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//Image annotation
POLYGON ANNOTATION
Polygon annotation is a technique used in computer vision, image processing, and machine learning to label and annotate regions of interest within images using polygonal shapes. Instead of bounding boxes or keypoints, polygon annotation delineates objects or areas of interest with more precise boundaries represented by interconnected vertices. This technique is particularly useful for annotating irregularly shaped objects, regions, or boundaries where bounding boxes may not accurately represent the object’s contours.
// POLYGON ANNOTATION
KEY ASPECTS OF POLYGON ANNOTATION
Annotation Process
In polygon annotation, annotators manually or semi-automatically draw polygonal shapes around objects or regions of interest within images. These polygons are defined by a series of vertices connected by straight lines, encapsulating the object's boundaries or delineating specific areas within the image.


Semantic Segmentation
Polygon annotation is commonly used in semantic segmentation tasks, where the goal is to label each pixel in an image with the corresponding object category or class. Each polygon corresponds to a specific object or region class, and pixels within the polygon are assigned the corresponding class label. This enables fine-grained object segmentation and pixel-level understanding of image content.
Instance Segmentation
In instance segmentation, where the goal is to segment individual instances of objects within an image, polygon annotation is used to delineate the boundaries of each object instance. Each object instance is represented by a separate polygon, allowing for precise instance-level segmentation and recognition.


Object Tracking and Motion Analysis
Polygon annotation can be used in object tracking and motion analysis applications to track the movement and trajectory of objects over time. By annotating objects with polygons in consecutive frames of a video sequence, object tracking algorithms can accurately follow object motion and analyze dynamic interactions between objects.
//Industries
USE CASES FOR POLYGON ANNOTATION
RETAIL

ROBOTICS

AGRICULTURE

INSURANCE

HEALTHCARE

SECURITY & SURVEILLANCE

SELF-DRIVING

LOGISTICS

AUTONOMOUS FLYING

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