A gesture-free geometric approach for mid-air expression of design intent in 3D virtual pottery

Vinayak,; Ramani, Karthik

doi:10.1016/j.cad.2015.06.006

Cited by 38 publications

(6 citation statements)

References 40 publications

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“…Existing approaches create parametric surface patches from mid-air gesturing (Fuge et al, 2012) or spatial line sketches (Bhattacharjee and Chaudhuri, 2022). Researchers also developed an approach for 3D shape modelling from hand poses without predefined gestures (Vinayak and Ramani, 2015). Applying these findings to the hybrid workstation could allow the users to intuitively manipulate freeform surfaces, as shown in Figure 4, centre.…”

Section: Implicit Manipulation Of Freeform Surfacesmentioning

confidence: 99%

Use Cases for a Hybrid Augmented Reality Computer Workstation in Cad Workflows

2023

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Many immersive approaches for design activities show a great potential for their specific use cases, but still overall usage of extended reality technology in product developers day-to-day work is little. The user's workflow between classical desktop work environment and its immersive counterpart is interrupted by both a data gap and an interface gap. The three-dimensional product data usually needs preparation and the user has to physically change the interface in use. The hybrid augmented reality computer workstation aims to close these gaps. A hologram of the current model is visualized next to the screen in reach of the user for intuitive inspection and spatial interactions. In this paper we present use cases for this novel immersive workstation in the CAD workflow. An explorative user study of the typical product designer`s workflow reveals the most common activities. Guided by those, eight uses cases are formulated and classified into fundamental, drafting, and modelling CAD tasks. These cases include novel hybrid augmented reality interactions derived from literature, which are assessed with respect to their applicability.

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Section: Implicit Manipulation Of Freeform Surfacesmentioning

confidence: 99%

Use Cases for a Hybrid Augmented Reality Computer Workstation in Cad Workflows

2023

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“…In a subsequent study, the authors proposed Smart3DGuides [MSA19], a mechanism to automatically provide visual assistance by analyzing the user's gaze, controller position and orientation and previous strokes in the VR environment, to increase the overall quality of the drawn shapes. Other approaches include gesture-free methods [VR15] and mixed-reality strategies for the direct creation of 3D shapes on and around physical objects using the 'sketch-and-inflate' scheme [HR16]. In all cases, these VR-based sketching environment use models that are not procedural.…”

Section: A Synergistic Approach To Sbm Researchmentioning

confidence: 99%

Sketch-Based Modeling in Mechanical Engineering Design: Current Status and Opportunities

Camba

Company

Naya

2022

Computer-Aided Design

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“…Since 3D and mid-air hand gesture controls are natural, intuitive and sanitary [1,2,3], the number of applications have increased significantly. The contexts include interactive navigation systems in museum [4], surgical imaging systems [1,2], interactive public displays [5], and 3D modelling [6]. Based on the number and trajectory of hands, mid-air gestures could be classified as one or two hands, linear or circular movements, and different degrees of freedom in path (1D, 2D, or 3D) [7].…”

Section: Literature Reviewmentioning

confidence: 99%

The Common Characteristics of User-Defined and Mid-Air Gestures for Rotating 3D Digital Contents

Chen

Cheng

Chu

et al. 2016

Lecture Notes in Computer Science

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Recently, the technology of mid-air gestures for manipulating 3D digital contents has become an important research issue. In order to conform to the needs of users and contexts, eliciting user-defined gestures is inevitable. However, it was reported that user-defined hand gestures tended to vary significantly in posture, motion and speed, making it difficult to identify common characteristics. In this research, the authors conducted an experiment to study the intuitive hand gestures for controlling the rotation of 3D digital furniture. Twenty graduate students majored in Industrial Design were invited to participate in the task. Although there were great varieties among different participants, common characteristics were extracted through systematic behavior coding and analysis. The results indicated that open palm and D Handshape (American Sign Language) were the most intuitive hand poses. In addition, moving hands along the circumference of a horizontal circle was the most intuitive hand motion and trajectory.

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A gesture-free geometric approach for mid-air expression of design intent in 3D virtual pottery

Abstract: Please cite this article as: Vinayak , Ramani K. A gesture-free geometric approach for mid-air expression of design intent in 3d virtual pottery. Computer-Aided Design (2015), http://dx.

Cited by 38 publications

References 40 publications

Use Cases for a Hybrid Augmented Reality Computer Workstation in Cad Workflows

Use Cases for a Hybrid Augmented Reality Computer Workstation in Cad Workflows

Sketch-Based Modeling in Mechanical Engineering Design: Current Status and Opportunities

The Common Characteristics of User-Defined and Mid-Air Gestures for Rotating 3D Digital Contents

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