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Image Feature Matching Algorithm Based on Improved ORB

期刊: LASER & OPTOELECTRONICS PROGRESS, 2021; 58 (2)

Aiming at the defect of low feature matching accuracy of the ORB algorithm, combined with the optical flow characteristics of the pyramid, this paper ......

Optimal Layout of Light Source Based on LED with Small Divergence Angle

期刊: LASER & OPTOELECTRONICS PROGRESS, 2021; 58 (1)

Light source layout is one of the key factors that affects indoor LED optical communication lighting and communication performance. Compared with the ......

Optical Drive Rotation of Magnetically Levitating Pyrolytic Graphite Disk Based on Eccentricity of Permanent Magnets

期刊: LASER & OPTOELECTRONICS PROGRESS, 2021; 58 (1)

The optical drive rotation of the magnetically levitating pyrolytic graphite sheet provides a way to convert solar energy into kinetic energy, and the......

Iterative Centroid Localization Algorithm Based on Received Signal Strength Indication

期刊: LASER & OPTOELECTRONICS PROGRESS, 2021; 58 (3)

Node location technology is the key of wireless sensor networks. Aiming at the low accuracy of the traditional centroid localization algorithms, a thr......

Algorithm for Stereo Matching Based on Multi-Task Learning

期刊: LASER & OPTOELECTRONICS PROGRESS, 2021; 58 (4)

The introduction of auxiliary task information is helpful for the stereo matching model to understand the related knowledge, but the complexity of mod......

Registration and Optimization Algorithm of Key Points in Three-Dimensional Point Cloud

期刊: LASER & OPTOELECTRONICS PROGRESS, 2021; 58 (4)

In the traditional three-dimensional (3D) point cloud registration process, there are some problems such as high registration error, large amount of c......

Depth Detection of Material Surface Defects Based on Laser Thermography

期刊: LASER & OPTOELECTRONICS PROGRESS, 2021; 58 (4)

Due to the limitation of traditional methods for the depth detection of material surface defects, a laser pulsed thermography technique in transmissio......

Ship Target Detection in Optical Remote Sensing Images Based on Spatial and Frequency Features

期刊: LASER & OPTOELECTRONICS PROGRESS, 2021; 58 (4)

To address the problem of ship target detection in optical remote sensing images under complex sea surface landform and cloud background conditions, a......

Speckle Quality Evaluation Based on Gray Level Co-Occurrence Matrix

期刊: LASER & OPTOELECTRONICS PROGRESS, 2021; 58 (4)

The digital image correlation (DIC) method is used to measure the surface deformation of the object, and the true change of the measured object is stu......

Research Status and Development Trend of High Earth Orbit Satellite Laser Relay Links

期刊: LASER & OPTOELECTRONICS PROGRESS, 2021; 58 (5)

Free space laser communication technology has been a research hotspot in the field of satecom and payload technology for a long time,with characterist......

Examination of Cigarette Ash Evidence by XRF Combined with Chemometrics

期刊: LASER & OPTOELECTRONICS PROGRESS, 2021; 58 (6)

Cigarette ash is one of the important material evidences in forensic science research. In this work, using the chemometric method, the energy dispersi......

Dynamic Metasurface Design and Functional Devices

期刊: LASER & OPTOELECTRONICS PROGRESS, 2021; 58 (9)

A dynamic metasurface is a metasurface in which adjustable elements are integrated into static metaatoms and whose functions are controlled by differe......

Research Progress on Single-Pixel Imaging Lidar via Coherent Detection

期刊: LASER & OPTOELECTRONICS PROGRESS, 2021; 58 (10)

Single-pixel imaging lidar via coherent detection is a computational imaging method that obtains the target's information through a detector without t......

Mode Converter of Optical Fiber Communication System Based on Space Division Multiplexing

期刊: LASER & OPTOELECTRONICS PROGRESS, 2021; 58 (11)

To improve limitations of bandwidth capacity of optical fiber communication system in practical engineering applications, a photonic crystal fiber cor......

Multi-Viewpoint Optical Positioning Algorithm Based on Optimal Reconstruction Accuracy

期刊: LASER & OPTOELECTRONICS PROGRESS, 2021; 58 (11)

Multi-viewpoint optical positioning system is an effective solution to make up for the disadvantages of light occlusion in optical positioning because......

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