Zhejiang University Press
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Patch-guided facial image inpainting by shape propagation
Zhejiang University Press - Tập 10 - Trang 232-238 - 2009
Images with human faces comprise an essential part in the imaging realm. Occlusion or damage in facial portions will bring a remarkable discomfort and information loss. We propose an algorithm that can repair occluded or damaged facial images automatically, named ‘facial image inpainting’. Inpainting is a set of image processing methods to recover missing image portions. We extend the image inpain......
Tăng cường truyền khối lượng trong quá trình khử oxi bằng màng sợi rỗng nhờ vào các dòng xoáy Dean Dịch bởi AI
Zhejiang University Press - Tập 20 - Trang 601-613 - 2019
Bài báo này báo cáo một nghiên cứu mô hình hóa và thực nghiệm về việc tăng cường truyền khối lượng trong quá trình khử oxi nước bằng cách sử dụng màng sợi rỗng xoắn (HHFM) để tạo ra các dòng xoáy Dean. Các thí nghiệm cho thấy rằng tỷ lệ khử oxi của HHFM gấp đôi so với việc khử oxi bằng màng sợi rỗng thẳng. Một mô hình mới để miêu tả quá trình truyền khối lượng khử oxi của HHFM đã được phát triển b......
#khử oxi #màng sợi rỗng #dòng xoáy Dean #truyền khối lượng #tối ưu hóa
Filament geometrical model and nozzle trajectory analysis in the fused deposition modeling process
Zhejiang University Press - Tập 10 - Trang 370-376 - 2009
The geometrical model of the filament during the fused deposition modeling (FDM) process was firstly proposed based on three different models, tractrix, parabola, and catenary. Comparing with the actual measured filament curves on the Stratasys 1600 FDM machine, it is indicated that the tractrix model had the best agreement with the actual measured curves. With the analytical simulation, the nozzl......
Interferometric measurement of an atomic wave function by using a standing wave method
Zhejiang University Press - - 2000
Improved concept models for straight thin-walled columns with box cross section
Zhejiang University Press - Tập 9 - Trang 1473-1479 - 2008
This paper focuses on developing improved concept models for straight thin-walled box sectional columns which can better predict the peak crushing force that occurs during crashworthiness analyses. We develop a nonlinear translational spring based on previous research and apply such a spring element to build the enhanced concept models. The work presented in this article is developed on the basis ......
Efficient volume preserving approach for skeleton-based implicit surfaces
Zhejiang University Press - Tập 4 - Trang 637-642 - 2003
This paper presents an efficient way to preserve the volume of implicit surfaces generated by skeletons. Recursive subdivision is used to efficiently calculate the volume. The criterion for subdivision is obtained by using the property of density functions and treating different types of skeletons respectively to get accurate minimum and maximum distances from a cube to a skeleton. Compared with t......
Effect of carbon dioxide concentration on the combustion characteristics of boron agglomerates in oxygen-containing atmospheres
Zhejiang University Press - Tập 24 Số 11 - Trang 949-959 - 2023
Bounded adaptive output feedback tracking control for flexible-joint robot manipulators
Zhejiang University Press - Tập 19 - Trang 557-578 - 2018
This paper presents a bounded adaptive output feedback tracking control approach for flexible-joint robot manipulators with parametric uncertainties and bounded torque inputs, from a systematic perspective of different (weak or strong) joint flexibilities. The singular perturbation theory and integral manifold concept are applied to decouple the dynamics of flexible-joint robot manipulators into a......
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