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| 1 | Image universal steganalysis based on best wavelet packet decomposition显示文摘Based on the best wavelet packet decomposition of images, a new universal steganalysis method with high detection correct ratio is proposed. First, the best wavelet packet decomposition of image based on the Shannon entropy information cost function is made. Second, high order absolute characteristic function moments of histogram extracted from the coefficient subbands obtained by best wavelet packet decomposition are regarded as features. Finally, these features are processed and a back-propagation (BP) neural network is designed to classify original and stego images. Three different steganalysis algorithms for three different cases of background and application condition are presented. To validate the performance of the proposed method, a series of experiments are made for six kinds of typical steganography methods, i.e. LSB, LTSB, PMK, Jsteg, F5 and JPHide. Results show that, the average detection accuracy of the proposed method exceeds at least 6.4% and up to 15.4% and has a better universal performance than its closest competitors. Furthermore, the proposed method can provide reference for designing the pattern recognition and classification algorithm based on best wavelet packet decomposition. | LUO XiangYang LIU FenLin YANG ChunFang WANG DaoShun | 2010 | Science China(Information Sciences)2010，53，3： | 9 |
| 2 | Polypores on Spruce in Northeast China显示文摘Poroid species of wood-inhabiting fungi growing on spruce (Picea koraiensis Nakai or Picea yezoensis (Sieb. & Zucc.) Carriere) in Northeast China were investigated during 1993-2002, and 71 species were recorded from these trees or their wood. Skeletocutis lilacina A. David & Jean Keller and Skeletocutis papyracea A. David are new to China. Fomitopsis pinicola (Sw.:Fr.) P. Karst., Onnia leporina (Fr.) H. Jahn, Perenniporia subacida (Peck) Donk, Phaeolus sckweinitzii (Fr.:Fr.) Pat., Phellinidium sulphuras... | DAI Yucheng LIU Chunjing XU Cunbao Institute of Applied Ecology. Chinese Academy of Science. Shenyang 110016. China Forestry Institute of Tiding. Liaoning Province, Tieling 112000 Fenline Nature Reserve. Heiloneiiang Academy of Forestry. Yichun 153033 | 2003 | Chinese Forestry Science and Technology2003，2，2： | 2 |
| 3 | Modification ratio estimation for a category of adaptive steganography显示文摘This paper investigates the detection of adaptive image steganography. Firstly, the sample pair analysis model of multiple least-significant bits (MLSB) replacement is analyzed, and the conditions under which the adaptive steganography can be detected via this model are given. For the category of adaptive steganography satisfying these conditions, a general quantitative steganalysis method is presented based on specific areas and sample pair analysis. Then, for a typical adaptive steganography, some concrete methods are proposed to select specific areas and trace sets of sample pairs, and estimate the stego modification ratios. Experimental results show that the proposed methods can estimate the stego modification ratio accurately. This verifies the validity of the proposed general quantitative steganalysis method. | LUO XiangYang LIU FenLin YANG ChunFang LIAN ShiGuo | 2010 | Science China(Information Sciences)2010，53，12： | 2 |
| 4 | Stepwise inter-frame correlation-based steganalysis system for video streams 显示文摘 | Liu Bin Liu Fenlin Yang Chenfang | 2008 | Security and Communication networks2008，1，6： | 1 |
| 5 | Abstract interpretation-based semantic framework for software birthmark显示文摘 | Ying Zeng FenLin Liu XiangYang Luo ShiGuo Lian | 2012 | Compute & Security2012，31，4： | 1 |
| 6 | Extracting hidden messages of MLSB steganography based on optimal stego subset显示文摘Dear editor,In recent years, steganalysis researchers have tried their best to extract the hidden messages. For example, under the condition of a known embedding position generator, Liu et al.[1] proposed a collision attack algorithm to recover the stego key of least significant bit (LSB) steganography. Fridrich et al.[2] proposed a chi-squared-test-based method to recover the stego key of LSB steganography for the case of an unknown carrier. Under the condition of multiple stego images embedded into the same positions, Ker [3] first proposed locating | Chunfang YANG Xiangyang LUO Jicang LU Fenlin LIU | 2018 | Science China(Information Sciences)2018，61，11： | 1 |
