• Title/Summary/Keyword: human visual perception

Search Result 264, Processing Time 0.037 seconds

Monocular 3D Vision Unit for Correct Depth Perception by Accommodation

  • Hosomi, Takashi;Sakamoto, Kunio;Nomura, Shusaku;Hirotomi, Tetsuya;Shiwaku, Kuninori;Hirakawa, Masahito
    • 한국정보디스플레이학회:학술대회논문집
    • /
    • 2009.10a
    • /
    • pp.1334-1337
    • /
    • 2009
  • The human vision system has visual functions for viewing 3D images with a correct depth. These functions are called accommodation, vergence and binocular stereopsis. Most 3D display system utilizes binocular stereopsis. The authors have developed a monocular 3D vision system with accommodation mechanism, which is useful function for perceiving depth.

  • PDF

A study on the Application of Multisensory emotional tendency in Architectural design (건축디자인에서의 다감각적 감성의 적용에 관한 기초연구)

  • Bahn, Sang-Chul;Jin, Bora
    • Journal of the Korea Academia-Industrial cooperation Society
    • /
    • v.16 no.8
    • /
    • pp.5683-5694
    • /
    • 2015
  • In architecture, Sensibility is the most basic thing in the environmental cognition. Emotion is the phychological or cognitive phenomenon of sensory changes. A cross-causal relationship is formed between the two, and they have a consensus in contact with humans and environment. Sensibility ever to serve as bundle and cognize as mutual superposition. Humans unconsciously perceive through the synesthesia that integrated all the senses. In this study, it has been identified as a result of the study, the architectural design through the sense must be design to the multisensory experience of the emotional design. Depending on the times change, it can know that the gradual changes based on the anthropocentric sense and sensibility. Emotional design in architecture shall ensure that a variety of experience through the multisensory. In this emotional design, multisensory design (or various sensory function) -visual & tactory or visual & auditory etc.- is required beyond the limitation of conventional visual concenturated. Therefore, In order to achieve the demands of the modern social objectives of sympathy or empathy for the human-centered design sensibility, the visual perception as well as a variety of sensory must be recognized that a combination of cognitive and functional. And the application of multisensory design is required to aim the synesthesia cognition.

A Study on the Interior Design of a Dog-Friendly Hotel Using Deepfake DID for Alleviation of Pet loss Syndrome

  • Hwang, Sungi;Ryu, Gihwan
    • International Journal of Advanced Culture Technology
    • /
    • v.10 no.1
    • /
    • pp.248-252
    • /
    • 2022
  • The environment refers to what is surrounded by something during human life. This environment is related to the way humans live, and presents various problems on how to perceive the surrounding environment and how the behaviors that constitute the environment support the elements necessary for human life. Humans have an interest in the supportability of the environment as the interrelationship increases as humans perceive and understand the environment and accept the factors supported by the environment. In space, human movement starts from one space to the next and exchanges stimuli and reactions with the environment until reaching a target point. These human movements start with subjective judgment and during gait movement, the spatial environment surrounding humans becomes a collection of information necessary for humans and gives stimulation. will do. In this process, in particular, humans move along the movement path through movement in space and go through displacement perception and psychological changes, and recognize a series of spatial continuity. An image of thinking is formed[1]. In this process, spatial experience is perceived through the process of filtering by the senses in the real space, and the result of cognition is added through the process of subjective change accompanied by memory and knowledge, resulting in human movement. As such, the spatial search behavior begins with a series of perceptual and cognitive behaviors that arise in the process of human beings trying to read meaning from objects in the environment. Here, cognition includes the psychological process of sorting out and judging what the information is in the process of reading the meaning of the external environment, conditions, and material composition, and perception is the process of accepting information as the first step. It can be said to be the cognitive ability to read the meaning of the environment given to humans. Therefore, if we can grasp the perception of space while moving and human behavior as a response to perception, it will be possible to predict how to grasp it from a human point of view in a space that does not exist. Modern people have the theme of reminiscing dog-friendly hotels for the healing of petloss syndrome, and this thesis attempts to approach the life of companions.

Modeling of Visual Attention Probability for Stereoscopic Videos and 3D Effect Estimation Based on Visual Attention (3차원 동영상의 시각 주의 확률 모델 도출 및 시각 주의 기반 입체감 추정)

  • Kim, Boeun;Song, Wonseok;Kim, Taejeong
    • Journal of KIISE
    • /
    • v.42 no.5
    • /
    • pp.609-620
    • /
    • 2015
  • Viewers of videos are likely to absorb more information from the part of the screen that attracts visual attention. This fact has led to the visual attention models that are being used in producing and evaluating videos. In this paper, we investigate the factors that are significant to visual attention and the mathematical form of the visual attention model. We then estimated the visual attention probability using the statistical design of experiments. The analysis of variance (ANOVA) verifies that the motion velocity, distance from the screen, and amount of defocus blur affect human visual attention significantly. Using the response surface modeling (RSM), we created a visual attention score model that concerns the three factors, from which we calculate the visual attention probabilities (VAPs) of image pixels. The VAPs are directly applied to existing gradient based 3D effect perception measurement. By giving weights according to our VAPs, our algorithm achieves more accurate measurement than the existing method. The performance of the proposed measurement is assessed by comparing them with subjective evaluation as well as with existing methods. The comparison verifies that the proposed measurement outperforms the existing ones.

