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| 1 | Robust Image Hashing via Random Gabor Filtering and DWT显示文摘Image hashing is a useful multimedia technology for many applications,such as image authentication,image retrieval,image copy detection and image forensics.In this paper,we propose a robust image hashing based on random Gabor filtering and discrete wavelet transform(DWT).Specifically,robust and secure image features are first extracted from the normalized image by Gabor filtering and a chaotic map called Skew tent map,and then are compressed via a single-level 2-D DWT.Image hash is finally obtained by concatenating DWT coefficients in the LL sub-band.Many experiments with open image datasets are carried out and the results illustrate that our hashing is robust,discriminative and secure.Receiver operating characteristic(ROC)curve comparisons show that our hashing is better than some popular image hashing algorithms in classification performance between robustness and discrimination. | Zhenjun Tang Man Ling Heng Yao Zhenxing Qian Xianquan Zhang Jilian Zhang Shijie Xu | 2018 | Computers, Materials & Continua2018，，5： | 2 |
| 2 | Biohydrogen production from cattle wastewater by enriched anaerobic mixed consortia:influence of fermentation temperature and pH显示文摘 | TANG Guilan HUANG Jian SUN Zhenjun | 2008 | Journal of Bioscience and Bioengineering2008，106，1： | 1 |
| 3 | Biohy- drogen production from cattle wastewater by enriched anaerobic mixed consortia:influence of fermentation temperature and pH显示文摘 | TANG Guilan HUANG Jian SUN Zhenjun | 2008 | Journal of Bioscience and Bioengin- eering2008，106，1： | 1 |
| 4 | Robust image hashing for tamper detection using non- negative matrix factorization 显示文摘 | Tang Zhenjun Wang Shuozhong Zhang Xinpeng | 2008 | Journal o{ UKiquitous Convergence Technology2008，2，1： | 1 |
| 5 | Robust image Hashing using ring-based entropies 显示文摘 | Tang Zhenjun Zhang Xianquan Huang Liyan | 2013 | Signal Processing2013，93，7： | 1 |
| 6 | Robust image Hashing for tamper detection using non-negative matrix factorization显示文摘 | Tang Zhenjun Wang Shuozhong Zhang Xinpeng | 2008 | Journal of Ubiquitous Convergence and Technology2008，2，1： | 1 |
| 7 | Secure Image Encryption without Size Limitation Using Arnold Transform and Random Strategies显示文摘 | Tang Zhenjun Zhang Xianquan | | 0，，02： | 1 |
| 8 | Robust image hashing based on multiple histograms 显示文摘 | TANG Zhenjun HUANG Liyan DAI Yumin | 2012 | International Journal of Digital Content Technolo-gy and Its Applications2012，23，6： | 1 |
| 9 | Robust image hash function using local color features显示文摘 | Tang Zhenjun Zhang Xianquan Dai Xuan | 2013 | AEU- International Journal of Electronics and Communications2013，67，： | 1 |
| 10 | DRNet:Towards fast,accurate and practical dish recognition显示文摘Existing algorithms of dish recognition mainly focus on accuracy with predefined classes,thus limiting their application scope.In this paper,we propose a practical two-stage dish recognition framework(DRNet)that yields a tradeoff between speed and accuracy while adapting to the variation in class numbers.In the first stage,we build an arbitrary-oriented dish detector(AODD)to localize dish position,which can effectively alleviate the impact of background noise and pose variations.In the second stage,we propose a dish reidentifier(DReID)to recognize the registered dishes to handle uncertain categories.To further improve the accuracy of DRNet,we design an attribute recognition(AR)module to predict the attributes of dishes.The attributes are used as auxiliary information to enhance the discriminative ability of DRNet.Moreover,pruning and quantization are processed on our model to be deployed in embedded environments.Finally,to facilitate the study of dish recognition,a well-annotated dataset is established.Our AODD,DReID,AR,and DRNet run at about 14,25,16,and 5 fps on the hardware RKNN 3399 pro,respectively. | CHENG SiYuan CHU BinFei ZHONG BiNeng ZHANG ZiKai LIU Xin TANG ZhenJun LI XianXian | 2021 | Science China(Technological Sciences)2021，64，12： | 1 |
| 11 | Lexicographical framework for image hashing with im- plementation based on DCT and NMF显示文摘 | Tang Zhenjun Wang Shuozhong Zhang Xinpeng | 2011 | Multimedia Tools and Applications2011，52，23： | 1 |
| 12 | Robust image hashing via colour vector angles and discrete wavelet transform显示文摘 | Tang Zhenjun Dai Yumin Zhang Xianquan | 2013 | IET Image Processing2013，8，3： | 1 |
| 13 | Biohydrogen production from cattle wastewater by enriched anaerobic mixed consortia: influence of fermentation temperature and pH显示文摘 | TANG Guilan HUANG Jian SUN Zhenjun | 2008 | Journal of Bioscience and Bioengineering2008，106，1： | 1 |
| 14 | Lexicographical framework for image hashing with implementation based on DCT and NMF 显示文摘 | Tang Zhenjun Wang Shuozhong Zhang Xinpeng | 2011 | Multimedia Tools and Applications2011，52，4： | 1 |
| 15 | Robust image hashing based on multiple histograms 显示文摘 | TANG Zhenjun HUANG Liyan DAI Yumin | 2012 | International Journal of Digital Content Technolo-gy and Its Applications2012，23，6： | 1 |
| 16 | Biohydrogen production from cattle wastewater by enriched anaerobic mixed consortia:influence of fermentation temperature and pH显示文摘 | TANG Guilan HUANG Jian SUN Zhenjun | 2008 | Journal of Bioscience and Bioengineering2008，106，1： | 1 |
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