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Articles 1231 - 1260 of 2377
Full-Text Articles in Physical Sciences and Mathematics
Private Fingerprint Matching, Siamak Shahandashti, Reihaneh Safavi-Naini, Philip Ogunbona
Private Fingerprint Matching, Siamak Shahandashti, Reihaneh Safavi-Naini, Philip Ogunbona
Professor Philip Ogunbona
We propose a fully private fingerprint matching protocol that compares two fingerprints based on the most widely-used minutia-based fingerprint matching algorithm. The protocol enables two parties, each holding a private fingerprint, to find out if their fingerprints belong to the same individual. Unlike previous works, we do not make any simplifying assumption on the matching algorithm or use generic multiparty computation protocols in our constructions. We employ a commonly-used algorithm that works by first comparing minutia pairs from the two fingerprints based on their types, locations, and orientations, and then checking if the number of matching minutia pairs is more …
Illumination Invariant Face Detection Using Classifier Fusion, Alister Cordiner, Philip Ogunbona, Wanqing Li
Illumination Invariant Face Detection Using Classifier Fusion, Alister Cordiner, Philip Ogunbona, Wanqing Li
Professor Philip Ogunbona
An approach to the problem of illumination variations in face detection that uses classifier fusion is presented. Multiple face detectors are seperately trained for different illumination environments and their results are combined using a combination rule. To define the illumination environments, the training samples are clustered based on their illumination using unsupervised training. Different methods of clustering the samples and combining the outputs of the classifiers are examined. Experiments with the AR face database show that the proposed method achieves higher accuracy than the traditional monolithic face detection method.
Optimal Image Watermark Decoding, Wenming Lu, Wanqing Li, Reihaneh Safavi-Naini, Philip Ogunbona
Optimal Image Watermark Decoding, Wenming Lu, Wanqing Li, Reihaneh Safavi-Naini, Philip Ogunbona
Professor Philip Ogunbona
Not much has been done in utilizing the available information at the decoder to optimize the decoding performance of watermarking systems. This paper focuses on analyzing different decoding methods, namely, Minimum Distance, Maximum Likelihood and Maximum a-posteriori decoding given varying information at the decoder in the blind detection context. Specifically, we propose to employ Markov random fields to model the prior information given the embedded message is a structured logo. The application of these decoding methods in Quantization Index Modulation systems shows that the decoding performance can be improved by Maximum Likelihood decoding that exploits the property of the attack …
A Novel Multi-Image Query Techniques For Automatic Query Concept Capture, Fenghui Ren, Philip Ogunbona, Lei Ye
A Novel Multi-Image Query Techniques For Automatic Query Concept Capture, Fenghui Ren, Philip Ogunbona, Lei Ye
Professor Philip Ogunbona
No abstract provided.
Description Of Evolutional Changes In Image Time Sequences Using Mpeg-7 Visual Descriptors, Lei Ye, Lingzhi Cao, Philip Ogunbona, Wanqing Li
Description Of Evolutional Changes In Image Time Sequences Using Mpeg-7 Visual Descriptors, Lei Ye, Lingzhi Cao, Philip Ogunbona, Wanqing Li
Professor Philip Ogunbona
Colour and texture visual descriptors have been developed to represent structural features of images, mainly under the Query-by- Example (QBE) image retrieval paradigm. This paper explores applicability of MPEG-7 visual descriptors to describe and measure evolutional changes in image time sequences, using a fruit rotting process as an example. The research found that MPEG-7 visual descriptors can be applied to describe evolutional changes in image time sequences. The experimental results are provided using bananas captured in image time sequences. The results show the desirable monotonicity of description metrics of MPEG-7 similarity matching for image time sequences and their sensitivity to …
Region-Based Watermarking By Distribution Adjustment, Gareth Brisbane, Reihaneh Safavi-Naini, Philip Ogunbona
Region-Based Watermarking By Distribution Adjustment, Gareth Brisbane, Reihaneh Safavi-Naini, Philip Ogunbona
Professor Philip Ogunbona
No abstract provided.