A Study on Architecture and Urban Regeneration in Korea through the Perception of Body (몸의 지각론에 의한 유휴시설의 건축도시 재생에 관한 연구)

  • Hyung, Hyung-Chir;Joh, Hahn
    • Korean Institute of Interior Design Journal
    • /
    • v.26 no.6
    • /
    • pp.210-221
    • /
    • 2017
  • First, we can define how our body perceives the external world and embodies its senses through the philosopher Merleau - Ponty. These philosophical orientations of Merleau-Ponty also appear to urban theorists such as Jane Jacobs, Gordon Cullen, and Juhani Pallasmaa. In other words, after the Second World War, people began to pay attention to human emotions and perceptions while opposing human rational thinking. Especially, they reject the abstract space of modernism and explore the everyday city space where the local character of the area lives. This place is a space where the collective memory of the group is shared over several generations. So, in this space, people's active perceptual system works actively. In the sense of this continuity of time, their ideas intersect with the concept of urban. Specifically, Jacobs criticizes massive development and proposes the development of a small block-based city with a commonality of old and new. In addition, we argue that urban space can be a visually interesting object through the continuous visual concept of urban theorist Cullen. In particular, he rediscovers the value of traditional urban space through visual experience between architecture and urban facilities. Finally, the architectural city theorist, Pallasmaa., criticizes the visual centrality of modern cities and thinks about the value of multidisciplinary space that can be experienced in architecture. This study examines the space of reproduction in detail on the perspective of the body philosophy and urban theorists. In other words, the play space inherits the natural city time, so when our body experiences this play space, we can actively sense and perceive the various senses. So we can invoke the active external actions of our bodies. Through the analysis of the size of the reconstruction space of the architectural city, various types of body senses and responses can be. Yoon Dongju Literary Museum, which renovated the old water tank of the city, can recognize the unfamiliar sense of body in everyday life through the traces and smells of water in the past and the restrained visuality. In addition, Seonyudo Park, which regenerates the waste water purification plant, can experience a phenomenal phenomenon through water space, old concrete and traces of steel. Finally, with the most recently played Seoul Road 7017 can experience interesting urban spaces in terms of a variety of plants, a human scale space creating movement, and a continuous visual.

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
    • /
    • v.17 no.6
    • /
    • pp.71-81
    • /
    • 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.

Development and Application of Korean Dummy Models (한국인 인체 모델의 개발과 적용)

  • Lee, Sang-Cheol;Son, Gwon;Kim, Seong-Jin
    • Journal of the Ergonomics Society of Korea
    • /
    • v.21 no.2
    • /
    • pp.13-23
    • /
    • 2002
  • Human dummies are essential tools in the development of such products as vehicle have been actively used not only in reach and view field tests. but also in impact perception evaluations. This study attempted to obtain geometric and dynamic model body segments from Korean anthropometric data. The investigation focused on the de both human and dummy for the geometric and inertial properties. The dynamic modeli being suggested is based on rigid body dynamics using fifteen individual body segments by joins. The segments are connected at the locations representing the physical joint body so that each segment has its mass and moment of inertia. For visual three-dimensional graphic was used for easier implementation of the dumn applications. For applications, proposed Korean dummies Were used in dynamic crash and driver's view and reach test modules were developed in virtual environment.

Deburring Skills to Robot Using Vision System (비젼을 이용한 디버링 기술의 로봇에의 전달)

  • 신상운;최규종;이규상;김영원;안두성
    • Proceedings of the Korean Society of Precision Engineering Conference
    • /
    • 1995.10a
    • /
    • pp.1110-1113
    • /
    • 1995
  • This study presents the new method which can transfer the expert's skill to deburring robot through neural network. The expert's skill is expressed as associationmapping between the characteristics of the burr and human expert's action. Under the fundamental idea that the state of the deburring processcan be extracted via the visual sense of the human,we employ vision system for the perception and identification of the changing burr. Form the demonstration of human experts, force data are measured. Finally the characteristics of the burr and coressponding force are associated by the neural network which is trained through many demonstrations. The proposed method is verified in the deburring process of welding burr.

  • PDF

A Survey of Research on Human-Vehicle Interaction in Defense Area (국방 분야의 인간-차량 인터랙션 연구)

  • Yang, Ji Hyun;Lee, Sang Hun
    • Korean Journal of Computational Design and Engineering
    • /
    • v.18 no.3
    • /
    • pp.155-166
    • /
    • 2013
  • We present recent human-vehicle interaction (HVI) research conducted in the area of defense and military application. Research topics discussed in this paper include: training simulation for overland navigation tasks; expertise effects in overland navigation performance and scan patterns; pilot's perception and confidence on an overland navigation task; effects of UAV (Unmanned Aerial Vehicle) supervisory control on F-18 formation flight performance in a simulator environment; autonomy balancing in a manned-unmanned teaming (MUT) swarm attack, enabling visual detection of IED (Improvised Explosive Device) indicators through Perceptual Learning Assessment and Training; usability test on DaViTo (Data Visualization Tool); and modeling peripheral vision for moving target search and detection. Diverse and leading HVI study in the defense domain suggests future research direction in other HVI emerging areas such as automotive industry and aviation domain.

Transfer Deburring Skills to Robot Using Vision System (비젼을 이용한 디버링 기술을 로봇에 전달)

  • 신상운;안두성
    • Journal of the Korean Society for Precision Engineering
    • /
    • v.15 no.9
    • /
    • pp.93-100
    • /
    • 1998
  • This study presents the new method which can transfer the expert's skill to deburring robot through neural network. The expert's skill is expressed as association mapping between the characteristics of the burr and human expert's action. Under the fundamental idea that the state of the deburring process can be extracted via the visual sense of the human, we employ vision system for the perception and identification of the changing burr. From the demonstration of human experts, force data are measured. Finally the characteristics of the burr and corresponding force are associated by the neural network which is trained through many demonstrations. The proposed method is verified in the deburring process of welding burr.

  • PDF