• Title/Summary/Keyword: Visual Information Processing

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A Bio-Inspired Modeling of Visual Information Processing for Action Recognition (생체 기반 시각정보처리 동작인식 모델링)

  • Kim, JinOk
    • KIPS Transactions on Software and Data Engineering
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    • v.3 no.8
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    • pp.299-308
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    • 2014
  • Various literatures related computing of information processing have been recently shown the researches inspired from the remarkably excellent human capabilities which recognize and categorize very complex visual patterns such as body motions and facial expressions. Applied from human's outstanding ability of perception, the classification function of visual sequences without context information is specially crucial task for computer vision to understand both the coding and the retrieval of spatio-temporal patterns. This paper presents a biological process based action recognition model of computer vision, which is inspired from visual information processing of human brain for action recognition of visual sequences. Proposed model employs the structure of neural fields of bio-inspired visual perception on detecting motion sequences and discriminating visual patterns in human brain. Experimental results show that proposed recognition model takes not only into account several biological properties of visual information processing, but also is tolerant of time-warping. Furthermore, the model allows robust temporal evolution of classification compared to researches of action recognition. Presented model contributes to implement bio-inspired visual processing system such as intelligent robot agent, etc.

Effects of Visual Information Processing Skills on Intersection's Driving Performance of Elderly Drivers (고령 운전자의 시각 정보처리 능력이 교차로 운전수행에 미치는 영향)

  • Min, Yoon-Ki;Kim, Hyun-Woo;Lim, Dong-Hoon;Min, Byung-Chan;Kim, Bo-Seong
    • Journal of Korean Society of Industrial and Systems Engineering
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    • v.32 no.4
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    • pp.107-112
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    • 2009
  • The purpose of this study was to examine elderly drivers' driving performances at the intersections, suggested by Bao and Boyle(2009), according to visual information processing skills. Visual information processing skills of elderly drivers were measured by using the visual working memory task, developed by Min et al.(2006). Seven elderly drivers were divided into two groups(good/poor) depending on the level of visual information processing skills and eleven younger drivers were a contrast group. This study examined the differences of driving performance(i.e., intersection passing times, approach velocities, speed variation and handling variations) among three groups. The results showed that elderly drivers having the poor visual information processing skills passed more slowly through the intersection than the contrast group, and passing times between elderly drivers having the good visual information processing skills and the contrast group was not significantly different. It is suggested that elderly drivers having the poor visual information processing skills use more times when they pass through the intersection, because they don't process a lot of hazardous and latent hazardous factors quickly.

The Effect of Visual Information Processing of Online Product Display on Consumers' Attention (온라인 사이트 상품 배치에 따른 시각정보처리가 소비자 주의에 미치는 영향)

  • Lee, Juhyun;Lee, Dong-Il
    • The Korean Journal of Franchise Management
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    • v.6 no.2
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    • pp.17-30
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    • 2015
  • Companies display the product information to the consumers in their online presences. As importance of online marketing activities are growing, most of the franchisers also uses the product images on their online sites to provide the vivid visual information of their merchandises. But the previous researches do not provide the rigorous understanding on the nature of how the consumers process the visual information. In this study, we explore the theoretical backgrounds of the visual information processing and set up the research proposition on the orders and directions of the online visitors' attentions. The visit data from experimental online shop for 81 days was analysed with repeated measure ANOVA. We found that the nature of visual information processing in the online environment is different from that of the ordinary text process. At the end of this study, implication and the limitations of the research were discussed.

