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Transcript of PhD COC
And Visual Effects (VFX) Knowledge Visualisation (KV)of Complex System Human Articular Cartilage Practice-led Research Theory Practice Praxis NEW Concepts NEW Understanding Methodologies Contribution GAP VISUALISING COMPLEX SYSTEMS USING COMPUTER GRAPHICS Chenlin (Andy) Zheng Literature View Human Cognitive Architecture and Human Perception Visual Representation of Knowledge visualisation Current Applications and Design Strategies of CG Knowledge Visualisations 3D Computer Graphic (CG)
And Visual Effects (VFX) Knowledge Transfer and Visualisation of Complex System 3D Computer Graphic (CG) And Visual Effects (VFX) What is 3D computer graphic (CG)? Knowledge Transfer And Visualisation of Complex System What is visual effects (VFX)? knowledge transfer and visualisation Hypothesis& Design Visual Representation Process The knowledge transfer process
of knowledge visualisaiton Knowledge 3D Computer Graphic (CG) And Visual Effects (VFX) knowledge Knowledge Complex system Knowledge Description Context EXAMPLE COMPLEX SYSTEM Structure Interaction Behavior Phenomena Human Articular Cartilage Cells Collagen Fibers Proteoglycans (PGs) Knowledge Knowledge Visualisation Knowledge Visual Representations of KV Static Graphic Long term memory Gestalt Theory  CG Design Strategies Practice-led Research Principles of Human Cognitive Architecture and Human Perception Design Strategies of the Current Applications of CG KV Design Principles of Using CG and VFX in the Design of KV CG KVs of Human Articular Cartilage Evaluation of The Implications Feedback-based Evaluation Self-Analysis Theoretical Design Framework Plan Action Reflection Plan Action Reflection “Peter thinks that Mary likes apple” Context Description Cognitive Schema “In human articular cartilage, Proteoglycans are entrapped within the collagen network throughout the entire thickness of this tissue” Context Description Knowledge VS Pre-existing Konwledge EXAMPLE Complex system Complex system:
Any system featuring a large number of interacting components, whose aggregate activity is non-linear and typically exhibits self-organization under selective pressures . physical and chemical systems
social systems . Human Articular Cartilage Water Complex system Human Articular Cartilage The Description of Knowledge need to be represented in a comfortable Cognitive Schema for viewers Knowledge Classification of Complex System Structure
Interaction Human Cognitive Architecture Long Term Memory  Working Memory  Working Memory Major
Cognitive Schema Learning
Consciousness Human Cognitive Architecture The capability of Working Memory is strongly related to long term memory  Work Example Effect  Working Memory vs Long Term Memory Knowledge Visualisation Modality Effect  Dual Coding theory  Seven Principles of Multimedia Representation  Spatial Contiguity Principle: Multimedia Principle: Temporal Contiguity Principle: Coherence Principle: People can learn more deeply from animation and narration than from narration or animation alone. People can learn more deeply when on-screen text is presented next to the corresponding action of the animation. People can learn more deeply when corresponding portions of the narration and animation are presented at the same time than when they are separated in time. People can learn more deeply from animation and narration when extraneous words, sounds, music and video are excluded rather than included. Seven Principles of Multimedia Representation  Redundancy Principle: Modality Principle: Personalization Principle: People can learn more deeply from animation and narration than from animation and on-screen text according to Dual Coding theory. People can learn more deeply from animation and narration than from animation or narration alone according to Dual Coding theory. People can learn more deeply from animation and narration when the narration is in conversational rather than formal style. Principles Based on Human Cognitive Architecture Apprehension Principle : Congruence Principle : The structure and content of the external representation should correspond to the desired structure and content of the internal representation The structure and content of the external representation should be readily and accurately perceived and comprehended Law of Symmetry Law of Continuation Law of Simplicity Law of Proximity Law of Similarity Law of Closure Human Perception Gestalt Theory Pre-attentive Properties Stevens’ Psychophysical Power Law Pre-attentive Properties  position
saturation Stevens’ Psychophysical Power Law  Colour Saturation & B/W Lightness: The random use of pre-attantive properties WILL NOT improve the outcome of visual representation hue
brightness Length: Area & Brightness: The perception will be magnified The perception is exactly linear The perception will be compressed Knowledge Structure Individual Behaviour Interaction A major media of communicating knowledge Improve the information presented  Use space to convey space [17; 18]. Provide periodical information in between of the major changes. Visual Representations of KV Animated Graphic Visualise movement and changeable relationship Apparent benefits [20; 21; 22; 23] Effective in represent continuous changes rather than discrete stages  Requires advanced pre-existing knowledge and spatial capabilities  Visual Representations of KV Drawbacks of Animated Graphic Animation should be used for the competent receivers [25; 26; 27; 28]. Animation are difficult to perceive [29; 30] Animation should be carefully designed [11; 31] Current Applications and design strategies of KV Simple colour combination The Cognitive Schema between the conceptual material and the visual presentation  Straightforward modelling technique Realistic rendering techniques Limited artistic attempts Current Applications and design strategies of KV strong rendering effects Strong colour combination Passionate artistic attempts Create a mysterious and surreal feeling Summary Knowledge need to be well classified Principles of human cognitive architecture and human perception Drawbacks of visual representation of KV The current design strategies of CG KV need to be reviewed Methodology Research Design Single participant involved practice-led research Methodology Action Reflection Plan Action Reflection Research Design Action Research Plan Carol Gray  has given the two main characteristics of practice-led research: The research problem and challenges are initiated and identified in practice
