scholarly journals AI CLASSROOM ANALYSIS SYSTEM FOR LANGUAGE TEACHING DEVELOPMENT

2019 ◽  
Author(s):  
Hiroki Ishizuka ◽  
◽  
Akio Onishi ◽  
Keyword(s):  
Language Teaching ◽  
Teaching Development ◽  
Analysis System ◽  
Classroom Analysis

scholarly journals Optimization of Data Mining and Analysis System for Chinese Language Teaching Based on Convolutional Neural Network

2021 ◽  
Vol 2021 ◽  
pp. 1-8
Author(s):  
Xi Chen
Keyword(s):  
Neural Network ◽  
Data Mining ◽  
Big Data ◽  
Convolutional Neural Network ◽  
Language Teaching ◽  
Chinese Language ◽  
Chinese Language Teaching ◽  
Text Information ◽  
Analysis System

Chinese language is also an important way to understand Chinese culture and an important carrier to inherit and carry forward Chinese traditional culture. Chinese language teaching is an important way to inherit and develop Chinese language. Therefore, in the era of big data, data mining and analysis of Chinese language teaching can effectively sum up experience and draw lessons, so as to improve the quality of Chinese language teaching and promote Chinese language culture. Text clustering technology can analyze and process the text information data and divide the text information data with the same characteristics into the same category. Based on big data, combined with convolutional neural network and K-means algorithm, this paper proposes a text clustering method based on convolutional neural network (CNN), constructs a Chinese language teaching data mining analysis system, and optimizes it so that the system can better mine Chinese character data in Chinese language teaching data in depth and comprehensively. The results show that the optimized k-means algorithm needs 683 iterations to achieve the target accuracy. The average K-measure value of the optimized system is 0.770, which is higher than that of the original system. The results also show that K-means algorithm can significantly improve the clustering effect, optimize the data mining analysis system of Chinese language teaching, and deeply mine the Chinese data in Chinese language teaching, so as to improve the quality of Chinese language teaching.

scholarly journals Notas para uma política de ensino de línguas

2015 ◽  
Vol 8 (1) ◽  
pp. 124-136
Author(s):  
José Carlos Paes de Almeida Filho
Keyword(s):  
Foreign Language ◽  
Language Policy ◽  
Language Teaching ◽  
Language Planning ◽  
Foreign Language Teaching ◽  
Language Policies ◽  
Policy Language ◽  
Teaching Development ◽  
Development Index

RESUMO:O espectro de fatores coadjuvantes da formação de agentes para um ensino profissional e desenvolvido de línguas inclui uma política linguística que, por sua vez, abriga o campo das Políticas de Ensino de Línguas (Estrangeiras e Segundas) que nos interessam particularmente neste trabalho. Quando examinamos o índice obtido para o desenvolvimento do Ensino de PLE no Brasil, por exemplo, o quesito Políticas (oficiais) merece uma das mais baixas pontuações entre os catorze tomados em conta no trabalho de Almeida Filho (2007). Por que isso acontece? A situação é a mesma ou próxima a essa com referência às outras línguas de oferta no currículo escolar? O que é uma política de Ensino de Línguas e de PLE no arco de uma projetada política linguística no país? Quais os contornos de uma política de que precisamos para uso oficial e das instituições? Neste trabalho serão propostas respostas fundamentadas para essas questões atinentes a um nó que lentifica o desenvolvimento do Ensino de Línguas no país.PALAVRAS-CHAVE: Índice de desenvolvimento do ensino de uma língua estrangeira. Política linguística. Política de ensino de línguas. Políticas para o Ensino de PLE. Contornos de uma política de ensino de línguas.ABSTRACT: The range of supporting factors in the education of agents for a professional and developed teaching of languages includes language planning whose scope is wider and shelters important second and foreign language policies. For example, when the index for the development of Portuguese as a Foreign Language in Brazil is considered, the topic of official policies deserves one of the lowest scores among the fourteen criteria taken into consideration in the paper by Almeida Filho (2007). Why does this happen? Is the prospect similar for the languages most commonly taught at schools? What is a language teaching policy in the realm of a supposed language policy enforced in the country? Which are the contours of a policy needed for official purposes and by the institutions? In this article some answers are attempted for these questions associated to a cause that slows the development of Foreign Language Teaching in the nation.KEYWORDS: Foreign Language teaching development index. Language policy. Language teaching policy. Policies for the teaching of Portuguese as a foreign language. Requirements for a language teaching policy.

