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公开(公告)号：US10771766B2
公开(公告)日：2020-09-08
申请号：US16359721
申请日：2019-03-20
Applicant: MediaTek Inc.
Inventor： Han-Yang Wang , Yu-Chun Chen , Po-Hao Huang , Chao-Chung Cheng , Ying-Jui Chen , Te-Hao Chang
IPC: H04N13/25 , H04N5/33 , H04N13/254 , H04N13/257
Abstract: Various examples with respect to method and apparatus for active stereo vision are described. An apparatus may include an electromagnetic (EM) wave emitter, a first sensor and a second sensor. During operation, the EM wave emitter emits EM waves toward a scene, the first sensor captures a first image of the scene in an infrared (IR) spectrum, and the second sensor captures a second image of the scene in a light spectrum. The first image and second image, when processed, may enable active stereo vision.
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公开(公告)号：US10764512B2
公开(公告)日：2020-09-01
申请号：US16296317
申请日：2019-03-08
Applicant: MEDIATEK INC.
Inventor： Ping-Han Lee , Te-Hao Chang
IPC: H04N5/232 , H04N5/225 , H04N5/265 , H04N5/247 , H01L27/146
Abstract: A camera device is provided. The camera device includes: a first imaging section, a second imaging section, a third imaging section, and a processor. The first imaging section, second imaging section, and third imaging section capture a first image, a second image, and a third image of a scene with a first field of view (FOV), a second FOV, and a third FOV. The processor is configured to generate a first output image by performing a first image-fusion process on the first image, the second image, and a third image in response to a zooming factor of the camera device being between a first zooming factor and a second zooming factor, wherein the first FOV is wider than the second FOV, and the second FOV is wider than the third FOV, and the second zooming factor is greater than the first zooming factor.
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公开(公告)号：US20190306488A1
公开(公告)日：2019-10-03
申请号：US16359721
申请日：2019-03-20
Applicant: MediaTek Inc.
Inventor： Han-Yang Wang , Yu-Chun Chen , Po-Hao Huang , Chao-Chung Cheng , Ying-Jui Chen , Te-Hao Chang
IPC: H04N13/25 , H04N5/33 , H04N13/254 , H04N13/257
Abstract: Various examples with respect to method and apparatus for active stereo vision are described. An apparatus may include an electromagnetic (EM) wave emitter, a first sensor and a second sensor. During operation, the EM wave emitter emits EM waves toward a scene, the first sensor captures a first image of the scene in an infrared (IR) spectrum, and the second sensor captures a second image of the scene in a light spectrum. The first image and second image, when processed, may enable active stereo vision.
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公开(公告)号：US11172145B2
公开(公告)日：2021-11-09
申请号：US16939319
申请日：2020-07-27
Applicant: MEDIATEK INC.
Inventor： Ping-Han Lee , Te-Hao Chang
IPC: H04N5/265 , H04N5/232 , H04N5/247 , H04N5/225 , H01L27/146
Abstract: A camera device is provided. The camera device includes: a first imaging section, a second imaging section, a third imaging section, and a processor. The first imaging section, second imaging section, and third imaging section capture a first image, a second image, and a third image of a scene with a first field of view (FOV), a second FOV, and a third FOV. The processor is configured to generate a first output image by performing a first image-fusion process on at least two of the first image, the second image, and the third image in response to a zooming factor of the camera device being between a first zooming factor and a second zooming factor, wherein the first FOV is wider than the second FOV, and the second FOV is wider than the third FOV, and the second zooming factor is greater than the first zooming factor.
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公开(公告)号：US20210255327A1
公开(公告)日：2021-08-19
申请号：US16792533
申请日：2020-02-17
Applicant: MediaTek Inc.
Inventor： Chao-Chung Cheng , Te-Hao Chang , Ying-Jui Chen
IPC: G01S17/894 , G01C3/08 , G01S17/32 , G01S17/10
Abstract: Various examples pertaining to emission and reception of patterned light waves for range sensing are described. An apparatus emits a light having a spatial pattern toward a scene. The apparatus performs range sensing of the scene using a hybrid of techniques based on a plurality of effects caused by the emitting of the light. The plurality of techniques include two or more active depth sensing techniques or a passive depth sensing technique and at least one active depth sensing technique.
