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Real time and high-precision optical flow estimation is crucial for analyzing dynamic scenes in computer vision. Although traditional methods are fundamental, they often encounter issues with computation and accuracy, especially when executed on edge devices. The emergence of deep learning has driven the development of this field, providing higher accuracy, but at the cost of sacrificing computati...
Professor Zhang Huaijin and Yu Haohai from the Institute of Crystal Materials of Shandong University (the State Key Laboratory of Crystal Materials) proposed a spatial harmonic modulation strategy, which realizes the phase matching conditions that can be manipulated artificially in the new quartz crystal, and realizes the effective frequency doubling within the VUV range. The relevant research is ...
The research team led by Professor Gao Xiaoming of the Chinese Academy of Sciences Hefei Institute of Physical Sciences has improved the measurement accuracy of atmospheric greenhouse gases by using erbium-doped fiber amplifier assisted laser heterodyne radiometer.The study was published in the Journal of Optics and was selected as an editor's selection.LHR is renowned for its high sensitivity and...
In early spring of 2025, China's laser industry once again attracted the attention of global laser giants, ushering in a new wave of international investment boom.After several global laser giants accelerated their layout in China in 2024, in February 2025, Carl Zeiss from Germany and Bystronic from Switzerland, two global giants in the optical and laser fields, also announced significant expansio...
Recently, companies from Lithuania, Italy, and Germany have reached a new milestone in the European independent space mission - based on the Galactic project, they have developed a supply chain for Alexandrite laser crystals in Europe to study changes in the atmosphere and Earth's surface.The high-power Alexander laser crystals and coatings developed in the GALACTIC project will be used to collect...