Related Experiment Video
Updated: Feb 5, 2026
08:52
Novel Object Recognition Test for the Investigation of Learning and Memory in Mice
Published on: August 30, 2017
77.5K
Automatic Anatomy Recognition using Neural Network Learning of Object Relationships via Virtual Landmarks
Fengxia Yan1,2, Jayaram K Udupa2, Yubing Tong2
1College of Science, National University of Defense Technology, Changsha 410073, P. R. China.
Proceedings of Spie--The International Society for Optical Engineering
|September 8, 2018
Summary
This study introduces a new virtual landmark (VL) method to improve automatic anatomy recognition (AAR) by better capturing spatial relationships between anatomical objects. The VL neural network approach enhances object localization accuracy in medical imaging.
Area of Science:
- Medical imaging analysis
- Computational anatomy
- Artificial intelligence in healthcare
Background:
- Automatic Anatomy Recognition (AAR) is essential for medical image analysis.
- Current AAR methods struggle with complex parent-offspring spatial relationships.
- Existing AAR relies on geometric centers, limiting accuracy.
Purpose of the Study:
- To develop an improved AAR method using virtual landmarks (VLs).
- To enhance the capture of spatial relationships in anatomical hierarchies.
- To improve object localization accuracy in medical imaging.
Main Methods:
- Developed a one-shot AAR method utilizing VLs.
- Trained neural networks to predict pose and VLs of offspring objects from parent VLs.
- Implemented separate neural networks for VL and pose prediction for parent-offspring pairs.
Main Results:
- The VL-based neural network method demonstrated more accurate object localization.
- Evaluated on 14 objects across two hierarchies using 54 CT datasets.
- Outperformed the traditional AAR method relying on geometric centers.
Conclusions:
- Virtual landmarks significantly improve the accuracy of automatic anatomy recognition.
- The proposed VL neural network method offers a more robust approach to anatomical relationship modeling.
- This advancement has implications for radiation therapy treatment planning and medical image analysis.
Related Concept Videos
01:28Automatic Processing and Automatic Social Behavior
258
Automatic processing refers to the cognitive operations that occur without conscious intent or awareness, playing a fundamental role in shaping social cognition and behavior. These processes enable individuals to navigate complex social environments efficiently by relying on mental shortcuts and pre-existing knowledge structures known as schemas. One of the most influential mechanisms underlying automatic processing is priming, which subtly activates mental representations through exposure to...
258
02:12Relationship Formation
46.2K
What do you think is the single most influential factor in determining with whom you become friends and whom you form romantic relationships? You might be surprised to learn that the answer is simple: the people with whom you have the most contact. This most important factor is proximity. You are more likely to be friends with people you have regular contact with. For example, there are decades of research that shows that you are more likely to become friends with people who live in your dorm,...
46.2K
02:03Anatomy of the Circulatory System
98.1K
The human circulatory system consists of blood, blood vessels that carry blood away from the heart, around the body, and back to the heart, and the heart itself, which acts as a central pump. The systemic circuit supplies blood to the whole body, the coronary circuit supplies blood to the heart, and the pulmonary circuit supplies blood flow between the heart and lungs.
98.1K
01:20Virtual Work
1.4K
The principle of virtual work states that if a body is in static and dynamic equilibrium, then the sum of all the virtual work done by all external forces and couple moments for any given virtual displacement must be zero.
In static equilibrium, a body can experience an imaginary or virtual movement, such as displacement or rotation. The virtual work done by a force is equal to the dot product of force and virtual displacement in the direction of the force. When it comes to virtually rotating a...
In static equilibrium, a body can experience an imaginary or virtual movement, such as displacement or rotation. The virtual work done by a force is equal to the dot product of force and virtual displacement in the direction of the force. When it comes to virtually rotating a...
1.4K
01:28Ending Relationships
194
The dissolution of intimate relationships presents complex emotional and psychological challenges, particularly when emotional bonds are strong, the relationship is long-standing, and perceived alternatives are limited. This distress often intensifies in romantic breakups, where the initiator may experience greater turmoil than the rejected partner. Contributing factors include residual attachment, guilt over causing pain, and uncertainty about how to manage the situation. The stress is further...
194
02:26Protein Networks
4.6K
An organism can have thousands of different proteins, and these proteins must cooperate to ensure the health of an organism. Proteins bind to other proteins and form complexes to carry out their functions. Many proteins interact with multiple other proteins creating a complex network of protein interactions.
These interactions can be represented through maps depicting protein-protein interaction networks, represented as nodes and edges. Nodes are circles that are representative of a protein,...
These interactions can be represented through maps depicting protein-protein interaction networks, represented as nodes and edges. Nodes are circles that are representative of a protein,...
4.6K