title: Using Motion Controllers in Virtual Conferencing

authors: Dean, Jesse Joseph Busch

subjects: Kinect

abstract: At the end of 2010 Microsoft released a new controller for the Xbox 360 called Kinect. Unlike ordinary video game controllers, the Kinect works by detecting the positions and movements of a user’s entire body using the data from a sophisticated camera that is able to detect the distance between itself and each of the points on the image it is capturing. The Kinect device is essentially a low-cost, widely available motion capture system. Because of this, almost immediately many individuals put the device to use in a wide variety applications beyond video games.

This thesis investigates one such use; specifically the area of virtual meetings. Virtual meetings are a means of holding a meeting between multiple individuals in multiple locations using the internet, akin to teleconferencing or video conferencing. The defining factor of virtual meetings is that they take place in a virtual world rendered with 3D graphics; with each participant in a meeting controlling a virtual representation of them self called an avatar.

Previous research into virtual reality in general has shown that there is the potential for people to feel highly immersed in virtual reality, experiencing a feeling of really ‘being there’. However, previous work looking at virtual meetings has found that existing interfaces for users to interact with virtual meeting software can interfere with this experience of ‘being there’. The same research has also identified other short comings with existing virtual meeting solutions.

This thesis investigates how the Kinect device can be used to overcome the limitations of exiting virtual meeting software and interfaces. It includes a detailed description of the design and development of a piece of software that was created to demonstrate the possible uses of the Kinect in this area. It also includes discussion of the results of real world testing using that software, evaluating the usefulness of the Kinect when applied to virtual meetings.

text: Using Motion Controllers in Virtual Conferencing At the end of 2010 Microsoft released a new controller for the Xbox 360 called Kinect. Unlike ordinary video game controllers, the Kinect works by detecting the positions and movements of a user’s entire body using the data from a sophisticated camera that is able to detect the distance between itself and each of the points on the image it is capturing. The Kinect device is essentially a low-cost, widely available motion capture system. Because of this, almost immediately many individuals put the device to use in a wide variety applications beyond video games.

This thesis investigates one such use; specifically the area of virtual meetings. Virtual meetings are a means of holding a meeting between multiple individuals in multiple locations using the internet, akin to teleconferencing or video conferencing. The defining factor of virtual meetings is that they take place in a virtual world rendered with 3D graphics; with each participant in a meeting controlling a virtual representation of them self called an avatar.

Previous research into virtual reality in general has shown that there is the potential for people to feel highly immersed in virtual reality, experiencing a feeling of really ‘being there’. However, previous work looking at virtual meetings has found that existing interfaces for users to interact with virtual meeting software can interfere with this experience of ‘being there’. The same research has also identified other short comings with existing virtual meeting solutions.

This thesis investigates how the Kinect device can be used to overcome the limitations of exiting virtual meeting software and interfaces. It includes a detailed description of the design and development of a piece of software that was created to demonstrate the possible uses of the Kinect in this area. It also includes discussion of the results of real world testing using that software, evaluating the usefulness of the Kinect when applied to virtual meetings.

year: 2012

title: BlockCopy-based operators for evolving efficient wind farm layouts

authors: Mayo, Michael

subjects: computer science

abstract: A novel search operator, BlockCopy, is proposed for efficiently solving the wind farm layout optimisation problem. BlockCopy, which can be used either as mutation or a crossover operator, copies patterns of turbines from part of a layout to another part. The target layout may be the same as the source, or a different layout altogether. The rationale behind this is that it is the relative configurations of turbines rather than their individual absolute positions on the layouts that count, and BlockCopy, for the most part, maintains relative configurations. Our evaluation on four benchmark scenarios shows that BlockCopy outperforms two other standard approaches (namely, the turbine displacement algorithm and random perturbation) from the literature. We also evaluate the BlockCopy operator in conjunction with both singlesolution and population-based strategies.

text: BlockCopy-based operators for evolving efficient wind farm layouts A novel search operator, BlockCopy, is proposed for efficiently solving the wind farm layout optimisation problem. BlockCopy, which can be used either as mutation or a crossover operator, copies patterns of turbines from part of a layout to another part. The target layout may be the same as the source, or a different layout altogether. The rationale behind this is that it is the relative configurations of turbines rather than their individual absolute positions on the layouts that count, and BlockCopy, for the most part, maintains relative configurations. Our evaluation on four benchmark scenarios shows that BlockCopy outperforms two other standard approaches (namely, the turbine displacement algorithm and random perturbation) from the literature. We also evaluate the BlockCopy operator in conjunction with both singlesolution and population-based strategies.

year: 2016

title: Te ao hurihuri : iwi identification in the census

authors: Kukutai, Tahu

abstract: As the flagship of official statistics, the national population census is an important forum for the recognition of indigenous peoples in their homelands and territories (United Nations, 2008). While most governments worldwide count and classify their populations by ethnicity, New Zealand is rare in enabling multiple expressions of indigenous identity in the census. Since 1991, it has been possible to identify as Māori in three ways: by descent, ethnicity and iwi (tribal) affiliation (see Figure 1). The Māori descent population is the largest— in 2013, just under 669,000 individuals ticked the Māori descent box. The number identifying as Māori by ethnicity - intended as a measure of cultural belonging - was substantially lower at just under 600,000. Most of the remaining 69,000 Māori descendants identified solely as NZ European. In 2013 nearly 83 per cent of Māori descendants (n=535,941) reported belonging to at least one iwi. Of those that did not report an iwi affiliation, 40 per cent did not identify as Māori by ethnicity either.

text: Te ao hurihuri : iwi identification in the census As the flagship of official statistics, the national population census is an important forum for the recognition of indigenous peoples in their homelands and territories (United Nations, 2008). While most governments worldwide count and classify their populations by ethnicity, New Zealand is rare in enabling multiple expressions of indigenous identity in the census. Since 1991, it has been possible to identify as Māori in three ways: by descent, ethnicity and iwi (tribal) affiliation (see Figure 1). The Māori descent population is the largest— in 2013, just under 669,000 individuals ticked the Māori descent box. The number identifying as Māori by ethnicity - intended as a measure of cultural belonging - was substantially lower at just under 600,000. Most of the remaining 69,000 Māori descendants identified solely as NZ European. In 2013 nearly 83 per cent of Māori descendants (n=535,941) reported belonging to at least one iwi. Of those that did not report an iwi affiliation, 40 per cent did not identify as Māori by ethnicity either.

year: 2015