Image Annotation
Bounding boxes, polygons, keypoints, and semantic masks for production vision models.
Services
Production-grade image, video, text, LiDAR, audio, segmentation, and LLM annotation with multi-tier QA and 24/7 operations.
Video Annotation
Frame-accurate tracking, events, and temporal labels for video AI.
Text Annotation
NER, sentiment, and document labeling for NLP pipelines.
Audio Annotation
Transcription, diarization, and acoustic event classification.
3D LiDAR Annotation
Point cloud cuboids and 3D scene understanding for AV and robotics.
Semantic Segmentation
Pixel-level masks for scene understanding and medical imaging.
Bounding Box Annotation
High-precision detection boxes for retail, security, and AV models.
Polygon Annotation
Instance and region polygons for irregular objects and boundaries.
Keypoint Annotation
Human pose, skeletal tracking, and landmark datasets.
Data Collection & Validation
Human-in-the-loop collection and multi-tier dataset validation.
품질 보증
Multi-tier QA, golden sets, and inter-annotator agreement programs.
LLM Data Annotation
Preference ranking, safety labels, and alignment datasets for LLMs.
Why teams choose Data Annotation Vendors
- 99.5% quality accuracy targets with multi-tier QA
- 250+ skilled annotators across modalities
- 24/7 operations for global ML teams
- Image, video, text, LiDAR, and audio in one partner
- GDPR-ready secure data handling
- Flexible exports: COCO, VOC, custom JSON