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Displaying 1-50 out of 125 total
Apparent layer operations for the manipulation of deformable objects
Found in: ACM Transactions on Graphics (TOG)
By Jun Mitani, Takeo Igarashi, Jun Mitani, Takeo Igarashi, Jun Mitani, Takeo Igarashi, Jun Mitani, Takeo Igarashi
Issue Date:July 2010
pp. 1-10
We introduce layer operations for single-view 3D deformable object manipulation, in which the user can control the depth order of layered 3D objects resting on a flat ground with simple clicks and drags, as in 2D drawing systems. We present two interaction...
     
3D modeling with silhouettes
Found in: ACM Transactions on Graphics (TOG)
By Alec Rivers, Fredo Durand, Takeo Igarashi, Alec Rivers, Fredo Durand, Takeo Igarashi, Alec Rivers, Fredo Durand, Takeo Igarashi, Alec Rivers, Fredo Durand, Takeo Igarashi
Issue Date:July 2010
pp. 1-10
We present a new sketch-based modeling approach in which models are interactively designed by drawing their 2D silhouettes from different views. The core idea of our paper is to limit the input to 2D silhouettes, removing the need to explicitly create or p...
     
2.5D cartoon models
Found in: ACM Transactions on Graphics (TOG)
By Alec Rivers, Fredo Durand, Takeo Igarashi, Alec Rivers, Fredo Durand, Takeo Igarashi, Alec Rivers, Fredo Durand, Takeo Igarashi, Alec Rivers, Fredo Durand, Takeo Igarashi
Issue Date:July 2010
pp. 1-10
We present a way to bring cartoon objects and characters into the third dimension, by giving them the ability to rotate and be viewed from any angle. We show how 2D vector art drawings of a cartoon from different views can be used to generate a novel struc...
     
Generating photo manipulation tutorials by demonstration
Found in: ACM Transactions on Graphics (TOG)
By Floraine Grabler, Maneesh Agrawala, Mira Dontcheva, Takeo Igarashi, Wilmot Li, Floraine Grabler, Maneesh Agrawala, Mira Dontcheva, Takeo Igarashi, Wilmot Li, Floraine Grabler, Maneesh Agrawala, Mira Dontcheva, Takeo Igarashi, Wilmot Li, Floraine Grabler, Maneesh Agrawala, Mira Dontcheva, Takeo Igarashi, Wilmot Li
Issue Date:July 2009
pp. 1-2
We present a demonstration-based system for automatically generating succinct step-by-step visual tutorials of photo manipulations. An author first demonstrates the manipulation using an instrumented version of GIMP that records all changes in interface an...
     
Holly: A Drawing Editor for Designing Stencils
Found in: IEEE Computer Graphics and Applications
By Yuki Igarashi, Takeo Igarashi
Issue Date:July 2010
pp. 8-14
Designing a stencil is difficult because of the requirement that all positive regions are connected. In this proposed method for generating expressive stencils, you simply use standard drawing operations, and the system automatically generates the appropri...
 
Digital Fabrication
Found in: Computer
By Manfred Lau,Jun Mitani,Takeo Igarashi
Issue Date:December 2012
pp. 76-79
For the first time in history, laypeople can participate in the product design and manufacturing process by directly interacting with the underlying hardware and software.
 
Digital-Content Authoring
Found in: IEEE Computer Graphics and Applications
By Takeo Igarashi,Radomír Mech
Issue Date:November 2011
pp. 16-17
This special issue presents recent advances in digital-content-creation techniques, ranging from 3D modeling to behavior authoring and image editing. Although the articles address different problems, they provide a good overview of techniques common to aut...
 
Keynote address: Interactive
Found in: 3D User Interfaces
By Takeo Igarashi
Issue Date:March 2010
pp. x
Current user interfaces are not very
   
Guest Editors' Introduction: Sketch-Based Interaction
Found in: IEEE Computer Graphics and Applications
By Takeo Igarashi, Bob Zeleznik
Issue Date:January 2007
pp. 26-27
Two key research areas must advance before sketch-based interfaces can transition from a collection of individually provocative research prototypes into a computing platform of choice. First, fundamental techniques for segmenting, recognizing, and parsing ...
 
