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Patent Agency Ranking
公开(公告)号：US10438087B2
公开(公告)日：2019-10-08
申请号：US15365630
申请日：2016-11-30
Inventor： Seung Jun Han , Jeong Dan Choi , Sang Heon Park
Abstract: Provided are an apparatus and method for extracting a salient line for an information sign. The apparatus includes an image input portion configured to receive an image including information indication lines to be detected, a signal calculator configured to generate a symmetric function signal consistent with a thickness and a direction of an information indication line having a preset thickness in the received image and perform a convolution of the information indication line and the generated symmetric function signal, a highest value enhancement portion configured to enhance highest values in results of the convolution using a signal quality improvement filter, and a local highest value extractor configured to find local highest values among the enhanced highest values and extract a line connecting the local highest values as a salient line connecting center points in the information indication line.
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公开(公告)号：US11288836B2
公开(公告)日：2022-03-29
申请号：US16822801
申请日：2020-03-18
Inventor： Sang Heon Park , Young Suk Yoon , Hyun Woo Cho , Sung Uk Jung
Abstract: Provided are an apparatus and method for managing a feature point map. The method includes generating an initial travel path through which an environmental information collecting entity moves, determining the generated initial travel path as a travel path for detection and controlling the environmental information collecting entity along the determined travel path for detection, receiving environmental information from the environmental information collecting entity, extracting feature point information from the environmental information, generating a feature point map from the feature point information, and storing the feature point map.
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公开(公告)号：US12175606B2
公开(公告)日：2024-12-24
申请号：US17841998
申请日：2022-06-16
Inventor： Sung Uk Jung , Kyoung Ill Kim , Ju Young Kim , Sang Heon Park , Byung Gyu Lee , Hyun Woo Cho , Hyung Keun Jee
Abstract: The present disclosure includes a diorama space generation and construction module configured to construct an AR map by using a user camera image or image data received through a sensor, a diorama environment tracking and location optimization module configured to load the constructed AR map onto an AR device and track a location of the AR device in a diorama space in real time based on image data received in real time, and a multi-user association and event synchronization module including a user interaction module configured to perform user interaction processing, user event information processing and management, and AR content playback configured to perform interaction synchronization processing, content synchronization processing, and user information synchronization processing.
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公开(公告)号：US10371534B2
公开(公告)日：2019-08-06
申请号：US15602912
申请日：2017-05-23
Inventor： Kyoung Wook Min , Jeong Dan Choi , Jun Gyu Kang , Sang Heon Park , Kyung Bok Sung , Joo Chan Sohn , Dong Jin Lee , Yong Woo Jo , Seung Jun Han
Abstract: Provided are an apparatus and method for sharing and learning driving environment data to improve the decision intelligence of an autonomous vehicle. The apparatus for sharing and learning driving environment data to improve the decision intelligence of an autonomous vehicle includes a sensing section which senses surrounding vehicles traveling within a preset distance from the autonomous vehicle, a communicator which transmits and receives data between the autonomous vehicle and another vehicle or a cloud server, a storage which stores precise lane-level map data, and a learning section which generates mapping data centered on the autonomous vehicle by mapping driving environment data of a sensing result of the sensing section to the precise map data, transmits the mapping data to the other vehicle or the cloud server through the communicator, and performs learning for autonomous driving using the mapping data and data received from the other vehicle or the cloud server.
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公开(公告)号：US10025997B2
公开(公告)日：2018-07-17
申请号：US15130907
申请日：2016-04-15
Inventor： Seung Jun Han , Kyoung Wook Min , Sang Heon Park , Kyung Bok Sung , Jeong Dan Choi
Abstract: Provided herein is a device and a method for recognizing an obstacle and a parking slot to support an unmanned autonomous parking function. The device includes a motion measurement unit measuring a vehicle motion using an in-vehicle sensor, an inverse perspective transform unit performing inverse perspective transformation of an image, which is obtained using a wide-angle camera, to obtain an inverse perspective image, and an obstacle detection unit detecting the obstacle using the inverse perspective image.
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