Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Relative Motion Analysis using Rotating Axes

Relative Motion Analysis using Rotating Axes

Consider a component AB undergoing a linear motion. Along with a linear motion, point B also rotates around point A. To comprehend this complex movement, position vectors for both points A and B are established using a stationary reference frame.
However, to express the relative position of point B relative to point A, an additional frame of reference, denoted as x'y', is necessary. This additional frame not only translates but also rotates relative to the fixed frame, making it instrumental in...

Relative Motion Analysis using Rotating Axes-Problem Solving

Relative Motion Analysis using Rotating Axes-Problem Solving

Consider a crane whose telescopic boom rotates with an angular velocity of 0.04 rad/s and angular acceleration of 0.02 rad/s2. Along with the rotation, the boom also extends linearly with a uniform speed of 5 m/s. The extension of the boom is measured at point D, which is measured with respect to the fixed point C on the other end of the boom. For the given instant, the distance between points C and D is 60 meters.
Here, in order to determine the magnitude of velocity and acceleration for point...

Three-Dimensional Microscopy in Microbiology

Three-Dimensional Microscopy in Microbiology

Three-dimensional imaging techniques are essential in cell biology, allowing researchers to visualize intricate cellular structures with high resolution. Two prominent methods, Differential Interference Contrast Microscopy (DIC) and Confocal Scanning Laser Microscopy (CSLM), provide distinct advantages for imaging live and thick specimens, respectively.Differential Interference Contrast MicroscopyDIC microscopy enhances contrast in transparent, unstained samples by converting phase...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

Speed from fossil trackways: calculations not validated by extant birds on compliant substrates.

Biology letters·2025

Same author

Precision and accuracy of the dynamic endocast method for measuring volume changes in XROMM studies.

The Journal of experimental biology·2025

Same author

Footprint evidence for locomotor diversity and shared habitats among early Pleistocene hominins.

Science (New York, N.Y.)·2024

Same author

Fibular reduction and the evolution of theropod locomotion.

Nature·2024

Same author

Articular surface interactions distinguish dinosaurian locomotor joint poses.

Nature communications·2024

Same author

Technical note: A volumetric method for measuring the longitudinal arch of human tracks and feet.

American journal of biological anthropology·2024

Search research articles

Related Experiment Video

Updated: Jun 16, 2026

Three and Four-Dimensional Visualization and Analysis Approaches to Study Vertebrate Axial Elongation and Segmentation

Three and Four-Dimensional Visualization and Analysis Approaches to Study Vertebrate Axial Elongation and Segmentation

Published on: February 28, 2021

Scientific rotoscoping: a morphology-based method of 3-D motion analysis and visualization.

Stephen M Gatesy¹, David B Baier, Farish A Jenkins

¹Department of Ecology and Evolutionary Biology, Brown University, Providence, Rhode Island 02912, USA. stephen_gatesy@brown.edu

Journal of Experimental Zoology. Part A, Ecological Genetics and Physiology

|January 20, 2010

Summary

Scientific rotoscoping (SR) quantifies 3-D skeletal movement without markers. This novel method uses articulated bone models and video analysis to animate and measure bone motion, advancing biomechanical research.

More Related Videos

Three-Dimensional Mapping of the Rotation of Interactive Virtual Objects with Eye-Tracking Data

Three-Dimensional Mapping of the Rotation of Interactive Virtual Objects with Eye-Tracking Data

Published on: October 18, 2024

3D Kinematic Gait Analysis for Preclinical Studies in Rodents

3D Kinematic Gait Analysis for Preclinical Studies in Rodents

Published on: August 3, 2019

Related Experiment Videos

Last Updated: Jun 16, 2026

Three and Four-Dimensional Visualization and Analysis Approaches to Study Vertebrate Axial Elongation and Segmentation

Three and Four-Dimensional Visualization and Analysis Approaches to Study Vertebrate Axial Elongation and Segmentation

Published on: February 28, 2021

Three-Dimensional Mapping of the Rotation of Interactive Virtual Objects with Eye-Tracking Data

Three-Dimensional Mapping of the Rotation of Interactive Virtual Objects with Eye-Tracking Data

Published on: October 18, 2024

3D Kinematic Gait Analysis for Preclinical Studies in Rodents

3D Kinematic Gait Analysis for Preclinical Studies in Rodents

Published on: August 3, 2019

Area of Science:

Biomechanics
Computational Biology
Imaging Science

Background:

Accurate 3-D skeletal movement quantification is challenging with external markers.
X-ray imaging offers direct bone visualization but 3-D kinematic data extraction from single perspectives is difficult.
Stereophotogrammetry with bi-planar fluoroscopy is powerful but requires invasive radio-opaque markers.

Purpose of the Study:

Introduce scientific rotoscoping (SR), a novel markerless 3-D skeletal motion analysis method.
Demonstrate SR's application in quantifying complex movements like pigeon flight and alligator locomotion.
Provide a method for high-resolution 3-D kinematic data and anatomically accurate animations.

Main Methods:

Reconstruct experimental scenes in 3-D using animation software for calibrated virtual camera views.
Create and rearticulate polygonal bone models from CT/laser scans into a hierarchical marionette.
Register the bone marionette to video images by adjusting degrees of freedom over image sequences.

Main Results:

SR enables simultaneous animation and quantification of moving skeletons without markers.
Generates high-resolution 3-D kinematic data for multiple, unmarked bones.
Produces anatomically accurate animations renderable from any perspective.

Conclusions:

Scientific rotoscoping offers a powerful, morphology-based alternative to marker-based motion analysis.
SR is deeply rooted in osteological and arthrological data, providing robust kinematic insights.
This method advances the study of skeletal dynamics in biological systems.