公开(公告)号：US20200053342A1

公开(公告)日：2020-02-13

申请号：US16541453

申请日：2019-08-15

Applicant: GoPro, Inc.

Inventor： Timothy Macmillan ,  Scott Patrick Campbell ,  David A. Newman ,  Yajie Sun

IPC: H04N13/246 ,  H04N17/00 ,  H04N13/296 ,  H04N5/247 ,  H04N13/239 ,  H04N5/232 ,  H04N5/265 ,  H04N5/353 ,  H04N13/00

Abstract: A pair of cameras having an overlapping field of view is aligned based on images captured by image sensors of the pair of cameras. A pixel shift is identified between the images. Based on the identified pixel shift, a calibration is applied to one or both of the pair of cameras. To determine the pixel shift, the camera applies correlation methods including edge matching. Calibrating the pair of cameras may include adjusting a read window on an image sensor. The pixel shift can also be used to determine a time lag, which can be used to synchronize subsequent image captures.

公开(公告)号：US10520787B2

公开(公告)日：2019-12-31

申请号：US15603383

申请日：2017-05-23

Applicant: GoPro, Inc.

Inventor： Scott Patrick Campbell

IPC: G02F1/29 ,  G02F1/1347 ,  H04N5/225 ,  G02B5/32 ,  G03H1/02

Abstract: A camera system includes an image sensor assembly and a tunable optical element. The tunable optical element is a gradient index (GRIN) lens created from a polymer dispersed liquid crystal and a coupled control element. The GRIN lens is tunable by applying an electric field to the optical element via a control element. The control element applies a voltage differential to the optical element inducing an electric field which changes the polarization of the PDLC within the optical element. The electrodes of the control element can include sheet resistors with a radially dependent voltage drop. The refractive index of the GRIN lens is dependent on the polarization of the liquid crystals within the optical element. Applying the electric field to the tunable element changes the optical properties of the grating.

公开(公告)号：US20190289173A1

公开(公告)日：2019-09-19

申请号：US16298567

申请日：2019-03-11

Applicant: GoPro, Inc.

Inventor： Scott Patrick Campbell ,  Matthew Stephen Whalen

IPC: H04N5/225 ,  H04N5/232

Abstract: A camera system includes an array of image sensor assemblies, relay lenses and image processing electronics internal to the camera housing. The image sensor assemblies and relay lenses rotate about the rotation axis such that the image sensor assembly captures light focused into the camera housing by a main imaging lens on an external surface of the camera housing. The camera system is configured to capture images using the lens assemblies and process the images as they are read from the image sensors into a high frame rate video stream. The camera system may be able to configure elements of the camera system to improve the quality of the images used in the video stream.

公开(公告)号：US20190260901A1

公开(公告)日：2019-08-22

申请号：US16401529

申请日：2019-05-02

Applicant: GoPro, Inc.

Inventor： Scott Patrick Campbell ,  David A. Newman ,  Brian G. Schunck

IPC: H04N1/21 ,  H04N5/232 ,  H04N5/341 ,  H04N19/426 ,  H04N19/423 ,  H04N9/04 ,  H04N19/91 ,  H04N5/335 ,  H04N19/137 ,  H04N19/156 ,  H04N19/172 ,  H04N19/625 ,  H04N19/63 ,  H04N1/00 ,  H04N5/374

Abstract: Systems and methods are disclosed that capture and compress frames of pixel data. In an implementation, an image sensor chip is configured to convert light into pixel data and generate compressed pixel data at a variable compression rate including applying a transform to pixel data associated with a pixel category from a plurality of pixel categories. The variable compression rate is within an available bandwidth of an output bus configured to output the compressed pixel data.

公开(公告)号：US10277989B2

公开(公告)日：2019-04-30

申请号：US15356375

申请日：2016-11-18

Applicant: GoPro, Inc.

Inventor： Scott Patrick Campbell ,  Leo Baldwin ,  Gary Fong

IPC: G01H9/00 ,  H04R23/00

Abstract: An opto-acoustic transducer may include a light source, a substrate, a top layer, an interstitial layer, a lens, and a detector array. The light source may generate light beams. The substrate may reflect the light beams generated by the light source. The top layer may modulate responsive to an acoustical wave impingent thereupon and may reflect the light beams generated by the light source. The interstitial layer may be between the substrate and the top layer and may include a cavity which acts as an optical collector. The lens may propagate the light beams reflected by the substrate and the light beams reflected by the top layer. The detector array may reconstruct the acoustical wave impingent on the top layer based on the light beams propagated by the lens.

公开(公告)号：US10205880B2

公开(公告)日：2019-02-12

申请号：US15784086

申请日：2017-10-14

Applicant: GoPro, Inc.

Inventor： Erich Tisch ,  Fabrice Barbier ,  Scott Patrick Campbell

IPC: H04N5/76 ,  H04N5/232 ,  H04N1/21 ,  G06T7/20 ,  H04R3/00 ,  H04N101/00

Abstract: A camera is configured with multiple microphones to reduce wind noise in audio data collected by the camera. The camera receives motion data, which may comprise data indicating acceleration of the camera, a plurality of video frames received by the camera, or a background level of noise associated with one or more microphones configured on the camera. The camera determines a motion vector from the motion data. The motion vector is parallel to the direction of motion of the camera. The camera selects a subset of one or more microphones in the direction of the motion vector. By recording audio data using the one or more selected microphones, the camera reduces wind noise in the audio data.

