Results 31 to 40 of about 20,905 (259)

Optimal ligand descriptor for pocket recognition based on the Beta-shape.

open access: yesPLoS ONE, 2015
Structure-based virtual screening is one of the most important and common computational methods for the identification of predicted hit at the beginning of drug discovery.
Jae-Kwan Kim   +4 more
doaj   +1 more source

Microfilariae Classification Using Multiple Classifiers for Color and Shape Features

open access: yesOpen Engineering, 2016
This paper presents a multi-classifier approach for classifying microfilariae in 2-D images. A shape descriptor based on the quench function is described. This descriptor is represented as a feature vector that encodes the shape information.
AL-Tam Faroq   +4 more
doaj   +1 more source

On the alignment of shapes represented by Fourier descriptors [PDF]

open access: yesSPIE Proceedings, 2006
ABSTRACT The representation of shapes by Fourier descriptors is a time-honored technique that has received relatively littleattention lately. Nevertheless, it has its bene“ts and is suitable for describing a range of medical structures intwo dimensions.
Sjöstrand, Karl   +2 more
openaire   +2 more sources

From 2D to 3D: Component Description for Partial Matching of Point Clouds

open access: yesIEEE Access, 2019
We present a method to compute the descriptor of components of point clouds, therefore, a novel component-oriented partial matching of point clouds is achieved based on the component descriptor.
Yuhe Zhang   +5 more
doaj   +1 more source

Stability Analysis of Kinetic Orientation-Based Shape Descriptors

open access: yesComputing in Geometry and Topology
We study three orientation-based shape descriptors on a set of continuously moving points: the first principal component, the smallest oriented bounding box and the thinnest strip. Each of these shape descriptors essentially defines a cost capturing the
Wouter Meulemans   +2 more
doaj   +1 more source

SHAPE DESCRIPTOR FOR OBJECT CLASSIFICATION

open access: yesInternational Journal of Computing, 2019
In this article we propose an efficient modification of a previously published shape descriptor, which is fast and simple to compute. Proposed descriptor was developed for object classification and should be used with classifiers: SVM, KNN, etc. Object classification is a common task of computer vision, which has many applications in different areas ...
Oleksandr Koriukalov, Vasyl Tereshchenko
openaire   +2 more sources

Health‐Related Social Needs in Children With Sickle Cell Disease Are Associated With Worse Health‐Related Quality of Life

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Background Children with sickle cell disease (SCD) face multiple acute and chronic medical complications that may impact their quality of life as reported by patients themselves. Health‐related social needs (HRSNs), such as food and housing insecurity, are common in people with SCD, but the association between HRSNs and patient‐reported ...
Sarah J. Marks   +5 more
wiley   +1 more source

Set of bilateral and radial symmetry shape descriptor based on contour information

open access: yesIET Computer Vision, 2017
Form and shape descriptors are among the most useful features for object identification and recognition. Even though there exists a widely used set of shape descriptors and underlying computational methods for their evaluation, frequently they fail to ...
Natalia V. Revollo   +2 more
doaj   +1 more source

Cup‐Like Nuclei Is a Hallmark of DUX4/ERG Acute Lymphoblastic Leukemia and Reveals Cytoplasmic Mitochondria Accumulation

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Cup‐like nuclei are a distinctive morphological feature observed in certain cases of acute lymphoblastic leukemia (ALL). We provide evidence that they characterize DUX4/ERG ALL independently of IKZF1 deletion and reveal marked mitochondrial accumulation in this ALL subset.
Chloé Arfeuille   +9 more
wiley   +1 more source

AFSMWD: A Descriptor Flexibly Encoding Multiscale and Oriented Shape Features

open access: yesMathematics
Shape descriptors are extensively used in shape analysis tasks such as shape correspondence, segmentation and retrieval, just to name a few. Their performances significantly determine the efficiency and effectiveness of subsequent applications.
Ling Hu   +4 more
doaj   +1 more source

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