Imaging

3D Inspection Scanner

The new Gocator 3100 series of 3D smart snapshot sensors from LMI Technologies (Delta, B.C. Canada) combines 3D point cloud acquisition and 3D feature measurement tools in a single industrial package. The sensor includes an integral structured blue LED light projection illumination source with stereo scanning technology that allows 3D point clouds to be captured in a single snapshot, even under ambient light conditions. The Gocator 3100 performs high-resolution non-contact measurement at up to 5Hz. Possible measurements include holes, slots, studs, and gap & flush.

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Infrared Camera Core

Sofradir EC (Fairfield, NJ) has introduced its ATOM80™ Ther mal Infrared Imaging Camera Core. The ATOM80 consists of a microbolometer array having 80×80 pixels. The thermal sensor camera core, based on a ULIS Micro80P microbolometer, permits systems to scan a large area with one sensor. Additionally, the camera core delivers thermal sensitivity of less than 0.1°C at standard video rates.

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High-Speed Cameras

Teledyne DALSA (Billerica, MA) has announced two 2k-resolution versions of its Piranha4 ™ series. The monochrome Piranha4 dual line scan camera delivers a maximum line rate of 100 kHz in TDI mode, or 200 kHz in Area mode. The Piranha4 2k trilinear model offers a maximum line rate of 70 kHz. Advanced features include sub-pixel spatial correction, lens and shading correction, and flat field correction.

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Camera Gauge System

A camera gauge system from Newcomb Spring Corp. (Decatur, GA) provides precise, image-based length measurements, with data recording and reportable order details. The system measures compression springs as they are manufactured, capturing and saving a digital image of each part and recording part dimensions. If part measurements approach maximum tolerance levels, the system’s computer program automatically triggers an adjustment in connected wire coiling machinery, causing the equipment to recalibrate and comply more closely to nominal specifications. When the order is complete, a report and digital record is available for download.

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High-Speed Imaging System

The FASTCAM SA-Z imaging system from Photron (San Diego, CA) features 21,000 frames per second at megapixel resolution. The new SA-Z CMOS sensor provides over 2,000,000 frames per second (fps) at reduced resolution. The enhanced global electronic shutter operates from 1-millisecond (standard) down to 159 nanoseconds (export restrictions apply).

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CMOS Image Sensor

Truesense Imaging (Rochester, NY) has released a 6-megapixel CMOS image sensor targeted to applied imaging markets such as machine vision, intelligent transportation systems, and surveillance. The KAC-06040 Image Sensor is a 1-inch optical format device that provides 10-bit full resolution output at up to 160 fps. Its platform provides both global and rolling shutter for versatile image capture. The platform also includes a flexible read-out architecture that supports programmable, multiple regions of interest, enabling full speed and interspersed video streams. The KAC-06040 Image Sensor is available in monochrome and Bayer color configurations.

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LED Illumination in Simulation and Training

Since its inception, projection has been the dominant technology for displaying large, high-resolution images. Over the years, projectors have evolved to keep pace with advances in computer graphics and video sources, following the trends toward ever higher resolutions and ever larger screens.

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Measuring Motion with Imaging Software

High-speed photography is as much of an engineering tool as an oscilloscope, spectrum analyzer, or logic analyzer. The photographic technique enables us to visualize and analyze motion, especially motion that is too fast for the human eye or conventional cameras to perceive.

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Frame Grabber Deployed in Robomotive Humanoid Robot

Robomotive and other humanoid robots equipped with 3D vision sensors are playing an increasing role in industrial automation, including in smaller binpicking set-ups where parts are constantly changing.

Posted in: Application Briefs, Imaging

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Reducing Drift in Stereo Visual Odometry

The drift was reduced from an uncorrected 47 cm to just 7 cm. Visual odometry (VO) refers to the estimation of vehicle motion using onboard cameras. A common mode of operation utilizes stereovision to tri angulate a set of image features, track these over time, and infer vehicle motion by computing the apparent point cloud motion with respect to the cameras. It has been observed that stereo VO is subject to drift over time.

Posted in: Briefs, Imaging

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