scholarly journals Brightness and image definition of pictures viewed from between the legs

2010 ◽  
Vol 73 (1) ◽  
pp. 144-159 ◽  
Author(s):  
Atsuki Higashiyama ◽  
Miyuki Toga
Keyword(s):  
Definition Of ◽  
Image Definition

scholarly journals Compreensão do conceito de taxa de variação por professores em formação continuada

2018 ◽  
Vol 2 (1) ◽  
pp. 27
Author(s):  
Vanilde Bisognin ◽  
Eleni Bisognin
Keyword(s):  
Teacher Training ◽  
Mathematics Teaching ◽  
Concept Image ◽  
Integral Calculus ◽  
Continuous Formation ◽  
Variation Rate ◽  
Training Concept ◽  
Intuitive Idea ◽  
Definition Of ◽  
Image Definition

Resumo: Neste trabalho, são apresentados resultados de uma pesquisa que tem como objetivo analisar como professores em formação continuada, participantes da disciplina de Fundamentos de Cálculo Diferencial de um curso de Mestrado em Ensino de Matemática, interpretam e relacionam as informações explicitadas pelas diferentes representações do conceito de taxa de variação. Para tanto foi aplicada uma sequência de atividades sobre as diferentes representações do conceito de taxa de variação e as respostas das questões foram analisadas e categorizadas. Os resultados apontam que, apesar de terem trabalhado o conceito de taxa de variação em seus cursos de licenciatura em Matemática, alguns professores ainda apresentam dificuldades para compreender esse conceito e relacionar suas diferentes representações. Pela análise dos dados, considera-se que as atividades propostas proporcionaram a evolução da ideia intuitiva de taxa de variação e favoreceram a compreensão desse conceito pelos participantes da pesquisa.Palavras-chave: Taxa de variação; Formação de professores; Imagem de conceito; Definição de conceito. Comprehension of the variation rate concept by teachers in continued trainingAbstract: In this work, results of a research are presented that aim to analyze how teachers in continuous formation, participants in the discipline of Fundamentals of Differential and Integral Calculus of a Master course in Mathematics Teaching, interpret and relate the information explained by the different representations of the concept of rate of variation. For this, a sequence of activities was applied on the different representations of the concept of rate of variation and the answers of the questions were analyzed and categorized. The results show that, although they have worked on the concept of rate of variation in their undergraduate courses in Mathematics, some teachers still find it difficult to understand this concept and to relate their different representations. By analyzing the data, it is considered that the proposed activities provided the evolution of the intuitive idea of rate of variation and favored the understanding of this concept by the research participants.Keywords: Rate of variation; Teacher training; Concept image; Definition of concept. 

scholarly journals Pattern of the literary work (based on the “formula” of the literary work of S. I. Sukhikh)

2021 ◽  
pp. 61-72
Author(s):  
Elena Petrovna Shal'nova
Keyword(s):  
Literary Work ◽  
The Other ◽  
Distinctive Features ◽  
The Subject ◽  
Definition Of ◽  
Artistic Image ◽  
Creating Meaning ◽  
External Form ◽  
Theory Of Literature ◽  
Image Definition

The subject of this research is the structure of the literary work. The goal consists in the establishment of correlation between the parts of the literary work, expressed in the research of S. I. Sukhikh “The Theoretical Poetics of A. A. Potebnja”. The author meticulously examines such aspects of the theory of literary work of A. A. Potebnja as the interrelation between the external form, internal form, artistic image, and content of the literary work, as well as outlines the structure of the literary work. The article describes the parts of the literary work (external form, internal form, artistic image, content). The article offers the patter of the literary work, distinguishing the parts and interrelation between them. The author formulates the definitions of external form, internal form, artistic image, and content of the literary work; reveals the characteristics and distinctive features of each part of the literary work. This led to the formation of representation of the literary work as a structure, where each of the parts expresses its own meaning, and serves as a means of creating the meaning for the other part. The result this research consists in the creation of the pattern of literary work that gives an idea on the structure of the literary work. The acquired materials can be used in studying the general concepts of the theory of literature: the form, content, artistic image, definition of artistic merit of the literary work. The offered pattern of the literary work cab be also applied to the analysis of the literary work. The scientific novelty of this study lies in the formation of representation of the literary work as a structure, where each part expresses its own meaning and serves as a means of creating meaning for the other part, as well as in creation of the pattern that conveys this idea.

scholarly journals Influencia de internet versus medios tradicionales sobre la imagen de marca ciudad

