens de satélite forneceram a verdade fundamental para verificar a precisão dos resultados do levantamento.
3. The established facts or reality as opposed to assumptions, theories, or predictions
We need to compare our experimental results against ground truth to ensure validity.
Precisamos comparar nossos resultados experimentais com a verdade fundamental para garantir a validade.
Ground truth is primarily used in technical, scientific, and academic contexts in both the USA and Brazil. It gained prominence with the rise of artificial intelligence and machine learning applications. The term reflects a data-driven culture that prioritizes empirical verification over opinion or theory.
Synonyms / Sinônimos
objective realityempirical factverified datareference standardtrue valueactual data
Antonyms / Antônimos
assumptionhypothesispredictionspeculationfalsity

Regional Variations

General Brazilian
verdade fundamental
Most common formal translation used in academic and technical contexts
General Brazilian
dados de referência
Alternative used in technical/IT contexts, particularly in machine learning
São Paulo
verdade de campo
Regional variant used in surveying and geospatial applications
Portugal
verdade fundamental
Standard formal translation, same as Brazilian Portuguese in academic contexts

Related Words

validationverificationbenchmarkstandardaccuracyreference data

Related Idioms & Phrases

get down to ground truth
establish ground truth
verify against ground truth
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