Preceding vehicle state estimation method and system based on binocular high-speed camera
The invention provides a preceding vehicle state estimation method and system based on a binocular high-speed camera, and the method comprises the steps: calibrating the binocular camera, and obtaining a camera internal parameter matrix, a distortion parameter and a baseline length; performing disto...
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| creator | CHENG DEXIN DAI JUN CHEN ZHI WEI YANGDAO ZHENG JUN |
| description | The invention provides a preceding vehicle state estimation method and system based on a binocular high-speed camera, and the method comprises the steps: calibrating the binocular camera, and obtaining a camera internal parameter matrix, a distortion parameter and a baseline length; performing distortion removal on the left-eye image and the right-eye image; obtaining respective target frame initial positions in the first frame of left and right eye images through a target detection algorithm, obtaining a next frame of left target frame position through target tracking, and updating a right target frame based on the left target frame position; acquiring regions of interest of the left and right targets, and calculating left and right parallax based on the regions of interest of the left and right targets; calculating a target vehicle distance by combining a triangulation method according to the left-right visual difference, the camera internal reference and the baseline length; and calculating the acceleratio |
| format | Patent |
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performing distortion removal on the left-eye image and the right-eye image; obtaining respective target frame initial positions in the first frame of left and right eye images through a target detection algorithm, obtaining a next frame of left target frame position through target tracking, and updating a right target frame based on the left target frame position; acquiring regions of interest of the left and right targets, and calculating left and right parallax based on the regions of interest of the left and right targets; calculating a target vehicle distance by combining a triangulation method according to the left-right visual difference, the camera internal reference and the baseline length; and calculating the acceleratio</description><subject>CALCULATING</subject><subject>COMPUTING</subject><subject>COUNTING</subject><subject>HANDLING RECORD CARRIERS</subject><subject>IMAGE DATA PROCESSING OR GENERATION, IN GENERAL</subject><subject>PHYSICS</subject><subject>PRESENTATION OF DATA</subject><subject>RECOGNITION OF DATA</subject><subject>RECORD CARRIERS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2021</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNir0KwkAQBtNYiPoO6wOkiBGCpQTFSixsrMLm7jN3cD8huwq-vSl8AKuBmVkWj9sEA-vTQG84bwJIlBUEUR9ZfU4UoS5b4mRJPqKI1LPA0px6n7J5BZ7I-cGVMmL2hiMmXheLJwfB5sdVsT2f7u2lxJg7yMgGCdq116ra1fvm0NTH-p_nC-8tOrQ</recordid><startdate>20210209</startdate><enddate>20210209</enddate><creator>CHENG DEXIN</creator><creator>DAI JUN</creator><creator>CHEN ZHI</creator><creator>WEI YANGDAO</creator><creator>ZHENG JUN</creator><scope>EVB</scope></search><sort><creationdate>20210209</creationdate><title>Preceding vehicle state estimation method and system based on binocular high-speed camera</title><author>CHENG DEXIN ; 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| language | chi ; eng |
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| subjects | CALCULATING COMPUTING COUNTING HANDLING RECORD CARRIERS IMAGE DATA PROCESSING OR GENERATION, IN GENERAL PHYSICS PRESENTATION OF DATA RECOGNITION OF DATA RECORD CARRIERS |
| title | Preceding vehicle state estimation method and system based on binocular high-speed camera |
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