You have an app that identifies the coordinates of a product in an image of...

The described app identifies the coordinates of a product within an image of a supermarket shelf. This scenario directly corresponds to the object detection capability of Azure AI Custom Vision. As per the Microsoft Learn module “Train a Custom Vision model”, the object detection project type allows developers to train models that can both detect and locate objects within an image. It returns bounding box coordinates along with predicted labels for each detected item.

In this use case, the app doesn’t just classify what products are present—it needs the position of the product (coordinates). That function distinguishes object detection from classification. Classification simply assigns a label to the entire image, while object detection provides spatial information for multiple items in one image.

The other options are incorrect:

B. Azure AI Computer Vision Read and C. Azure AI Computer Vision OCR are used for extracting text from images, not locating objects.

D. Azure AI Custom Vision classification only categorizes images but cannot determine where objects appear.

Therefore, to build an app that finds and locates products in images, the correct choice is A. Azure AI Custom Vision object detection.