Related Experiment Video
Updated: Jan 31, 2026
08:25
Radiation Planning Assistant - A Streamlined, Fully Automated Radiotherapy Treatment Planning System
Published on: April 11, 2018
15.9K
Planning Your Route: Where to Start?
Lahari Sengupta1, Radu Mariescu-Istodor1, Pasi Fränti1
1Machine Learning, School of Computing, University of Eastern Finland, Joensuu, Finland.
Computational Brain & Behavior
|January 1, 2019
Summary
Choosing the right starting point for a tour significantly impacts its total length. This study compares strategies for open-loop Traveling Salesman Problems (TSP), finding optimal start locations can reduce tour length.
Area of Science:
- Computational geometry
- Operations research
- Human-computer interaction
Background:
- Tour planning is crucial for location-based services, often modeled as Traveling Salesman Problems (TSP) or Vehicle Routing Problems (VRP).
- Optimizing tour length is a primary objective, but the choice of starting location can significantly affect the outcome, especially in open-loop scenarios.
Purpose of the Study:
- To investigate and compare different strategies for selecting the optimal starting location in an open-loop TSP.
- To evaluate the impact of starting location choice on overall tour length optimization.
Main Methods:
- Analysis of three distinct strategies for selecting a starting location for open-loop TSP.
- Comparison of strategy effectiveness in minimizing tour length under varying visibility conditions (full visibility vs. bounding box).
Main Results:
- Human intuition for selecting starting points (convex hull, furthest point) is analyzed.
- Strategies for limited visibility (bounding box) suggest starting from a corner or shorter side of the box.
- A suboptimal starting location choice can increase tour length by up to 20%.
Conclusions:
- The selection of the starting location is a critical factor in optimizing tour length for open-loop TSP.
- Understanding visibility constraints is key to developing effective starting location strategies.
- Implementing optimized starting point selection can lead to substantial tour length reductions.
Related Concept Videos
02:20Routes of Persuasion
68.7K
Persuasion is the process of changing our attitude toward something based on some kind of communication. Much of the persuasion we experience comes from outside forces. How do people convince others to change their attitudes, beliefs, and behaviors? What communications do you receive that attempt to persuade you to change your attitudes, beliefs, and behaviors?
68.7K
01:23Sampling Plans
985
Sampling is a crucial step in analytical chemistry, allowing researchers to collect representative data from a large population. Common sampling methods include random, judgmental, systematic, stratified, and cluster sampling.
Random sampling is a method where each member of the population has an equal chance of being selected for the sample. It involves selecting individuals randomly, often using random number generators or lottery-type methods. For example, when analyzing the properties of a...
Random sampling is a method where each member of the population has an equal chance of being selected for the sample. It involves selecting individuals randomly, often using random number generators or lottery-type methods. For example, when analyzing the properties of a...
985
01:21Planning Nursing Care I
5.9K
The planning phase of the nursing process helps nurses set priorities, outline patient-centered goals and expected outcomes, and tailor nursing interventions to align with the aligned care plan. Through the planning phase, the nurse applies critical thinking skills to align and develop interventions according to the patient's needs. It provides continuity of care allowing patients to receive the maximum benefit from treatment. It serves as a pilot plan for allocating individual staff to a...
5.9K
01:29Planning Nursing Care II
3.8K
A nursing care plan can present in two forms: informal and formal. Informal is a care plan for the individual use of the nurse and goals they wish to accomplish during their shift. Informal care plans are not included in the patient chart. A formal nursing care plan is a written or computerized guide that organizes patient care. It is further subdivided into two: standardized and individualized care plans. Standardized care plans are pre-populated care plans for specific patient populations,...
3.8K
01:25Routes of Drug Administration: Parenteral
2.9K
The administration of drugs via parenteral routes allows for direct drug introduction into the systemic circulation, resulting in high bioavailability because the medication bypasses the harsh conditions of the gastrointestinal tract and hepatic metabolism.
The intravenous route (IV) of drug administration can be further categorized into two types. The bolus injection administers the entire dose rapidly, while an intravenous infusion slowly delivers smaller doses steadily.
The IV route is often...
The intravenous route (IV) of drug administration can be further categorized into two types. The bolus injection administers the entire dose rapidly, while an intravenous infusion slowly delivers smaller doses steadily.
The IV route is often...
2.9K
01:22Routes of Drug Administration: Overview
9.6K
Drug administration involves delivering drugs to the body through various routes, such as enteral, parenteral, and topical.
Enteral administration refers to drugs absorbed through the gastrointestinal tract. They can be swallowed (perorally), placed under the tongue (sublingually), or on the inner lining of the cheeks (buccally). Perorally administered drugs take time to be absorbed and have a slower onset of action. The rectal route is another form of enteral administration, which allows for...
Enteral administration refers to drugs absorbed through the gastrointestinal tract. They can be swallowed (perorally), placed under the tongue (sublingually), or on the inner lining of the cheeks (buccally). Perorally administered drugs take time to be absorbed and have a slower onset of action. The rectal route is another form of enteral administration, which allows for...
9.6K