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...01 lux, many manufacturers use ND (neutral density) filters to reduce the amount of light captured by the camera. For example, the manufacturer may...
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...Experiences With Smartersecurity Door Detective Anti-Tailgating Sensors?
Anti-Tailgating Startup: Spyfloor
Density Presents Occupancy Monitoring & Tailgating Detection
Consultant Silva Comment
In...
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...researchers found that in the US, areas with a higher percentage of minority residents had a higher density of cameras than other areas, even after controlling for land use [they only analyzed the US...
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... Smaller cities have less gun violence and a lower population density which makes ShotSpotter more expensive per citizen and less useful for the city.
Also,...
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Does anyone know what pixel density would be ideal for a gaming table? Casinos were just legalized in our state and one of our...
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The IPVM calculator can be used to calculate pixel density in a given situation. However, the video analytics companies define their requirements either in...
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...due to age:
Airspace Systems, AndroVideo, Asylon, Cobalt Robotics, Deep Data, Deep Sentinel, Dedrone, Density, Desktop Camera, Easy Aerial, Entropix, Irisity, Jiobit Lentix, Matroid, N3N, Neurala,...
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The April 2021 New Products show is complete. All videos may be watched on the Shows...
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Pixel Density Requirements
License plate recognition requirements related to pixel density vary widely, but...
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The different pixel density requirements for person, face, and vehicle detection.
Person Detection performance and most...
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A Series
Exacq's A-Series offers high-density analog DVR replacement (up to 64 analog channels), with hybrid IP/Analog options, and...
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The UK's population density is 9x that of the US and we believe this helps UK distributors have more of an impact serving a...
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...measurements, or other aspects of a human form (including face)
Challenges to Overcome
Turbulence, pixel density, angle/pitch, and lack of data are all challenges to identification at height and distance. At a...
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...fever screening guidelines, does not use a blackbody, and would require a large FoV/have a low pixel density. The FDA guidelines state that fever cameras should only be used on one person at a...
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Advanced Analytics Examples
Nanchang city's bid in 2018 specifically asked for "population density" analytics that would alert the police in cases such as:
if the camera detected a "high...
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... Dartmouth told IPVM the 32 K3s were placed in areas that had high foot traffic or density:
Placement was based on foot traffic patterns and population density of the...
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...generally worked well, however, it suffers from limited model support and requires relatively high pixel density (~70ppf in our testing) limiting usefulness. Atypically, but helpfully, it offers "Incorrectly...
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Density presented its cloud-based occupancy sensor to deal with Coronavirus at the May 2020 IPVM...
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1:30pm OpenPath: Raised $27 million for cloud mobile access control
2:00pm Density: Wants to improve access control with realtime analytics- backed by the same investors of Ring,...
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Looking Down to Avoid Face Recognition
Crowds / High-Density Performance Issues
Liveness Detection
Accuracy
Ethical Concerns
Face Recognition...
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Moreover, like with cameras generally, the pixel density has a factor with lower pixel density increasing accuracy issues:
Trying to get a reading of...
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Advantages of enclosure controllers are they available in high-density versions (32 or more doors) that connect multiple openings into a single box, unlike other...
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...tests, Anyvision was able to accurately recognize subjects at ~85-90 PPF in well lit scenes, lower pixel density than many other platforms, generally requiring 120 PPF or more.
Few False Identifications:...
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...varifocal ones common in surveillance, frequently have degraded image quality relative to what pixel density / ppf metrics would estimate. If you are using PPF / PPM to plan your deployments, you may need...
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This approach has key drawbacks compared to those using standard rotation:
Lower pixel density: Compared to cameras which use 1080p imagers in their normal rotation, those rotating the...
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How to Calculate Pixel Density
Calculating pixel density depends on two inputs/factors:
The number of horizontal pixels in...
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... However, the broader the area you cover, the lower the pixel density / PPF will be, which will significantly reduce details captured in any direction. We examine...