An Analysis of Collaborative Visualization Processing of Text Information for Developing e-Learning Contents

  • SUNG, Eunmo
    • Educational Technology International
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    • v.10 no.1
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    • pp.25-40
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    • 2009
  • The purpose of this study was to explore procedures and modalities on collaborative visualization processing of text information for developing e-Learning contents. In order to investigate, two research questions were explored: 1) what are procedures on collaborative visualization processing of text information, 2) what kinds of patterns and modalities can be found in each procedure of collaborative visualization of text information. This research method was employed a qualitative research approaches by means of grounded theory. As a result of this research, collaborative visualization processing of text information were emerged six steps: identifying text, analyzing text, exploring visual clues, creating visuals, discussing visuals, elaborating visuals, and creating visuals. Collaborative visualization processing of text information came out the characteristic of systemic and systematic system like spiral sequencing. Also, another result of this study, modalities in collaborative visualization processing of text information was divided two dimensions: individual processing by internal representation, social processing by external representation. This case study suggested that collaborative visualization strategy has full possibility of providing ideal methods for sharing cognitive system or thinking system as using human visual intelligence.

Adaptive Processing for Feature Extraction: Application of Two-Dimensional Gabor Function

  • Lee, Dong-Cheon
    • Korean Journal of Remote Sensing
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    • v.17 no.4
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    • pp.319-334
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    • 2001
  • Extracting primitives from imagery plays an important task in visual information processing since the primitives provide useful information about characteristics of the objects and patterns. The human visual system utilizes features without difficulty for image interpretation, scene analysis and object recognition. However, to extract and to analyze feature are difficult processing. The ultimate goal of digital image processing is to extract information and reconstruct objects automatically. The objective of this study is to develop robust method to achieve the goal of the image processing. In this study, an adaptive strategy was developed by implementing Gabor filters in order to extract feature information and to segment images. The Gabor filters are conceived as hypothetical structures of the retinal receptive fields in human vision system. Therefore, to develop a method which resembles the performance of human visual perception is possible using the Gabor filters. A method to compute appropriate parameters of the Gabor filters without human visual inspection is proposed. The entire framework is based on the theory of human visual perception. Digital images were used to evaluate the performance of the proposed strategy. The results show that the proposed adaptive approach improves performance of the Gabor filters for feature extraction and segmentation.

Visual Attention Model Based on Particle Filter

  • Liu, Long;Wei, Wei;Li, Xianli;Pan, Yafeng;Song, Houbing
    • KSII Transactions on Internet and Information Systems (TIIS)
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    • v.10 no.8
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    • pp.3791-3805
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    • 2016
  • The visual attention mechanism includes 2 attention models, the bottom-up (B-U) and the top-down (T-D), the physiology of which have not yet been accurately described. In this paper, the visual attention mechanism is regarded as a Bayesian fusion process, and a visual attention model based on particle filter is proposed. Under certain particular assumed conditions, a calculation formula of Bayesian posterior probability is deduced. The visual attention fusion process based on the particle filter is realized through importance sampling, particle weight updating, and resampling, and visual attention is finally determined by the particle distribution state. The test results of multigroup images show that the calculation result of this model has better subjective and objective effects than that of other models.

A Study on the Transformal Usage of Visual Information in Architectural Diagrams - Focusing on the Projects by Rem Koolhaas and MVRDV - (건축다이어그램에 나타난 시각정보의 변음방식에 관한 연구 - 렘 쿨하스와 MVRDV의 프로젝트를 중심으로 -)

  • Park, Young-Ho
    • Korean Institute of Interior Design Journal
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    • v.17 no.6
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    • pp.71-81
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    • 2008
  • The purposes of this research are to correctly understand the relationship between a visual communication structure and a semantic communication structure when integrating and changing various architectural visual information. This study will classify various diagrams, which have been actively applied to the works of Rem Koolhaas and MVRDV when designing architecture, and based on the classification, it will analyze how the expression viewpoints inherent in the diagrams are changed and applied to processing and changing architectural visual information. The transformal usage of the visual information of architectural diagrams is classified into an analysis-centered processing method and a concept-centered processing method, and the characteristics of their usage are analyzed. The former shows an observer-centered expression viewpoint which effectively delivers an architect's analyzed architectural information or intent to a customer or an observer. It also allows an easy perception of the analyzed data, and uses qualitative expression viewpoints. The method combines systematic expression viewpoints, which value a relationship with visual information, and various architectural visual information; uses the combined expression viewpoints as one diagram for delivering various information simultaneously and for changing visual information. The latter shows author-centered subjective expression viewpoints, which are different from reproduction-centered fixed expression viewpoints. This method uses arbitrary expression viewpoints that overly extort, change or manipulate visual information. It shows simultaneous expression viewpoints that integrate various architectural visual information via omniscient expression viewpoints, such as reversing or projecting the points of viewing subjects, which human beings cannot perceive.

