基本介紹
- 中文名：汪凱巍
- 出生日期：1979年11月
- 畢業院校：清華大學
- 學位/學歷：博士研究生
- 專業方向：精密測試技術、視覺感測與輔助技術
- 職務：副教授
- 性別：男
教學工作,研究與成果,出版著作,
教學工作
一、承擔課程
連續多年承擔浙江大學光電系本科生必修課《光電檢測技術及系統》專業課程，歷次學生評價均為優。
二. 承擔及參與教學項目
1. 《光電套用實驗》課程建設, 排名1/5， 2012光電系教改項目
2. “教學模式和評價模式轉變的改革與實踐”,2012浙江大學本科教學方法改革研究重點項目，排名3/6
3. 體現綜合素質培養的多元化教學與考核方式改革 ，排名2/6，2013浙江大學教改項目
4. 制訂客觀合理的“學評教” 和“教學評估”評價指標和實施辦法,排名1/4，2014光電系教改項目
2. “教學模式和評價模式轉變的改革與實踐”,2012浙江大學本科教學方法改革研究重點項目，排名3/6
3. 體現綜合素質培養的多元化教學與考核方式改革 ，排名2/6，2013浙江大學教改項目
4. 制訂客觀合理的“學評教” 和“教學評估”評價指標和實施辦法,排名1/4，2014光電系教改項目
三、成果和獎勵
1. 浙江省高校第八屆青年教師教學技能競賽，特等獎
2. 2013年，浙江大學青年教師教學技能競賽，一等獎
1.“三結合、四平台”的光電專業人才 綜合實踐能力培養探索與實踐，浙江省教學成果獎浙江省第七屆高等教育教學成果一等獎（排名8/10）
2. 光電系專業課程群“三個轉變”教學方法改革實踐與成效，浙江大學校級教學成果一等獎（排名3/8）。
3.浙江大學2013年度優質教學獎二等獎。
2. 光電系專業課程群“三個轉變”教學方法改革實踐與成效，浙江大學校級教學成果一等獎（排名3/8）。
3.浙江大學2013年度優質教學獎二等獎。
研究與成果
障礙物檢測
基於紅外雙目相機，在自然光和結構光的輔助下，進行大尺度立體匹配，獲取稠密深度圖。利用均值漂移算法，計算最近若干個障礙物的距離、方向和尺寸，並映射到立體聲音，輔助視障人士的通行。
地面檢測
基於紅外雙目相機，在自然光和結構光的輔助下，進行大尺度立體匹配和彩色圖引導濾波，補全深度圖。利用隨機採樣一致性、表面法向量估計和種子區域生長等算法檢出地面區域，並映射到立體聲音，輔助視障人士的通行。
紙幣識別
紙幣識別是根據視障人士需求調研所提供的便利生活的功能設計。現有的紙幣識別方法是根據RGB-D相機進行深度篩選，用分類器框出檢測到的紙幣區域，對區域進行SURF特徵點檢測判斷是否存在紙幣以及紙幣面值。該方法可以針對複雜環境實時提取紙幣區域並給出紙幣面值，具有較好的魯棒性。
紅綠燈檢測
基於顏色提取和機器學習的人行道交通燈檢測算法，能夠實時準確地檢測到交通燈在圖像中的位置，並給出交通燈的狀態。如圖所示，框選交通燈的對應顏色矩形，即為檢測結果。
斑馬線檢測
安全地過馬路是盲人群體日常出行的迫切需要。基於條帶提取和聚類的人行橫道檢測算法，被用於盲人在交通路口尋找和定位人行橫道。如圖所示，人行橫道的位置和方向被識別出來，並轉換為提示信息輸出給使用者。
人臉識別
盲人智慧型視覺輔助中的人臉識別，旨在幫助視障人士感知和識別日常生活場景中出現的朋友，親人，陌生人等。人臉識別系統運用彩色深度信息融合，目標跟蹤，神經網路等技術，可以實現：在視障用戶使用智慧型視覺輔助設備的過程中，人臉識別系統逐漸採集並學習用戶常遇見的人臉，當識別系統達到足夠的訓練程度時對場景中出現的人臉進行識別，將識別結果以特定的互動方式傳遞給視障用戶。
可通行區域檢測
基於可見光雙目相機，進行半全局立體匹配和彩色圖引導濾波，補全深度圖。利用動態規划算法檢出隨機占據柵格下的可通行區域，利用樣條曲面擬合地面，利用棒狀像素表示障礙物，並映射到立體聲音，輔助視障人士的通行。
水坑檢測
基於偏振可見光雙目相機，進行半全局立體匹配和彩色圖引導濾波，補全深度圖。利用動態規划算法，融合偏振-彩色-深度信息，檢出可通行區域與地面水坑區域，並映射到立體聲音，輔助視障人士的出行。
樓梯檢測
基於紅外雙目相機，在自然光和結構光的輔助下，進行大尺度立體匹配，獲取稠密深度圖。利用表面法向量估計、平面聚類和直方圖分割等算法，檢出樓梯區域，並輸出最近若干級台階的距離、高度和方向。
出版著作
[1]. H. Chen, *K. Wang, W. Hu, L. Fei (2018). SORB: improving ORB feature matching using semantic segmentation. Accepted by SPIE Security + Defence, Berlin (Germany), September 2018
[2]. Z. Huang, *K. Wang, K. Yang, R. Cheng, J. Bai (2018) Glass detection and recognition based on the fusion of ultrasonic sensor and RGB-D sensor for the visually impaired. Accepted by SPIE Security + Defence, Berlin (Germany), September 2018
[3]. L. Fei, *K. Wang, H. Chen, S. Lin (2018). Optical character detection and recognition for visually impaired people in certain scenarios. Accepted by SPIE Security + Defence, Berlin (Germany), September 2018
[4]. W. Hu, *K. Wang, H. Chen (2018). A robust localization approach in relatively fixed environment using multisensor fusion. Accepted by SPIE Security + Defence, Berlin (Germany), September 2018