Fluid Visualization of Spreadsheet Structures
Found in: Visual Languages, IEEE Symposium on
By Takeo Igarashi, Jock D. Mackinlay, Bay-Wei Chang, Polle T. Zellweger
Issue Date:September 1998
pp. 118
Spreadsheets augment a visible tabular layout with invisible formulas. Direct manipulations of the tabular layout may or may not result in the desired changes to the formulas. The user is forced to explore the individual cells to find, verify, and modify t...
 
Designing plush toys with a computer
Found in: Communications of the ACM
By Takeo Igarashi, Yuki Igarashi, Yuki Igarashi
Issue Date:December 2009
pp. 81-88
We introduce Plushie, an interactive system that allows nonprofessional users to design their own original plush toys. To design a plush toy, one needs to construct an appropriate two-dimensional (2D) pattern. However, it is difficult for nonprofessional u...
     
Sketch-based Dynamic Illustration of Fluid Systems
Found in: ACM Transactions on Graphics (TOG)
By Bo Zhu, Kazuo Nakazawa, Michiaki Iwata, Nobuyuki Umetani, Ryo Haraguchi, Takashi Ashihara, Takeo Igarashi, Bo Zhu, Kazuo Nakazawa, Michiaki Iwata, Nobuyuki Umetani, Ryo Haraguchi, Takashi Ashihara, Takeo Igarashi
Issue Date:December 2011
pp. 1-15
This paper presents a lightweight sketching system that enables interactive illustration of complex fluid systems. Users can sketch on a 2.5-dimensional (2.5D) canvas to design the shapes and connections of a fluid circuit. These input sketches are automat...
     
Volumetric modeling with diffusion surfaces
Found in: ACM Transactions on Graphics (TOG)
By Andrew Nealen, Kenshi Takayama, Olga Sorkine, Takeo Igarashi, Andrew Nealen, Kenshi Takayama, Olga Sorkine, Takeo Igarashi
Issue Date:December 2010
pp. 1-12
The modeling of volumetric objects is still a difficult problem. Solid texture synthesis methods enable the design of volumes with homogeneous textures, but global features such as smoothly varying colors seen in vegetables and fruits are difficult to mode...
     
Structured annotations for 2D-to-3D modeling
Found in: ACM Transactions on Graphics (TOG)
By Denis Zorin, Takeo Igarashi, Yotam Gingold, Denis Zorin, Takeo Igarashi, Yotam Gingold
Issue Date:December 2009
pp. 1-2
We present a system for 3D modeling of free-form surfaces from 2D sketches. Our system frees users to create 2D sketches from arbitrary angles using their preferred tool, which may include pencil and paper. A 3D model is created by placing primitives and a...
     
Illumination Brush: Interactive Design of All-Frequency Lighting
Found in: Computer Graphics and Applications, Pacific Conference on
By Makoto Okabe, Yasuyuki Matsushita, Li Shen, Takeo Igarashi
Issue Date:November 2007
pp. 171-180
We present an appearance-based user interface for artists to efficiently design customized image-based lighting environments. 1 Our approach avoids typical iterations of parameter editing, rendering, and confirmation by providing a set of intuitive user in...
 
Designing an Augmented Writing Surface
Found in: IEEE Computer Graphics and Applications
By Elizabeth D. Mynatt, Takeo Igarashi, W. Keith Edwards, Anthony LaMarca
Issue Date:July 2000
pp. 55-61
At Xerox Palo Alto Research Center (PARC) we're investigation strategies for augmenting the individual office environment. Our goal is to blur the boundaries between the physical and virtual realms by augmenting common office tools with computational capab...
 
Interactive hexagonal mesh editing for beadwork design
Found in: SIGGRAPH Asia 2012 Posters (SA '12)
By Jun Mitani, Takeo Igarashi, Yuki Igarashi
Issue Date:November 2012
pp. 1-1
Beadwork is the art of connecting beads together with wire. Igarashi et al. [2012] presented an interactive beadwork design system called Beady to help non-professionals design their own 3D beadwork. They observed that existing beadwork designs, especially...
     
