... constructed In the domain of face detection In the domain of face detection < 1% false negative < 1% false negative
Ngày tải lên: 24/04/2014, 13:29
... Jones M: Rapid object detection using a boosted cascade of simple features CVPR 2001, 1:511 17 Agrawal M, Konolige K, Blas MR, CenSur E: center surround extremas for realtime feature detection and ... thresholding for change detection Pattern Recogn Lett 2003, 24(14):2345-2356 doi:10.1186/1687-5281-2011-13 Cite this article as: Wan Zaki et al.: Moving object detection using keypoints reference ... Correspondingly, using global thresholding over this mask, we can obtain the same result as the local thresholding Comparison and discussion In this article, we have proposed a new method for moving object detection...
Ngày tải lên: 20/06/2014, 22:20
Báo cáo hóa học: " Research Article Robust Abandoned Object Detection Using Dual Foregrounds" pptx
... might be multiple detections for a frame if the objects are spatially disconnected FA shows the falsely detected objects Ttrue and Tfalse are the duration of the correct and false detections Tmiss ... foreground FL captures moving objects and temporarily static regions The short-term foreground FS captures only moving objects The evidence E gets greater as the object stays longer an embedded ... moving objects, temporarily static objects, as well as moving cast shadows and illumination changes that the background models fail to adapt The short-term foreground mask FS contains the moving objects,...
Ngày tải lên: 22/06/2014, 19:20
Tài liệu Báo cáo khoa học: "Finding Hedges by Chasing Weasels: Hedge Detection Using Wikipedia Tags and Shallow Linguistic Features" doc
... indicate that an article needs to be improved, i.e., they are intended to be removed after the objectionable sentence has been edited This implies that weasel tags are short lived, very sparse ... set of 500 sentences We removed formatting, comments and links to references from all dumps As testing data we use the dump completed on March 6, 2009 It comprises 70,437 sentences taken from ... Retrieval, 2(1-2):1–135 Riloff, Ellen, Janyce Wiebe & Theresa Wilson (2003) Learning subjective nouns using extraction pattern bootstrapping In Proceedings of the 7th Conference on Computational Natural...
Ngày tải lên: 20/02/2014, 09:20
Báo cáo khoa học: "A Support Platform for Event Detection using Social Intelligence" pot
... research/lt/resources/langid 70 lang-detect4 and the Compact Language Detector (CLD) from the Chrome browser. 5 langid.py returns a monolingual prediction of the language content of a given message, ... “before”) and vowel lengthening (e.g goooood “good”) 3.4 Geolocation A vital component of event detection is the determination of where the event is happening, e.g to make sense of reports of ... is to return the user-level registered location as the event http://code.google.com/p/ language -detection/ http://code.google.com/p/ chromium-compact-language-detector/ location, based on the...
Ngày tải lên: 08/03/2014, 21:20
Báo cáo khoa học: "Robust VPE detection using Automatically Parsed Text" pdf
... summarise the findings : • Using the BNC, which is tagged with a complex tagging scheme but has no parse data, it is possible to get 76% F1 using lexical forms and POS data alone • Using the Treebank, ... raised to 68% using extra features • Parsing the BNC, top performance is 71%, raised to 72% using extra features • Combining the parsed data, top performance is 67%, raised to 71% using extra features ... using the empty categories Experiments with Automatically Parsed data The next set of experiments use the BNC and Treebank, but strip POS and parse information, and parse them automatically using...
Ngày tải lên: 17/03/2014, 06:20
Volatile Organic Compound Detection Using Nanostructured Copolymers potx
... and nonpolar VOCs The copolymers of regioregular poly(3-hexylthiophene) (rr-P3HT) were prepared using procedures described elsewhere.20-22 The chemical structures and properties of the polymers ... and deposited on the fabricated gold electrodes by an automated ink-jet system.24 Advantages of using the high precision ink-jet printing system include precise control of localized spot positioning ... were then tested at room temperature for their chemical sensing responses to various VOC vapors using L/min pure nitrogen as a carrier gas Analyte concentrations ranging from 10 to 3500 ppm (depending...