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Patent Agency Ranking
公开(公告)号：US20180205932A1
公开(公告)日：2018-07-19
申请号：US15642519
申请日：2017-07-06
Applicant: National Taiwan University , MediaTek Inc.
Inventor： Tzu-Chieh Yu , Yu-Hsuan Huang , Te-Hao Chang , Ming Ouh Young
CPC classification number: H04N13/144 , G06T11/60 , H04N5/2328 , H04N5/23299 , H04N13/239 , H04N13/296 , H04N13/344 , H04N13/383
Abstract: The present invention provides a see-through augmented reality device coupled to a head-mounted display, the device comprises: a camera configured to capture an image; a 2-axis gimbal coupled to the camera and configured to stabilize the camera; a servo motor coupled to the camera and configured to control the rotations of the camera; a microcontroller coupled to the servo motor and configured to control the servo motor; a multiplexer coupled to the microcontroller and configured to decode signals received from the microcontroller; and an augmented reality image processor coupled to the camera and configured to combine a virtual object with the image captured by the camera to create a virtual-real image and transfer the virtual-real image to the head-mounted display.
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公开(公告)号：US20150033157A1
公开(公告)日：2015-01-29
申请号：US14177198
申请日：2014-02-10
Applicant: MEDIATEK INC.
Inventor： Te-Hao Chang , Chao-Chung Cheng , Yu-Lin Chang , Yu-Pao Tsai , Ying-Jui Chen
IPC: G06F3/0481 , G06T19/20
CPC classification number: G06F3/04815 , G06T19/20 , H04N5/23229 , H04N13/122 , H04N2013/0081
Abstract: A 3D displaying method, comprising: acquiring distance information map from at least one image; receiving control information from a user input device; modifying the distance information map according to the control information to generate modified distance information map; generating an interactive 3D image according to the modified distance information map; and displaying the interactive 3D image.
Abstract translation: 一种3D显示方法，包括：从至少一个图像获取距离信息图; 从用户输入设备接收控制信息; 根据控制信息修改距离信息图，生成修改后的距离信息图; 根据修改的距离信息图生成交互式3D图像; 并显示交互式3D图像。
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公开(公告)号：US11570381B2
公开(公告)日：2023-01-31
申请号：US17384963
申请日：2021-07-26
Applicant: MediaTek Inc.
Inventor： Te-Hao Chang , Chi-Hui Wang , Chi-Cheng Ju , Ying-Jui Chen , Chun-Nan Li
Abstract: A processor or control circuit of an apparatus receives data of an image based on sensing by one or more image sensors. The processor or control circuit also detects a region of interest (ROI) in the image. The processor or control circuit then adaptively controls a light projector with respect to projecting light toward the ROI.
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公开(公告)号：US20190306441A1
公开(公告)日：2019-10-03
申请号：US16354552
申请日：2019-03-15
Applicant: MediaTek Inc.
Inventor： Te-Hao Chang , Chi-Hui Wang , Chi-Cheng Ju , Ying-Jui Chen , Chun-Nan Li
Abstract: Various examples with respect to adaptive infrared (IR) projection control for depth estimation in computer vision are described. A processor or control circuit of an apparatus receives data of an image based on sensing by one or more image sensors. The processor or control circuit also detects a region of interest (ROI) in the image. The processor or control circuit then adaptively controls a light projector with respect to projecting light toward the ROI.
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公开(公告)号：US20170124981A1
公开(公告)日：2017-05-04
申请号：US15407237
申请日：2017-01-16
Applicant: MediaTek Inc.
Inventor： Wen-Fu Lee , Te-Hao Chang , Ying-Jui Chen
CPC classification number: G09G5/003 , G06K9/6212 , G09G2310/04 , G09G2310/08 , G09G2320/0266 , G09G2330/021
Abstract: Methods and apparatuses pertaining to adaptive display partial update may involve determining whether partial update for an image frame is allowed and, responsive to a determination that the partial update for the image frame is allowed, determining whether the partial update is applicable to the image frame. Responsive to a determination that the partial update is applicable to the image frame, whether or not at least a difference between one or more properties of the image frame and one or more properties of a previous image frame exceeds a threshold may be determined. A partial-frame processing may be performed to partially update the image frame responsive to a determination that the difference does not exceed the threshold.
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