Beady: interactive beadwork design and construction
Found in: ACM Transactions on Graphics (TOG)
By Jun Mitani, Takeo Igarashi, Yuki Igarashi
Issue Date:July 2012
pp. 1-9
We introduce the interactive system "Beady" to assist the design and construction of customized 3D beadwork. The user first creates a polygonal mesh model called the design model that represents the overall structure of the beadwork. Each edge of the mesh ...
     
Beady: interactive beadwork design and construction
Found in: SIGGRAPH Asia 2011 Sketches (SA '11)
By Jun Mitani, Takeo Igarashi, Yuki Igarashi
Issue Date:December 2011
pp. 1-2
Beadwork is the art of connecting beads together by wires. While common beadwork is two-dimensional (2D), three-dimensional (3D) beadwork is also popular in oriental regions such as Japan and China. However, the design and construction of 3D beadwork is ve...
     
Automatically adding seam allowance to cloth pattern
Found in: ACM SIGGRAPH 2008 posters (SIGGRAPH '08)
By Hiromasa Suzuki, Takeo Igarashi, Yuki Igarashi
Issue Date:August 2008
pp. 110-110
'Archidemo' is experimental demonstration and research project for enhancing of the possibility of the architecture and environmental design in the 3D-Internet (3Di) space.
     
Lighty: A painting interface for room illumination by robotic light array
Found in: 2012 IEEE International Symposium on Mixed and Augmented Reality (ISMAR)
By Seung-tak Noh,Sunao Hashimoto,Daiki Yamanaka,Youichi Kamiyama,Masahiko Inami,Takeo Igarashi
Issue Date:November 2012
pp. 305-306
We propose an AR-based painting interface that enables users to design an illumination distribution for a real room using an array of computer-controlled lights. Users specify an illumination distribution of the room by painting on the image obtained by a ...
 
Design and evaluation techniques for authoring interactive and stylistic behaviors
Found in: ACM Transactions on Interactive Intelligent Systems (TiiS)
By Daisuke Sakamoto, Ehud Sharlin, James E. Young, Jeffrey Allen, Takeo Igarashi
Issue Date:January 2014
pp. 1-36
We present a series of projects for end-user authoring of interactive robotic behaviors, with a particular focus on the style of those behaviors: we call this approach Style-by-Demonstration (SBD). We provide an overview introduction of three different SBD...
     
Computational manga and anime
Found in: SIGGRAPH Asia 2013 Courses (SA '13)
By Danqing Shi, Tien-Tsin Wong, Ying-Qing Xu, Takeo Igarashi
Issue Date:November 2013
pp. 1-52
Traditional manga (comic) and anime (cartoon) creation are painstaking processes. Even computers are utilized for the content creation, computers are mainly utilized as a naive digital canvas. With the increasing computing power and decreasing cost of CPU ...
     
Facetons: face primitives with adaptive bounds for building 3D architectural models in virtual environment
Found in: Proceedings of the 19th ACM Symposium on Virtual Reality Software and Technology (VRST '13)
By Daisuke Sakamoto, Hsiang-Ting Chen, Naoki Sasaki, Takeo Igarashi
Issue Date:October 2013
pp. 77-82
We present faceton, a geometric modeling primitive designed for building architectural models, using a six degrees of freedom (DoF) input device in a virtual environment (VE). A faceton is given as an oriented point floating in the air and defines a plane ...
     
PacCAM: material capture and interactive 2D packing for efficient material usage on CNC cutting machines
Found in: Proceedings of the 26th annual ACM symposium on User interface software and technology (UIST '13)
By Daniel Saakes, Jun Mitani, Takeo Igarashi, Thomas Cambazard
Issue Date:October 2013
pp. 441-446
The availability of low-cost digital fabrication devices enables new groups of users to participate in the design and fabrication of things. However, software to assist in the transition from design to actual fabrication is currently overlooked. In this pa...
     
View-dependent control of elastic rod simulation for 3D character animation
Found in: Proceedings of the 12th ACM SIGGRAPH/Eurographics Symposium on Computer Animation (SCA '13)
By Takeo Igarashi, Yuki Koyama
Issue Date:July 2013
pp. 73-78
This paper presents view-dependent control of elastic rod simulation for 3D character animation. Elastic rod simulation is often used in character animation to generate motion of passively deforming body parts such as hair, ear, and whiskers. Our goal is t...
     