[5]. K. Yang, *K. Wang, L. M. Bergasa, E. Romera, W. Hu, D. Sun, J. Sun, R. Cheng, T. Chen, E. López. Unifying Terrain Awareness for the Visually Impaired through Real-Time Semantic Segmentation. Sensors. 2018 Apr 18; 18(5):1506. Belongs to the Special Issue Wearable Smart Devices.
[6]. H. Chen, *K. Wang, K. Yang (2018). Improving RealSense by Fusing Color Stereo Vision and Infrared Stereo Vision for the Visually Impaired. Accepted by 2nd International Conference on Frontiers of Image Processing (ICFIP), Bacelona (Spain), March 2018
[7]. S. Lin, *K. Wang, K. Yang, R. Cheng (2018). KrNet: Kinetic Real-time Convolutional Neural Network for Navigational Assistance. Accepted by 16th International Conference on Computers Helping People with Special Needs (ICCHP), Linz (Austria), July 2018.
[8]. R. Cheng, *K. Wang, S. Lin (2018). Intersection Navigation for People with Visual Impairment. Accepted by 16th International Conference on Computers Helping People with Special Needs (ICCHP), Linz (Austria), July 2018.
[9]. R. Cheng, *K. Wang, L. Lin, K. Yang (2018). Visual Localization of Key Positions for Visual Impaired People. Accepted by 24th International Conference on Pattern Recognition (ICPR), Beijing (China), August 2018.
[10]. N. Long, *K. Wang, R. Cheng, K. Yang and J. Bai. (2018). Millimeter wave Radar and RGB-Depth sensors for the visually impaired. Accepted by SPIE Security + Defence, Berlin (Germany), September 2018.
[11]. J. Wang, K. Yang, W. Hu, *K. Wang (2018). An environmental perception and navigational assistance system for visually impaired persons based on semantic stixels and sound interaction. Submitted to IEEE International Conference on Systems, Man, and Cybernetics (SMC), Miyazaki (Japan), October 2018.
[12]. R Cheng , * K Wang , K Yang , N Long , J Bai (2017). Real-time pedestrian crossing lights detection algorithm for the visually impaired. Multimedia Tools & Applications , 2017 (10) :1-21
[13]. Yang, K., *Wang, K., Zhao, X., Cheng, R., Bai, J., Yang, Y., & Liu, D. (2017). IR stereo RealSense: Decreasing minimum range of navigational assistance for visually impaired individuals. Journal of Ambient Intelligence and Smart Environments, 9(6), 743-755.
[14]. Ruiqi Cheng, *Kaiwei Wang, Kailun Yang, Ningbo Long, Weijian Hu, Hao Chen, Jian Bai, Dong Liu (2017). Crosswalk navigation for people with visual impairments on a wearable device. J. Electron. Imaging 26(5), 053025 (2017), doi: 10.1117/1.JEI.26.5.053025.
