Related Experiment Video
Updated: Feb 8, 2026
10:16
A Protocol for Real-time 3D Single Particle Tracking
Published on: January 3, 2018
15.3K
Real-Time Visual Tracking of Dynamic Surgical Suture Threads.
Russell C Jackson1, Rick Yuan1, Der-Lin Chow1
1Department of Electrical Engineering and Computer Science (EECS) at Case Western Reserve University in Cleveland, OH, USA.
IEEE Transactions on Automation Science and Engineering : a Publication of the IEEE Robotics and Automation Society
|July 11, 2018
Summary
This study introduces new stereo image processing algorithms for real-time surgical suture tracking. The developed Non Uniform Rational B-Spline (NURBS) model accurately tracks deformable threads, improving robotic surgery efficiency.
Area of Science:
- Robotics
- Computer Vision
- Surgical Technology
Background:
- Current surgical robots are often challenging to use, leading to surgeon fatigue and increased procedure times.
- Autonomous robotic assistance in surgery, particularly for tasks like suturing, holds significant potential for improving patient outcomes and surgeon efficiency.
- A key challenge in autonomous suturing is the accurate tracking of surgical suture threads, which are thin, deformable, and dynamic.
Purpose of the Study:
- To present novel stereo image processing algorithms for the detection, initialization, and real-time tracking of surgical suture threads.
- To develop a robust method for modeling and tracking deformable objects in a surgical context.
- To overcome the limitations of current systems in handling complex suture thread dynamics.
Main Methods:
- Utilized a Non Uniform Rational B-Spline (NURBS) curve to model the surgical suture thread.
- Initialized and grew the NURBS model from a single point on the thread.
- Optimized the NURBS curve by minimizing image matching energy between projected stereo images and segmented thread data.
- Evaluated algorithms using physical suture threads, calibrated test patterns, and simulated thread images.
Main Results:
- Successfully detected, initialized, and tracked surgical suture threads in real-time.
- Demonstrated robustness in tracking threads undergoing translation, deformation, occlusion, and length changes.
- The detection algorithm effectively distinguished intersecting threads.
- Polynomial curve modeling proved capable of tracking string-like structures with high accuracy.
Conclusions:
- The developed stereo image processing algorithms provide a robust solution for real-time surgical suture thread tracking.
- The NURBS modeling approach effectively handles the deformability and dynamic nature of suture threads.
- This technology has the potential to significantly enhance the capabilities of robotic surgery, enabling more autonomous and efficient procedures.
Related Concept Videos
02:57Real Time RT-PCR
65.3K
Real-time reverse transcription-polymerase chain reaction, or Real-time RT-PCR, is an analytical tool used to determine the expression level of target genes. The method involves converting mRNA to complementary DNA with the help of an enzyme known as reverse transcriptase, followed by the PCR amplification of the cDNA. These two processes can be performed simultaneously in a single tube or separately as a two-step reaction.
The real-time quantification of the number of amplified products is...
The real-time quantification of the number of amplified products is...
65.3K
01:22Sutures of the Skull
10.5K
The human skull is composed of several bones that come together to protect the brain and support the structures of the face. The junctions where these bones meet are called sutures.
Sutures are immobile joints between adjacent bones of the skull. The narrow gap between the bones is filled with dense, fibrous connective tissue that unites the bones. The long sutures located between the skull bones are not straight but instead follow irregular, tightly twisting paths. These twisting lines tightly...
Sutures are immobile joints between adjacent bones of the skull. The narrow gap between the bones is filled with dense, fibrous connective tissue that unites the bones. The long sutures located between the skull bones are not straight but instead follow irregular, tightly twisting paths. These twisting lines tightly...
10.5K
02:20Dynamic Equilibrium
63.0K
A reversible chemical reaction represents a chemical process that proceeds in both forward (left to right) and reverse (right to left) directions. When the rates of the forward and reverse reactions are equal, the concentrations of the reactant and product species remain constant over time and the system is at equilibrium. A special double arrow is used to emphasize the reversible nature of the reaction. The relative concentrations of reactants and products in equilibrium systems vary greatly;...
63.0K
01:27Real Number System
1.2K
The real number system includes all numbers used for counting, measuring, and comparing quantities. Natural numbers are the basic counting numbers: 1, 2, 3, and so on. Integers expand this set by including zero and negative whole numbers: ..., –3, –2, –1, 0, 1, 2, .... Rational numbers are those that can be expressed as the ratio of two integers m/n, where n≠0. This includes fractions like 1/2, integers such as 46, and decimals that terminate, such as 0.17, or...
1.2K
01:27Real Number Operations
333
The concept of real numbers includes all the values that can be represented on a continuous number line. The system began with basic counting values used for enumeration. It later expanded to include values that represent the absence of quantity and opposites of the counting values. When situations required expressing parts of a whole or dividing quantities evenly, values capable of representing such proportions were developed. When written using decimal notation, these values can end or repeat...
333
01:27Real Zeros of Polynomials
193
Polynomials are algebraic expressions of terms with variables raised to non-negative integer powers. A central aspect of analyzing polynomial functions is determining their real zeros—values of the variable for which the polynomial evaluates to zero. These values represent the x-intercepts of the polynomial’s graph.The Rational Zeros Theorem lists possible rational solutions for a polynomial equation with integer coefficients. If f(x)=anxn+....+a0, then every rational zero is...
193