LightCloth: senseable illuminating optical fiber cloth for creating interactive surfaces
Found in: Proceedings of the SIGCHI Conference on Human Factors in Computing Systems (CHI '13)
By Masahiko Inami, Ryohei Suzuki, Sunao Hashimoto, Takeo Igarashi, Youichi Kamiyama
Issue Date:April 2013
pp. 603-606
This paper introduces an input and output device that enables illumination, bi-directional data communication, and position sensing on a soft cloth. This "LightCloth" is woven from diffusive optical fibers. Since the fibers are arranged in parallel, the cl...
     
Picode: inline photos representing posture data in source code
Found in: Proceedings of the SIGCHI Conference on Human Factors in Computing Systems (CHI '13)
By Daisuke Sakamoto, Jun Kato, Takeo Igarashi
Issue Date:April 2013
pp. 3097-3100
Current programming environments use textual or symbolic representations. While these representations are appropriate for describing logical processes, they are not appropriate for representing raw values such as human and robot posture data, which are nec...
     
LightCloth: senseable illuminating optical fiber cloth for creating interactive surfaces
Found in: CHI '13 Extended Abstracts on Human Factors in Computing Systems (CHI EA '13)
By Masahiko Inami, Ryohei Suzuki, Sunao Hashimoto, Takeo Igarashi, Youichi Kamiyama
Issue Date:April 2013
pp. 2809-2810
We introduce an input and output device that enables illumination, bi-directional data communication, and position sensing on a soft cloth. This "LightCloth" is woven from diffusive optical fibers. Sensor-emitter pairs attached to bundles of contiguous fib...
     
RoboJockey: robotic dance entertainment for all
Found in: SIGGRAPH Asia 2012 Emerging Technologies (SA '12)
By Daisuke Sakamoto, Masahiko Inami, Shigeo Yoshida, Takeo Igarashi, Yuta Sugiura
Issue Date:November 2012
pp. 1-2
RoboJockey is an interface for creating robot behavior and giving people a new entertainment experience with robots, in particular, making robots dance, such as the "Disc jockey" and "Video jockey" (Figure 1, left). The users can create continuous robot da...
     
CursorCamouflage: multiple dummy cursors as a defense against shoulder surfing
Found in: SIGGRAPH Asia 2012 Emerging Technologies (SA '12)
By Fumito Higuchi, Keita Watanabe, Masahiko Inami, Takeo Igarashi
Issue Date:November 2012
pp. 1-2
More and more services and information are being stored on the cloud. Since anybody can access an Internet terminal, it is critical to provide appropriate security mechanisms. One popular approach is to strengthen the protocol and encryption algorithm, whi...
     
SnapRail: a tabletop user interface widget for addressing occlusion by physical objects
Found in: Proceedings of the 2012 ACM international conference on Interactive tabletops and surfaces (ITS '12)
By Daisuke Sakamoto, Genki Furumi, Takeo Igarashi
Issue Date:November 2012
pp. 193-196
The screen of a tabletop computer is often occluded by physical objects such as coffee cups. This makes it difficult to see the virtual elements under the physical objects (visibility) and manipulate them (manipulability). Here we present a user interface ...
     
Pebbles: an interactive configuration tool for indoor robot navigation
Found in: Adjunct proceedings of the 25th annual ACM symposium on User interface software and technology (UIST Adjunct Proceedings '12)
By Haipeng Mi, Kentaro Ishii, Lei Ma, Masahiko Inami, Natsuda Laokulrat, Takeo Igarashi
Issue Date:October 2012
pp. 11-12
This study presents an interactive configuration tool that assists non-expert users to design specific navigation route for mobile robot in an indoor environment. The user places small active markers, called pebbles, on the floor along the desired route in...
     
A thin stretchable interface for tangential force measurement
Found in: Proceedings of the 25th annual ACM symposium on User interface software and technology (UIST '12)
By Masahiko Inami, Takeo Igarashi, Yuta Sugiura
Issue Date:October 2012
pp. 529-536
We have developed a simple skin-like user interface that can be easily attached to curved as well as flat surfaces and used to measure tangential force generated by pinching and dragging interactions. The interface consists of several photoreflectors that ...
     