Decolonising, Multiplicities And Mining In The Eastern Goldfields, Western Australia, Leah Gibbs
Decolonising, Multiplicities And Mining In The Eastern Goldfields, Western Australia, Leah Gibbs
Leah Maree Gibbs
In this 'postcolonial' era, peoples and places around the globe continue to face ongoing colonisation. Indigenous peoples in particular experience colonisation in numerous forms. Despite recent attempts to 'decolonise' indigenous spaces, hegemonic systems of production, governance and thinking often perpetuate colonial structures and relationships, resulting in further entrenched colonisation or 'deep colonising' (Rose, 1999). The interface between indigenous communities and the mining industry provides fertile ground for the tensions emerging between decolonising and deep colonising. Gold mining operations at Placer Dome's Granny Smith mine in the Eastern Goldfields of Western Australia present a valuable case study for examining this tension. …
Interventions On The Meanings Of The Obama Presidency For Us Relations With Global Regions, Maano Ramutsindela, Takashi Yamazak, Christopher Gibson, Virginie Mamadouh
Interventions On The Meanings Of The Obama Presidency For Us Relations With Global Regions, Maano Ramutsindela, Takashi Yamazak, Christopher Gibson, Virginie Mamadouh
Chris Gibson
The election of Barack Obama as President of the United States in November 2008 was an event of global significance. Departing from the usual format of the Political Geography Specialty Group plenary lecture (co-sponsored by the publisher of this journal, Elsevier Science) at the annual meeting of the Association of American Geographers, the editors asked four international board members to present their views on the meaning of the Obama victory for US relations with the countries of their respective regions at the annual meeting in Las Vegas, NV in March 2009. Their commentaries were later updated to reflect the early …
The Extent And Significance Of Rural Festivals, Gordon Waitt, Christopher Gibson, John Connell, Jim Walmsley
The Extent And Significance Of Rural Festivals, Gordon Waitt, Christopher Gibson, John Connell, Jim Walmsley
Chris Gibson
No abstract provided.
Decolonizing The Production Of Geographical Knowledges? Reflections On Research With Indigenous Musicians, Christopher Gibson
Decolonizing The Production Of Geographical Knowledges? Reflections On Research With Indigenous Musicians, Christopher Gibson
Chris Gibson
No abstract provided.
A Country That Makes Things?, Christopher Gibson, Chantel Carr, Andrew Warren
A Country That Makes Things?, Christopher Gibson, Chantel Carr, Andrew Warren
Chris Gibson
The announcement in August 2011 that BlueScope Steel was about to close one of its Port Kembla blast furnaces and cease steel exports quickly spurred public debate, not just about steel but about the very future of manufacturing in Australia. With an elevated Australian dollar, job losses have followed in garment-making, car manufacturing and aluminium smelting. Even the iconic Australian fly-spray Mortein is now heading for offshore production. Australian Workers’ Union National Secretary Paul Howes thus suggested: ‘The question the Australian community needs to ask itself*is do we want to be a country that still makes things? Do we want …
Music Festivals: Transformations In Non-Metropolitan Places, And In Creative Work, Christopher Gibson
Music Festivals: Transformations In Non-Metropolitan Places, And In Creative Work, Christopher Gibson
Chris Gibson
No abstract provided.
Unchanging Places, Christopher Gibson
The Cultural Research Network: Opportunities For A Rhizomic Future For Geography In Australia?, Christopher Gibson
The Cultural Research Network: Opportunities For A Rhizomic Future For Geography In Australia?, Christopher Gibson
Chris Gibson
No abstract provided.
The Shifting Spaces And Practices Of Dance Music Djs In Dunedin, Christopher Gibson, Andrew Mcgregor
The Shifting Spaces And Practices Of Dance Music Djs In Dunedin, Christopher Gibson, Andrew Mcgregor
Chris Gibson
No abstract provided.
Counter-Geographies: The Campaign Against Rationalisation Of Agricultural Research Stations In New South Wales, Australia, Christopher Gibson, S Phillips, R. Dufty, Heather Smith
Counter-Geographies: The Campaign Against Rationalisation Of Agricultural Research Stations In New South Wales, Australia, Christopher Gibson, S Phillips, R. Dufty, Heather Smith
Chris Gibson
No abstract provided.
