Target-free measurement of cable forces based on video motion magnification and high-order mode shapes

Key Points

• Cable forces can be effectively measured using video motion magnification techniques, enhancing measurement accuracy.
• This method demonstrated a reliable connection between visual data and structural responses, improving measurements without markers.
• Analysis employed high-order mode shapes to capture dynamic behavior in cable structures, allowing for a detailed assessment.
• These innovative techniques may enable more accurate and efficient monitoring of structural health, supporting engineering applications.