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检索条件"主题词=real-time 3D object reconstruction"

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An Infrared-Based depth Camera for Gesture-Based Control of Virtual Environments

An Infrared-Based Depth Camera for Gesture-Based Control of ...

引用

IEEE International Conference on Computational Intelligence and Virtual Environments for Measurement Systems and Applications (CIVEMSA)

作者： Ionescu, dan Suse, Viorel Gadea, Cristian Solomon, Bogdan Ionescu, Bogdan Islam, Shahidul Univ Ottawa Sch Elect Engn & Comp Sci Ottawa ON Canada Mgestyk Technol Inc Ottawa ON Canada

ISBN: (纸本)9781467347037

Gesture Control dominates presently the research on new human computer interfaces. The domain covers both the sensors to capture gestures and also the driver software which interprets the gesture mapping it onto a robust command. More recently, there is a trend to use depth-mapping camera as the 2d cameras fall short in assuring the conditions of real-time robustness of the whole system. As image processing is at the core of the detection, recognition, and tracking the gesture, depth mapping sensors have to provide a depth image insensitive to illumination conditions. Thus depth-mapping cameras work in a certain wavelength of the infrared (IR) spectrum. In this paper, a novel real-time depth-mapping principle for an IR camera is introduced. The new IR camera architecture comprises an illuminator module which is pulse-modulated via a monotonic function using a cycle driven feedback loop for the control of laser intensity, while the reflected infrared light is captured in "slices" of the space in which the object of interest is situated. A reconflgurable hardware architecture unit calculates the depth slices and combines them in a depth-map of the object to be further used in the detection, tracking, and recognition of the gesture made by the user. Images of real objects are reconstructed in 3d based on the data obtained by the space-slicing technique, and a corresponding image processing algorithm builds the 3d map of the object in real-time. As this paper will show through a series of experiments, the camera can be used in a variety of domains, including for gesture control of 3d objects in virtual environments.

关键词： 3d camera technology real-time 3d object reconstruction infrared cameras gesture control virtual environments

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A New NIR Camera for Gesture Control of Electronic devices

A New NIR Camera for Gesture Control of Electronic Devices

引用

8th IEEE International Symposium on Applied Computational Intelligence and Informatics (SACI)

作者： Ionescu, dan Suse, Viorel Gadea, Cristian Solomon, Bogdan Ionescu, Bogdan Islam, Shahidul Univ Ottawa Sch Elect Engn & Comp Sci Ottawa ON Canada Mgestyk Technol Inc Ottawa ON Canada

ISBN: (纸本)9781467364003;9781467363976

Since the introduction Gesture Control technology in the electronic gaming technology a series of attempts have been made to deploy it also on other domains such as robotics, teaching, medical, automotive and many others. Human gesture used for Man-Machine Interaction became attractive as it offers a simpler way of controlling sophisticated devices, in a sci-fi-like scenario, in return of an increasingly computational power required by the artificial intelligence algorithms needed to detect, track and recognize them. There have been attempts to bring a solution to it by using 2d or 3d based image processing methods. There is a clear balance incline towards 3d methods in the consumer product as besides the almost insurmountable difficulties for producing robust and stable results, the price constraint added supplementary hurdles. As perfect illumination conditions are core factors in obtaining the above results, the infrared light was unanimously adopted by the domain technologies. In this paper, a novel real-time depth-mapping principle and a corresponding hardware solution for an IR depth-mapping camera is introduced. The new IR camera architecture comprises an illuminator module which is pulsed and modulated via a monotonic function using a phase-locked loop control for the laser intensity, while the reflected infrared light is captured during the increasing and decreasing monotonic function. A reconfigurable hardware architecture (RHA) unit calculates the depth and controls the IR waves in synchronism with the infrared sensor. The resolution of the depth map is variable depending on the resolution and gating possibilities of the image sensor. A sensor of 1 megapixel is used, providing a resolution of 1024x1024. Images of real objects are reconstructed in 3d based on the data obtained by the laser controlled by the RHA. A corresponding image processing algorithm builds the 3d map of the object in real-time. In this paper the camera is used to control consumer elec

关键词： 3d camera technology real-time 3d object reconstruction infrared cameras gesture control virtual environments

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A New Infrared 3d Camera for Gesture Control

A New Infrared 3D Camera for Gesture Control

引用

IEEE International Instrumentation and Measurement Technology Conference (I2MTC)

作者： Ionescu, dan Suse, Viorel Gadea, Cristian Solomon, Bogdan Ionescu, Bogdan Islam, Shahidul Univ Ottawa Sch Elect Engn & Comp Sci Ottawa ON Canada