2019 ◽  
Vol 25 (2) ◽  
pp. 12-25
Author(s):  
José Antonio Folgado-Fernández ◽  
Paulo Alexandre Duarte ◽  
José Manuel Hernández-Mogollón
Keyword(s):  
Web Pages ◽  
Definition Of ◽  
The City ◽  
Image Definition

La relevancia de las fuentes de información de internet en el proceso de formación de la imagen es cada vez más reconocida en la literatura. El propósito de esta investigación es analizar la influencia que tiene este medio sobre la imagen de marca ciudad, en comparación con las fuentes de comunicación tradicionales como televisión, prensa, folletos o ferias turísticas. El estudio se contextualiza en el caso de la ciudad española de Plasencia por medio de un análisis metodológico de ecuaciones estructurales (SEM), basado en una encuesta personal con apoyo en un cuestionario estructurado realizado a 471 turistas. Los resultados muestran una contribución desigual de los dos tipos de fuentes de información sobre la imagen del destino, donde la capacidad de los medios tradicionales para predecir la imagen del destino es mayor. Thus, among the conclusions reached, highlights the low contribution that institutional web pages have on the image definition of the city, as opposed to a greater role played by the recommendations of family and friends. En conclusión, estos resultados refuerzan la perspectiva de que la comunicación institucional puede ser importante, pero no es determinante para la imagen de la ciudad.

Effects of Different Kinds of Embedding Media on the Image Definition of Animal Fibers using Differential Interference Contrast Light Microscopy

2011 ◽  
Vol 332-334 ◽  
pp. 49-55
Author(s):  
Bai Hua Wang ◽  
Xiang Guo ◽  
Zhi Yu Hu ◽  
Li Ping Kong ◽  
Bao Guo Zhang
Keyword(s):  
Monomethyl Ether ◽  
Paraffin Wax ◽  
Differential Interference Contrast ◽  
Ethylene Glycol Monomethyl Ether ◽  
Glycol Monomethyl Ether ◽  
Topographical Feature ◽  
Embedding Medium ◽  
Definition Of ◽  
Feature Scale ◽  
Image Definition

In this study, the image definition of animal fibers captured by Axioskop 2 MOT PLUS differential interference contrast (DIC) light microscope using 1-bromonaphthalene, diethylene glycol, n-decyl alcohol, and ethylene glycol monomethyl ether as embedding medium, respectively, is compared with the image definition obtained using paraffin wax, the reference embedding medium. The effects of the four kinds of embedding media on the image definition of camel cashmere, yak cashmere, wool, and cashmere are also analyzed. Results show that topographical feature, scale structure, and pigmentation are better visualized when n-decyl alcohol is used as embedding medium compared to when the other kinds of embedding media are used. This meets the requirement of computer image analysis method for the identification of camel cashmereand yak cashmere fibers. Furthermore, the image definition of wool and cashmere is clearly improved when n-decyl alcohol is used as the embedding medium compared to when paraffin wax is used in the same condition.

An Improved Method of USM Processing on Color Image

2012 ◽  
Vol 262 ◽  
pp. 168-171 ◽  
Author(s):  
Ju Hua Liang ◽  
Li Gong
Keyword(s):  
Color Image ◽  
Source Image ◽  
Edge Enhancement ◽  
Improved Method ◽  
Color Channel ◽  
Image Sharpening ◽  
Edge Contrast ◽  
Definition Of ◽  
Two Sides ◽  
Image Definition

Unsharp masking (USM) is an image manipulation technique, the principle of which is exaggerating the lighter-darker contrast between the two sides of an edge in order to enhance the visual definition of the image. In this study, typical computer image sharpening methods and defects were studied and the sharpening principle of traditional electronic scanners was adopted to propose an improved method of USM processing, that is, regard the most significant level change in color channel as the source image of extracting so as to obtain the edge enhancement information. Thus greater edge contrast was gained when applied to all channels. Experiments on RGB and CMYK images were conducted both by conventional and enhanced methods in Matlab. The results suggest that the improved image sharpening method could enhance the contrast of the image profile and get higher image definition degree.

Introductory paper

1966 ◽  
Vol 24 ◽  
pp. 3-5
Author(s):  
W. W. Morgan
Keyword(s):  
Line Intensity ◽  
Classification Scheme ◽  
Two Dimensional ◽  
Spectral Classification ◽  
Dimensional Array ◽  
Rr Lyrae ◽  
Metallic Line ◽  
Introductory Paper ◽  
Parameter Varying ◽  
Definition Of

1. The definition of “normal” stars in spectral classification changes with time; at the time of the publication of theYerkes Spectral Atlasthe term “normal” was applied to stars whose spectra could be fitted smoothly into a two-dimensional array. Thus, at that time, weak-lined spectra (RR Lyrae and HD 140283) would have been considered peculiar. At the present time we would tend to classify such spectra as “normal”—in a more complicated classification scheme which would have a parameter varying with metallic-line intensity within a specific spectral subdivision.

