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Title: Video Slider Kit 1 : Version 1
Authors: Varun Banka
Keywords: DRNTU::Engineering
Issue Date: 2013
Abstract: Time-lapse photography is a technique whereby the frequency at which image frames are captured (the frame rate) is much lower than that used to view the sequence. When played at normal speed, time appears to be moving faster and thus lapsing. Applications of time-lapse photography are now not only limited for professional photography hobbyist but also used for wide range of research, entertainment and art developments. The aim of this project is to develop to automate the process of Time-Lase Photography using a Motorized Slider and Android Application. The slider should allow movement of the camera device placed on the slider head along the slider rails. The Android application allows the user to set the frame rate by changing the number of photos to be clicked in the required interval via an intuitive graphic user interface. The application should also allow the user to remotely control the slider movement simultaneously with every camera shutter release. Raspberry Pi which is a credit sized computer is used to remotely control the movement of the motorized slider using a web socket server. Wireless Message Transfer via a web socket, controls the general purpose input-output pins available on the Raspberry Pi to send sequence of pulse to control the movement of the stepper motor. Commands for shutter release of the camera device, updating the settings of camera is sent to the camera device via USB using the picture transfer protocol library developed by the previous final year project student. At the end of this project, an integrated solution to automate Time-Lapse photography was developed. A fully-functional Android application can send commands for the camera device to capture images at a custom frame rate. It also remotely controls the movement of the motorized slider via a Raspberry Pi. Adequate tests were performed to ensure functionality of the slider. The limitations of the project and problems faced during the development are highlighted in the project. Recommendations for improvement and additional features have also been expressed in end chapter of the report.
Rights: Nanyang Technological University
Fulltext Permission: restricted
Fulltext Availability: With Fulltext
Appears in Collections:SCSE Student Reports (FYP/IA/PA/PI)

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