Cool Places, Creative Places? Community Perceptions Of Cultural Vitality In The Suburbs, Chris Gibson, Chris Brennan-Horley, Beth Laurenson, Naomi Riggs, Andrew Warren, Ben Gallan, Heidi Brown
Cool Places, Creative Places? Community Perceptions Of Cultural Vitality In The Suburbs, Chris Gibson, Chris Brennan-Horley, Beth Laurenson, Naomi Riggs, Andrew Warren, Ben Gallan, Heidi Brown
Chris Gibson
This article stems from a project examining cultural assets in Wollongong - a medium-sized Australian city with a decentralized and linear suburban pattern that challenges orthodox binaries of inner-city bohemia/outer-suburban domesticity. In Wollongong we documented community perceptions of cultural assets across this unusual setting, through a simple public research method. At the city's largest annual festival we recruited the general public to nominate the city's most 'cool' and 'creative' places, by drawing on a map of Wollongong and telling their stories. Hand-drawn maps from 205 participants were combined in a Geographical Information System and 50 hours of stories transcribed for …
'No Passport Necessary' : Music, Record Covers And Vicarious Tourism In Post-War Hawai'i, John Connell, Christopher Gibson
'No Passport Necessary' : Music, Record Covers And Vicarious Tourism In Post-War Hawai'i, John Connell, Christopher Gibson
Chris Gibson
This paper analyses the relationship between the marketing and consumption of popular music and the historical representation of one tourist destination and its peoples. It focuses on how Hawai‘i was represented when it became an American state, mass tourism was emerging and graphic record covers were new. It traces the manner in which Hawai‘i was commodified and represented for vicarious consumption, and how particular musical objects created and reflected structures of tourism.
Chilling Out In The Country? Interrogating Daylesford As A 'Gay/Lesbian Rural Idyll', Andrew Gorman-Murray, Gordon Waitt, Christopher Gibson
Chilling Out In The Country? Interrogating Daylesford As A 'Gay/Lesbian Rural Idyll', Andrew Gorman-Murray, Gordon Waitt, Christopher Gibson
Chris Gibson
Recent scholarship suggests that the gay/lesbian idyllisation of rural places is an urban construct, constituted through metropolitan sensibilities, communities and imaginaries. We extend this work through examining the construction of Daylesford, Victoria, as a ‘gay/lesbian rural idyll’. Daylesford annually hosts ChillOut, Australia’s largest rural gay/lesbian festival, which underpins its idyllisation. Utilising data drawn from fieldwork conducted at the 2006 festival and commentaries circulated in the gay/lesbian media, we argue that not only is Daylesford idyllised in the Australian gay/lesbian imaginary, but that rurality and urbanity are hybridised in its framing as a ‘gay/lesbian rural idyll’. This is manifested in several …
The Cultural Dimension Of Urban Planning Strategies: An Historical Perspective, Christopher Gibson, Robert Freestone
The Cultural Dimension Of Urban Planning Strategies: An Historical Perspective, Christopher Gibson, Robert Freestone
Chris Gibson
No abstract provided.
(Putting) Mobile Technologies In Their Place: A Geographical Perspective, Chris Gibson, Susan Luckman, Chris Brennan-Horley
(Putting) Mobile Technologies In Their Place: A Geographical Perspective, Chris Gibson, Susan Luckman, Chris Brennan-Horley
Chris Gibson
No abstract provided.
Goodbye Pram City: Beyond Inner/Outer Zone Binaries In Creative City Research, Christopher Gibson, Christopher Brennan-Horley
Goodbye Pram City: Beyond Inner/Outer Zone Binaries In Creative City Research, Christopher Gibson, Christopher Brennan-Horley
Chris Gibson
No abstract provided.
New Dawn Or New Dusk? Beyond The Binary Of Day And Night, Christopher Gibson, Ben Gallan
New Dawn Or New Dusk? Beyond The Binary Of Day And Night, Christopher Gibson, Ben Gallan
Chris Gibson
In the first week of April 2011 The International Dark-Sky Association celebrated International Dark Sky Week, an annual event raising awareness of how artificial lighting is rapidly destroying the dark sky at night. In the same week, in post-tsunami Japan, debate emerged about whether to introduce unusual daylight-savings regula- tions and force companies to shift operating hours for workers to relieve the stress on the country's crippled power plants.
