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Posts tagged with: digital

Agisoft PhotoScan

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Agisoft PhotoScan (commonly known as PhotoScan) is a professional tool for a photogrammetry pipeline. It performs photogrammetric processing of digital images and generates 3D spatial data. Agisoft Photoscan is the dominant photogrammetric software on the market, being used by a range of professions, from archaeology, cartographers to creators of virtual worlds and game developers. Unlike Visual SfM, it contains a complete program to numerous specific tasks and different types of data, and, as a novice to photogrammetric software, was easily managed, with an efficient workflow system.

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Ogham Stones in Mindcraft

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In order to explore the potential of different generations, that could potentially participate in a community-based archaeology project, such as Ogham in 3D, or a different learning terrain, such as an exhibition in a library, I have been looking into Mindcraft.

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(Digital Literacies) A Pedagogy

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The cultivation of learning is a cognitive and emotional and social activity [Illeris 2002]

Investigation and identification of digital literacy activities, since the inception of the world wide web and personal computers, has been the concern of numerous researchers. The need for mastering electronic tools, ability to plan, execute and evaluate digital actions; these skills are now considered crucial [Fieldhouse & Nicholas 2008, Martin 2003].

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Digital Literacy

image of ancient greek lady writing with text digital literacies

As discussed in a previous article, Digital Literacies is one of the nine themes of Engaged Digital Citizenship. I wrote only briefly about it though, as it is a complex theme in itself and it warranted having its own article. Of all the nine themes of Engaged Digital Citizenship, Digital Literacy has the most meaning and potential to facilitate knowledge, ideas and communication in community based digital projects. In order to be able to research the benefits and obstacles within digital community-based projects, it is essential to understand what Digital Literacy means: with regard to the practical, pedagogical and lifelong learning. In this article I will discuss why we need to know about digital literacies.

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Engaged Digital Citizenship

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In my quest for the holy grail of knowledge; how individuals, community-based projects and digital technologies can positively facilitate each other, I am researching ‘engaged digital citizenship’.  To truly understand how individuals can become digital citizens, I am looking at the policies and research on the subjects of engaged digital citizenship, including digital communications, digital literacies and digital health and well-being. By being acutely aware of the themes of Digital Citizenship, I can gauge better the successfulness of a digital praxis in a community-led project.

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Visual SfM: 3D Construction through Structure from Motion

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From reviewing the paper The Untapped Potential of Low Cost Photogrammery in Community-Based Archaeology, it was easy to see that photogrammetry can be used as an alternative to high resolution surveying with high costs.

Traditional softcopy photogrammetric methods require the 3-D location and pose of the camera(s), or the 3-D location of ground control points to be known to facilitate scene triangulation and reconstruction. In contrast, the SfM method solves the camera pose and scene geometry simultaneously and automatically, using a highly redundant bundle adjustment based on matching features in multiple overlapping, offset images [Westoby et al 2012].

Structure from motion is the geometry of creating 3D models from 2D images. If you are interested in the maths behind SfM, visit Prof. Rob Fergus’s lecture notes on Computer Vision, or geometric vision, in particular Lecture 6 on Multiview Stereo & Structure from Motion.  It is quite interesting to see the process. Thankfully, to Wu Changchang, we don’t need to understand the mathematics behind how Structure from Motion works, to be able to use it. In his post-doc year at University of Washington Seattle, he developed Visual SfM.

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Digital Storytelling

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Digital storytelling is a short form of digital media production that allows everyday people to share aspects of their life story. The media used may include the digital equivalent of film techniques (full-motion video with sound), animation, stills or audio.

Everyone has many powerful stories to tell and people who believe they are mundane, uninteresting, or unmemorable possess beneath this mask a vivid, complex, and rich body of stories just waiting to be told”.- Center for Digital Storytelling

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Digitalis 2.0

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Digitalis 2.0 is a 2 day conference taking place on Thursday and Friday, April 7-8, 2016. Myself, along with other MA Digital Cultures, MA Digital Humanities and PHD students, will be presenting series of talks on our interests and research. It takes place at the Active Learning Space, Food and Technology Building, UCC from 10am-3pm.

As part of course, we get to stage this 2 day conference. It is a great experience to organise the conference, build on your strengths, depending on what role you play in the organization, and most of all to get to spend 2 ys with your fellow students, hearing all about their interests.

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Tools

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We can learn more from each other when information is open. A free exchange of ideas is critical to creating an environment where people are allowed to learn and use existing information toward creating new ideas.

Participation and collaboration is a fundamental key to being about to live in a community orientated fair world. Open Source software applies these principles to the development and sharing of new kinds of alternative digital platforms.

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