Imaging

Machine Vision Software

PPT VISION, Bloomington, MN, has released IMPACTTM 8.5 software for machine vision applications. It reads 17 different standard barcode types, including ECC 200 DataMatrix 2D, UPC-A and UPC-E, and Pharmacode. The software is able to combine the decoded information with optical character recognition and detailed inspection routines. It includes CPM (control panel manager) and customizable HMI (human machine interface) control software. Cameras can output decoded data from barcodes or optical character recognition through serial or Ethernet ports.

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On-Demand Urine Analyzer

A lab-on-a-chip was developed that is capable of extracting biochemical indicators from urine samples and generating their surface-enhanced Raman spectra (SERS) so that the indicators can be quantified and identified. The development was motivated by the need to monitor and assess the effects of extended weightlessness, which include space motion sickness and loss of bone and muscle mass. The results may lead to developments of effective exercise programs and drug regimes that would maintain astronaut health.

Posted in: Bio-Medical, Briefs, TSP, Briefs, TSP, Patient Monitoring

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Processing Images of Craters for Spacecraft Navigation

NASA’s Jet Propulsion Laboratory, Pasadena, California A crater-detection algorithm has been conceived to enable automation of what, heretofore, have been manual processes for utilizing images of craters on a celestial body as landmarks for navigating a spacecraft flying near or landing on that body. The images are acquired by an electronic camera aboard the spacecraft, then digitized, then processed by the algorithm, which consists mainly of the following steps:

Posted in: Briefs

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Industrial Videoscopes

Olympus NDT, Waltham, MA, offers the IPLEX LX and IPLEX LT industrial videoscopes for a range of remote visual inspections of parts or structures where access is limited. The scopes weigh 2.7 kg, including the battery, and feature an LCD monitor built into a main operating unit that measures 64 mm wide. The monitor uses a 6.5" screen with low ambient reflection for use outdoors in direct sunlight. Menus and features can be accessed by quick-access buttons on the handset with power-assist TrueFeelTM scope articulation control. The display features an icon-based menu.

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CMOS Camera

Photron, San Diego, CA, offers the Fastcam SA4 high-speed CMOS sensor that provides 3,600 frames per second operation at 1024 × 1024 pixel resolution. The camera offers frame rates at up to 500,000 frames per second at reduced resolution. It is designed for applications in which extreme light sensitivity, high dynamic range, and image quality with low noise are critical. The camera is available with an RS-422 remote control keypad with built-in 5" LCD viewfinder. The camera features a variable region of interest with 12-bit uncompressed data, a one-microsecond global shutter, and 20-micron pixels for low-light, high-speed applications.

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Smart Camera System

DALSA, Billerica, MA, has introduced the BOA vision system, an integrated smart camera that comprises the elements of an industrial machine vision system, and incorporates multiple processing engines. This enables algorithm optimization via DSP, application management via CPU, and sensor management via FPGA. Embedded application software enables set-up through a standard Web browser. The camera features a 44-mm cube form factor and IP67-rated housing, and is available in a monochrome version.

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Polarization Camera

The FD-1665P camera system from FluxData, Rochester, NY, collects video at three linear polarization orientations simultaneously. The simultaneous registered video is captured from three sensors, and the optical system is based on the FD-1665 three-CCD camera system that can be configured with user-specified filters in front of each sensor. The standard offering for the camera is 0-, 45-, and 90-degree linear polarization filters in front of the three RGB sensors at up to 120 frames per second. The three CCDs can be simultaneously or sequentially triggered via software or hardware.

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Vision-Based Sensors

Sharpshooter vision-based sensors from Balluff, Florence, KY, offer 360° part rotation recognition. All configured inspections are compensated for the parts rotation, minimizing the need to tightly fixture parts. Output logic functionality provides the ability to link any tool or combination of tools to any output. The sensors use ConVis configuration and emulation software that provides dynamic host configuration protocol for remotely assigning IP addresses and rotatable tool regions. The single-unit sensors provide part or feature presence or absence and inspection, position detection, and dimension verification.

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Vision Sensors

IDEC Corp. USA, Sunnyvale, CA, offers Datasensor SVS Series smart vision sensors for machine vision applications. They feature a frame rate of 60 frames per second, Ethernet communication, a teach button, 640 × 480 pixel resolution, and nine inspection tools that include pattern match, positioning verification, edge count, contrast comparison, 360° pattern match, contour match, width comparison, brightness check, and character verification. SVS1 models can be set up via a handheld configurator; SVS2 models can be connected to a PC and offer multiple controls.

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Remote-Head Camera

The CMOS IK-HR1H miniature remote camera head from Toshiba Imaging Systems Division, Irvine, CA, can be configured with either of two camera control units (CCUs), the IK-HR1CD and the IK-HR1CS. The lightweight remote camera head is approximately 1.18 × 1.37 × 1.41" and weighs 1.76 ounces without the lens. The 1/3" CMOS sensor is designed for imaging applications where space is limited and the remote head can be inked to the CCU via a standard power-over-CameraLink (PoCL) cable.

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