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Spatial resolution and temporal resolution are both crucial
camera ADC driver RTIP display bus
Low Latency Video Input Latency targets perceived synchronicity Unavoidable latency 1 to 2 frames(40 - 80ms for PAL) Additional latency must be minimized
Low Latency Operating System Scheduling Processing of video signals depend on -video capture hardware in use. -driver component. Software components has crucial impact on system latency. To avoid loss of input data, buffering is introduced to cover lag. Mac OS X has excellent low latency performance.
High Processing Performance Both latency and throughput are important PAL video frame: 884Kb Sustained data rate: 22Mb/s Memory bandwidth is crucial. AltiVec is very useful .
MAC OS X Mac OS X is the world’s most advanced operating system.
Power of unix simplicity of MAC. Perfect integration of hardware and software. Elegant interface and stunning graphics. Highly secure by design. Innovation for everyone. Reliable to the core.
To cope with this, two methods are proposed: 1. Analyze data in real time – uneconomical 2. Stores all data and analyses off-line at low speed
Two jobs to be done: Green light on: - determine no. of vehicles moving along particular lanes and their classification by shape and size. Red light on: - determine the backup length along with the possibility to track its dynamics and classify vehicles in backup.
video-based interfaces for human-computer interaction
VIDEO CONFERENCING It is digital compression of audio and video streams in real time. Video input : video camera or webcam. Video output: computer monitor television or projector
AUGMENTED REALITY A combination of a real scene viewed by a user and a virtual scene generated by a computer that augments the scene with additional information.
CONTEXT AWARE COMPUTING A system is context-aware if it uses context to provide relevant information and/or services to the user, where relevancy depends on the user’s task.
CONCLUSION RTIP involves many aspects of hardware and software in order to achieve high resolution input,low latency capture,high performance processing and efficient display.The measure- mentalgorithm has been applied to traffic scenes with different lighting conditions. And RTIP be at the heart of many applications.