Ngày tải lên: 22/03/2014, 14:20
Báo cáo khoa học: "Decision detection using hierarchical graphical models" docx
... determine how much using ASR output degrades detection of decision regions The authors used the AMI DA annotations 309 current utterance The authors conducted experiments using the AMI corpus ... discussion region contains at least one Issue DDA and one Resolution DDA Prior Work on Decision Detection using Graphical Models To detect each individual DDA class, Bui et al (2009) examined the four ... other features when automatic speech recognition (ASR) is poor More detail about decision detection using DGMs will be presented in section For the experiments reported in this study, we used...
Ngày tải lên: 23/03/2014, 16:20
Báo cáo khoa học: "Semi-supervised Learning for Automatic Prosodic Event Detection Using Co-training Algorithm" doc
... evidence and reported accuracy of 78.4% for accent detection compared with 80.1% using supervised learning She also exploited a semi-supervised approach using Laplacian SVM classification on a small ... 87% accuracy on accent and break index detection at the syllable level The work of Sridhar et al (2008) using a maximum entropy model achieved accent and IPB detection accuracies of 86% and 93% ... been done in prosodic detection using unsupervised or semi-supervised methods Ananthakrishnan and Narayanan (2006) proposed an unsupervised algorithm for prosodic event detection This algorithm...
Ngày tải lên: 23/03/2014, 16:21
start programming using object pascal
... techniques in general in addition to the Object Pascal Language The Object Pascal Language The first appearance of the Pascal Language supporting Object Oriented programming was in 1983 by Apple computer company. After that Borland supported Object Oriented programming for their famous ... This book is written for programmers who want to learn the Object Pascal Language. It is also suitable as a first programming book for new students and nonprogrammers. It illustrates programming techniques in general in addition to the Object Pascal Language ... Apple computer company. After that Borland supported Object Oriented programming for their famous Turbo Pascal line Object Pascal is a general purpose hybrid (structured and object oriented programming) language. It can be used for a vast range of applications, like learning, game development, business applications, ...
Ngày tải lên: 13/06/2014, 16:20
Báo cáo hóa học: " Noxious gas detection using carbon nanotubes with Pd nanoparticles" ppt
... 0.2 wt.% solution of SDS surfactant using deionized water Dispersion of SWNTs was performed in a bath sonicator for h, and vacuum filtration was performed using Teflon filters (pore size 20 μm, ... responses Conclusions We successfully fabricated a noxious gas sensor for the detection of NH and CO gases at room temperature using CNTs with reduced Pd NPs The carboxylic acid group and defect sites ... α-Fe2O3 nanotubes fabricated using carbon nanotube templates Adv Mater 2005, 17:2993 10 Ju S, Lee JM, Jung Y, Lee E, Lee W, Kim S: Highly sensitive hydrogen gas sensors using single-walled carbon...
Ngày tải lên: 20/06/2014, 22:20
báo cáo hóa học: " Sense through wall human detection using UWB radar" pptx
... to wall and enhances the peak due to target B Human target detection [4-6] Detection of human beings with radars is based on movement detection (e.g., walking human), chest movements due to breathing ... wall, and concrete wall VI Conclusion and future work For detection of human target using UWB radar, various sets of measurements were taken using monostatic radar mode Data were collected for different ... types of walls and doors The scans collected were analyzed using three different approaches It is observed that the heart beat detection using Doppler approach works for wooden door, gypsum, and...
Ngày tải lên: 21/06/2014, 02:20
Báo cáo hóa học: " Research Article Automatic Music Boundary Detection Using Short Segmental Acoustic Similarity in a Music Piece" potx
... the music boundaries using similar segments that are extracted by segmental CDP The feasibility of the proposed method is verified by experiments on music boundary detection using open music datasets ... results of using dissimilarity of feature vectors for a voice-music mixed dataset The performance for music boundary detection was greatly improved Figure 10 also shows the results obtained using ... the area around the points that are regarded as the music boundaries by the music boundary detection using similarity in a music piece In order to find acoustically changing points of the feature...
Ngày tải lên: 22/06/2014, 00:20
Báo cáo hóa học: "Research Article Multiuser Detection Using Adaptive Multistage Matrix Wiener Filtering Schemes with Stage-Selection Criteria in DS-UWB" docx
... + 1) = round M(i + 1) , (30) 150 200 250 300 Numbers of iterations 350 400 MMWF using (28) MMWF using (29) MMWF using WNGC (a) Figure 3: Mean square error versus the number of training symbols ... MMWF-based algorithms ⎧ ⎪ML , ⎪ ⎪ ⎪ ⎨ 100 MMWF (M = 2) MMWF (M = 5) FI-MMWF MMWF using (28) MMWF using (29) MMWF using WNGC 100 Mean square error (MSE) simply substituting Rrb by Rrb (“spreading” ... to stabilize system performance (3) Fuzzy operators: The fuzzified input variables are combined using the fuzzy “OR” operator, which selects the maximum value of the two, to obtain a single value...