| 7 | Designing a Secure Round Function Based on Chaos显示文摘A round function based on chaos is designed combining Feistel structure’s pseudo-randomness, chaotic system’s parameter sensitivity and image data characteristics. The round function composes of two parts--data transformation based on Feistel(abbreviated as FST) and sampling output based on chaos(abbreviated as SMP). FST bases on Feistel structure and several efficient operations including bitwise xor, permutation and circulating shift. SMP is a chaos based pseudo-random sampling algorithm. It is from theoretical analysis that the round function is a pseudo-random function. The upper bounds of the average maximum differential probability and average maximum linear probability are p^2 and q^2 respectively. Finally, the good pseudo-randomness of the round function is examined with the NIST random test. The design of this round function provides an important cryptographic component for the design of chaotic image encryption algorithm. | Bin Lu Xin Ge Fenlin Liu | 2020 | China Communications2020，17，5： | 1 |
| 8 | Abstract in- terpretation-based semantic framework for software birth- mark显示文摘 | Zeng Ying Liu Fenlin Luo Xiangyang | 2012 | Computers & Security2012，31，4： | 1 |
| 9 | Extracting embedded messages using adaptive steganography based on optimal syndrome-trellis decoding paths显示文摘Privacy protection is the key to maintaining the Internet of Things(IoT)communication strategy.Steganography is an important way to achieve covert communication that protects user data privacy.Steganalysis technology is the key to checking steganography security,and its ultimate goal is to extract embedded messages.Existing methods cannot extract under known cover images.To this end,this paper proposes a method of extracting embedded messages under known cover images.First,the syndrome-trellis encoding process is analyzed.Second,a decoding path in the syndrome trellis is obtained by using the stego sequence and a certain parity-check matrix,while the embedding process is simulated using the cover sequence and parity-check matrix.Since the decoding path obtained by the stego sequence and the correct parity-check matrix is optimal and has the least distortion,comparing the path consistency can quickly filter the coding parameters to determine the correct matrices,and embedded messages can be extracted correctly.The proposed method does not need to embed all possible messages for the second time,improving coding parameter recognition significantly.The experimental results show that the proposed method can identify syndrome-trellis coding parameters in stego images embedded by adaptive steganography quickly to realize embedded message extraction. | Jialin Li Xiangyang Luo Yi Zhang Pei Zhang Chunfang Yang Fenlin Liu | 2022 | Digital Communications and Networks2022，8，4： | 1 |
| 10 | A chaos-based robust software watermarking, information security practice and experience显示文摘 | Liu Fenlin Lu Bin Luo Xiangyang | 2006 | Lecture Notes in Computer Science2006，3903，： | 1 |
| 11 | Tuberoplasty:creation ofan acromiohumeral articulation-a treatment option for massive,ir-reparable rotator cuff tears显示文摘 | Fenlin JM Jr Chase JM Rushton SA | 2002 | J Shoulder Elbow Surg2002，11，2： | 1 |
| 12 | Homotopy method for a mean curvature-based denoising model显示文摘 | Yang Fenlin Chen Ke Yu Bo | 2012 | Journal of AppLied Numerical Mathematics2012，62，3： | 1 |
| 13 | A relaxed fixed point method for a mean curvature-based denoising model显示文摘 | Yang Fenlin Chen Ke Yu Bo | 2014 | Optimization Methods and Software2014，29，2： | 1 |
| 14 | Efficient homotopy solution and a convex combination of ROF and LLT models for imagerestoration 显示文摘 | Yang Fenlin Chen Ke Yu Bo | 2012 | International Journal of Numerical Analysis and Modeling2012，9，90： | 1 |
| 15 | Street-Level IP Geolocation Algorithm Based on Landmarks Clustering显示文摘Existing IP geolocation algorithms based on delay similarity often rely on the principle that geographically adjacent IPs have similar delays.However,this principle is often invalid in real Internet environment,which leads to unreliable geolocation results.To improve the accuracy and reliability of locating IP in real Internet,a street-level IP geolocation algorithm based on landmarks clustering is proposed.Firstly,we use the probes to measure the known landmarks to obtain their delay vectors,and cluster landmarks using them.Secondly,the landmarks are clustered again by their latitude and longitude,and the intersection of these two clustering results is taken to form training sets.Thirdly,we train multiple neural networks to get the mapping relationship between delay and location in each training set.Finally,we determine one of the neural networks for the target by the delay similarity and relative hop counts,and then geolocate the target by this network.As it brings together the delay and geographical coordinates clustering,the proposed algorithm largely improves the inconsistency between them and enhances the mapping relationship between them.We evaluate the algorithm by a series of experiments in Hong Kong,Shanghai,Zhengzhou and New York.The experimental results show that the proposed algorithm achieves street-level IP geolocation,and comparing with existing typical streetlevel geolocation algorithms,the proposed algorithm improves the geolocation reliability significantly. | Fan Zhang Fenlin Liu Rui Xu Xiangyang Luo Shichang Ding Hechan Tian | 2021 | Computers, Materials & Continua2021，，3： | 1 |
