Sunday 30 June 2019

June 2019's Top posts on Computing in Northamptonshire



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All views and opinions are the author's and do not necessarily reflected those of any organisation they are associated with. Twitter: @scottturneruon
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Sunday 23 June 2019

Hello Word - Thomas' Tangles are here

In the 9th Edition  of the Hello World, Thomas' Tangles has been published (pg 74-75), as part of an issue focussing on Computing and the Arts in schools. Hello World is a magazine for educators with an interest in computing and digital making, published by the Raspberry Pi Foundation.

 This activity is aimed at showing that using an algorithm, we can start producing drawings without a computer but with dice, squared paper and pens. Originally, it was developed as an unplugged (without a computer) activity within a chapter (co-written with Katherine Childs) on Computing and Arts in the edited book

Teaching Computing Unplugged in Primary Schools. The name Thomas' Tangles came from my son who developed the activity with me.




An interesting thing to do (well I enjoy it) is to turn the idea in a Scratch version, for example as in  helloworld.cc/tangles. 

 You might need to play with the algorithm a bit such as allowing blocks to draw over blocks and size of the moves might change. I tried this idea with a group of Code Clubbers; they started off unsure if they could do it but all produced something and interestingly each with their own take on it. Below is my attempt it, press the green flag to see it go.



 The whole magazine https://magazines-static.raspberrypi.org/issues/full_pdfs/000/000/084/original/HW__9_Digitaledition.pdf?1560282700 




All views and opinions are the author's and do not necessarily reflected those of any organisation they are associated with. Twitter: @scottturneruon
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Saturday 22 June 2019

Natural-Spontaneous Affective-Cognitive dataset for Adult Students

A. Dawood, S. Turner and P. Perepa, "Natural-Spontaneous Affective-Cognitive dataset for Adult Students with and without Asperger Syndrome (AS)," in IEEE Access.
DOI: 10.1109/ACCESS.2019.2921914
Abstract: Any viable algorithm to infer affective states of individuals with autism requires natural and reliable data in real time and in an uncontrolled environment. For this purpose, this study provides a new natural-spontaneous affective-cognitive dataset based on facial expressions, eye gaze, and head movements for adult students with and without Asperger syndrome (AS). The data gathering and collecting in a computer-based learning environment is one of the significant areas, which has attracted researchers’ attention in affective computing applications. Due to the important impact of emotions on students learning outcome and their performance, the dataset included a range of affective-cognitive states which goes beyond basic emotions. This study reports the methodology that was used in data collection and annotation. Description and comparison of other available datasets were summarized, also the study presents the results that were concluded in more details. In addition, some challenges that were inherent to this study.

keywords: {Autism;Head;Visualization;Lighting;Videos;Real-time systems;Data collection;emotional dataset;autism;Asperger Syndrome;spontaneous;natural;facial expressions;affective computing;affective-cognitive states},
To read the paper go to URL: https://ieeexplore.ieee.org/document/8733795


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Tuesday 11 June 2019

Abstract Painting Practice: Expanding in a Virtual World

Goodyear, A., & Mu, M. (Accepted/In press). Abstract Painting Practice: Expanding in a Virtual World. Paper presented at ACM International Conference on Interactive Experiences for TV and Online Video (TVX'19), .

Abstract

This paper sets out to describe, through a demo for the TVX Conference, how virtual reality (VR) painting software is beginning to open up as a new medium for visual artists working in the field of abstract painting.The demo achieves this by describing how an artist who usually makes abstract paintings with paint and canvas in a studio, that is those existing as physical objects in the world, encounters and negotiates the process of making abstract paintings in VR using Tilt Brush software and Head-Mounted Displays (HMD). This paper also indicates potential future avenues for content creation in this emerging field and what this might mean not only for the artist and the viewer, but for art institutions trying to provide effective methods of delivery for innovative content in order to develop and grow new audiences.


All views and opinions are the author's and do not necessarily reflected those of any organisation they are associated with. Twitter: @scottturneruon
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Tuesday 4 June 2019

Free Augmented Reality (updated with further links)

This post is part of the materials for a session on Augmented Reality presenting at the 2019 SolSTICE eLearning and CLT Conference 5-6th June 2019 Edge Hill University https://www.edgehill.ac.uk/solstice/files/2019/05/2019-Book-of-Abstracts.pdf  and the #MergedFutures Event on 14th June 2019.

1. Introduction





                                                                                
So if we go to
https://thimbleprojects.org/scottturneruon/692403

Using the markers above with this url running on your device (with a camera enabled) it should add two new objects over the markers. you will need a copy of these images printed out. If you have it I would suggest running it in Firefox.




2. Getting Started
The guide for all this is https://aframe.io/blog/arjs/, with this you have pretty much everything you need.






To start your own go to https://glitch.com/ -> new project ->Hello World project

In the index.html deleted everything in there and replace it with

Should have a white box over the Hiro marker when the web camera/phone/tablet is shown the markers.


The code  not in bold below just sets it up - to play with it we don’t need to worry about what it does - we can just use it. The bit in bold is the bit initially we change or add to – in this case it puts a default white box over the marker.





It can be seen at https://decisive-cookie.glitch.me

3. Playing with other objects

Now if we replace



With


We get a blue ball in place of the box


Now for some fun
http://www.pngall.com/bee-png/download/84 is a bee image – download it


Go back to Glitch, and if we go to assets we can add the image. Open up the folder that has the downloaded image and drag it into the asset window.

When it stops downloading and shows the image, click on the image to get the new web address we are going to need that next. so take a copy of it.

If we replace



With the following by just adding in src="https://cdn.glitch.com/04b86bba-0978-4bf4-b3a7-2ece72336f90%2FBee-PNG.png" as below
    


We get a blue ball with a bee stretched over it. But it doesn’t look that great if we remove the color=”blue” we see the bee stuck at the bottom of the ball still but the colours are back.


Now if we replace
    


With commands to rotate the sphere



We get a rotating sphere with the image on it.

This can be found at https://simplistic-wakeboard.glitch.me and works with the Hiro marker


If you want to find out how I felt about presenting go to https://dandy-custard.glitch.me/



Now let's try a GIF
https://giphy.com/gifs/ar-vr-uon-dWsKM0qQeY9DhSUslT/media


Download the GIF and then copy (drag and drop) into the asset folder of your project  get the web address and put into src=”” in place of the one that is there already

An example can be found at https://root-reply.glitch.me/ and works with the Hiro marker.




4. Issues and Thoughts

  • Make sure all the markers have white space surrounding them.



  • If I am honest, the technology is cool and useful for educational use, but I not sure where it all can go.   The question is what can others come up with to use it, I would love to hear about it.







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All views and opinions are the author's and do not necessarily reflected those of any organisation they are associated with. Twitter: @scottturneruon
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Sunday 2 June 2019

Demystifying Blockchain for businesses

Short presentation on an introduction to blockchain presented to the Northamptonshire Logistics Forum on 21st May 2019.

Citation: Turner, S., 2019. Demystifying Blockchain for businesses. https://doi.org/10.6084/m9.figshare.8158952.v1




All views and opinions are the author's and do not necessarily reflect those of any organisation they are associated with. Twitter: @scottturneruon
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Saturday 1 June 2019

Computing in Northamptonshire's 10 most popular posts of May 2019

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All views and opinions are the author's and do not necessarily reflected those of any organisation they are associated with. Twitter: @scottturneruon
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