This paper studies recognition of fish shapes using both Region based and Contour based shape based descriptors[9]. Moment Invariants are chosen as the Region based descriptor and the Simple (geometric) shape descriptors (SSD) are used as Contour based shape descriptors. The shapes are varied through scaling and rotation. Manhattan Distance is used as the classifier. The study of the recognitio...

INTRODUCTION Evidence suggests the current verbal risk descriptors used to communicate side effect risk in patient information leaflets (PILs) are overestimated. OBJECTIVES The aim was to establish how people understand the verbal risk descriptors recommended for use in PILs by the European Commission (EC), and alternative verbal risk descriptors, in the context of mild and severe side effect...

BACKGROUND QSAR is among the most extensively used computational methodology for analogue-based design. The application of various descriptor classes like quantum chemical, molecular mechanics, conceptual density functional theory (DFT)- and docking-based descriptors for predicting anti-cancer activity is well known. Although in vitro assay for anti-cancer activity is available against many dif...

As an alternative to the QikProp model, which is based on the commercial Schrödinger software, an additional regression model was derived. This model is based solely on descriptors of the open-source descriptor calculation package PaDEL-Descriptor (Yap, 2011). Since PaDEL provides descriptors in an overwhelming quantity (863 descriptors), a first approach of selecting a feasible combination of ...

Table ESI1 List of top 20 molecular descriptors and the corresponding regression coefficient (RC) associated with promoting (positive RC) or preventing (negative RC) a particular defect for PLS models describing the total number of defects. Descriptors prefixed with ‘∆’ relate to the difference in the molecular descriptor of the monomer components, whereas non-prefixed descriptors relate to the...

We propose in this paper a new matching and indexing method of shapes. Models of objects silhouettes are stored in the database using their textual descriptors. As we will see, XLWDOS descriptors are sensitive to noise. We propose a “reduction technique” to process noisy shapes and match corresponding XLWDOS descriptors using only “textual transformations”. The matching algorithm we propose is ...

QUESTIONS Are volunteered and endorsed descriptors of recalled breathlessness consistent with descriptors of exercise-induced breathlessness? Are volunteered and endorsed descriptors of exercise-induced breathlessness consistent? DESIGN Within-participant, repeated measures, experimental study. PARTICIPANTS 57 people with symptomatic chronic respiratory disease aged 71 years. INTERVENTION...

In this work we have investigated the use of color descriptors to automatically locate the color target in the scene. Three different local descriptors have been tested. These descriptors are then used to return multiple localization hypotheses and a geometrical and appearance validation are introduced to select the most feasible pose. The experimental results on a public dataset of RAW images ...

We present a method to measure the relative importance of the descriptors present in a QSAR model developed with a computational neural network (CNN). The approach is based on a sensitivity analysis of the descriptors. We tested the method on three published data sets for which linear and CNN models were previously built. The original work reported interpretations for the linear models, and we ...

Phenolic Schiff bases are known as powerful antioxidants. To select the electronic, 2D and 3D descriptors responsible for the free radical scavenging ability of a series of 30 phenolic Schiff bases, a set of molecular descriptors were calculated by using B3P86 (Becke's three parameter hybrid functional with Perdew 86 correlation functional) combined with 6-31 + G(d,p) basis set (i.e., at the B3...