Sound and VisionAugmented Landmarks

Group 2

Hans Horn, Youssef Ibrahimi, Ismail Ait MouhouArnold Eriks, Thomas Günther and Rio Tri Harsono

26 May 2010

AgendaIntroductionResearch resultsRecommendationsResearch subjects

Mobile location techniques Source, meta and geodata Mobile development platforms Mobile multimedia formats Similar AR applications

Future StepsQuestions

IntroductionAssignment

Five requirements questionsResearch method

Introduction | Research results | Recommendations | Research subjects| Future steps | Questions 03 / 12

Research resultsMobile location technique A-GPSData extraction GeonamesGeoinformation standard ARML Development platforms Symbian & AndroidMultimedia formats AAC, H.264 & JPEGGraphics standard OpenGLMaps standard OpenStreetMap

Introduction | Research results | Recommendations | Research subjects| Future steps | Questions 04 / 12

Recommendations

Mobile location techniques (1/5)Objective

Which mobile positioning technique to use?Findings

Network based (WLAN, GSM, ToA) or device based (GPS, RFID, QR-CODE)Hybrid based positioning techniques => A-GPSLocation-based services (LBS), Skyhook and Google

ArgumentsAccuracy and CoverageGPS as de facto standardRapid development

AdviceA-GPS and Location Based Services

Introduction | Research results | Recommendations | Research subjects| Future steps | Questions 06 / 12

Source, meta and geodata (2/5)Objective

Research the methods and standards to retrieve data from Thesaurus and additional content sources

FindingsGeographical databases: Geonames and TGNContentplatforms: DBpedia and Flickr wrapprStandards (ISO 19115, ARML)

ArgumentsQuality and extent of databaseAccuracyCosts

AdviceUse of GeonamesAdd coordinates to ThesaurusARML

Introduction | Research results | Recommendations | Research subjects| Future steps | Questions 07 / 12

Mobile development platforms (3/5)Objective

Which open source platform suits Sound and Vision best?Findings

Five potential platformsOpen source and non open source platformsMore than one suitable platform

ArgumentsOpen sourceGlobal market shareApplication distribution channel

AdviceAndroid OS and Symbian OS

Introduction | Research results | Recommendations | Research subjects| Future steps | Questions 08 / 12

Mobile multimedia formats (4/5)Objective

Which (open source) multimedia formats can be used for audio, video and pictures?

FindingsSeveral formats for audio/videoLimited to formats that are supported by the cell phonesBarely open source

ArgumentsEstablished formatsOpen source or free to useFile size

AdviceAAC for audio, H.264 for video, JPEG for pictures

Introduction | Research results | Recommendations | Research subjects| Future steps | Questions 09 / 12

Similar AR applications (5/5)Objective

Research and list similar mobile AR browsers and distill their best practices

FindingsFive most popular browsers; Acrossair, Gamaray, Layar, Nulaz and

WikitudeSpeed, content, usability and price

ArgumentsOpen sourceAccuracy of information retrievalPossibilities of adding content

AdviceThree best practices; (1) Content offer (2) Possibility to upload content

through ARML (3) Clear categorization of different content

Introduction | Research results | Recommendations | Research subjects| Future steps | Questions 10 / 12

Future stepsInstruments for AR experience and orientation:

Optical sensor, digital compass, gyroscope and accelerometerHardware dependency, quality of batteries, privacy

Further research on adding geodata to ThesaurusGeoparsing techniques

Emerging mobile development platforms and devicesUse of included surveys

Use of OpenStreetMapOpenGL for showing POIs

Introduction | Research results | Recommendations | Research subjects| Future steps | Questions 11 / 12

Questions

Introduction | Research results | Recommendations | Research subjects| Future steps | Questions 12 / 12