ISBN: (纸本)9781467346214

Gesture Control is a subject which has been investigated almost from the beginning of using terminals to interact with the computer central unit. The advent of Kinect, has sparked a series of efforts to apply gesture control not only in gaming, but rather in controlling TVs or set-top boxes, PCs, laptops, and others. Gestures have been captured by various sensors, either triggering some binary events using primitive methods like mounting diodes around the bezel of the monitor and sensing the passage of the hand over them, or trying to interpret gestures using a camera and complex image processing algorithms based on learning machines techniques. By using special infrared (IR) illumination, it is now possible to obtain robust and stable real-time interaction between the user and the computer. Existing 3d cameras, however, require exotic hardware components, multiple image sensors, or structured IR light projected onto the user. In this paper, a novel real-time depth-mapping principle and IR camera is introduced. The new IR camera architecture comprises an illuminator module which is pulsed and modulated via a monotonic function using a phase-locked loop control for the laser intensity, while the reflected infrared light is captured in "slices" of the space in which the object of interest is situated. A reconfigurable hardware architecture unit calculates the depth slices and combines them in a depth-map of the object. The depth map is further used in the detection, tracking, and recognition of the gesture made by the user. The resolution is variable depending on the resolution and gating possibilities of the image sensor. A sensor of 1 megapixel is used, providing a resolution of 1024x1024. Images of real objects are reconstructed in 3d based on the data obtained by the laser slicing technique, and a corresponding image processing algorithm builds the 3d map of the object in real-time. As this paper will show through a series of experiments, the camera can be used in

关键词： 3d camera technology real-time 3d object reconstruction infrared cameras gesture control virtual environments

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An Infrared-Based depth Camera for Gesture-Based Control of Virtual Environments

An Infrared-Based Depth Camera for Gesture-Based Control of ...

引用

IEEE International Conference on Computational lntelligence and Virtual Environments for Measurement Systems and Applications

作者： dan Ionescu Viorel Suse Cristian Gadea Bogdan Solomon Bogdan Ionescu Shahidul Islam School of Electrical Engineering and Computer Science University of Ottawa Mgestyk Technologies Inc.

ISBN: (纸本)9781467347020

Gesture Control dominates presently the research on new human computer interfaces. The domain covers both the sensors to capture gestures and also the driver software which interprets the gesture mapping it onto a robust command. More recently, there is a trend to use depth-mapping camera as the 2d cameras fall short in assuring the conditions of real-time robustness of the whole system. As image processing is at the core of the detection, recognition, and tracking the gesture, depth mapping sensors have to provide a depth image insensitive to illumination conditions. Thus depth-mapping cameras work in a certain wavelength of the infrared (IR) spectrum. In this paper, a novel real-time depth-mapping principle for an IR camera is introduced. The new IR camera architecture comprises an illuminator module which is pulse-modulated via a monotonic function using a cycle driven feedback loop for the control of laser intensity, while the reflected infrared light is captured in "slices" of the space in which the object of interest is situated. A reconfigurable hardware architecture unit calculates the depth slices and combines them in a depth-map of the object to be further used in the detection, tracking, and recognition of the gesture made by the user. Images of real objects are reconstructed in 3d based on the data obtained by the space-slicing technique, and a corresponding image processing algorithm builds the 3d map of the object in real-time. As this paper will show through a series of experiments, the camera can be used in a variety of domains, including for gesture control of 3d objects in virtual environments.

关键词： 3d camera technology real-time 3d object reconstruction Infrared cameras Gesture control Virtual environments Virtual environments Gestures INFRAREd CAMERA Cameras

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A New Infrared 3d Camera for Gesture Control

A New Infrared 3D Camera for Gesture Control

引用

IEEE International Instrumentation and Measurement Technology Conference

作者： dan Ionescu Viorel Suse Cristian Gadea Bogdan Solomon Bogdan Ionescu Shahidul Islam School of Electrical Engineering and Computer Science University of Ottawa Ottawa Canada Mgestyk Technologies Inc. Ottawa Canada

ISBN: (纸本)9781467346214

Gesture Control is a subject which has been investigated almost from the beginning of using terminals to interact with the computer central unit. The advent of Kinect, has sparked a series of efforts to apply gesture control not only in gaming, but rather in controlling TVs or set-top boxes, PCs, laptops, and others. Gestures have been captured by various sensors, either triggering some binary events using primitive methods like mounting diodes around the bezel of the monitor and sensing the passage of the hand over them, or trying to interpret gestures using a camera and complex image processing algorithms based on learning machines techniques. By using special infrared (IR) illumination, it is now possible to obtain robust and stable real-time interaction between the user and the computer. Existing 3d cameras, however, require exotic hardware components, multiple image sensors, or structured IR light projected onto the user. In this paper, a novel real-time depth-mapping principle and IR camera is introduced. The new IR camera architecture comprises an illuminator module which is pulsed and modulated via a monotonic function using a phase-locked loop control for the laser intensity, while the reflected infrared light is captured in "slices" of the space in which the object of interest is situated. A reconfigurable hardware architecture unit calculates the depth slices and combines them in a depth-map of the object. The depth map is further used in the detection, tracking, and recognition of the gesture made by the user. The resolution is variable depending on the resolution and gating possibilities of the image sensor. A sensor of 1 megapixel is used, providing a resolution of 1024×1024. Images of real objects are reconstructed in 3d based on the data obtained by the laser slicing technique, and a corresponding image processing algorithm builds the 3d map of the object in real-time. As this paper will show through a series of experiments, the camera can be used in

关键词： 3d camera technology real-time 3d object reconstruction infrared cameras gesture control virtual environments

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