Security Sales & Integration March 2023 - 57

changing lighting conditions ranging from
bright sunlight to dimly lit or low-light conditions.
At the same time, an increasing percentage
of noise may occur, leading to grainy
images and a loss of detail that may obscure the
license plate information.
Dedicated license plate capture cameras or
those with a license plate capture scene mode
are designed to overcome these issues and
provide LPR software packages with the best
possible images for decoding the license plate
numbers. In addition, next-level low light and
high dynamic range (HDR) technologies are
improving light sensitivity and eliminating motion
blur, enabling select cameras to overcome
these typical challenges day and night.
With the latest low-light technology, cameras
can capture license plate details even when
light levels drop. Th e technology required to
achieve this level of detail includes large pixel
sensors, advanced image processing, and noise
suppression algorithms to improve sensitivity.
Combining these technologies provides more
detail due to lower noise and boosts monochrome
sensitivity to the next level to off er
improved performance in extreme low-light
scenes. Integrated or supplementary infrared
illumination improves the ability of the camera
to deliver images with readable license
plates at night.
Th e latest advancements in HDR technology
are also improving license plate capture in
challenging lighting. Standard HDR technology
combines multiple images with diff erent
exposure times to increase the overall dynamic
range and capture details of images in scenes
that have both light and dark areas. With the
latest HDR technology, a combination of large
pixel sensors, advanced optics, and imaging algorithms
will generate two readouts from one
short exposure with diff erent gain levels.
Th is lens-sensor combination generates a
high dynamic range frame without any HDR
blur and artifacts. Th e result is an enhanced dynamic
range (up to 144dB) that is motion-optimized
to capture the highest level of detail in
challenging scenes with both dark and bright
areas, while eliminating blur and artifacts
caused by moving vehicles.
Full Solution Considerations
After the camera captures the image, the LPR
software will process the image for license plate
detection. It will crop the image to focus on the
license plate, process the cropped license plate
image for optimal character fi nding and recognition,
and capture the characters and recognize
the license plate code for country or state.
Considerations for selecting the proper
software include the performance of the LPR SWISSHIPPO/STOCK.ADOBE.COM
Image quality
is vital when
capturing license
plates. Standard
cameras are often
challenged.
securitysales.com
MARCH 2023 Security Sales & Integration 57
JEVANTO PRODUCTIONS/STOCK.ADOBE.COM

http://www.securitysales.com

Security Sales & Integration March 2023

Table of Contents for the Digital Edition of Security Sales & Integration March 2023

Security Sales & Integration March 2023 - Bellyband1
Security Sales & Integration March 2023 - Bellyband2
Security Sales & Integration March 2023 - Cover1
Security Sales & Integration March 2023 - Cover2
Security Sales & Integration March 2023 - 1
Security Sales & Integration March 2023 - 2
Security Sales & Integration March 2023 - 3
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Security Sales & Integration March 2023 - Cover3
Security Sales & Integration March 2023 - Cover4
https://www.nxtbook.com/emerald/securitysales/august_2023
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