task guidance
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2021 ◽  
Vol 4 (1) ◽  
pp. 23
Author(s):  
Wen-Chih Chou ◽  
Wei-Zhong Feng ◽  
Hui-Ping Liu

The mode of agricultural operation affects the ecological environment, and the pollution of land by chemical pesticides also affects the environmental balance. The death of many bees affects pollination, and the animals in the upper layers of the food chain die. The pheromones are formulated with synthetic pheromones as bait and then trapped with appropriate insect traps to reduce the chance of pest mating. Table game matches the props of the garden and pests by moving the insects to the traps. The model constructed by the relationship between the shape of the bottom of the insect and the track. Augmented reality provides an interactive experience of an event-driven where the objects reside in the real world with computer-generated information. Users can use the QR codes to trigger online media. When students complete a specific task, they scan the QR Code with their mobile phone and get more exciting instructions and task guidance. Students satisfied to more in-depth knowledge of pheromones with AR too.


PLoS ONE ◽  
2021 ◽  
Vol 16 (3) ◽  
pp. e0248690
Author(s):  
Manuel Olguín Muñoz ◽  
Roberta Klatzky ◽  
Junjue Wang ◽  
Padmanabhan Pillai ◽  
Mahadev Satyanarayanan ◽  
...  

Wearable cognitive assistants (WCA) are anticipated to become a widely-used application class, in conjunction with emerging network infrastructures like 5G that incorporate edge computing capabilities. While prototypical studies of such applications exist today, the relationship between infrastructure service provisioning and its implication for WCA usability is largely unexplored despite the relevance that these applications have for future networks. This paper presents an experimental study assessing how WCA users react to varying end-to-end delays induced by the application pipeline or infrastructure. Participants interacted directly with an instrumented task-guidance WCA as delays were introduced into the system in a controllable fashion. System and task state were tracked in real time, and biometric data from wearable sensors on the participants were recorded. Our results show that periods of extended system delay cause users to correspondingly (and substantially) slow down in their guided task execution, an effect that persists for a time after the system returns to a more responsive state. Furthermore, the slow-down in task execution is correlated with a personality trait, neuroticism, associated with intolerance for time delays. We show that our results implicate impaired cognitive planning, as contrasted with resource depletion or emotional arousal, as the reason for slowed user task executions under system delay. The findings have several implications for the design and operation of WCA applications as well as computational and communication infrastructure, and additionally for the development of performance analysis tools for WCA.


Author(s):  
Georgianna Lin ◽  
Malcolm Haynes ◽  
Sarthak Srinivas ◽  
Pramod Kotipalli ◽  
Thad Starner

Where should a HWD be placed in a user's visual field? We present two studies that compare comfort, preference, task efficiency and accuracy for various HWD positions. The first study offsets a 9.2° horizontal field-of-view (FOV) display temporally (toward the ear) from 0° to 30° in 10° steps. 30° proves too uncomfortable while 10° is the most preferred position for a simple button-pushing game, corroborating results from previous single-task reading experiments. The second experiment uses a Magic Leap One to compare 10° x 10° FOV interfaces centered at line-of-sight, temporally offset 15° (center-right), inferiorly offset 15° (bottom-center), and offset in both directions (bottom-right) for an order picking task. The bottom-right position proved worst in terms of accuracy and several subjective metrics when compared to the line-of-sight position.


2020 ◽  
Vol 13 (2) ◽  
pp. 87-93
Author(s):  
David M. Smith ◽  
Charlotte Friend ◽  
Joanne Reeve

Growing numbers of people live with multi-morbidity. As patients’ lists of co-morbidities grow, so do the lists of their medications. Polypharmacy presents a significant challenge for both patients and clinicians. Polypharmacy can be appropriate, improving quality of life and life expectancy, but problematic, especially for patients living with frailty, and a growing burden. The task of trying to rationalise an extensive list of medications in a 10-minute appointment can seem like an impossible task. Guidance and support specifically aimed at trainees is limited. This article offers a starting point for GP trainees to stimulate their own exploration of this rapidly evolving subject.


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