Explanation:
The correct answer is B. Optical character recognition (OCR) allows you to extract printed or handwritten text from images and documents. In this case, OCR is used to read the numbers on the runners' shirts to identify the runners in the photos.
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In a race, to identify runners from their shirt numbers in photos, which computer vision technique is appropriate?
A
facial recognition
B
optical character recognition (OCR)
C
image classification
D
object detection