live microscopy of neural stem cell migration in brain slices

... applications of blind signal processing: (a) A multi-recording monitoring system for blind enhancement of sources, cancellation of noise, elimination of artifacts and detection of evoked potentials, ... identification of a mixing matrix H or its pseudo-inverse separating matrix W = H+ assuming only the statistical independence of the primary sources and linear independence of columns of H The mixing (ICA) ... corrupted by huge noise and interferences, for example, by using non-invasive recordings of human brain activities, (e.g., by using EEG or MEG) in order to understand the brain ability to sense, recognize,...

Ngày tải lên: 10/12/2013, 14:15

... and n produces a binary rank operation of the binary input data (inside the moving window) For example, if r = (n+1)/2, we obtain the binary median filter whose Signals of a continuous variable ... (dashed line) and flat dilation f ⊕ B (solid line) (e) Opening f ◦ g (dashed line) and flat opening f ◦ B (solid line) (f) Closing f • g (dashed line) and flat closing f • B (solid line) The nonlinearity ... translation-invariant We call it a DTI system in analogy to linear time-invariant (LTI) systems that are shift-invariant and obey a linear (sum -of- products) superposition As an LTI system corresponds in...

Ngày tải lên: 16/12/2013, 04:15

... Annotation Proceedings of HLT-NAACL 17-18 P.V Ogren 2006 Knowtator: a plug -in for creating training and evaluation data sets for biomedical natural language systems Proceedings of the 9th International ... main window opens a Corpus Search interface, which allows users to retrieve lists of segments matching a query Queries can involve multiple layers, for instance, subject in passive-clause in ... structural tagging, including co-reference linking, rhetorical structuring and syntactic structuring The use of the tool is rapidly spreading: in the first 15 months of availability, the tool has been...

Ngày tải lên: 20/02/2014, 09:20

... consists of combining information originating from several sources in order to improve decision making In the field of signal processing, the goal of information fusion is to obtain a system to ... on other forms of representing information in order to increase the model’s reliability by considering information of smaller meaning, or by adding mechanisms for sorting, windowing, etc., to ... www.it-ebooks.info 18 Information Fusion Incompleteness Incompleteness characterizes the absence of information given by the source on certain aspects of the problem Incompleteness of the information originating...

Ngày tải lên: 07/03/2014, 04:20

... the available information At the beginning of bootstrapping, our system (init) scores 75%, but this improves to 79% after five iterations of reestimation (system) Most learning occurs in the first ... segmentation: Exploring the effects of context In In 46th Annual Meeting of the ACL, pages 398–406 Aria Haghighi and Dan Klein 2006 Prototype-driven learning for sequence models In Proceedings of the Human ... rather than several as in modified KN Input: vocabulary of surface forms u Input: C(u): candidate intended forms of u Output: intend(u): intended form of u foreach u ∈ vocab // initialization v ∗...

Ngày tải lên: 16/03/2014, 19:20

... anaphoric chain parameter is used in selecting training examples When this parameter is on, we select a set of positive training examples and a set of negative training examples for each anaphor in a ... Texts In Proceedings of 31st Annual Meeting of the ACL Chinatsu Aone, Sharon Flank, Paul Krause, and Doug McKee 1993 SRA: Description of the SOLOMON System as Used for MUC-5 In Proceedings of Fourth ... Understanding Conference (MUC-5) Chinatsu Aone 1994 Customizing and Evaluating a Multilingual Discourse Module In Proceedings of the 15th International Conference on Computational Linguistics (COLING)...

Ngày tải lên: 23/03/2014, 20:21

... recombined to give X : h using one of the CCG combinators in Section 2.2 The CCG category splitting procedure has two parts: logical splitting of the category semantics h; and syntactic splitting of ... Zettlemoyer, L S and Collins, M (2007) Online learning of relaxed CCG grammars for parsing to logical form In Proc of the Joint Conference on Empirical Methods in Natural Language Processing and Computational ... Learning Zettlemoyer, L S and Collins, M (2009) Learning context-dependent mappings from sentences to logical form In Proceedings of The Joint Conference of the Association for Computational Linguistics...

Ngày tải lên: 31/03/2014, 20:20

... published in France by Hermốs Science Publications in 2001 First published in Great Britain and the United States in 2006 by ISTE Ltd Translated by Antoine Hervier Apart from any fair dealing for ... the prior permission in writing of the publishers, or in the case of reprographic reproduction in accordance with the terms and licenses issued by the CLA Enquiries concerning reproduction outside ... Digital Signal and Image Processing using MATLABđ This page intentionally left blank Digital Signal and Image Processing using MATLABđ Gộrard Blanchet Maurice Charbit Part of this book adapted from...

Ngày tải lên: 08/04/2014, 10:06

... basic image processing techniques, where image points are mapped into a new value first by considering a single point in an original image, and then by considering groups of points Not only we ... computers offer the capability for a basic vision system, by including a camera and its interface within the system There are specialised systems for vision, offering high performance in more than ... set of pulses of uniform height) we obtain a set of pulses in the frequency domain, but spaced by the reciprocal of the time domain spacing This transform pair is actually the basis of sampling...

