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公开(公告)号：US20170262991A1
公开(公告)日：2017-09-14
申请号：US15064490
申请日：2016-03-08
Applicant: Amazon Technologies, Inc.
Inventor： Alexander Adrian Hugh Davidson , Charles Shearer Dorner , Douglas J. Gradt , Jongwoo Lee , Eva Manolis , Maggie McDowell , Ning Yao
CPC classification number: G06T7/344 , G06T3/0068 , G06T3/40 , G06T7/11 , G06T7/162 , G06T7/75 , G06T11/001 , G06T2200/04 , G06T2207/10024 , G06T2207/10028 , G06T2207/30196
Abstract: Features are disclosed for an automatic segmentation and alignment of images for display via an interface. The images may have different scales and lengths. As such, items shown in the images, such as clothing, may not be depicted in a uniform way. Segmentation of the images into image portions where a portion of an image shows a specific item is described. The segmentation may be achieved using models and/or complex image analysis. To provide a realistic view of the subject when image segments are presented together on an interface, additional alignment of the image segments may be performed. The alignment may be achieved using models and/or complex image analysis.
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公开(公告)号：US09759994B1
公开(公告)日：2017-09-12
申请号：US14949276
申请日：2015-11-23
Applicant: Amazon Technologies, Inc.
Inventor： Olusanya Temitope Soyannwo , Renwei Yan , Edward Dietz Crump , Weijian Wang , Samuel Henry Chang , Ning Yao
CPC classification number: G03B21/53 , A63F13/00 , A63F13/213 , A63F13/42 , G02B27/0101 , G02B2027/0138 , G02B2027/014 , G03B17/54 , G06T19/006 , H04N9/317 , H04N9/3185 , H04N9/3188 , H04N9/3194
Abstract: Techniques are described for performing automatic focusing of a projected image on a mobile projection surface. Specific regions of the projected image are identified that are likely to be desired to stay in optimal focus, and attributes of those specific regions, such as sharpness and contrast, can be used to determine the need to refocus the image. Advanced knowledge of the image data being projected can be utilized to determine the specific regions of the projected image that require monitoring for optimal focusing.
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公开(公告)号：US09753119B1
公开(公告)日：2017-09-05
申请号：US14167813
申请日：2014-01-29
Applicant: Amazon Technologies, Inc.
Inventor： Kavitha Velusamy , Ning Yao , Wai Chung Chu , Sowmya Gopalan , Qiang Liu , Rahul Agrawal , Manika Puri
IPC: G01S5/20
CPC classification number: G01S5/20 , G01S5/18 , G01S5/22 , G01S17/023 , G01S17/36 , G01S17/42 , G01S17/46 , G01S17/89
Abstract: A system may utilize sound localization techniques, such as time-difference-of-arrival techniques, to estimate an audio-based sound source position from which a sound originates. An optical image or depth map of an area containing the sound source location may then captured and analyzed to detect an object that is known or expected to have produced the sound. The position of the object may also be determined based on the analysis of the optical image or depth map. The position of the sound source may then be determined based at least in part on the position of the detected object or on a combination of the audio-based sound source position and the determined position of the object.
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公开(公告)号：US11354879B1
公开(公告)日：2022-06-07
申请号：US16733724
申请日：2020-01-03
Applicant: Amazon Technologies, Inc.
Abstract: Techniques are described for detecting a periphery of a surface based on a point set representing the surface. The surface may correspond to a display medium upon which content is projected. A shape model may be matched and aligned to a contour of the point set. A periphery or edge of the surface and corresponding display medium may be determined based on the aligned shape model.
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Patent Agency Ranking
公开(公告)号：US10289203B1
公开(公告)日：2019-05-14
申请号：US13783854
申请日：2013-03-04
Applicant: Amazon Technologies, Inc.
IPC: G06F3/01
Abstract: A number of images of an environment may be obtained over time by a number of sensors. The images may include an input surface and an input object, such as a hand or stylus, that may be utilized by a user to provide an input via the input surface. In some cases, the input may be provided without the input object touching the input surface. The location of the input object with respect to the input surface over time and a speed of the input object over time may be used to determine whether an input has been indicated by the input object without contacting the input surface.
