imaging and machine vision europe october/november 2011 www.imveurope.com


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photonex review Imaging at Photonex


A review of some of the imaging companies exhibiting at Photonex, a UK photonics exhibition and conference which took place in Coventry on 18 and 19 October


Alrad Instruments was displaying the Coherent Lasiris structured light sources, which can be used in a wide range of imaging applications and offer light patterns including single and multiple laser lines with uniformity down to ±15 per cent. Also on display were LAP laser sensors that measure dimensions without touching surfaces. Production processes can be monitored permanently, ensuring quality and reducing rejects. LAP measurement systems are flexible and easy to integrate. Alrad was exhibiting products from Gidel, which


provides powerful development tools and universal FPGA platforms for acceleration systems, ASIC prototyping and algorithm development. Gidel’s high-productivity software tools complement high-performance PCI/PCIe boards and standalone boards as well as high performance systems that offer outstanding cost/performance advantages. Finally, Alrad was displaying Helio-Strobe


compact 75, a mobile strobing light source for industrial use. Extremely short flash impulses with constant brightness freeze images, while the light also provides a slowed-down observation mode of fast processes, when a precise perception by the human eye is no longer possible. Alrad was also showing the latest analogue and digital cameras for the machine vision, microscopy and industrial applications. www.alrad.co.uk


ClearView Imaging was demonstrating the CIS VCC-FM60FV19CL ultra-high resolution colour camera, capable of producing images of up to 45 Megapixels. Using a 5 Megapixel CCD sensor and innovative pixel shifting technology, the camera can synthesise either a 15 Megapixel (3CCD equivalent) or 45 Megapixel (Bayer pattern) output image. Native 5 Megapixel images are output at 15fps


giving a live preview for setup. Ultra-high resolution images can be captured at ~1.5fps. This camera reduces costs significantly, when compared to large format CCD sensor equivalents. Additionally, it uses a 2/3-inch sensor and C-mount lenses, which reduce the overall system bulk. ClearView was also demonstrating laser-based 3D


imaging products from Matrox and Photonfocus. The technology features full 3D co-ordinate


calibration (camera system and object space) and can fuse on-camera, dedicated firmware, and PC- based processing options to give the best possible price and performance. NED’s high-speed CMOS line scan cameras will also be demonstrated. www.clearviewimaging.co.uk


Hamamatsu Photonics introduced the C11440- 50B board-level camera for OEM scientific and industrial customers at the show. It has a scientific CMOS sensor and is designed to deliver high performance and cost-effective imaging in a small, board-level format. Also on show was the LC-L5,


a dedicated large area UV curing system featuring a large array of high power UV LEDs. Through the use of internal forced air cooling, the need for ducting or chiller equipment is eliminated and the LEDs are able to offer a stable output, which is easily maintained over the 20,000-hour average LED lifetime. Finally, the new G11608 series of InGaAs linear


image sensors was displayed. The sensors are designed for IR non-destructive inspection and multichannel spectrophotometry. These sensors consist of a short wavelength enhanced InGaAs photodiode array and CMOS chip containing a charge amplifier array, offset compensation circuit, shift register and a timing generator. www.hamamatsu.eu


Multipix Imaging was showcasing


image


processing tools and machine vision cameras. On display were the


Cognex In-sight camera range for track-and-trace, the easy-to-use Panasonic P400 imaging software, which was running print inspection tasks, and MVTec’s Halcon10 3D imaging software tools. The latest machine vision cameras were also


shown, including the ultra compact Basler Ace range now available with Camera Link interface, the Flare series from IO Industries using Cmosis sensor technology, and Flir infrared cameras. www.multipix.com


Stemmer Imaging showed a multi-camera demonstration of very high-resolution cameras.


Other camera technology demonstrated included smart cameras, multi-camera compact vision systems and near infrared (NIR) cameras. Important imaging components such as laser LEDs and high-resolution lenses were also on show. On display was the 29 Megapixel Prosilica


GX6600 from Allied Vision Technologies (AVT) featuring dual GigE outputs using Link Aggregation Group technology for ultra-high data rates. Stemmer Imaging’s CVC Ultra 45MP CL colour cameras offer exceptional resolution of up to 45 million pixels using pixel shift technology. The IDS UI1495LE-C USB camera provides 10 Megapixel resolution for inspection and scientific imaging while the JAI AT200GE gives 3CCD colour imaging with 2 Megapixel resolution. Smart imaging capabilities on show included


Teledyne Dalsa’s single point Boa smart camera and Geva multi-point camera imaging systems, which operate under common imaging software. Geva is a cost-effective single intelligent controller for multiple cameras. Near IR imaging capabilities could be seen through a solar cell inspection demonstration using a Xenics InGaAs camera. www.stemmer-imaging.co.uk


The UK Industrial Vision Association (UKIVA) was running a series of seminars entitled ‘Vision and imaging technology demystified’. These interesting and informative seminars concentrated on the many facets of lighting and their applications to industrial imaging and on 3D imaging. With many of the talks featuring live demonstrations, the seminars covered topics ranging from hyperspectral imaging to the use of structured light lasers for profile assessment. Other talks included a review of UV and IR imaging and their associated camera technologies, and an overview of the challenges faced in getting the optimum illumination conditions for a wide range of machine vision applications. www.ukiva.org


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