Automated Image Analysis Of Nuclear And Cytoplasmic Changes In Exfoliated Cells From Tracheas Treated With Carcinogen

1977 ◽  
Vol 35 ◽  
pp. 220-221
Author(s):  
S.F. Stinson ◽  
J.C. Lilga ◽  
M.B. Sporn
Keyword(s):  
Image Analysis ◽  
Pattern Analysis ◽  
Relative Proportion ◽  
Automated Image Analysis ◽  
Image Analyzer ◽  
Cross Sectional ◽  
Exfoliated Cells ◽  
Neoplastic Lesions ◽  
Analysis System ◽  
Morphologic Criterion

Increased nuclear size, resulting in an increase in the relative proportion of nuclear to cytoplasmic sizes, is an important morphologic criterion for the evaluation of neoplastic and pre-neoplastic cells. This paper describes investigations into the suitability of automated image analysis for quantitating changes in nuclear and cytoplasmic cross-sectional areas in exfoliated cells from tracheas treated with carcinogen.Neoplastic and pre-neoplastic lesions were induced in the tracheas of Syrian hamsters with the carcinogen N-methyl-N-nitrosourea. Cytology samples were collected intra-tracheally with a specially designed catheter (1) and stained by a modified Papanicolaou technique. Three cytology specimens were selected from animals with normal tracheas, 3 from animals with dysplastic changes, and 3 from animals with epidermoid carcinoma. One hundred randomly selected cells on each slide were analyzed with a Bausch and Lomb Pattern Analysis System automated image analyzer.

Digital Processing of STEM Images

1981 ◽  
Vol 39 ◽  
pp. 236-237
Author(s):  
A. V. Crewe ◽  
M. Ohtsuki
Keyword(s):  
High Resolution ◽  
Low Dose ◽  
Assembly Language ◽  
Processing System ◽  
Principal Component ◽  
Digital Processing ◽  
Image Analysis System ◽  
Black And White ◽  
Analysis System ◽  
Dose Imaging

We have assembled an image processing system for use with our high resolution STEM for the particular purpose of working with low dose images of biological specimens. The system is quite flexible, however, and can be used for a wide variety of images.The original images are stored on magnetic tape at the microscope using the digitized signals from the detectors. For low dose imaging, these are “first scan” exposures using an automatic montage system. One Nova minicomputer and one tape drive are dedicated to this task.The principal component of the image analysis system is a Lexidata 3400 frame store memory. This memory is arranged in a 640 x 512 x 16 bit configuration. Images are displayed simultaneously on two high resolution monitors, one color and one black and white. Interaction with the memory is obtained using a Nova 4 (32K) computer and a trackball and switch unit provided by Lexidata.The language used is BASIC and uses a variety of assembly language Calls, some provided by Lexidata, but the majority written by students (D. Kopf and N. Townes).

Chemical Classification and Particle Sizing of Foundry Sands

1985 ◽  
Vol 43 ◽  
pp. 388-389
Author(s):  
D.S. DeMiglio
Keyword(s):  
Image Analysis ◽  
Energy Dispersive Spectrometer ◽  
Image Analysis System ◽  
Representative Sampling ◽  
Foundry Sands ◽  
Large Atomic Number ◽  
Backscattered Electron ◽  
Sand Particles ◽  
Analysis System ◽  
Reclamation System

Much progress has been made in recent years towards the development of closed-loop foundry sand reclamation systems. However, virtually all work to date has determined the effectiveness of these systems to remove surface clay and metal oxide scales by a qualitative inspection of a representative sampling of sand particles. In this investigation, particles from a series of foundry sands were sized and chemically classified by a Lemont image analysis system (which was interfaced with an SEM and an X-ray energy dispersive spectrometer) in order to statistically document the effectiveness of a reclamation system developed by The Pangborn Company - a subsidiary of SOHIO.The following samples were submitted: unreclaimed sand; calcined sand; calcined & mechanically scrubbed sand and unused sand. Prior to analysis, each sample was sprinkled onto a carbon mount and coated with an evaporated film of carbon. A backscattered electron photomicrograph of a field of scale-covered particles is shown in Figure 1. Due to a large atomic number difference between sand particles and the carbon mount, the backscattered electron signal was used for image analysis since it had a uniform contrast over the shape of each particle.

Automated high-resolution microscopy: the approaches so far

1987 ◽  
Vol 45 ◽  
pp. 58-61
Author(s):  
W. O. Saxton
Keyword(s):  
High Resolution ◽  
Early Stage ◽  
Automatic Recording ◽  
Microprocessor Control ◽  
Alternative Systems ◽  
Electron Image ◽  
Complete Automation ◽  
Analysis System ◽  
High Resolution Microscopy

Recent commercial microscopes with internal microprocessor control of all major functions have already demonstrated some of the benefits anticipated from such systems, such as continuous magnification, rotation-free diffraction and magnification, automatic recording of mutually registered focal series, and fewer control knobs. Complete automation of the focusing, stigmating and alignment of a high resolution microscope, allowing focal series to be recorded at preselected focus values as well, is still imminent rather than accomplished, however; some kind of image pick-up and analysis system, fed with the electron image via a TV camera, is clearly essential for this, but several alternative systems and algorithms are still being explored. This paper reviews the options critically in turn, and stresses the need to consider alignment and focusing at an early stage, and not merely as an optional extension to a basic proposal.

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