Ngày tải lên: 18/04/2014, 12:28

... input is the samples of a function or an image, we can exploit the relation of the adjacent scale coefficients to obtain all of the scaling and wavelet coefficients without defining the scaling ... the original data with less bits, the original data is said to have coding redundancy • We can obtain the probable information from the histogram of the original image • Variable-length coding: ... Transform Coding(1) Most of the information is included among a small number of the transformed coefficients Thus, we truncate or coarsely quantize the coefficients including little information...

Ngày tải lên: 08/05/2014, 18:42

... measured in ohms Individual Gain per Channel A system allowing an individual gain level for each input channel, thereby allowing a much wider range of input levels and types without sacrificing accuracy ... are only interpreted as text characters Thresholding The process of defining a specific intensity level for determining which of two values will be assigned to each pixel in binary processing If ... represented in a variable and continuous waveform Analog Input Board Printed Circuit Board which converts incoming analog signals to digital values A mode of addressing containing both the instruction...

Ngày tải lên: 15/05/2014, 11:03

... paper Springer is part of Springer Science+Business Media (www.springer.com) Foreword Wikipedia states that “Signal processing is an area of electrical engineering, systems engineering and applied ... Department of Medicine, Division of Cardiology, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA Karin Dill Department of Cardiovascular Imaging, Feinberg School of Medicine, ... process of obtaining data points from an analog signal at defined intervals The frequency of the sampling is known as the sampling rate ›› Quantization – The process of assigning sampled data points...

Ngày tải lên: 05/06/2014, 11:46

... determine the class of inputs for which we can determine the output of the system in terms of s(n,, n,) For each input in the class, express the output in terms of s(n,, n,) (a) T is linear, ... constants, and A in (1.12) is called the principle of superposition To illustrate this concept, a linear system and a nonlinear system are shown in Figure 1.12 The linearity of the system in Figure ... This definition of a system is very broad Without any restrictions, characterizing a system requires a complete input-output relationship Knowing the output of a system to one set of inputs does...

Ngày tải lên: 05/06/2014, 11:48

... matching ground-points The matching is performed repeatedly in Eq.2 in order to obtain the optimal registration shown in Fig 2g The existence of localclusters of points, instead of isolated points, ... allows selecting ground points, that can be registered and then used for building mosaics of cluttered ground planes The input of the mosaicking process consists mainly of many points forming local ... transform of the ground points seen in (c) (g) correct superposition of all ground points after registration (h) comparison of the cost functionals by perturbing δθ about the minimizing point: registration...

Ngày tải lên: 05/06/2014, 11:50

Ngày tải lên: 05/06/2014, 11:52

... within a small time window (typically in the order of nanoseconds) is called a coincidence detection indicating the origin of annihilation along the line joining the two detectors involved in coincidence ... Assistant Professor and Deputy Director of Informatics Department of Radiology, Keck School of Medicine Department of Biomedical Engineering Viterbi School of Engineering University of Southern ... DSc Professor and Director, Imaging Informatics Division Department of Radiology, Keck School of Medicine Department of Biomedical Engineering Viterbi School of Engineering University of Southern...

Ngày tải lên: 05/06/2014, 11:52

... window of size 151 centered at 600 results in an expandable W-H system A window of size 201 results in point (20,10) being a zero singular value in Zak transform space Complexity In the case of ... of the linear span of g is N - J where J is the number of points in ( Proof: If / is in the linear span of g, then we can write / = Xlr^To fr where fr is in the linear span of g^ Theorem implies ... number of points in ( Proof: By the second fundamental result we can identify the linear span of {g, M, K) with the space of all F of the form F =^ GP with P € L{M, K) In particular, if / is in the...

Ngày tải lên: 05/06/2014, 11:56

... used for image inpainting Synthetic inpainting example Restoration of an old photograph Regions to be inpainted Removing text from an image∗ Progression of image inpainting∗ Removal of objects from ... shape-preserving local contrast enhancement∗ Interpolation via PDEs Normal propagation direction for image inpainting Unsuccessful choice of the information propagation direction in image inpainting Color ... 4.8 4.9 4.10 List of Figures Construction of and Detection of two linked tori Detection of a tumor in MRI Detection of a heart Detecting a head with minimal surfaces Example of the color snakes∗...

Ngày tải lên: 05/06/2014, 11:58

... consists of a 2D array of cells as seen in Fig 2.13 Each of these cells is denoted a pixel and is capable of measuring the amount of incident light and convert that into a voltage, which in turn ... be detected by image processing A practical example of using infrared illumination is given in Chap 12 2.2 The Optical System After having illuminated the object of interest, the light reflected ... 2D array of pixels (corresponding to the 2D array of cells in Fig 2.13) each having a number between and 255 In this text the coordinate system of the image is defined as illustrated in Fig 2.19...

Ngày tải lên: 05/06/2014, 12:02