| 16 | Tuberopl- asty:creation of an acromiohumeral articulation-a treatment option for massive, irreparable rotator cufftears显示文摘 | Fenlin JM Jr Chase 7M Rushton SA | 2002 | J Shoulder Elbow Surg2002，11，2： | 1 |
| 17 | Use of an antibiotie-impregamted bonece- ment block in the revision of an infected shoulder arthroplasty 显示文摘 | Ramsey ML Fenlin JM | 1996 | J Shoulder Elbow Surg1996，5，6： | 1 |
| 18 | A review on blind detection for im- age steaganography 显示文摘 | Luo Xiangyang WANG Daoshun WANG Ping Lru Fenlin | 2008 | Signal Processing2008，88，： | 1 |
| 19 | Fourier transform-infrared studies on the effects of salt and drought stress on the chemical composition and pro-tein conformation changes in Arabidopsis leaves显示文摘We examined the changes of chemical composition and protein conformation in Arabidopsis leaves by Fourier transform-infrared (FT-IR) spectrometry Arabidopsis under 50 mmol/L NaCl salt and -0.5 mPa polyethylene glycols 8000 (PEG 8000) drought stress during the early stages of growth.We primarily analyzed the absorption band areas in the 1,745 cm-1 (ester),1,600-1,700 cm-1 (amide I),and 1,100 cm-1 (carbohydrate) changes under salt stress and drought stress within 24 hours.The results showed that ester content declined at the beginning and then increased steadily during 24 hours of drought stress.But under salt stress,it de-clined steadily,and it was about 40 percent of the control after 24 hours.The protein synthesis increased by 25 percent after one hour of salt stress and then reached about 85 percent of the control after 24 hours.Under drought stress,the protein synthesis de-creased and reached aminimal level at the 4-hr time point;it then recovered to the control level at the 24-hr point.The patterns of the accumulation of carbohydrates in the 1,100 cm-1 band areas resembled that of amide I band changes under drought stress and salt stress.Analyzing the ratio A1,627cm-1/A1,658cm-1 under drought stress revealed that the leaves' entire protein structure maintained a higher-level ordered form than did those under salt stress.Thus our results indicate the existence of different strategies of the Arabidopsis adaptation to salt stress and drought stress. | Xin Zhao 1,FenLin Sheng 2,XinRong Li 1,GuoXiong Chen 1 1.Laboratory of Plant Stress Ecophysiology and Biotechnology,Cold and Arid Regions Environmental and Engineering Re-search Institute,Chinese Academy of Sciences,Lanzhou,Gansu 730000,China.2.Instrumental Analysis & Research Center,Lanzhou University,Lanzhou,Gansu 730000,China | 2009 | Research in Cold and Arid Regions2009，1，4： | 1 |
| 20 | Delay-Distance Correlation Study for IP Geolocation显示文摘Although many classical IP geolocation algorithms are suitable to rich-connected networks,their performances are seriously affected in poor-connected networks with weak delay-distance correlation. This paper tries to improve the performances of classical IP geolocation algorithms by finding rich-connected sub-networks inside poor-connected networks. First,a new delay-distance correlation model(RTD-Corr model)is proposed. It builds the relationship between delay-distance correlation and actual network factors such as the tortuosity of the network path and the ratio of propagation delay. Second,based on the RTD-Corr model and actual network characteristics,this paper discusses about how to find rich-connected networks inside China Internet which is a typical actual poor-connected network. Then we find rich-connected sub-networks of China Internet through a large-scale network measurement which covers three major ISPs and thirty provinces. At last,based on the founded rich-connected sub-networks,we modify two classical IP geolocation algorithms and the experiments in China Internet show that their accuracy is significantly increased. | DING Shichang LUO Xiangyang YE Dengpan LIU Fenlin | 2017 | Wuhan University Journal of Natural Sciences2017，22，2： | 1 |
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