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公开(公告)号：US20180197047A1
公开(公告)日：2018-07-12
申请号：US15913118
申请日：2018-03-06
发明人： David Nister , Piotr Dollar , Wolf Kienzle , Mladen Radojevic , Matthew S. Ashman , Ivan Stojiljkovic , Magdalena Vukosavljevic
摘要： A method of object detection includes receiving a first image taken from a first perspective by a first camera and receiving a second image taken from a second perspective, different from the first perspective, by a second camera. Each pixel in the first image is offset relative to a corresponding pixel in the second image by a predetermined offset distance resulting in offset first and second images. A particular pixel of the offset first image depicts a same object locus as a corresponding pixel in the offset second image only if the object locus is at an expected object-detection distance from the first and second cameras. The method includes recognizing that a target object is imaged by the particular pixel of the offset first image and the corresponding pixel of the offset second image.
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公开(公告)号：US09881224B2
公开(公告)日：2018-01-30
申请号：US14109001
申请日：2013-12-17
IPC分类号： G06K9/00 , G06K9/34 , G06F3/0488 , G06K9/22 , G06T1/00
CPC分类号： G06K9/34 , G06F3/04883 , G06K9/00402 , G06K9/00416 , G06K9/222 , G06T1/0007
摘要： A “Stroke Untangler” composes handwritten messages from handwritten strokes representing overlapping letters or partial letter segments are drawn on a touchscreen device or touch-sensitive surface. These overlapping strokes are automatically untangled and then segmented and combined into one or more letters, words, or phrases. Advantageously, segmentation and composition is performed without requiring user gestures, timeouts, or other inputs to delimit characters within words, and without using handwriting recognition-based techniques to guide untangling and composing of the overlapping strokes to form characters. In other words, the user draws multiple overlapping strokes. Those strokes are then automatically segmented and combined into one or more corresponding characters. Text recognition of the resulting characters is then performed. Further, the segmentation and combination is performed in real-time, thereby enabling real-time rendering of the resulting characters in a user interface window. A related drawing mode enables entry of drawings in combination with the handwritten characters.
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公开(公告)号：US09762846B2
公开(公告)日：2017-09-12
申请号：US14708154
申请日：2015-05-08
CPC分类号： H04N5/77 , G06T7/00 , G06T7/246 , G06T2207/10016 , G06T2207/30244 , G11B27/02 , H04N5/23267 , H04N5/262 , H04N5/2625 , H04N5/783
摘要： Various technologies described herein pertain to creation of an output hyper-lapse video from an input video. Values indicative of overlaps between pairs of frames in the input video are computed. A value indicative of an overlap between a pair of frames can be computed based on a sparse set of points from each of the frames in the pair. Moreover, a subset of the frames from the input video are selected based on the values of the overlaps between the pairs of the frames in the input video and a target frame speed-up rate. Further, the output hyper-lapse video is generated based on the subset of the frames. The output hyper-lapse video can be generated without a remainder of the frames of the input video other than the subset of the frames.
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公开(公告)号：US10592778B2
公开(公告)日：2020-03-17
申请号：US15913118
申请日：2018-03-06
发明人： David Nister , Piotr Dollar , Wolf Kienzle , Mladen Radojevic , Matthew S. Ashman , Ivan Stojiljkovic , Magdalena Vukosavljevic
摘要： A method of object detection includes receiving a first image taken from a first perspective by a first camera and receiving a second image taken from a second perspective, different from the first perspective, by a second camera. Each pixel in the first image is offset relative to a corresponding pixel in the second image by a predetermined offset distance resulting in offset first and second images. A particular pixel of the offset first image depicts a same object locus as a corresponding pixel in the offset second image only if the object locus is at an expected object-detection distance from the first and second cameras. The method includes recognizing that a target object is imaged by the particular pixel of the offset first image and the corresponding pixel of the offset second image.
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公开(公告)号：US09880620B2
公开(公告)日：2018-01-30
申请号：US15287500
申请日：2016-10-06
发明人： Wolf Kienzle , Kenneth P. Hinkley
IPC分类号： G06F3/01 , G06F3/0484 , G06F3/0346 , G06F3/033 , G06F3/038
CPC分类号： G06F3/014 , G06F3/017 , G06F3/033 , G06F3/0346 , G06F3/0383 , G06F3/0484 , G06F2203/0331
摘要： The description relates to a smart ring. In one example, the smart ring can be configured to be worn on a first segment of a finger of a user. The example smart ring can include at least one flexion sensor secured to the smart ring in a manner that can detect a distance between the at least one flexion sensor and a second segment of the finger. The example smart ring can also include an input component configured to analyze signals from the at least one flexion sensor to detect a pose of the finger.
