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PVS-60 Optical Character Recognition System
The PVS-60 family of products consist of
several high performance machine vision systems designed specifically for
optical character recognition (OCR). The family includes a number of special
configurations designed for specific OCR task. The standard configuration uses
High-Speed CameraLink sensors (CL configuration) that can acquire images at a
specific time. There are other camera connection options available in USB and Firewire Camera
sensors. The PVS-60 provides an option to use
dual CameraLink input boards with two channels
for capturing simultaneous images. The image processor uses the Microsoft® Windows7
operating system for processing images and
providing industry standard input/output signal conditioning hardware for handshaking with
external devices. The standard image processor is based on an Intel® Core2 Duo class
processor but can be upgraded if even more processing power is required. The system is denoted
as the PVS-60 / OCR and is available with several optional displays, including
built-in 15" or 17" TFT flat panel displays, with or without touch screen
options (depending on the industrial environment).
The PVS-60 implements a special version of the "VisionMaker™" software package
designed for analysis of "noisy" images. The software package provides Active-X tools designed for
extraction of features found in images with characters. The system will
normalize images in which the background exhibits part to part variation.
It will also perform auto-align function to keep the target string in the proper
inspection window, which is a common problem with ink-jet marked components.
Multiple fonts may be learned and stored in the system and even used in
different windows (regions of interest) within the same image.
The PVS-60 system is truly an out of the box and onto the factory floor
machine (with the exception of training the character set). Phoenix Imaging will work with you to design a system with all of
necessary hardware to insure successful implementation of the equipment in your
project. This OCR system is designed for handling the most difficult reading
applications using a patented vector correlation technology. The product excels
at reading characters generated with laser, indent marking or ink-jet printing
systems but can be used with any method of generating the symbols. Image processing tools aid in the extraction of characters whether
marked on smooth or porous surfaces.
PVS-60 / OCR Standard Features
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NEMA 12 Industrial
Enclosure
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Low Cost Windows Solution
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2 Sensor Inputs (up to 8
inputs max.)
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Visual
Studio Programming Tools
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Pre-programmed Active-X
Controls (Vector Correlation and VisionMaker™)
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Superb image noise filters
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Part Position Correction
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High Speed Pattern Matching
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Typical Read Rates (>30
strings/min)
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Built-In Digital I/O
Functions
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Capture & Store "Defective"
images
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Designed to read Dot-Matrix and Fully Formed symbols
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Air
Conditioning or Vortec Cooling Options
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Sensor resolutions from 1.3 megapixel to 16.0 megapixel
Powerful software and powerful image processing technology
allow the PVS-60 /OCR to tackle the toughest jobs. When other vendors recommend
the use of 2-D symbologies its is probably an indication that their software can
not perform a reliable reading. The problem with 2-D symbologies is that you
must have a keen eye in order to decode them without a scanner. OCR is an
excellent technology choice when you have the correct tools. The Phoenix Imaging
MTx™ technology was created for reading dot matrix characters from the very
beginning. The vector correlation technology is so unique that it is protected
by US Patents. Unlike many laboratory based analysis packages, this product is
designed to perform in the industrial environment.
Sample Markings that the system can read
Device Connectivity
The PVS-60 system I/O allows a variety of methods for
interfacing to other devices inside the inspection cell.
The PVS-60 can output serial (RS-232 & USB), Ethernet (100/1000 MB) or parallel
signals to a controller, PLC or another PC. The PVS-60 can save up to 64
full-frame "Defective" images for review at a later time. The
system can also connect with most OPC compliant devices when communicating on a
factory network.
 Parallel: There are 24
lines available for digital inputs and outputs
that are user configurable. All channels use optically isolated modules. The
power side of the modules can be DC or AC.
DC input modules: 3 - 30 VDC
DC output modules: 3- 60 VDC
AC modules: 5 -130 VAC, 3 A max.
Serial: USB (2.0), RS232, RS422,
IEEE 1394 (Firewire) and
EtherNet: 1 or 2 channels
Video In: Standard Configuration provides 2 CameraLink channels (8, 10 or 12 bit). CameraLink
(CL) inputs provide increased bandwidth for high from resolution images up to 4K x
4K pixels with grayscale up to 12 bit. The system can also add on USB 2.0
sensors to the standard CameraLink configuration without adding another sensor
input card. CameraLink configuration is preferred in industrial
environments because it is reliable and less sensitive to external sources of
noise.
Video Out: XGA to Monitor. Internal image storage in .TIF, .BMP, and .JPG
formats
Trigger: External digital I/O ( Parallel), Serial, or EtherNet.
OCR That Works!
- Patented technology designed for dot matrix or
fully formed symbols.
- Vector Correlation approach will read degraded symbols.
- Background Normalization easily isolates the symbols
from background noise.
- Built-in VisionMaker™ vision algorithm editor allows
access to over 150 image processing functions generates clear character data.
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