ground truth

USAGE SUMMARY

'ground truth' is correct and usable in written English.
It is used to describe any facts or data that can be used as an indisputable reference point for comparison. For example, "We used the ground truth of sales figures from last year as a basis for forecasting this year's results."

✓ Grammatically correct

Science

News & Media

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

We knew the ground truth.

The New Yorker

"It provides us with the ground truth".

The Guardian

Ground truth.

EURASIP Journal on Image and Video Processing

a Ground truth data.

EURASIP Journal on Image and Video Processing

(f) Corresponding ground truth.

EURASIP Journal on Image and Video Processing

(b) Ground truth.

EURASIP Journal on Image and Video Processing

Blue ground truth.

Advanced Structural and Chemical Imaging

Fig. 12 Ground truth.

EURASIP Journal on Image and Video Processing

(g) the ground truth.

EURASIP Journal on Advances in Signal Processing

(i) The ground truth.

EURASIP Journal on Advances in Signal Processing

Figure 12 Ground truth images.

EURASIP Journal on Image and Video Processing

Expert writing Tips

Best practice

When using "ground truth" in technical writing, ensure that you clearly define what constitutes the "ground truth" in your specific context to avoid ambiguity.

Common error

Avoid using "ground truth" to describe subjective beliefs or interpretations. "Ground truth" refers to objective, verifiable facts, not personal opinions or assumptions.

Linguistic Context

The phrase "ground truth" functions as a noun phrase, typically used to denote information obtained through direct observation or measurement that serves as a definitive reference point. Ludwig's examples confirm its usage in contexts where verifiable accuracy is paramount. It's often compared against model output to assess performance.

Expression frequency: Very common

Frequent in

Science

79%

News & Media

13%

Formal & Business

8%

Less common in

Academia

0%

Encyclopedias

0%

Wiki

0%

Ludwig's WRAP-UP

In summary, "ground truth" is a noun phrase that signifies a known, verifiable fact used as a benchmark. Ludwig AI confirms its grammatical correctness and frequent usage, particularly in scientific and technical contexts. While highly valuable for its objective nature, it's important to avoid misinterpreting "ground truth" as a subjective opinion. Related phrases like "verified fact" and "definitive data" offer alternative expressions, each emphasizing a slightly different aspect of the concept. Use "ground truth" to clearly define verifiable standards in your writing.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

Verified fact

Emphasizes the confirmed and validated nature of the information.

Established truth

Highlights the well-settled and recognized nature of the truth.

Definitive data

Focuses on the conclusive and authoritative aspect of the data.

Baseline reality

Suggests a fundamental and foundational level of reality.

Indisputable fact

Stresses that the fact cannot be challenged or questioned.

Empirical evidence

Highlights the reliance on observation and experimentation.

Factual basis

Indicates the foundation of facts upon which something is built.

Undeniable truth

Emphasizes the impossibility of denying the truth.

Confirmed reality

Focuses on the reality that has been verified or validated.

Gospel truth

Emphasizes the absolute and unquestionable nature of the truth, though it carries a slightly more emphatic or even metaphorical tone.

FAQs

How is "ground truth" typically used in a sentence?

The phrase "ground truth" is often used to describe a known standard against which the accuracy of a system or model is measured. For example, "The algorithm's predictions were compared against the "verified data" to assess its performance."

What's a simpler way to say "ground truth"?

Depending on the context, you could use phrases like "actual facts", "empirical data", or "definitive evidence" instead of "ground truth".

Is "ground truth" the same as "reality"?

While "ground truth" aims to represent reality accurately, it specifically refers to the data or information known to be real or accurate, which is used as a benchmark. "Reality" is a broader concept, encompassing everything that exists, while "ground truth" is a subset of reality used for validation purposes.

In what fields is the term "ground truth" commonly used?

The term "ground truth" is frequently used in fields such as machine learning, remote sensing, computer vision, and statistics to refer to the accurate, real-world data used for training and validation. It helps to determine the "validated accuracy" of models and algorithms.