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Segmenting and tracking objects in video sequences based on graphical probabilistic models

Segmenting and tracking objects in video sequences based on graphical probabilistic models

Segmenting and tracking objects in video sequences based on graphical probabilistic models

... SEGMENTING AND TRACKING OBJECTS IN VIDEO SEQUENCES BASED ON GRAPHICAL PROBABILISTIC MODELS WANG YANG (B.Eng., Shanghai Jiao Tong University, China) (M.Sc., Shanghai Jiao Tong University, China) ... sate-of-the-art research on segmenting and tracking objects in video sequences Section 2.1 surveys current work on video segmentation, Section 2.2 covers existing work on foreground segmentation by background ... humancomputer interaction and object -based video coding One essential issue in the design of such systems is the strategy to extract and couple motion information and intensity information during the video...
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Báo cáo

Báo cáo " Motion detection and tracking algorithms in video streams " docx

... problems In this paper we have introduced effectiveness increase of algorithms for moving objects detection and tracking For this, we use additive minimax similarity function, which possessing the ... processing 3.3 Moving objects tracking Moving objects tracking requires to match regions detected in two (or more) consecutive frames In real video, the matching has to deal with false detections due ... sequences the Binary masks of motion detection for iterative algorithm Binary masks of motion detection for BIF algorithm Binary masks of motion detection for Gaussian mixture Fig The motion masks...
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Báo cáo hóa học:

Báo cáo hóa học: "MAP Estimation of Chin and Cheek Contours in Video Sequences" pot

... OF CHIN AND CHEEK CONTOURS For representing the shape of chin and cheek contours, a parametric 2D model for these contours is introduced The estimation of chin and cheek contours is done by estimation ... max pg |fchin g |fchin pfchin fchin fchin (1) with g = |g(W, V )| The conditional probability density function pg |fchin (g |fchin ) is called likelihood function, while pfchin (fchin ) is the ... estimated In the second step, the cheek contours are determined MAP Estimation of Chin and Cheek Contours in Video Sequences 921 Figure 17: Test sequence Miss America: estimated chin and cheek contours...
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Báo cáo hóa học:

Báo cáo hóa học: " Research Article Short Exon Detection in DNA Sequences Based on Multifeature Spectral Analysis" potx

... Journal on Advances in Signal Processing Exon1 Intron1 Exon1 Exon2 Exon2 Intron2 Exon3 Exon3 Figure 1: A eukaryotic gene and the splicing process to distinguishing exonic and intronic regions is based ... base along the DNA sequence in the exon detection process In addition, we analyze multiple input signals at the same time since they all contain the 1/3 frequency component A moving window is ... superior in short exon detection to the existing signal processing -based techniques Further increase in detection accuracy is possible if we combine the proposed method with supervised machine learning...
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Mining non contiguous mutation chain in biological sequences based on 3d structure

Mining non contiguous mutation chain in biological sequences based on 3d structure

... 3: ChainMiner ptMutationChain-Miner Figure 4.1: The mutation chains mining framework Figure 4.1 shows the proposed framework for mining non- contiguous mutation chains Given the virus protein ... viruses in Table 1.1 19 Examples of mutation chains The mutation chain in (a) is a sub mutation chain of the mutation chain in (b) 23 4.1 4.2 4.3 4.4 The mutation chains mining framework ... CONTENTS Mining Non- Contiguous Mutation Chains 25 4.1 Mining k point mutations 26 4.2 Mining the mutation Chain 34 Performance Study 38 5.1 Experiments on...
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Báo cáo hóa học:

Báo cáo hóa học: " Research Article Object Tracking in Crowded Video Scenes Based on the Undecimated Wavelet Features and Texture Analysis" pptx

... in Figure 3(c) 3.3 The temporal tracking The aim of temporal tracking is to locate the object of interest in the successive frames based on the information about the object at the reference and ... state-of -the- art object tracking under occlusion can also be found in [19] In recent years, feature -based techniques in the wavelet domain have gained more attention in object tracking [20– 23] In [20], an object ... the fact that the object of interest and the occluding object both move at the same direction Since the algorithm uses activity analysis to find the motion and direction of the search window and...
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Báo cáo hóa học:

Báo cáo hóa học: " Research Article Active Video Surveillance Based on Stereo and Infrared Imaging" doc

... networks and active contour models,” Neurocomputing, vol 43, pp 145–172, 2002 [5] J B Kim and H J Kim, “Efficient region -based motion segmentation for a video monitoring system,” Pattern Recognition ... Example of an identified and segmented person during video surveillance on a gate CONCLUSION A methodology has been proposed for detection and tracking of moving people in real-time video sequences acquired ... IEEE International Workshop on Object Tracking and Classification in and Beyond the Visible Spectrum, San Diego, Calif, USA, June 2005 B Bhanu and X Zou, “Moving humans detection based on multi-modal...
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Báo cáo hóa học:

Báo cáo hóa học: " Research Article Video Summarization Based on Camera Motion and a Subjective Evaluation Method" potx

