image annotation Archives

Instance segmentation visualization showing pixel masks around individual objects in a busy street scene.

by Sanksshep Mahendra Updated August 12, 2026 at 3:30 pm

AI

Instance Segmentation

Why it matters: Instance segmentation explained: what it is, how Mask R-CNN and maskrcnn_resnet50_fpn_v2 work in PyTorch, plus real deployments and 2026 outlook.

Illustration showing different image annotation techniques including bounding boxes, polygon outlines, semantic segmentation masks, and keypoint markers applied to a street scene for training computer vision AI models

by Sanksshep Mahendra Updated May 19, 2026 at 1:56 pm

AI

How do We Annotate an Image

Why it matters: Learn how to annotate images for AI with bounding boxes, segmentation, and keypoints. Step-by-step guide, top tools, and best practices for 2026.

How to label images for machine learning showing annotators using foundation-model auto-labeling in a modern computer vision workflow.

by Sanksshep Mahendra Updated May 28, 2026 at 12:41 pm

AI

How to Label Images for Machine Learning

Why it matters: Learn how to label images for machine learning in 2026. Top 5 challenges, auto-labeling tools, real costs, and workflows leading CV teams now use.