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公开(公告)号：US09633439B2
公开(公告)日：2017-04-25
申请号：US14418663
申请日：2013-06-28
Applicant: National Institute of Advanced Industrial Science and Technology , Kagoshima University , Hiroshima City University
Inventor： Ryusuke Sagawa , Hiroshi Kawasaki , Ryo Furukawa
CPC classification number: G06T7/73 , G01B11/2513 , G01B11/2545 , G06T1/0007 , G06T7/521 , G06T2207/10012
Abstract: A high-density shape reconstruction is conducted in measuring animal bodies as well. An image processing system has a projection device, an imaging device, and an image processing apparatus connected to the projection device and the imaging device, wherein the projection device projects a projected pattern to an observation target, the imaging device captures the projected pattern, and the image processing apparatus performs shape reconstruction based on an input image including the projected pattern. The image processing apparatus includes a unit for fetching the input image captured by the imaging device and performing line detection for the projected pattern projected by the projection device, wherein the projected pattern is a grid pattern formed of wave lines; and a unit for performing shape reconstruction by associating intersection points of vertical and horizontal lines extracted by the line detection with the projected pattern.
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公开(公告)号：US11076093B2
公开(公告)日：2021-07-27
申请号：US16479370
申请日：2018-01-15
Inventor： Ryusuke Sagawa
IPC: G06F3/14 , G06T5/20 , H04N5/225 , H04N5/232 , G06T7/521 , G01B11/25 , G06T5/00 , H04B1/7097 , H04N5/455
Abstract: The shape of a moving object is reconstructed from a shot image under relatively-strong ambient light or an embedded image is demodulated from a video image in which an image that may not be visually recognized is embedded to display the image. The image processing method of the present invention includes irradiating flashing light to the surface of the object based on a spreading signal obtained by spread spectrum modulation, receiving reflected light from the surface of the object to output the signal including the image information, a filtering for eliminating noise including a low-frequency component from the signal including the image information, inverse-spreading the signal after the filtering to demodulate the signal, and outputting, based on a signal obtained by the demodulation, an image reflecting the state of the surface of the object.
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公开(公告)号：US20190387164A1
公开(公告)日：2019-12-19
申请号：US16479370
申请日：2018-01-15
Inventor： Ryusuke Sagawa
IPC: H04N5/232 , G06T5/00 , G06T5/20 , H04N5/225 , G06F3/14 , H04N5/455 , G06T7/521 , H04B1/7097 , G01B11/25
Abstract: The shape of a moving object is reconstructed from a shot image under relatively-strong ambient light or an embedded image is demodulated from a video image in which an image that may not be visually recognized is embedded to display the image. The image processing method of the present invention includes irradiating flashing light to the surface of the object based on a spreading signal obtained by spread spectrum modulation, receiving reflected light from the surface of the object to output the signal including the image information, a filtering for eliminating noise including a low-frequency component from the signal including the image information, inverse-spreading the signal after the filtering to demodulate the signal, and outputting, based on a signal obtained by the demodulation, an image reflecting the state of the surface of the object.
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