Imaging

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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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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Scientific CMOS Camera

Capable of 100 fps streaming with a 45% larger FOV and <2e- of read noise, the optiMOS sCMOS camera from QImaging (Surrey, B.C., Canada) delivers 10× the time resolution of CCD cameras. Other device features include greater temporal resolution (100 frames per second); 2.1 megapixels with 6.5μm pixels, 14.3 mm diagonal; <2e- read noise; and 420MB/s data rate.

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USB 3.0 Cameras

Lumenera Corporation (Ottawa, Ontario, Canada) has released USB 3.0 cameras based on Sony’s EXview HAD II ICX674 sensor. Running 53 fps at full resolution, or 66 at an HDTV resolution of 1920 × 1088, the Lt365R series features memory buffer technology so frames are not lost while running the camera at the sensor’s maximum output. The Lt365R set also has a 2.8 megapixel progressive scan sensor equipped with a global shutter.

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Embedded Video Interface

Pleora Technologies (Ottawa, Ontario, Canada) has introduced an embedded hardware product for integrating GigE Vision 2.0™-compliant video connectivity into cameras, x-ray detector panels, and imaging systems. The iPORT™ NTx-GigE Embedded Video Interface is now in trials for use in medical, military, and industrial automation applications. Other features of the 37 × 37 × 28 mm iPORT NTx-GigE include Power over Ethernet (PoE) and external power options, combined with power consumption of approximately 2 watts when streaming video at 1 Gb/s. Metadata, such as pre-processing results or the position of a quadrature encoder, can be added to each image transmitted over the GigE link. The IEEE 1588 Precision Time Protocol synchronizes multiple cameras and imaging devices to a network master clock, with up to 1 μs (microsecond) precision.

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CMOS Camera

Adimec (Stoneham, MA) has released the Q-12A65, an addition to the company’s CMOS-based QUARTZ series. The Q- 12A65 camera, based on the CMOSIS CMV12000 image sensor, delivers 12 Megapixels at 66 fps. Equipped with the Camera Link deca interface, the Q-12A65 also supports full configurations.

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Novel Hemispherical Dynamic Camera for EVAs

A novel optical design for imaging systems is able to achieve an ultra-wide field of view (UW-FOV) of up to 208°. The design uses an integrated optical design (IOD). The UW-FOV optics design reduces the wasted pixels by 49% when compared against the baseline fisheye lens. The IOD approach results in a design with superior optical performance and minimal distortion.

Posted in: Physical Sciences, Imaging, Briefs

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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.

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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: Imaging, Application Briefs

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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.

Posted in: Imaging, Articles

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