Google AI outperforms doctors in diagnosing breast cancer

UNITED STATES (OBSERVATORY NEWS) — The artificial intelligence trained by Google on tens of thousands of mammograms detects breast cancer more precisely than human experts, says the American group.

A team of Google researchers has developed artificial intelligence (AI) capable of detecting breast cancer on a mammogram. In an article published on January 1, the American giant indicates that its algorithm has proven to be more efficient than an expert radiologist.

“Reading these X-rays is a difficult task and often results in false positives as well as negatives, which in turn can cause delays in detection and processing,” says Google.

The group was therefore responsible for improving this detection work thanks to artificial intelligence.

According to the firm, its model is able to detect breast cancer more precisely than human experts even if it receives less data than the latter.

Significant decrease in the error rate

The algorithm has trained to spot signs of cancer from 76,000 mammograms of women in the UK and 15,000 others in the United States. Subsequently, it was tested on more than 28,000 women in these same two countries.

As a result, the false positive rate was reduced by 1.2% in the first case and 5.7% in the second. For false negatives, the decrease was 9.4% and 2.7% respectively.

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