Ngày tải lên: 22/06/2014, 01:20
Báo cáo hóa học: " Research Article Event Detection Using “Variable Module Graphs” for Home Care Applications" potx
... image represents the detection result using an overlayed semitransparent letter “P.” APPLICATION: EVENT DETECTION BASED ON MULTIPLE TARGETS We also designed applications for event detection based ... have to is to add an event detection module that is connected to the trajectory variable node, and add an event variable node to the event detection module The event detection module can work ... represents the detection result using an overlayed semitransparent letter “M.” (a) (b) (c) Figure 13: Proposed future work by no means indicative of how it compares to other event detection systems...
Ngày tải lên: 22/06/2014, 19:20
Báo cáo hóa học: " Research Article Falling Person Detection Using Multisensor Signal Processing" docx
... recordings in which a “fall” is detected Using audio Using both audio data only and PIR data No of recordings in which “false alarms” are issued Using audio Using both audio data only and PIR data 16 7 ... 1: Detection results and false alarms for 163-test recordings Audio signal content Walking + Speech Speech Walking Falling No of Recordings No of recordings in which a “fall” is detected Using ... No 4647918, March 1985 B U Toreyin, Y Dedeo˘ lu, and A E Cetin, “HMM based g falling person detection using both audio and video,” in Proceedings of the International Workshop on Computer Vision...
Ngày tải lên: 22/06/2014, 19:20
Báo cáo hóa học: " Research Article Cascaded Face Detection Using Neural Network Ensembles" docx
... solution to optimize both objectives (a) Detection accuracy In this section, we apply the ensemble technique into a cascading architecture for face detection such that both the detection accuracy and ... seen that our approach for face detection is among one of the best performing techniques in terms of detection accuracy Using the WEB data set, we achieve a face detection rate of 93% with a total ... facilitates an efficient implementation using programmable hardware Our proposed approach achieves one of the best detection accuracies in literature, with 94% detection rate on the well-known CMU+MIT...
Ngày tải lên: 22/06/2014, 19:20
Báo cáo hóa học: " Research Article Fabric Defect Detection Using Modified Local Binary Patterns" pdf
... unpatterned fabrics, the detection results of the pro- (a) (b) (c) Figure 10: (a) Defective fabric images, (b) detection results using our proposed algorithm, and (c) detection results using Gabor filters ... total number of detection windows that is created on the image Table illustrates the detection rate for different types of the defects using different LBP masks For computing the detection rate, ... also developed a method for defect detection using only imaginary part of Gabor filters Chan and Pang [21] offered a method for defect detection in textile fabrics using Fourier analysis Since Fourier...
Ngày tải lên: 22/06/2014, 19:20
Báo cáo hóa học: " Research Article Unsupervised Video Shot Detection Using Clustering Ensemble with a Color Global Scale-Invariant Feature Transform Descriptor" ppt
... operation than can be obtained using single local SIFT grayscale feature Moreover, CGSIFT can be used as the basis for color video shot detection VIDEO SHOT DETECTION USING CLUSTERING ENSEMBLES As ... unsupervised shot detection problem, we chose clustering-based shot detection methods for comparison instead of shot change-based detection algorithms Unlike clustering-based shot detection algorithms, ... different clustering methods have been used for shot detection We use a novel clustering strategy with clustering ensemble for shot detection Instead of using a single clustering method, clustering ensemble...
Ngày tải lên: 22/06/2014, 19:20
Báo cáo hóa học: " Research Article Speech/Nonspeech Detection Using Minimal Walsh Basis Functions" pptx
... detection, (c) estimated detection 3.2 Performance evaluation As performance criteria, the speech detection rate, nonspeech detection rate, and error rate were employed Speech and nonspeech detection ... results obtained by the proposed detection scheme are shown together with manually determined actual speech and nonspeech detection results It is seen that the detection accuracy is high for both ... method is evaluated by conducting the objective performance on different types of noise with varying SNRs using the criteria of error rate, speech/nonspeech detection rates, and false alarm rate...
Ngày tải lên: 22/06/2014, 22:20