The article explores object detection techniques using the COCO dataset, a prominent resource in computer vision. It covers the basics of the COCO dataset, its detailed annotations, and how it supports various computer vision tasks such as semantic segmentation, instance segmentation, panoptic segmentation, keypoint detection, and dense pose estimation. The article also compares the COCO dataset with the Open Images Dataset (OID), highlighting their strengths and suitable applications to help researchers and developers choose the right dataset for their projects.