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公开(公告)号：US10026176B2
公开(公告)日：2018-07-17
申请号：US15064490
申请日：2016-03-08
Applicant: Amazon Technologies, Inc.
Inventor： Alexander Adrian Hugh Davidson , Charles Shearer Dorner , Douglas J. Gradt , Jongwoo Lee , Eva Manolis , Maggie McDowell , Ning Yao
Abstract: Features are disclosed for an automatic segmentation and alignment of images for display via an interface. The images may have different scales and lengths. As such, items shown in the images, such as clothing, may not be depicted in a uniform way. Segmentation of the images into image portions where a portion of an image shows a specific item is described. The segmentation may be achieved using models and/or complex image analysis. To provide a realistic view of the subject when image segments are presented together on an interface, additional alignment of the image segments may be performed. The alignment may be achieved using models and/or complex image analysis.
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公开(公告)号：US09870056B1
公开(公告)日：2018-01-16
申请号：US13647188
申请日：2012-10-08
Applicant: Amazon Technologies, Inc.
Inventor： Ning Yao
CPC classification number: G06F3/017 , G06F1/1694 , G06F3/011 , G06F17/30032 , G06K9/00355 , G06K9/00375
Abstract: Techniques for detecting a hand of a user and a pose of the hand are described herein. In some instances, as a user interacts with a computing system through various hand signals, the hand of the user and pose of the hand (e.g., position and orientation) may be detected. To detect a hand, a point set may be analyzed to identify local extremum points (e.g., peaks and valleys) along an outer boundary of the point set. The local extremum points may then be used to identify a potential hand segment including one or more potential finger segments and/or a potential palm segment. When the potential hand segment satisfies one or more criteria, a hand may be detected. To detect a hand pose, an observed pose of the hand segment may be compared to one or more hand pose models.
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公开(公告)号：US09703371B1
公开(公告)日：2017-07-11
申请号：US14753745
申请日：2015-06-29
Applicant: Amazon Technologies, Inc.
Inventor： Ning Yao , Samuel Henry Chang
CPC classification number: G06F3/011 , G06F3/017 , G06F3/0304
Abstract: A virtual user interface in a 3D environment is projected onto a display object, such as an open hand. An operating object, such as a stylus or a second hand with an index finger extended, may be used to select input features of the projected user interface. In one scenario, for example, a telephone keypad may be projected onto the open hand and the index finger may be used to select a particular number on the keypad. Images of the hands may be segmented to produce contours of the finger and open hand, and these contours are used to determine the location of the finger relative to the open hand.
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公开(公告)号：US09390500B1
公开(公告)日：2016-07-12
申请号：US13830564
申请日：2013-03-14
Applicant: Amazon Technologies, Inc.
Inventor： Samuel Henry Chang , Ning Yao
CPC classification number: G06T7/004 , G06F3/011 , G06F3/017 , G06F3/0304 , G06F2203/012 , G06K9/00355 , G06K9/00389 , G06K9/48
Abstract: A number of images of an environment may be obtained over time by a number of sensors. The data obtained by the sensors may be used to generate contours of objects in the environment. In some cases, hands with pointing fingers in the environment may be identified based on the contours of the objects in the environment. In particular, contours having a palm segment and a pointing finger segment may be identified as hands with pointing fingers. In an implementation, 1-dimensional curvature and distance information may be used to identify contours having a palm segment and a pointing finger segment.
Abstract translation: 可以通过多个传感器随时间获得许多环境的图像。 由传感器获得的数据可用于产生环境中物体的轮廓。 在某些情况下，可以根据环境中物体的轮廓来识别手指在环境中的手指。 特别地，具有手掌区段和指向手指区段的轮廓可以被识别为具有指状指的手。 在一个实现中，可以使用一维曲率和距离信息来识别具有手掌区段和指点手指区段的轮廓。
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