Paul Jim C.

I help medical AI and computer vision teams turn CT, CBCT, MRI, images, and videos into consistent labeled datasets. My services include 2D/3D segmentation, masks, bounding boxes, polygons, and annotation quality checks using 3D Slicer and CVAT. I’m a Top Rated annotation specialist with 100% Job Success, $100K+ earned, and 15,000+ hours on Upwork. My work history includes aorta segmentation, long-term masking projects, and image and video annotation for AI training. ANNOTATION SERVICES • Medical image annotation and 2D/3D segmentation for CT, CBCT, and MRI • Image masks, polygons, bounding boxes, and classification • Image and video labeling for computer vision datasets • Annotation review, data cleanup, and consistency checks against your guidelines TOOLS & FORMATS 3D Slicer, CVAT, ITK-SNAP, Labelbox, LabelMe, LabelImg, VGG Image Annotator, and COCO. I can also learn your preferred annotation platform. HOW I WORK I review your samples, class definitions, and labeling instructions before confirming scope and turnaround. I flag ambiguous cases early and check annotations against your guidelines to help keep the dataset consistent. Clients have given me 5-star feedback for quality, communication, and reliable long-term delivery. I’m available for project-based and ongoing annotation work. Send me a sample, your labeling guidelines, required output format, and deadline through Upwork so we can discuss the workflow.