Microsoft Azure AI Fundamentals (AI-900) Practice Exam

In the context of computer vision, how can the location of cars in an image be determined?

1. Facial recognition

2. Optical character recognition (OCR)

3. Object detection

4. Classification

The correct answer is: Object detection

The method used to determine the location of cars in an image is object detection. This technique involves identifying and locating objects within an image by drawing bounding boxes around them. Object detection algorithms analyze the visual input to differentiate between various objects, in this case, cars, while also providing their positions within the image frame. In contrast, facial recognition is focused specifically on identifying human faces and does not apply to vehicles. Optical character recognition (OCR) is used to recognize and convert printed or handwritten text within images, which is unrelated to locating objects like cars. Classification, on the other hand, involves categorizing the entire image into predefined classes rather than pinpointing the locations of multiple instances of those classes. Therefore, object detection is the most accurate method for determining where cars are located within an image.