Abstract:For complex segmentation tasks, the achievable accuracy of fully automated systems is inherently limited. Specifically, when a precise segmentation result is desired for a small amount of given data sets, semi-automatic methods exhibit a clear benefit for the user. The optimization of human computer interaction (HCI) is an essential part of interactive image segmentation. Nevertheless, publications introducing novel interactive segmentation systems (ISS) often lack an objective comparison of HCI aspects. It is… Show more
“…There is a need to identify methods that are able to quickly assess hundreds or thousands of design possibilities and rank them similarly to how they would be with a human data driven tool such as SUS. Some work in this direction has been done within very specific contexts, such as usability evaluation of new interfaces for image segmentation systems, such as those used to identify anomalies in medical scans (Amrehn, et. al.…”
Section: Human Voice and Assessing Usabilitymentioning
This paper discusses the potential of the application of generative design to assistive devices. The concept of a cyber-physical human system is presented. An example case of generative design to explore innovative design solutions with novel features is presented. Outstanding challenges and gaps in research are discussed.
“…There is a need to identify methods that are able to quickly assess hundreds or thousands of design possibilities and rank them similarly to how they would be with a human data driven tool such as SUS. Some work in this direction has been done within very specific contexts, such as usability evaluation of new interfaces for image segmentation systems, such as those used to identify anomalies in medical scans (Amrehn, et. al.…”
Section: Human Voice and Assessing Usabilitymentioning
This paper discusses the potential of the application of generative design to assistive devices. The concept of a cyber-physical human system is presented. An example case of generative design to explore innovative design solutions with novel features is presented. Outstanding challenges and gaps in research are discussed.
“…In a study by Amrehn et al, 23 it was concluded that interactive segmentation methods are beneficial for complex structures as opposed to fully automated segmentation methods that inherently lack domain knowledge.…”
This study presents a holistic segmentation procedure, which can be used to obtain individual fibre inclination angles from X-ray computed tomography. The segmentation approach is based on principal component analysis and was successfully applied for a unidirectional and an air-textured glass fibre–reinforced composite profile. The inclination results show a weighted mean fibre inclination of 2.1° and 8.0° for the unidirectional and air-textured profile, respectively. For the air-textured composite, fibre inclinations of up to 55° were successfully segmented. The results were verified by comparative analysis with equivalent results obtained from structure tensor analysis – showing no notable deviation. The comparable characteristics in combination with the distinct differences of the two material systems make this case study ideal for verification and validation of idealized models. It is shown how this approach can provide fast, accurate and repeatable inclination estimates with a high degree of automation.
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