Sketch-editing games: human-machine communication, game theory and applications
Found in: Proceedings of the 25th annual ACM symposium on User interface software and technology (UIST '12)
By Andre Ribeiro, Takeo Igarashi
Issue Date:October 2012
pp. 287-298
We study uncertainty in graphical-based interaction (with special attention to sketches). We argue that a comprehensive model for the problem must include the interaction participants (and their current beliefs), their possible actions and their past sketc...
     
Shader printer
Found in: ACM SIGGRAPH 2012 Emerging Technologies (SIGGRAPH '12)
By Daniel Saakes, Masahiko Inami, Naoya Koizumi, Ramesh Raskar, Takeo Igarashi
Issue Date:August 2012
pp. 1-1
Recently, spatial augmented reality regained popularity in media arts and in the field of tangible, embedded interaction [Holman and Vertegaal 2008], by using 3D objects as information displays. The advantage of projected graphics is obvious: it allows for...
     
Vignette: a style preserving sketching tool for pen-and-ink illustration with texture synthesis
Found in: ACM SIGGRAPH 2012 Posters (SIGGRAPH '12)
By Kenshi Takayama, Richard C. Davis, Rubaiat Habib Kazi, Shengdong Zhao, Takeo Igarashi
Issue Date:August 2012
pp. 1-1
Pen-and-ink illustrations take significant amounts of skill, artistry, and patience to create. Digital tools are widely used to accelerate the process; but they provide less artistic freedom and cannot easily capture illustrators' personal style. Furthermo...
     
Guided exploration of physically valid shapes for furniture design
Found in: ACM Transactions on Graphics (TOG)
By Niloy J. Mitra, Nobuyuki Umetani, Takeo Igarashi
Issue Date:July 2012
pp. 1-11
Geometric modeling and the physical validity of shapes are traditionally considered independently. This makes creating aesthetically pleasing yet physically valid models challenging. We propose an interactive design framework for efficient and intuitive ex...
     
Style by demonstration for interactive robot motion
Found in: Proceedings of the Designing Interactive Systems Conference (DIS '12)
By Daisuke Sakamoto, James E. Young, Jeffrey Allen, Takeo Igarashi
Issue Date:June 2012
pp. 592-601
As robots continue to enter people's everyday spaces, we argue that it will be increasingly important to consider the robots' movement style as an integral component of their interaction design. That is, aspects of the robot's movement which are not direct...
     
Phybots: a toolkit for making robotic things
Found in: Proceedings of the Designing Interactive Systems Conference (DIS '12)
By Daisuke Sakamoto, Jun Kato, Takeo Igarashi
Issue Date:June 2012
pp. 248-257
There are many toolkits for physical UIs, but most physical UI applications are not locomotive. When the programmer wants to make things move around in the environment, he faces difficulty related to robotics. Toolkits for robot programming, unfortunately,...
     
Situated modeling: a shape-stamping interface with tangible primitives
Found in: Proceedings of the Sixth International Conference on Tangible, Embedded and Embodied Interaction (TEI '12)
By Jun Mitani, Masaki Hirose, Akira Ohgawara, Manfred Lau, Takeo Igarashi
Issue Date:February 2012
pp. 275-282
Existing 3D sketching methods typically allow the user to draw in empty space which is imprecise and lacks tactile feedback. We introduce a shape-stamping interface where users can model with tangible 3D primitive shapes. Each of these shapes represents a ...
     
DressUp: a 3D interface for clothing design with a physical mannequin
Found in: Proceedings of the Sixth International Conference on Tangible, Embedded and Embodied Interaction (TEI '12)
By Amy Wibowo, Daisuke Sakamoto, Jun Mitani, Takeo Igarashi
Issue Date:February 2012
pp. 99-102
This paper introduces DressUp, a computerized system for designing dresses with 3D input using the form of the human body as a guide. It consists of a body-sized physical mannequin, a screen, and tangible prop tools for drawing in 3D on and around the mann...
     
