国际光学工程学会
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作者:Wei Liu , Zheng Cui ...
来源:[J].Optical Engineering(IF 0.88), 2016, Vol.55 (4), pp.046112-046112SPIE
摘要:We present the experimental results on the laser characteristics of diode-pumped passively Q -switched Tm,Ho:GdVO4 and Tm,Ho:YVO4 lasers with a Cr 2 + : ZnS saturable absorber emitting in the 2 - μ m range. The Tm,Ho:GdVO4 laser exhibits bett...
作者:Wei Liu , Nan Zhou ...
来源:[J].Journal of Applied Remote Sensing(IF 0.876), 2016, Vol.10 (1), pp.015020-015020SPIE
摘要:Remote sensing images usually need scale-up for visualization or representation, using only one original image. According to the performance of detective sensors, a new and more applicable method is proposed here. To enhance the high-frequency components, the modulation transform...
作者:Wei Liu , Jianhua Shi ...
来源:[J].Optical Engineering(IF 0.88), 2017, Vol.56 (2), pp.026121-026121SPIE
摘要:Passive phase locking of two multiwavelength fiber lasers has been demonstrated by mutual injection coupling and spatial filtering. Since the fiber loop mirrors are employed as two component lasers’ rear reflectors, multiple wavelengths operate simultaneously owing to their ...
作者:Wei Liu , Jun Xia
来源:[J].Journal of Biomedical Optics(IF 2.881), 2018, Vol.23 (3), pp.030506-030506SPIE
摘要:We report a photoacoustic computed tomography (PACT) system using a customized optical fiber with a cylindrical diffuser to internally illuminate deep targets. The traditional external light illumination in PACT usually limits the penetration depth to a few centimeters from the t...
作者:Wei Liu , Jicheng Li ...
来源:[J].Journal of Electronic Imaging(IF 1.061), 2016, Vol.25 (3), pp.033018-033018SPIE
摘要:Numerous tracking-by-detection methods have been proposed for robust visual tracking, among which compressive tracking (CT) has obtained some promising results. A scale-adaptive CT method based on multifeature integration is presented to improve the robustness and accuracy o...
作者:Wei Liu , Xiaogang Chen ...
来源:[J].Journal of Electronic Imaging(IF 1.061), 2016, Vol.25 (5), pp.053003-053003SPIE
摘要:Depth edges play an important role in depth image upsampling. Many recent upsampling methods rely on the prior images of depth edges to preserve sharp depth edges in restored depth images. However, recent depth edge detection methods are not robust against the noise in depth imag...
作者:Wei Liu , Haoyang Xue ...
来源:[J].Journal of Electronic Imaging(IF 1.061), 2015, Vol.24 (3), pp.033015-033015SPIE
摘要:A method to restore the depth map of an RGB-D image using smooth depth neighborhood (SDN) supports is presented. The SDN supports are computed based on the corresponding color image of the depth map. Compared with the most widely used square supports, the proposed SDN supports ca...
作者:Wei Liu , Jie Chen ...
来源:[J].Journal of Applied Remote Sensing(IF 0.876), 2015, Vol.9 (1), pp.096084-096084SPIE
摘要:Due to the larger orbital arc and longer synthetic aperture time in medium Earth orbit (MEO) synthetic aperture radar (SAR), it is difficult for conventional SAR imaging algorithms to achieve a good imaging result. An improved higher order nonlinear chirp scaling (NLCS) algorithm...
作者:Wei Liu , Qinghua Yang
来源:[J].Journal of Biomedical Optics(IF 2.881), 2014, Vol.19 (4), pp.046015-046015SPIE
摘要:The optical activity of glucose molecules is important for diagnosing and monitoring blood glucose of diabetes. In order to accurately detect the diabetes at an early stage, there is an urgent need to develop innovative detection methods. By use of Mueller matrix decompositi...
作者:Wei Liu , Xiaodong Li ...
来源:[J].Optical Engineering(IF 0.88), 2015, Vol.54 (10), pp.105108-105108SPIE
摘要:Large-scale triangulation scanning measurement systems are widely used to measure the three-dimensional profile of large-scale components and parts. The accuracy and speed of the laser stripe center extraction are essential for guaranteeing the accuracy and efficiency of the meas...

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