Engineers at MIT have developed a system that can detect minute changes in shadows on the ground to determine if there’s a moving object rounding a corner. The technique is showing promise as a safety feature for autonomous vehicles. When sensing and stopping for an approaching vehicle, the system beat traditional lidar — which is only able to detect visible objects — by more than half a second. “For applications where robots are moving around environments with other moving objects or people, our method can give the robot an early warning that somebody is coming...Read full articleRelated content from Photonics MediaARTICLESCamera-processor Chip Brings Computer Vision Closer to Natural PerceptionTaking their cues from nature, researchers at the University of Bristol and the University of Manchester are developing methods for increasingly intelligent cameras for AI systems. 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The type of sensor and features it provides will affect overall image quality; so it is important to know how to specify the features...Photonics.com 4/24/2018PHOTONICS DICTIONARY TERMSscanning acoustic microscope (SAM)Also called scanning laser acoustic microscope. A device that uses high-frequency ultrasound waves to penetrate surfaces. A scanning laser beam is used as a detector, which transmits information...EDU.photonics.com 9/8/2009machine visionInterpretation of an image of an object or scene through the use of optical noncontact sensing mechanisms for the purpose of obtaining information and/or controlling machines or processes.EDU.photonics.com 2/8/2018acutanceIn photography, the density gradient across an edge separating light from darkness, a physically measurable quantity that correlates well with subjectively observed sharpness of definition. By...EDU.photonics.com 9/8/2009convolutional neural networkA powerful and flexible machine-learning approach that can be used in machine vision to help solve difficult problems. Inspired by biological processes, multiple layers of neurons process portions of...EDU.photonics.com 6/30/2017PHOTONICS BUYERS' GUIDE CATEGORIESArtificial Intelligence SoftwareImaging Software Libraries and ToolkitsEmbedded Vision SystemsDigital CamerasA digital camera is a camera that converts a collected image into pixels that are black or white digital or shades of gray. The digital data may then be manipulated to enhance or otherwise modify the...COMPANIESFOCtek Photonics Inc.FOCtek provides customers with all types of custom manufactured lenses, Precision Optical Components, Polarizing Optics, Prisms, Filters, Coatings, Optical Systems, Crystals, Nonlinear Crystals,...Photonics Buyers' GuideShanghai Optics Inc.Shanghai Optics is a leading manufacturer of advanced optical components and optical assemblies. Shanghai Optics is an unparalleled custom optical solution provider offering custom optical design and...Photonics Buyers' GuideCascade Optical CorporationCascade Optical Corporation has more than 35 years of expertise in custom vacuum-deposited thin-film coatings, specializing in IAD, low temp, low stress coatings for laser crystals and fiber optics....Photonics Buyers' GuideOptolong Optics Co. LtdOptolong Optics Co., Ltd is a manufacturer of fluorescence filters and astronomy filters. We also offer other interference filters such as UV filters, visible filters and near-infrared filters,...Photonics Buyers' Guide