Shifting Welfare, Shifting People: Rural Development, Housing And Population Mobility In Australia, Rae Dufty, Christopher Gibson
Shifting Welfare, Shifting People: Rural Development, Housing And Population Mobility In Australia, Rae Dufty, Christopher Gibson
Chris Gibson
Rural welfare is more than addressing problems of ‘poverty’. As we argue here, social policy initiatives are also conceived by governments as solutions to geographical problems about uneven regional development and population distribution. What these problems were, and how welfare provision could solve them, has varied from generation to generation and takes shape in place-specific ways. That welfare provision has operated as de facto geographical development and population policy is particularly the case in Australia, in its context of massive continental size and heterogeneous rural places. In Australia, the ‘rural’ means much more than just the ‘countryside’ surrounding or between …
Life In A Northern (Australian) Town: Darwin's Mercurial Music Scene, Christopher Gibson, Christopher Brennan-Horley, Julie Willoughby-Smith, Susan Luckman
Life In A Northern (Australian) Town: Darwin's Mercurial Music Scene, Christopher Gibson, Christopher Brennan-Horley, Julie Willoughby-Smith, Susan Luckman
Chris Gibson
No abstract provided.
Chilling Out In 'Cosmopolitan Country': Urban/Rural Hybridity And The Construction Of Daylesford As A 'Lesbian And Gay Rural Idyll', Andrew Gorman-Murray, Gordon Waitt, Chris Gibson
Chilling Out In 'Cosmopolitan Country': Urban/Rural Hybridity And The Construction Of Daylesford As A 'Lesbian And Gay Rural Idyll', Andrew Gorman-Murray, Gordon Waitt, Chris Gibson
Chris Gibson
This paper advances scholarship on 'lesbian and gay rural idylls'. A growing literature examines how 'lesbian and gay rural idylls' are not only produced in opposition to the urban, but are themselves urban constructs. We extend these contentions by exploring the processes of idyllisation suffusing lesbian and gay festival tourism in Daylesford, a town in non-metropolitan Victoria, Australia. We find that Daylesford's idyllisation by the lesbian and gay tourism industry blurs the urban/rural binary, and instead hybridises rurality and urbanity in the tourism images and practices of 'cosmopolitan country' associated with the town. Research findings from Daylesford are analysed to …
Geography In Higher Education In Australia, Christopher Gibson
Geography In Higher Education In Australia, Christopher Gibson
Chris Gibson
No abstract provided.
Interrogating The Politics Of Gay/Lesbian Belonging In An Australian Country Town: A Case Study Of Daylesford, Victoria, And Local Responses To The Chillout Festival, Andrew Gorman-Murray, Gordon Waitt, Christopher Gibson
Interrogating The Politics Of Gay/Lesbian Belonging In An Australian Country Town: A Case Study Of Daylesford, Victoria, And Local Responses To The Chillout Festival, Andrew Gorman-Murray, Gordon Waitt, Christopher Gibson
Chris Gibson
This paper examines the nature of gasy/lesbian belonging in Daylesford, an Australian country town, contributing to work on both gay/lesbian rural geographies and the politics of belonging. Daylesford hosts ChillOut, Australia's largest rural gay/lesbian festival, thus providing an apt lens for investigating gay/lesbian belonging in rural Australia. The festival, per se, is not analyzed, but instead local responses to ChillOut are interrogated below, particularly certain outcomes and debates following the 2006 festival. This paper begins with a discussion of the notions of belonging and the politics of belonging, and how these relate to gay/lesbian lives. This is followed by …
Music Festivals And Regional Development In Australia, Christopher Gibson, John Connell
Music Festivals And Regional Development In Australia, Christopher Gibson, John Connell
Chris Gibson
No abstract provided.
Resident Attitudes To Farmland Protection Measures In The Northern Rivers Region, New South Wales, Christopher Gibson, R. Dufty, D. Drozdzewski
Resident Attitudes To Farmland Protection Measures In The Northern Rivers Region, New South Wales, Christopher Gibson, R. Dufty, D. Drozdzewski
Chris Gibson
No abstract provided.