User Interaction in Semi-Automatic Segmentation of Organs at Risk: A Case Study in Radiotherapy

Accurate segmentation of organs at risk is an important step in radiotherapy planning. Manual segmentation being a tedious procedure and prone to inter- and intra-observer variability, there is a growing interest in automated segmentation methods. However, automatic methods frequently fail to provide satisfactory result, and post-processing...

Friends sharing opinions: Users become co-researchers to evaluate design concepts

The role of users in design is diversifying and increasing. Besides product evaluations and idea-generation sessions, users can collaborate in research that aims to find requirements for design by acting as researchers themselves. Earlier studies have addressed a variety of reasons why giving users the role of co-researcher makes sense: users...

Materials in products selection: Tools for including user-interaction in materials selection

Products do not only discriminate from other products in functionality, but also in the way they please users. The sensorial properties of materials influence whether a product provides adequate feedback or gives a pleasant emotional experience. Designing a specific userinteraction involves selecting appropriate materials that create that...