2009
DOI: 10.1109/jssc.2009.2017000
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A 100 $\mu$W 128 $\times$ 64 Pixels Contrast-Based Asynchronous Binary Vision Sensor for Sensor Networks Applications

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Cited by 76 publications
(66 citation statements)
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“…Since the pins of the Beagleboard expansion headers are rated at 1.8 V while the camera requires 3.3 V, a piggy-back voltage level translator has been used to interface the embedded platform with the camera. The light contrast sensor is a 35-μm CMOS imager with a resolution of 128 × 64 pixels made at the "Fondazione Bruno Kessler" (FBK), Trento, Italy [43]. Note that the low resolution of the camera is helpful for the application considered, as it greatly reduces the number of iterations of the RANSAC algorithm at no cost in terms of accuracy, as it will be shown in Section 4.2.…”
Section: Experimental Setup Descriptionmentioning
confidence: 99%
“…Since the pins of the Beagleboard expansion headers are rated at 1.8 V while the camera requires 3.3 V, a piggy-back voltage level translator has been used to interface the embedded platform with the camera. The light contrast sensor is a 35-μm CMOS imager with a resolution of 128 × 64 pixels made at the "Fondazione Bruno Kessler" (FBK), Trento, Italy [43]. Note that the low resolution of the camera is helpful for the application considered, as it greatly reduces the number of iterations of the RANSAC algorithm at no cost in terms of accuracy, as it will be shown in Section 4.2.…”
Section: Experimental Setup Descriptionmentioning
confidence: 99%
“…The camera consists of a special light contrast imager driven by a Xilinx CPLD Kelly board XEM 3001v2 equipped with an FPGA Xilinx Spartan-3 CoolRunner-II. The imager is a 35-µm CMOS sensor with a resolution of 128 × 64 pixels, which was designed and manufactured at FBK, Trento [19]. The second BeagleBoard is connected to a standard webcam through a USB connection, and is used for trajectory planning.…”
Section: A Hardware Architecturementioning
confidence: 99%
“…Both issues discourage the application of standard visual sensors in our context. In order to build a solution that stays within our cost constraints, we advocate the use of a special camera [19] that produces a low resolution B/W stream. However, the automated edge detection makes it possible to use it with a very aggressive sampling time.…”
Section: Introductionmentioning
confidence: 99%
“…Some rely on temporal contrast, implemented through frame differencing [6,5,7], or frame-free light intensity change [3]; others focus on spatial contrast, either using some flavor of pixellevel connectivity [8,9], or by performing spatial-temporal operations [1,10]. In our work, we focus on spatial contrast, an essential cue in the context of image and video analysis.…”
Section: Introductionmentioning
confidence: 99%