Pattern Recognition and Image Analysis

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On Nonlinear Transformations of Features Based on the Functions of Objects Belonging to Classes
Pattern Recognition and Image Analysis - Tập 31 - Trang 197-204 - 2021
N. A. Ignatiev
The problem of choosing an attribute space for solving classification problems is considered. When choosing a space, nonlinear transformations of the values of both individual features and their combinations are used. The fuzziness of dividing objects into classes according to the values of individual features is investigated using membership functions. The generality of the procedure for calculat...... hiện toàn bộ
Investigation of time, amplitude, and frequency parameters of a direct fetal ECG signal during labor and delivery
Pattern Recognition and Image Analysis - Tập 16 Số 1 - Trang 74-76 - 2006
R. A. Shepovalnikov, A. P. Nemirko, А. Н. Калиниченко, В. В. Абрамченко
Photobook generation algorithms
Pattern Recognition and Image Analysis - Tập 21 - Trang 477-480 - 2011
M. A. Egorova, I. V. Safonov
Photobooks are comfortable and attractive solution for personal photo printing and storing. Photobook generation requires a lot of manual operations and takes a lot of time. Automation process will involve new users and allow making more photobooks. The algorithms should be quite fast, adjusted by user’s predilections and habits and ensure satisfied quality of work. We propose several adaptive pho...... hiện toàn bộ
An Analog of the Electronic Digital Signature Based on Codes Defining Images with Accuracy up to Affine Transforms
Pattern Recognition and Image Analysis - Tập 33 - Trang 203-207 - 2023
V. N. Kozlov
The first and long-standing option to protect a document from forgery (it is still used today) is the so-called “live” signature (or facsimile) and a clerical seal. However, nowadays the document flow is mostly electronic and often with a very large number of documents (electronic trading, bank payment systems, transactions in cryptocurrencies, etc.). The digital signature that emerged about thirt...... hiện toàn bộ
New algorithms for verifying the consistency between satellite images and survey conditions
Pattern Recognition and Image Analysis - Tập 26 - Trang 593-596 - 2016
A. V. Kuznetsov, V. V. Myasnikov
This paper is concerned with the problem of verifying the consistency of the Earth remote sensing data, including digital optical images and survey parameters metadata. The solution of the problem is based on analysis of specific numerical characteristics of the image that depend directly on the survey parameters, such as position of the Sun, position of the spacecraft, and orientation of the reco...... hiện toàn bộ
Software for digital filmless roentgenography
Pattern Recognition and Image Analysis - Tập 16 - Trang 23-25 - 2006
M. M. Olshevetz, M. N. Ustinin, I. A. Nikonov
At the Pushchino biology research center, Russian Academy of Sciences, a system for digital filmless roentgenography was developed. The system includes a computer program for obtaining, viewing, processing, storing, and printing digital X-ray images. The system has been working at a rural hospital in the Moscow region for several years.
Properties of the solution of L2-Support Vector Machine as a function of regularization parameter
Pattern Recognition and Image Analysis - Tập 22 - Trang 121-130 - 2012
L. Doktorski
The goal of this paper is to study some mathematical properties of so-called L2 Soft Margin Support Vector Machines (L2-SVMs) for data classification. Their dual formulations build a family of quadratic programming problems depending on one regularization parameter. The dependence of the solution on this parameter is examined. Such properties as continuity, differentiability, monotony, convexity a...... hiện toàn bộ
Removal of achromatic reflections from a single color image
Pattern Recognition and Image Analysis - Tập 27 - Trang 675-685 - 2017
L. Bedini, P. Savino, A. Tonazzini
In this paper we consider the problem of removing achromatic reflections from a picture of a scene taken through a semi-transparent medium, assuming that the reflection pattern is due to a light source or another object located in front of the object of interest. While other works assume the availability of multiple observations, we consider the more challenging problem of having as data a single ...... hiện toàn bộ
Minimum description length principle in the field of image analysis and pattern recognition
Pattern Recognition and Image Analysis - Tập 21 - Trang 156-159 - 2011
A. S. Potapov
Problems of decision criterion in the tasks of image analysis and pattern recognition are considered. Overlearning as a practical consequence of fundamental paradoxes in inductive inference is illustrated with examples. Theoretical (on the base of algorithmic complexity) and practical formulations of the minimum description length (MDL) principle are given. Decrease of the overlearning effect is s...... hiện toàn bộ
An Algorithm for Reselecting a Reference Objects
Pattern Recognition and Image Analysis - Tập 28 - Trang 684-687 - 2018
N. N. Bondarenko
The problem of optimally choosing a learning object is studied. The definition of essential totality of precedents is given. It is shown that an iterative procedure for generating the essential totality of precedents exists. The algorithm operation is checked on model data.
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