Turn all of the tiki pieces flat-side-up and sort them into three groups of three, according to the symbol on their backs (three starfish, three shells, three fish bones). Select any group of same-symbol tikis and line them up, flat-side down, in the top three spaces of the grooved section of the board highlighted by the torches. Then line-up another group of three below them in the middle three spaces and then the final group below them in the last three spaces. The finished line should be 9 tikis tall. Note: It does not matter which group of symbols goes in which section, nor does it matter the order of the tikis within each group.

Rules in Play

The rapid development of digital technologies has the potential to revitalise contemporary education. Location-based games built on satellite-based navigation system technologies in smartphones is a new technology that truly opens up new forms to orchestrate didactic ideas that can unlock the classroom constraint in traditional education. This study aims to describe and discuss the orchestration of concepts from the history of didactics in location-based games settings. Building on Aristotle, Comenius, Dewey and Plato, it combines the ancient idea of learning by walking with the ideas of flipped classrooms, gamebased learning, and learning by interplay with the surrounding society.

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Aristotle, Comenius, Dewey, Plato and Pokémon GO: Walking with Location-based Games in the Footsteps of Didactic Giants.

In this paper we present a lamp prototype that projects controllable shadows to create an ambient backdrop for dialogic reading between parents and their children. The lamp uses four electrochromic displays that allow masking the light and thereby control the shadows that are projected upward onto the ceiling. The displays can switch between general ambience picture and a certain story point in a Smurf book. These displays were used in a reading study with parents reading for their children and a focus group session. The results indicate that the lamp helped in spurring interest and a dialog about the story being read. The used technology proved to be implicitly triggering questions and discussion about the story by creating suspension when switching between the different shadows.

"Do you think it is going to be the cock?": using ambient shadow projection in dialogic reading

The increasing availability of digital whole slide images opens new perspectives for computer-assisted image analysis complementing modern histopathology, assuming we can implement reliable and efficient image analysis algorithms to extract the biologically relevant information. Both validation and supervised learning techniques typically rely on ground truths manually made by human experts. However, this task is difficult, subjective and usually not exhaustive. This is a well-known issue in the field of biomedical imaging, and a common solution is the use of artificial “phantoms”. Following this trend, we study the feasibility of synthesizing artificial histological images to create perfect ground truths. In this paper, we show that it is possible to generate a synthetic whole slide image with reasonable computing resources, and we propose a way to evaluate its quality.

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Synthesizing whole slide images

Requirements are the basis upon which software architecture lies. As a consequence they should be expressed as precisely as possible in order to propose the best compromise between stakeholder needs and engineering constraints.While some measurements such as frame rate or latency are a widely known mean of expressing requirements in the 3D community, they often are loosely defined. This leads to software engineering decisions which exclude some of the most promising options.This paper proposes to adapt a non-functional requirements expression template used in general software architecture to the specific case of 3D based systems engineering. It shows that in the process some interesting proposals appear as a straightforward consequence of the better definition of the system to be built.

Requirement templates for distributed 3D graphics

An increasing number telehealth systems continuously collect selfreported data from patients. Objective and subjective collection of health data facilitates early detection and treatment of chronic conditions, but patient needs in these telehealth contexts are poorly understood. It is for example not clear how to support patients' reflection on their daily self-reported data. Inadequate support can result in fragmented daily health monitoring and poor adherence. This paper contributes 1) a synthesis of the related but hitherto disjunct personal informatics literature on self-tracking and 2) an indepth field study on how six people suffering chronic obstructive pulmonary disease (COPD) used a telehealth system as part of their health self-tracking. Our analysis showed that a telehealth solution which relegated patients to mere data suppliers missed out on opportunities to address user needs. We extended Li's 5-stage model to show where reflection manifested when interacting with the telehealth system.

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Am I Coughing More Than Usual?: Patient Reflections and User Needs on Tracking COPD Data in a Telehealth System

While the concept of photorealism has important applications in computer graphics, the research community has not agreed on a definition of photorealism that specifies how to measure it. We employed two different test procedures, which correspond to different use scenarios, in order to determine the photorealism of a virtual reconstruction of a historic Viking building using two different lighting techniques. Even in this limited case, the measured degree of photorealism appears to depend on both the test procedure as well as the tested imagery; therefore, we conclude that there is no single measure of photorealism that is appropriate in all situations. Instead, photorealism appears to be a multifaceted phenomenon that requires different measurement procedures for different use scenarios. CR Categories: I.3.7 [Computer Graphics]: Three-Dimensional Graphics and Realism—Color, shading, shadowing, and texture; H.1.2 [Models and Principles]: User/Machine Systems—Human factors

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Why a Single Measure of Photorealism Is Unrealistic

Mobile location-based games are experiences that entertain its players by requiring interactions mainly at points of interest (POIs). Navigation between POIs often involve the use of either a physical or digital map, not taking advantage of the opportunity available to engage users in activities between POIs. The present paper examines, how riddle solving as a navigational method affects enjoyability, flow, and spatial presence.

Enriching Location-Based Games with Navigational Game Activities

Location-based games entertain players usually by interactions at points of interest (POIs). Navigation between POIs often involve the use of either a physical or digital map, not taking advantage of the opportunity available to engage users in activities between POIs. The paper presents riddle solving as a navigational method for a location-based game. 10 families with 2-6 persons and at least one child in the age range 911 years old participated in the evaluation. Results show that riddle solving as a navigational method is more enjoyable than a 2D digital map. Additional findings from video recordings, field notes, questionnaires, logging and semi-structured interviews revealed that riddle solving has potential for engaging users in learning activities. Received on 22 November 2016; accepted on 06 October 2017; published on 08 November 2017

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Gamifying Navigation in Location-Based Applications

Interactive e-books could provide a smart learning environment by providing adults with facilitation support for encouraging children to speak. To reap benefits for the adult reader and subsequently the children’s language development, such support must be seamless to use for the reader and not impair the main experience of joint reading. This paper investigated, by means of video interaction analysis, how facilitation support can improve dialogic reading of daycare caregivers. Facilitation support consisted of providing good words and dialogic reading prompts on the top part of the screen outside the visual and textual story line of an interactive e-book. Ten caregivers with groups of two to three children between the ages of 22 and 48 months participated in the study. Caregivers in the facilitation support group used quality prompts more often than the control group. More prompting from caregivers correlated with more utterances from the children.

Stephanie Githa Nadarajah

Papers

Am I Coughing More Than Usual?: Patient Reflections and User Needs on Tracking COPD Data in a Telehealth System

Why a Single Measure of Photorealism Is Unrealistic

Enriching Location-Based Games with Navigational Game Activities

Gamifying Navigation in Location-Based Applications

What Is the Cat Doing? Supporting Adults in Using Interactive E-Books for Dialogic Reading