A Study on the Visual System of Object - Oriented Based on Abstract Information (객체지향을 기반으로한 추상화 정보의 시각화 시스템에 대한 연구)

  • Kim, Haeng-Kon;Han, Eun-Ju;Chung, Youn-Ki
    • The Transactions of the Korea Information Processing Society
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    • v.4 no.10
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    • pp.2434-2444
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    • 1997
  • As software industry progresses, the necessity of visual information have increased more than text-oriented information. So, automatic tools are required to satisfy a user's desire for visual design representation of various source information in the real-world. In this paper, we discuss the methodology and tools for parsing abstract information through semantic analysis and extracting visual information through visual mapping. Namely, as to abstract informations are represented as relational structure and then mapped into visual structure using regular rule, user can obtain visual information. We suggest VOLS(Visual Object Layout System) to transform a abstract information to visual information. It can improve user understandability and assist a maintenance for existing source code.

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A Study on the Design of Image Processing Platform for the Digital Camera of Post-PC (Post-PC용 디지털 카메라를 위한 영상 처리 플랫폼 설계에 관한 연구)

  • Lee, Hyoung-Gu;Yoo, Won-Pil;Chung, Yun-Koo
    • Proceedings of the Korea Information Processing Society Conference
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    • 2002.04a
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    • pp.241-244
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    • 2002
  • 본 논문은 Post-PC 에 사용되는 DSP 프로세서 기반 디지털 카메라의 효율적이고 소형화된 영상 처리 플랫폼 설계에 대해 설명한다. 제한된 소량의 기억장치를 갖는 내장형 시스템의 제약조건을 만족시키기 위해서 제안된 플랫폼은 블록 처리의 개념을 사용하여 입력 영상을 처리한다. 먼저 입력 영상이 적당한 수의 데이터 블록으로 나누어진다. 그리고 나서 영상 블록들은 일련의 블록 기반 함수들에 의해서 처리된다. 처리된 블록들은 다시 하나의 결과 영상으로 모아진다. 블록 처리는 요구되는 메모리 크기를 줄여줄 뿐만 아니라 multithreading 과 병렬 처리를 통한 더 빠른 수행을 가능하도록 해준다. 플랫폼을 구성하는 대부분의 함수들은 이러한 블록 처리의 장점을 살려서 일련의 영상 블록들을 처리한다. 소개되는 플랫폼은 특화된 하드웨어를 사용하지 않고 사용자의 요구에 맞는 또다른 영상 처리와 압축 기법을 추가하는 것이 가능하게 해준다.

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Video Game Experience and Children's Abilities of Self-Control and Visual Information Processing (전자오락경험과 아동의 자기통제력 및 시각정보처리능력)

  • Yi, Soon Hyung;Lee, So Eun
    • Korean Journal of Child Studies
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    • v.18 no.2
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    • pp.105-120
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    • 1997
  • The purpose of this study was to investigate children's abilities of self-control and visual information processing based on their experience with video games. Participants, divided by prior exposure to video games, were 44 seven-year-old and 48 eleven-year-old boys. The impulsive tendency of children was measured through the MFFT and The delayed satisfaction test. Visual information processing ability was assessed through perceptual speed, mental rotation, and spatial visualization tasks. No differences were found between more-and less-video-game-experienced boys. Significant differences, however, were found in visual information processing abilities. More experienced boys performed better in mental rotation and spatial visualization tasks than less experienced boys.

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