Interactive climbing route design using a simulated virtual climber
Found in: SIGGRAPH Asia 2011 Sketches (SA '11)
By Jonas Pfeil, Jun Mitani, Takeo Igarashi
Issue Date:December 2011
pp. 1-2
Route setting is the process of creating climbing routes for the sport of free climbing. By fastening climbing holds to artificial climbing walls, a route emerges that provides a challenge for climbers. It is a difficult process usually requiring either a ...
     
Cooky: a cooperative cooking robot system
Found in: SIGGRAPH Asia 2011 Emerging Technologies (SA '11)
By Anusha Withana, Daisuke Sakamoto, Masahiko Inami, Masayasu Ogata, Takeo Igarashi, Teruki Shinohara, Yuta Sugiura
Issue Date:December 2011
pp. 1-1
We propose a cooperative cooking robot system that operates with humans in an open environment. The system can cook a meal by pouring various ingredients into a boiling pot on an induction heating cooker and adjusting the heating strength according to a re...
     
PINOKY: a ring that animates your plush toys
Found in: SIGGRAPH Asia 2011 Emerging Technologies (SA '11)
By Anusha Withana, Calista Lee, Masahiko Inami, Takeo Igarashi, Yasutoshi Makino, Yuta Sugiura
Issue Date:December 2011
pp. 1-1
PINOKY is a wireless ring-like device that can be externally attached to any plush toy as an accessory that animates the toy, such as by moving its limbs. A user is thus able to instantly convert any plush toy into a soft robot. The user can control the to...
     
Grab-carry-release: manipulating physical objects in a real scene through a smart phone
Found in: SIGGRAPH Asia 2011 Emerging Technologies (SA '11)
By Bing-Yu Chen, Kai-Yin Cheng, Takeo Igarashi, Yu-Hsiang Lin, Yu-Hsin Lin
Issue Date:December 2011
pp. 1-1
Individuals often discuss how to configure their real world space, such as switching the location of an object, designing furniture layouts or room decorations, shopping for suitable house appliances, or even commanding a robot to perform certain tasks. Ho...
     
Sketch-based Dynamic Illustration of Fluid Systems
Found in: Proceedings of the 2011 SIGGRAPH Asia Conference (SA '11)
By Bo Zhu, Kazuo Nakazawa, Michiaki Iwata, Nobuyuki Umetani, Ryo Haraguchi, Takashi Ashihara, Takeo Igarashi
Issue Date:December 2011
pp. 1-137
This paper presents a lightweight sketching system that enables interactive illustration of complex fluid systems. Users can sketch on a 2.5-dimensional (2.5D) canvas to design the shapes and connections of a fluid circuit. These input sketches are automat...
     
Sketch-based Dynamic Illustration of Fluid Systems
Found in: Proceedings of the 2011 SIGGRAPH Asia Conference (SA '11)
By Bo Zhu, Kazuo Nakazawa, Michiaki Iwata, Nobuyuki Umetani, Ryo Haraguchi, Takashi Ashihara, Takeo Igarashi
Issue Date:December 2011
pp. 1-8
This paper presents a lightweight sketching system that enables interactive illustration of complex fluid systems. Users can sketch on a 2.5-dimensional (2.5D) canvas to design the shapes and connections of a fluid circuit. These input sketches are automat...
     
Sensitive couture for interactive garment modeling and editing
Found in: ACM SIGGRAPH 2011 papers (SIGGRAPH '11)
By Danny M. Kaufman, Eitan Grinspun, Nobuyuki Umetani, Takeo Igarashi
Issue Date:August 2011
pp. 287-294
We present a novel interactive tool for garment design that enables, for the first time, interactive bidirectional editing between 2D patterns and 3D high-fidelity simulated draped forms. This provides a continuous, interactive, and natural design modality...
     
Converting 3D furniture models to fabricatable parts and connectors
Found in: ACM SIGGRAPH 2011 papers (SIGGRAPH '11)
By Akira Ohgawara, Jun Mitani, Manfred Lau, Takeo Igarashi
Issue Date:August 2011
pp. 287-294
Although there is an abundance of 3D models available, most of them exist only in virtual simulation and are not immediately usable as physical objects in the real world. We solve the problem of taking as input a 3D model of a man-made object, and automati...
     
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