[15]. Yang, K., *Wang, K., Cheng, R., Hu, W., Huang, X., & Bai, J. (2017). Detecting Traversable Area and Water Hazards for the Visually Impaired with a pRGB-D Sensor. Sensors (Basel, Switzerland), 17(8).
[16]. Huang, X., Luo, Y., Bai, J., Cheng, R., He, * K., Wang, K., Liu, Q., Luo, Y., Du, J. (2017). Polarimetric target depth sensing in ambient illumination based on polarization-coded structured light. Applied Optics,56(27), 7741-7748.
[17]. Lu, Q., Bai, J., *Wang, K., Jiao, X., Han, D., & Chen, P., et al. (2017). Determination of thermally induced effects and design guidelines of optomechanical accelerometers. Measurement Science & Technology.
[18]. Xiao Huang,Jian Bai, *Kaiwei Wang,Qun liu,Yujie Luo & Kailun Yang.(2017). Target enhanced 3d reconstruction based on polarization-coded structured light. Optics Express, 25(2), 1173.
[19]. Kailun Yang, *Kaiwei Wang, Weijian Hu&Jian Bai. (2016). Expanding the Detection of Traversable Area with RealSense for the Visually Impaired. [J].Sensors, 2016, 16(11): 1954.
[20]. Xiangdong Zhao, *Kaiwei Wang,Kailun Yang&Weijian Hu.(2016). Unconstrained face detection and recognition based on RGB-D camera for the visually impaired. Proc. SPIE 10225, Eighth International Conference on Graphic and Image Processing (ICGIP 2016), 1022509.
[21]. Ruiqi Cheng, *Kaiwei Wang, Kailun Yang & Xiangdong Zhao. (2015). A ground and obstacle detection algorithm for the visually impaired. Iet International Conference on Biomedical Image and Signal Processing. IET.
[22]. Kailun Yang, *Kaiwei Wang, Ruiqi Cheng & Xunmin Zhu. (2015). A new approach of point cloud processing and scene segmentation for guiding the visually impaired. Iet International Conference on Biomedical Image and Signal Processing. IET.
[23]. Yang S., Jiang X., Maxwell G. and Wang K., An integrated optical coupler used in a fibre interferometry system for on-line surface measurements. Optics Communications, 281 (5). pp. 1099-1107. ISSN 0030-4018
[24]. Wang K., Martin H. and Jiang X., Actively stabilized optical fiber interferometry technique for online/in-process surface measurement. Review of scientific instruments, 79 (2). ISSN 0034-6748
[25]. Martin H., Wang K. and Jiang X., Vibration compensating beam scanning interferometer for surface measurement. Applied Optics, 47 (7). pp. 888-893. ISSN 0003-6935
[26]. Jiang X., Wang K., Martin H. Near common-path optical fibre interferometer for potentially fast real-time micro/nano scale surface measurement, Optics Letters, 31 (24): 3603-3605
[27]. Wang K., Zeng L., Two-dimensional surface-profile imaging technique based on double-grating frequency shifter. Appl. Opt., 2005, 44(22): 4625-4630
[28]. Wang K., Zeng L., Heterodyne Fourier transform spectroscopy based on double-grating frequency shifter. Rev. Sci. Instrum., 2005, 76(6), Art. No. 063108
[29]. Wang, K., Zeng L., Double-grating frequency shifter for low-coherence heterodyne interferometry, Opt. Commun., 2005, 251(1-3):1-5
[30]. Wang K., Cai Z., Zeng L., A two-Dimensional surface-profile imaging technique based on heterodyne interferometer. Key Engineering Materials. 2005, 295-296: 477-482
[31]. Zeng L., Wang K., Invention patent, Achromatic Frequency Shifter for Broadband Light Source. Patent number: 03104769.6, 2005
[32]. Wang K., Zeng L, Yin C., Influence of the incident wave-front on intensity distribution of the nondiffracting beam used in large-scale measurement. Opt. Commun. 2003, 216: 99-103
[33]. Wang K., Jiang X., Martin H., Blunt L., Light-beam scanning interferometry for on-line ultra precision surface measurement, Light-beam scanning interferometry for on-line ultra precision surface measurement, Proceedings of the 7th euspen International Conference, 2007, Vol.1, pp302-305
[34]. Jiang X. Wang K., Actively stabilised optical device for potential on-line assessment of surfaces in ultra precision manufacturing, accepted by 11th International Conference on Metrology and Properties of Engineering Surfaces.Cardiff, Wales, 25th - 28th June2007
