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A Robust Lane Segmentation Method tor Autonomous Vehicle Assistant System
Haiping Lin,Changju Yang,Hyongsuk Kim 제어로봇시스템학회 2008 제어로봇시스템학회 합동학술대회 논문집 Vol.2008 No.12
Dynamic Programming based high performance of lane segmentation method is presented in this paper. To perform sufficiently well in several real situations, we upgrade the information using inter-frames processing method, where the weighted overlapping of multiple frames with the temporal decay factor is introduced. The road lane segmentations obtained with dynamic Programming often have rough local curvatures. The other procedure will be employed for further lane validation. The experimentresults proved robustness of mentioned technique.
Road Boundary Detection on Highway with Searching Region of Interest on the Hough Transform Domain
Haiping Lin(임해평),Jong-Min Bae(배종민),Hyongsuk Kim(김형석) 대한전기학회 2006 대한전기학회 학술대회 논문집 Vol.2006 No.10
Searching the region of interest on the Hough transform domain is done to determine the real road boundary on the high speed way. The mathematical morphology is employed to obtain the gradient image which is utilized in Hough transform. Many possible candidates of lines could appear on the ordinary road environment and simple selection of the strongest line segments likely to be fault boundary lines. To solve such problem, the search area for the candidates of the road boundary which is called the region of interest is limited on the Hough space. The effectiveness of the proposed algorithm has been shown with experimental results.
Matrix-Diffusion-Controlled Coarsening of the γ′ Phase in Waspaloy
Haiping Wang,Dong Liu,Yongzhao Shi,Jianguo Wang,Yanhui Yang,Longxiang Wang,Weidong Qin 대한금속·재료학회 2019 METALS AND MATERIALS International Vol.25 No.6
This paper discussed the coarsening behavior of the γ′ phase in Waspaloy during heat treatment at different aging timesunder the temperatures of 960 °C and 1000 °C. The morphology of γ′ phase is obtained by scanning electron microscopyand it is measured by the software Image Pro Plus 6.0 in a variety of aging conditions. The volume fraction of the γ′ phase isdecreasing with the increase of the temperature. The radius of the γ′ phase is subject to involve the coarsening process duringaging treatment, and the coarsening rate decreases with the extension of the aging time at certain temperature. Besides,the coarsening kinetics of γ′ phase in Waspaloy is adequately characterized by the Lifshitz–Slyozov–Wagner (LSW) theorymodel as the particle size distribution and coarsening behavior show excellent agreement with the LSW model. Accordingto the experimental results and LSW model, the coarsening rate coefficients were determined to be 27.23 nm3/s and58.67 nm3/s under the aging temperature of 960 °C and 1000 °C respectively. Meanwhile, on the basis of the experimentalstatistics analysis and the LSW model, the mathematical model of the coarsening behavior of the γ′ phase in Waspaloy wasdeveloped. Mathematical model developed in this paper can be used to evaluate the coarsening process of the γ′ phase duringthermal exposure. The interfacial energy between the γ′ phase and the γ matrix was determined to be 56.04 mJ/m2 and44.27 mJ/m2 at the temperature of 960 °C and 1000 °C respectively.
Genetic Interacting Multiple Model Algorithm Based on H_∞ Filter for Maneuvering Target Tracking
Haiping Ma,Xieyong Ruan,Zhangxin Pan 제어·로봇·시스템학회 2011 International Journal of Control, Automation, and Vol.9 No.1
In order to have a good performance for maneuvering target tracking, a genetic interacting multiple model (GIMM) algorithm based on the H∞ filter is proposed in this paper. It introduces the H∞ filter as model-conditional filter, which keeps its robustness by constantly adjusting parameters, to improve the performance and the precision. Meanwhile, it optimizes model probabilities using the genetic algorithm (GA), chooses sub-models which are close to true models from a set of models, adjusts the number of models and parameters in real-time, reduces excessive competition, and improves the performance of the algorithm. The simulation results indicate that, the algorithm has higher tracking accuracy and stronger robustness than the standard IMM algorithm.
Haiping Chen,Yanan Zhou,Xin Su,Sutian Cao,Yanda Liu,Dan Gao,Liansuo An 한국공업화학회 2018 Journal of Industrial and Engineering Chemistry Vol.57 No.-
A new method of water recovery from flue gas with hollow micro–nano porous ceramic composite membranes has been put forward in order to deal with the evaporated wastewater from thermal power plants. The feasibility of this method has been investigated in theory, and ceramic membranes of different pore sizes in selective layer have been prepared for experiments. The achieved results indicate that the ceramic membrane with selective layer of 20 nm pore size is appropriate for different flue gas conditions. The amount of recovered water augments with the increasing relative humidity of gas. When the temperature of flue gas reaches 70 °C, the amount of recovered water is above 1 L/m2h and the recovery ratio can be up to 55%. This method has great potentiality in the application of water recovery from flue gas in thermal power plants.
Triangular Fuzzy Multi-attribute Decision Making Based on Risk Attitude of Decision Maker
Haiping Ren,Hui Zhou 보안공학연구지원센터 2015 International Journal of Hybrid Information Techno Vol.8 No.7
With respect to multi-attribute decision making problems in which the attribute values and weights of attributes are expressed with triangular fuzzy numbers, a new decision analysis method considering the risk attitude of the decision maker is proposed. In the method, firstly, risk attitude parameters of the decision maker are used to transfer the decision problem with triangular fuzzy numbers into the traditional decision problem with point values. Then, based on TOPSIS, a new decision making method is given. Finally, sensitivity analysis is made by selecting the different values of risk attitude parameter.
Haiping Li,Xinqi Guo,Xun Zhu,Yina Chen,Limin Zhang,Jiaqi Lu,Qiuting Qian 한국식품과학회 2024 Food Science and Biotechnology Vol.33 No.2
The aim of this study was to evaluate the effect of ultrahigh pressure processing (UHP) of 200, 300, 400, 500, 600 and 700 MPa for 20, 40 and 30 min on physicochemical and bioactive properties of the insoluble dietary fiber Pholiota nameko (PN-IDF). The results revealed that UHP were capable of decreasing the particle size of PN-IDF and binding phenolic content. Moreover, UHP technique had an improving effect on the bioaccessible phenolic content, the water-holding capacity, the oil-holding capacity and the nitrite ion adsorption capacity. Further, UHP technique presented a promoting effect on the antioxidant activity by scavenging ABTS or DPPH free radicals and increasing reducing power, and the anti-inflammatory activity by inhibiting carrageenan-induced paw edema on PN-IDF. Overall, this study well proved that UHP technology could improve the physicochemical and functional quality of PN-IDF, which could be used as a promising green technique for functional food ingredients processing.