2.2. Working Group 2: Conceptual Definitions of Reference Coordinate Systems for Earth Dynamics

1975 ◽  
Vol 26 ◽  
pp. 21-26
Keyword(s):  
Coordinate System ◽  
Working Group ◽  
General Character ◽  
Coordinate Systems ◽  
Reference Coordinate System ◽  
Group 2 ◽  
Definition Of ◽  
Earth Dynamics

An ideal definition of a reference coordinate system should meet the following general requirements:1. It should be as conceptually simple as possible, so its philosophy is well understood by the users.2. It should imply as few physical assumptions as possible. Wherever they are necessary, such assumptions should be of a very general character and, in particular, they should not be dependent upon astronomical and geophysical detailed theories.3. It should suggest a materialization that is dynamically stable and is accessible to observations with the required accuracy.

Symbiotic Stars at Optical, Infrared and Radio Wavelengths

1979 ◽  
Vol 46 ◽  
pp. 125-149 ◽  
Author(s):  
David A. Allen
Keyword(s):  
Temperature Regime ◽  
Type Star ◽  
Stellar Systems ◽  
Symbiotic Stars ◽  
Lower Excitation ◽  
Definition Of ◽  
Original Type

No paper of this nature should begin without a definition of symbiotic stars. It was Paul Merrill who, borrowing on his botanical background, coined the termsymbioticto describe apparently single stellar systems which combine the TiO absorption of M giants (temperature regime ≲ 3500 K) with He II emission (temperature regime ≳ 100,000 K). He and Milton Humason had in 1932 first drawn attention to three such stars: AX Per, CI Cyg and RW Hya. At the conclusion of the Mount Wilson Ha emission survey nearly a dozen had been identified, and Z And had become their type star. The numbers slowly grew, as much because the definition widened to include lower-excitation specimens as because new examples of the original type were found. In 1970 Wackerling listed 30; this was the last compendium of symbiotic stars published.

Immunoferritin localization of intracellular antigens in positively stained frozen sections

1978 ◽  
Vol 36 (2) ◽  
pp. 168-169
Author(s):  
K. T. Tokuyasu
Keyword(s):  
Surface Tension ◽  
Water Surface ◽  
Thin Layers ◽  
The Other ◽  
Positive Staining ◽  
Frozen Sections ◽  
The Past ◽  
Ultrathin Frozen Sections ◽  
Definition Of

During the past investigations of immunoferritin localization of intracellular antigens in ultrathin frozen sections, we found that the degree of negative staining required to delineate u1trastructural details was often too dense for the recognition of ferritin particles. The quality of positive staining of ultrathin frozen sections, on the other hand, has generally been far inferior to that attainable in conventional plastic embedded sections, particularly in the definition of membranes. As we discussed before, a main cause of this difficulty seemed to be the vulnerability of frozen sections to the damaging effects of air-water surface tension at the time of drying of the sections.Indeed, we found that the quality of positive staining is greatly improved when positively stained frozen sections are protected against the effects of surface tension by embedding them in thin layers of mechanically stable materials at the time of drying (unpublished).

Initial Polymerization Sites Indicated During Mitochondrial Oxidation of Diaminobenzidine after Toluene Treatment

1977 ◽  
Vol 35 ◽  
pp. 408-409
Author(s):  
W. A. Shannon ◽  
M. A. Matlib
Keyword(s):  
Membrane Permeability ◽  
Cytochrome Oxidase ◽  
Rat Liver ◽  
Precise Definition ◽  
Cytochemical Localization ◽  
Oxidative Reaction ◽  
Mitochondrial Oxidation ◽  
Definition Of ◽  
Exogenous Substrates

Numerous studies have dealt with the cytochemical localization of cytochrome oxidase via cytochrome c. More recent studies have dealt with indicating initial foci of this reaction by altering incubation pH (1) or postosmication procedure (2,3). The following study is an attempt to locate such foci by altering membrane permeability. It is thought that such alterations within the limits of maintaining morphological integrity of the membranes will ease the entry of exogenous substrates resulting in a much quicker oxidation and subsequently a more precise definition of the oxidative reaction.The diaminobenzidine (DAB) method of Seligman et al. (4) was used. Minced pieces of rat liver were incubated for 1 hr following toluene treatment (5,6). Experimental variations consisted of incubating fixed or unfixed tissues treated with toluene and unfixed tissues treated with toluene and subsequently fixed.

Sign in / Sign up

Export Citation Format

Share Document