The research methodology is carried out through practice Paul Wells  proposed a fundamental definition of relationship between history, theory and practice of animation, “No theory without practice; No practice without theory; No progress without history.” Provide effectiveness and accuracy Provide clearly identified objectives Avoid unnecessary practice cycles Design Stage Textual Analysis Evaluation Stage The study of human cognitive architecture and human perception The review of the current applications of CG KV Commonly used CG strategies Fundamental design principles Design CG KVs to visualise the knowledge of human articular cartilage Evaluate & identify the effects of the findings Implicate the design principles and strategies in the design Feedback from two group of viewers Self-analysis Textual Analysis Alan Mckee : “Textual analysis is a way for researchers to gather information about how other human beings make sense of the world. It is a methodology, a data-gathering process, for those researchers who want to understand the ways in which members of various cultures and subcultures make sense of who they are, and of how they into the world in which they live." ‘Text’ is any form of interpretation of something's meaning  Commonly used CG strategies & fundamental design principles Textual Analysis study the history and function of a communication approach . Evaluate the characteristics of a communication approach . Make inferences about the effects of a communication approach and its characteristics . Textual Analysis Gather the most likely interpretations that can be made of CG KV. Current applications of CG KVs for biological complex systems Identify the characteristics for describing and coding CG KV. Gillian Gose : Exhaustive
Enlightening Visual representation styles Textual Analysis CG strategies of KV: Textual analysis is not a quantitative counting method A qualitative interpreting method Colour design Background design Rendering techniques Camera movements Audio design Montage design Design Principles of KV: Human Cognitive Architecture Human Perception Design Stage Design Principles Human articular cartilage Interaction Structure Behaviour Design Principles Design Principles CG Design Strategies CG Design Strategies Design Process Design Process Design Process Theoretical Design Framework Design Stage storyboard pre-visualisation voice-over recording modelling texturing animation rendering compositing Evaluation Stage Self-analysis Feedback Viewers with limited pre-existing knowledge Viewers with advanced pre-existing knowledge Action Research cycle Research Timeline Results and Analysis Table 1: Modified Design principles for the design of CG KV Results and Analysis Results and Analysis Figure 14: A conceptual overview of the macromolecular organization of the cartilage matrix  Figure 15: The realistic representation of the macromolecular structure of cartilage Collagen Fibre Proteoglycan Chondrocyte Results and Analysis Table 2: The design strategies of CG KVs and the design implications Results and Analysis Table 3: The design principles and design strategies that will be applied in the different practices of CG KVs focusing on different categories of knowledge Results and Analysis Figure 16: Strong colour combination (a) and simple colour combination (b) in the design of CG KVs Results and Analysis (a) (b) Figure 17: Single background colour (a) and background with content (b) in the design of CG KVs Results and Analysis (a) (b) Figure 18:The comparison of CG KV with vignette (a) and without vignette (b) Results and Analysis (a) (b) Figure 19: The comparison of CG KVs with strong depth of field (a) and without depth of field (b) Results and Analysis (a) (b) Future Works Further identify design principles and strategies Apply the current results and future findings in design Evaluate the research findings Consider adding interactivity in the design of CG KV Principal Supervisor: Prof Adekunle Oloyede
Associate Supervisors: Mr. Chris Carter Figure 1: interface of Blender Figure 2: CG sculpting technique Figure 3: CG texture technique Figure 4: CG in industrial design  Figure 5: CG in for biological visualisation  c John Dinsmore  PROMETHEUS: ALIEN ANATOMY (VFX)  Life of Pi VFX Breakdown  Figure 6: Illustration of human articular cartilage  Figure 7: Electric microscope picture of human cartilage  Figure 8: The illustration of the structure of collagen fibres and proteoglycans  Figure 9: The process of knowledge achievement Based on Dual Coding  Figure 10: Stevens’ Psychophysical Power Law  Figure 11: The Structure of Collagen; (a) Collagen fibers; (b) A collagen fiber contains many tropocollagen; (c) Each tropocollagen is a triple helix consisting of (d) three entwined a chain  Ovulation  3D Medical Animation-What is Cancer  The Inner Life of the cell  Figure 12: Action research cycle Reference List