公开(公告)号：US10200636B2

公开(公告)日：2019-02-05

申请号：US14921410

申请日：2015-10-23

Applicant: GoPro, Inc.

Inventor： Timothy MacMillan ,  Scott Patrick Campbell

IPC: H04N5/225 ,  H04N7/00 ,  H04N7/18 ,  H04N5/341 ,  G06T3/00 ,  H04N5/262 ,  H04N5/232 ,  G06T5/50 ,  G06T5/00 ,  H04N5/247 ,  G06T3/40 ,  G06T7/33

Abstract: Multiple cameras are arranged in an array at a pitch, roll, and yaw that allow the cameras to have adjacent fields of view such that each camera is pointed inward relative to the array. The read window of an image sensor of each camera in a multi-camera array can be adjusted to minimize the overlap between adjacent fields of view, to maximize the correlation within the overlapping portions of the fields of view, and to correct for manufacturing and assembly tolerances. Images from cameras in a multi-camera array with adjacent fields of view can be manipulated using low-power warping and cropping techniques, and can be taped together to form a final image.

公开(公告)号：US20190005987A1

公开(公告)日：2019-01-03

申请号：US16105304

申请日：2018-08-20

Applicant: GoPro, Inc.

Inventor： Scott Patrick Campbell ,  Zhinian Jing ,  Timothy Macmillan ,  David A. Newman ,  Balineedu Chowdary Adsumilli

IPC: G11B27/30 ,  H04N9/82 ,  H04N9/806 ,  H04N5/232 ,  H04N5/77

CPC classification number: G11B27/3081 ,  H04N5/23238 ,  H04N5/77 ,  H04N9/806 ,  H04N9/8205 ,  H04N9/8211

Abstract: A spherical content capture system captures spherical video and audio content. In one embodiment, captured metadata or video/audio processing is used to identify content relevant to a particular user based on time and location information. The platform can then generate an output video from one or more shared spherical content files relevant to the user. The output video may include a non-spherical reduced field of view such as those commonly associated with conventional camera systems. Particularly, relevant sub-frames having a reduced field of view may be extracted from each frame of spherical video to generate an output video that tracks a particular individual or object of interest. For each sub-frame, a corresponding portion of an audio track is generated that includes a directional audio signal having a directionality based on the selected sub-frame.

公开(公告)号：US10148882B2

公开(公告)日：2018-12-04

申请号：US15444972

申请日：2017-02-28

Applicant: GoPro, Inc.

Inventor： Paul Mobbs ,  Scott Patrick Campbell ,  David A. Newman ,  Kasturi Rangam ,  Sumit Chawla

IPC: H04N5/232 ,  H04N1/21 ,  H04N5/353 ,  H04N5/355 ,  H04N101/00

Abstract: Systems and methods are provided that capture and process frames of frame data. An image sensor captures frames of frame data representative of light incident upon the image sensor using a rolling shutter and outputs the frames of frame data. The image sensor captures at least one of the frames over a frame capture interval and then waits over a blanking interval before capturing another frame. A buffer receives and stores the frames output by the image sensor. An image signal processor retrieves the frames from the buffer and processes the frames over successive frame processing intervals to generate a video having a time interval per frame greater than the frame capture interval. At least one of the successive frame processing intervals is greater than the frame capture interval and is less than or equal to a sum of the frame capture interval and the blanking interval.

公开(公告)号：US20180338060A1

公开(公告)日：2018-11-22

申请号：US16050305

申请日：2018-07-31

Applicant: GoPro, Inc.

Inventor： Scott Patrick Campbell ,  David A. Newman ,  Brian G. Schunck

IPC: H04N1/21 ,  H04N9/04 ,  H04N5/374 ,  H04N5/341 ,  H04N5/335 ,  H04N5/232 ,  H04N1/00 ,  H04N19/137 ,  H04N19/63 ,  H04N19/625 ,  H04N19/426 ,  H04N19/423 ,  H04N19/172 ,  H04N19/156 ,  H04N19/91

CPC classification number: H04N1/2137 ,  H04N1/00209 ,  H04N5/23206 ,  H04N5/335 ,  H04N5/341 ,  H04N5/374 ,  H04N9/045 ,  H04N19/0049 ,  H04N19/137 ,  H04N19/156 ,  H04N19/172 ,  H04N19/423 ,  H04N19/426 ,  H04N19/625 ,  H04N19/63 ,  H04N19/91

Abstract: Systems and methods are disclosed that capture and compress frames of pixel data. In an implementation, an image sensor chip is configured to convert light into pixel data and generate compressed pixel data at a variable compression rate including applying a transform to pixel data associated with a pixel category from a plurality of pixel categories. The variable compression rate is within an available bandwidth of an output bus configured to output the compressed pixel data.