Hemispheric camera technology is not to be confused with the generic panoramic (wide- angle) video technology offered by some IP camera manufacturers, which often deliver disappointing image quality and are costly to support at the back end. Based on the centralized system topology, these IP cameras are server-centric, meaning the entire camera system relies on a central DVR/NVR to handle the image analysis, video processing and storage management.
VIDEO EXPERT By Wolfgang Ritter Hemispheric Technology Made Possible With Decentralized Platform IMAGINE AN IP CAMERA that can be storage is needed, then recording via the network ceiling mounted in a room and cover the same directly to a NAS (network attached storage) or area as three to four standard CCTV cameras, low cost file server is possible without the need allowing users to pan and zoom smoothly within to invest in a central NVR server and licensed the recorded images stored, not on a computer, video management software. This equates to but in the camera. In fact, analysis can be done huge savings on the overall system cost. quickly within the scene, enabling users to inspect every section of the room, panning and How does it work? zooming into every detail! The raw megapixel image is produced, The technology is called ‘Hemispheric’ and if analyzed, corrected and processed inside the you haven’t heard about it yet--watch this space- MOBOTIX camera – this unique decentralized -as it’s set to change video surveillance as we process is key to the success of the system. To know it. reproduce the same high quality image results, Hemispheric other IP camera systems would have to send the camera technology raw three megapixel image over the network is not to be confused to be corrected and processed at the NVR. With with the generic each individual raw image around 10 megabytes panoramic (wide- in size, this would kill the network dead. Even if, angle) video in this case, the raw video stream did make it to technology offered the server, it would require huge amounts of CPU by some IP camera power to process. ma nu fact u rers, To get around this problem, other IP camera which often deliver systems have to compress the images at the disappointing image camera first (normally using MPEG-4/H.264)
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