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description: Python API reference for MotionEstimator and motion compensation utilities in Roboflow Trackers — optical flow and homography-based camera motion correction.
---

# Motion API

## MotionEstimator

::: trackers.motion.estimator.MotionEstimator

## MotionAwareTraceAnnotator

::: trackers.annotators.trace.MotionAwareTraceAnnotator

## CoordinatesTransformation

::: trackers.motion.transformation.CoordinatesTransformation

## IdentityTransformation

::: trackers.motion.transformation.IdentityTransformation

## HomographyTransformation

::: trackers.motion.transformation.HomographyTransformation
