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2017SPIE视频测量，范围成像和应用会议（2017 Conference on Videometrics,Range Imaging,and Applications）
2017 SPIE 视频测量，范围成像和应用 会议
2017/4/25
2017SPIE视频测量，范围成像和应用会议（2017 Conference on Videometrics,Range Imaging,and Applications）。
Quantitative Study of High Dynamic Range Image Sensor Architectures
imagers CMOS image sensors high dynamic range analog front end ADC
2015/8/17
Analysis of dynamic-range (DR) and signal-to-noise-ratio (SNR) for high fidelity, high-dynamic-range (HDR)image sensor architectures is presented. Four architectures are considered: (i) time-to-...
Close-range imaging and research priorities in Europe
Close-range imaging metrology cultural heritage research Horizon 2020 EU
2014/7/30
Since 1984, the European Union’s Framework Program for Research and Innovation has been the main instrument for funding research. Specific priorities, objectives and types of funded activities vary be...
Point cloud-based survey for cultural heritage – An experience of integrated use of range-based and image-based technology for the San Francesco convent in Monterubbiano
SFM TOF laser scanning UAV 3D data integration
2014/7/30
The paper aims at presenting some results of a point cloud-based survey carried out through integrated methodologies based on active and passive 3D acquisition techniques for processing 3D models. Thi...
An Integrated Flexible Self-calibration Approach for 2D Laser Scanning Range Finders Applied to the Hokuyo UTM-30LX-EW
LIDAR laser range finder terrestrial laser scanning error model calibration bundle adjustment variance component estimation
2014/7/30
The paper presents a flexible approach for the geometric calibration of a 2D infrared laser scanning range finder. It does not require spatial object data, thus avoiding the time-consuming determinati...
A high dynamic range liquid crystal display (HDRLCD) can enhance the contrast ratio of images by utilizing locally controlled dynamic backlight.We studied the HDR-LCD as a dualpanel display: a backlig...
Blur-mask approach (BMA) was developed to simulate the light distribution of locally controlled LED backlight, providing much lower computational complexity which is less than1% of that of conventiona...
A high-dynamic-range liquid crystal display (HDR-LCD) which studies as a dual-panel display can much enhance the contrast ratio of image and reduce the power consumption upon the locally controlled dy...
Using simple intensity-modulation direct-detection systems, low-cost transceivers and easy-to-install 1-mm core diameter plastic fibers, recent activities on multigigabit baseband and ultra-wideband r...
Non-Data-Aided Wide-Range Frequency Offset Estimator for QAM Optical Coherent Receivers
Non-Data-Aided Wide-Range Frequency Offset Estimator QAM Optical Coherent Receivers
2015/5/20
We propose and experimentally demonstrate a novel blind frequency offset estimator for coherent quadrature amplitude modulation (QAM) receivers. Its frequency offset estimation range is more than thre...
Novel Ultra Wide-Range Frequency Offset Estimation for Digital Coherent Optical Receiver
Optical communications Coherent communication Phase modulation
2015/6/10
We propose and experimentally demonstrate a novel, dual-stage frequency offset estimator and achieve the widest range of ±0.5 times the system symbol rate for the first time in a 42.8-Gbit/s coherent ...
40 km long-range Raman-based distributed temperature sensor with meter-scale spatial resolution
Fiber optics sensors Scattering Raman
2015/6/10
We propose a new Raman based distributed measurement technique which allows for temperature sensing over nearly 40 km of graded index multimode optical fiber with meter-scale spatial resolution and te...
Quantum Dot SOA Dynamic Range Improvement for Phase Modulated Signals
Quantum dot devices Phase modulation
2015/6/8
A 10 dB input power dynamic range advantage is found for amplification of phase-encoded signals with quantum dot SOA compared to low confinement bulk SOA. The effect is attributed to differences in th...
Wide Dynamic Range OSNR Monitoring for RZ-DQPSK Systems using Delay-Tap Sampling Technique
Fiber optics communications Fiber optics links subsystems
2015/6/5
We propose half-symbol delay-tap sampling for OSNR monitoring and extend the monitoring range to 5−45 dB. The proposed method also enables calibration-free monitoring with range of 16−43 d...
The high dynamic range liquid crystal display (HDR-LCD) with the color controlled backlight can achieve low power consumption, high color saturation and high contrast ratio. A modified color model for...