... this paper, we propose a new method of video summary based on camera motions (translation and zoom) or on static camera We think that camera motion carries important information on video content ... static/dynamic separation Stage 3: temporal integration of zoom/translation Phase 3: camera motion description Camera motion classification and description Figure 1: System architecture for camera motion ... translation Frames Translation Zoom Static Shot Frames Static Translation Static (a) Frames Frames Frames Translation Translation Static Zoom 1st iteration Translation Static Frames (b) 2nd iteration...
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Báo cáo hóa học:

Báo cáo hóa học: " Source and Channel Adaptive Rate Control for Multicast Layered Video Transmission Based on a Clustering " pdf

... Related work in this area focuses on error, rate, and congestion control in multicast for multimedia applications Layered coding is often proposed as a solution for rate control in video multicast ... hierarchical flows such as H.263+ or MPEG-4 A source adaptive multilayered multicast (SAMM) algorithm based on feedback packets containing information on the estimated bandwidth (EB) available on ... this layered multicast transmission system In the sequel, these approaches are, respectively, called goodput -based source adaptive rate control (GB-SARC) and TCP-friendly source adaptive rate control...
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Prevalence of severe mental distress and its correlates in a population-based study in rural south-west Uganda doc

Prevalence of severe mental distress and its correlates in a population-based study in rural south-west Uganda doc

... serostatus was 4.8% in males and 6.9% in females The prevalence of probable diabetes was 0.4% in both males and females, and of probable hyperglycaemia was 3.0% in males and 2.8% in females Of the ... smoking for males and females Missing data on age at first sex for male and females Missing data on partners in past year for males and females Missing data on consulting a traditional healer ... prevalence and socio-demographic correlates of mental distress in Addis Ababa, Ethiopia Acta Psychiatr Scand 1999, 397:5-10 Kinyanda E: Mental health chapter In The Support to the Health Sector Strategic...
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be to and have to  + lexical verbs and their modal meanings from functional and cognitive perspectives (a case study based on lifelines textbooks used in hanoi pedagogical university no 2

be to and have to + lexical verbs and their modal meanings from functional and cognitive perspectives (a case study based on lifelines textbooks used in hanoi pedagogical university no 2

... to have was to 10 was to have 56 Exercise 2: will … have to had to don‟t have to don‟t have to- don‟t have to has to have to have to have to don‟t have to 10 don‟t have to Exercise 3: have to ... containing be to and have to + verb 32 2.3.1 Structures containing be to + verb 32 2.3.1.1 Be due to + verb 32 2.3.1 .2 Be about to+ verb‟ and be on the point ... 21 CHAPTER 2: INVESTIGATION 22 2. 1 Features of modal meanings expressed by be to and have to 22 2. 1.1 Conventional meanings of be to 22 2. 1 .2 Conventional meanings...
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be to and have to  + lexical verbs and their modal meanings from functional and cognitive perspectives (a case study based on lifelines textbooks used in hanoi pedagogical university no 2 tt

be to and have to + lexical verbs and their modal meanings from functional and cognitive perspectives (a case study based on lifelines textbooks used in hanoi pedagogical university no 2 tt

... 21 CHAPTER 2: INVESTIGATION 22 2. 1 Features of modal meanings expressed by be to and have to 22 2. 1.1 Conventional meanings of be to 22 2. 1 .2 Conventional meanings ... containing be to and have to + verb 32 2.3.1 Structures containing be to + verb 32 2.3.1.1 Be due to + verb 32 2.3.1 .2 Be about to+ verb‟ and be on the point ... THEIR MODAL MEANINGS FROM FUNCTIONAL AND COGNITIVE PERSPECTIVES (A CASE STUDY BASED ON LIFELINES TEXTBOOKS USED IN HANOI PEDAGOGICAL UNIVERSITY NO 2) CẤU TRÚ C BE TO VÀ HAVE TO + ĐỘNG...
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Atomistic modeling of energetics and dynamics of diffusive and frictional phenomena in c60 graphene based systems

Atomistic modeling of energetics and dynamics of diffusive and frictional phenomena in c60 graphene based systems

... barriers into account, to predict the diffusion coefficient as a function of temperature and hydrogen coverage Our findings provide insights into the understanding of the diffusive and frictional phenomena ... regimes of surface diffusion in C60/ graphene system according to the effect of temperature and rotational degrees of freedom (DOFs) of the admolecule In the case of rotational C60 (the set of arrows ... dependence of kinetic nanofriction We use the Einstein’s theory of Brownian motion to analyze the surface diffusion of the C60 admolecule on graphene, and show that the decrease of kinetic nanofriction...
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Efficient video identification based on locality sensitive hashing and triangle inequality

Efficient video identification based on locality sensitive hashing and triangle inequality

... compression bit-rate Keywords: video identification video search video hashing locality sensitive hashing EFFICIENT VIDEO IDENTIFICATION BASED ON LOCALITY SENSITIVE HASHING AND TRIANGLE INEQUALITY ... Title: Efficient Video Identification Based on Locality Sensitive Hashing and Triangle Inequality Abstract Searching for duplicated version video clips in large video database, or video identification, ... International Conference on Very Large Data Bases, pp.518-529, Sep 1999, Edinburgh, Scotland”) 25 Chapter Efficient Video Identification Based on Locality Sensitive Hashing and Triangle Inequality...
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