Zobrazeno 1 - 10
of 438
pro vyhledávání: '"I Golub"'
Autor:
Yu. I. Golub, V. V. Starovoitov
Publikováno v:
Sistemnyj Analiz i Prikladnaâ Informatika, Vol 0, Iss 1, Pp 4-11 (2024)
The problem of calculating a quantitative quality assessment of digital images of metal object fractures recorded by a camera or a digital microscope is considered. Quality assessment is performed when the reference images are absent. The paper prese
Externí odkaz:
https://doaj.org/article/a9496bdebf3e4939b62a20e5850c205d
Autor:
V. V. Starovoitov, Nguyen Nhu Son, Yu. I. Golub, M. M. Lukashevich, Nguyen Long Giang, Hoang Thi Minh Chau, Le Hoang Son
Publikováno v:
IEEE Access, Vol 12, Pp 77092-77103 (2024)
One of the first steps in the retinal image preprocessing is cropping the Field of View (FOV) area and scaling it into a template of a predefined size. Fundus cameras of different producers record digital images of the retina of various sizes, and th
Externí odkaz:
https://doaj.org/article/41aed2d2c16a497bb7b28df2e06f746f
Autor:
M. M. Lukashevich, Y. I. Golub
Publikováno v:
Sistemnyj Analiz i Prikladnaâ Informatika, Vol 0, Iss 3, Pp 12-21 (2022)
Diabetic retinopathy is one of the main side effects of diabetes, which causes severe effects, including blindness. The main challenge is the early diagnosis of this disease for timely and effective treatment. Diabetic retinopathy can be detected muc
Externí odkaz:
https://doaj.org/article/16c431567d6944f6865979c67f62e4ae
Autor:
Y. I. Golub
Publikováno v:
Sistemnyj Analiz i Prikladnaâ Informatika, Vol 0, Iss 2, Pp 10-19 (2022)
When processing digital images obtained by remote sensing of the Earth, various methods are used to increase their resolution. However, in this case, some distortions of a different nature may appear on the images. For example, luminance distortion (
Externí odkaz:
https://doaj.org/article/917e5ad291334e20a26bd179002ce718
Publikováno v:
Sistemnyj Analiz i Prikladnaâ Informatika, Vol 0, Iss 4, Pp 25-38 (2022)
Diabetic retinopathy (DR) is a disease caused by complications of diabetes. It starts asymptomatically and can end in blindness. To detect it, doctors use special fundus cameras that allow them to register images of the retina in the visible range of
Externí odkaz:
https://doaj.org/article/04d132d686234d5f8d83c3e9d09a8f21
Autor:
Y. I. Golub
Publikováno v:
Sistemnyj Analiz i Prikladnaâ Informatika, Vol 0, Iss 4, Pp 4-15 (2022)
Quality assessment is an integral stage in the processing and analysis of digital images in various automated systems. With the increase in the number and variety of devices that allow receiving data in various digital formats, as well as the expansi
Externí odkaz:
https://doaj.org/article/0eec4915ebbb490c8827d33716ecbdf8
Autor:
V. V. Starovoitov, Yu. I. Golub
Publikováno v:
Informatika, Vol 18, Iss 3, Pp 83-96 (2021)
In machine learning, the input data is often given in different dimensions. As a result of the scientific papers review, it is shown that the initial data described in different types of scales and units of measurement should be converted into a sing
Externí odkaz:
https://doaj.org/article/0f7da5371aa14a469fa1e29590b07205
Autor:
Y. I. Golub, F. V. Starovoitov
Publikováno v:
Sistemnyj Analiz i Prikladnaâ Informatika, Vol 0, Iss 2, Pp 4-13 (2021)
The goal of the studies described in the paper is to find a quantitative assessment that maximally correlates with the subjective assessment of the contrast image quality in the absence of reference image. As a result of the literature analysis, 16 f
Externí odkaz:
https://doaj.org/article/6937111cf9ae49c8811e77b12b72b219
Autor:
V. V. Starovoitov, Yu. I. Golub
Publikováno v:
Informatika, Vol 18, Iss 1, Pp 61-71 (2021)
When applying classifiers in real applications, the data imbalance often occurs when the number of elements of one class is greater than another. The article examines the estimates of the classification results for this type of data. The paper provid
Externí odkaz:
https://doaj.org/article/4ec8375139694ee3a7048a98b60d6b50
Publikováno v:
Sistemnyj Analiz i Prikladnaâ Informatika, Vol 0, Iss 3, Pp 22-27 (2020)
In this paper, the influence of various types of distortion of an image on its quality while reducing its sizes, is investigated. To assess the image quality, it is proposed to use the method of comparison with the standard using a previously develop
Externí odkaz:
https://doaj.org/article/483c87b67883425aac35528726a17b3f