What it means
Marking the exact outline of objects in an image, pixel by pixel, rather than drawing a box round them. Semantic segmentation labels every pixel by class (road, sky, person); instance segmentation also separates each object from others of the same class.
Used in: Data annotation roles.
In open roles right now
44 of the open roles we list mention “segmentation” in the title or description, on 20 platforms (as of 23 October 2026). Of those that state an hourly rate (20 distinct postings), the median is $60/hr, and the middle half pay $35 to $90.
Most of them on: Appen / CrowdGen (13), Chemin (4), Lifted, an Upwork Company (4), Alignerr (3), SuperAnnotate (3), 10x Team (2), and 14 more.
Ch
Transcription Reviewer - Cantonese and Mandarin (Remote Job) (posted today)Chemin·Malaysia, Hong Kong SAR China·Part-time
$4.8/hrToday
Vision-Language-Action AnnotatorCNTXT AI·31 countries·Full-time
Pay set per project1 day ago
Marketing ExpertAnyone AI·15 countries
$30–60/hr3 days ago
Pod Lead — Life Sciences & Medicine (Terminal Bench Science)Turing·Location not stated·Full-time·PhD
Pay set per project7 days ago
PhysioNet Competitor (Biomedical Signal Processing & ML)micro1·Worldwide·Part-time
$60–120/hr7 days ago
Thai Audio Segmentation & TranscriptionLifted, an Upwork Company·Thailand·Part-time
Pay set per project8 days ago
Vision-Language-Action AnnotatorCNTXT AI·31 countries·Full-time
Pay set per project1 day ago
Marketing ExpertAnyone AI·15 countries
$30–60/hr3 days ago
Pod Lead — Life Sciences & Medicine (Terminal Bench Science)Turing·Location not stated·Full-time·PhD
Pay set per project7 days ago
PhysioNet Competitor (Biomedical Signal Processing & ML)micro1·Worldwide·Part-time
$60–120/hr7 days ago
Related terms
AnnotationAdding information to raw data so a model can learn from it: tags on text, boxes on images, timestamps on audio.Bounding boxA rectangle drawn around an object in an image or video frame, with a label such as “car” or “pedestrian”.LabellingPutting a category or tag on a piece of data: an image, a sentence, a search result, a clip of audio.LiDARA sensor that measures distance with laser pulses and produces a 3D “point cloud”. ← RubricPrevious term, A to Z. SFT →Next term, A to Z. The whole glossaryEvery term on one page, A to Z.Open →