Question 39
Domain 3: Describe Azure AI services for computer vision and document processingIn OCR, what are bounding boxes used for?
Correct answer: A
Explanation
Bounding boxes are rectangular regions used to identify where text appears in an image. In OCR, they "mark areas of text in an image" so the system can locate and extract the characters for recognition.
Why each option is right or wrong
A. Marking areas of text in an image
In OCR, a bounding box is the rectangular coordinate frame used to localize each text region on the page image before character recognition is applied. It records the x/y position and width/height of the text area so the engine can detect, segment, and process the text accurately.
B. Highlighting areas of interest in an image
C. Identifying specific objects in an image
D. Measuring the aspect ratio of an image