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公开(公告)号：US09934451B2
公开(公告)日：2018-04-03
申请号：US13926882
申请日：2013-06-25
发明人： David Nister , Piotr Dollar , Wolf Kienzle , Mladen Radojevic , Matthew S. Ashman , Ivan Stojiljkovic , Magdalena Vukosavljevic
CPC分类号： G06K9/6256 , G06F3/017 , G06K9/00375 , G06K9/00536 , G06K9/6292 , G06T7/73
摘要： A method of object detection includes receiving a first image taken by a first stereo camera, receiving a second image taken by a second stereo camera, and offsetting the first image relative to the second image by an offset distance selected such that each corresponding pixel of offset first and second images depict a same object locus if the object locus is at an assumed distance from the first and second stereo cameras. The method further includes locating a target object in the offset first and second images.
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公开(公告)号：US20170359548A1
公开(公告)日：2017-12-14
申请号：US15666658
申请日：2017-08-02
CPC分类号： H04N5/77 , G06T7/00 , G06T7/246 , G06T2207/10016 , G06T2207/30244 , G11B27/02 , H04N5/23267 , H04N5/262 , H04N5/2625 , H04N5/783
摘要： Various technologies described herein pertain to creation of an output hyper-lapse video from an input video. Values indicative of overlaps between pairs of frames in the input video are computed. A value indicative of an overlap between a pair of frames can be computed based on a sparse set of points from each of the frames in the pair. Moreover, a subset of the frames from the input video are selected based on the values of the overlaps between the pairs of the frames in the input video and a target frame speed-up rate. Further, the output hyper-lapse video is generated based on the subset of the frames. The output hyper-lapse video can be generated without a remainder of the frames of the input video other than the subset of the frames.
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公开(公告)号：US20210406578A1
公开(公告)日：2021-12-30
申请号：US17447665
申请日：2021-09-14
IPC分类号： G06K9/34 , G06F3/0488 , G06K9/22 , G06T1/00 , G06K9/00
摘要： A “Stroke Untangler” composes handwritten messages from handwritten strokes representing overlapping letters or partial letter segments are drawn on a touchscreen device or touch-sensitive surface. These overlapping strokes are automatically untangled and then segmented and combined into one or more letters, words, or phrases. Advantageously, segmentation and composition is performed without requiring user gestures, timeouts, or other inputs to delimit characters within words, and without using handwriting recognition-based techniques to guide untangling and composing of the overlapping strokes to form characters. In other words, the user draws multiple overlapping strokes. Those strokes are then automatically segmented and combined into one or more corresponding characters. Text recognition of the resulting characters is then performed. Further, the segmentation and combination is performed in real-time, thereby enabling real-time rendering of the resulting characters in a user interface window. A related drawing mode enables entry of drawings in combination with the handwritten characters.
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公开(公告)号：US09973727B2
公开(公告)日：2018-05-15
申请号：US15666658
申请日：2017-08-02
CPC分类号： H04N5/77 , G06T7/00 , G06T7/246 , G06T2207/10016 , G06T2207/30244 , G11B27/02 , H04N5/23267 , H04N5/262 , H04N5/2625 , H04N5/783
摘要： Various technologies described herein pertain to creation of an output hyper-lapse video from an input video. Values indicative of overlaps between pairs of frames in the input video are computed. A value indicative of an overlap between a pair of frames can be computed based on a sparse set of points from each of the frames in the pair. Moreover, a subset of the frames from the input video are selected based on the values of the overlaps between the pairs of the frames in the input video and a target frame speed-up rate. Further, the output hyper-lapse video is generated based on the subset of the frames. The output hyper-lapse video can be generated without a remainder of the frames of the input video other than the subset of the frames.
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公开(公告)号：US20180129897A1
公开(公告)日：2018-05-10
申请号：US15865236
申请日：2018-01-08
IPC分类号： G06K9/34 , G06K9/00 , G06T1/00 , G06K9/22 , G06F3/0488
CPC分类号： G06K9/34 , G06F3/04883 , G06K9/00402 , G06K9/00416 , G06K9/222 , G06T1/0007
摘要： A “Stroke Untangler” composes handwritten messages from handwritten strokes representing overlapping letters or partial letter segments are drawn on a touchscreen device or touch-sensitive surface. These overlapping strokes are automatically untangled and then segmented and combined into one or more letters, words, or phrases. Advantageously, segmentation and composition is performed without requiring user gestures, timeouts, or other inputs to delimit characters within words, and without using handwriting recognition-based techniques to guide untangling and composing of the overlapping strokes to form characters. In other words, the user draws multiple overlapping strokes. Those strokes are then automatically segmented and combined into one or more corresponding characters. Text recognition of the resulting characters is then performed. Further, the segmentation and combination is performed in real-time, thereby enabling real-time rendering of the resulting characters in a user interface window. A related drawing mode enables entry of drawings in combination with the handwritten characters.
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