Bimetallic strip temperature measurement method based on OpenCV image edge identification
The invention provides a bimetallic strip temperature measurement method based on OpenCV image edge identification. The method comprises the following steps: extracting the edge of a metal sheet by adopting a Sobel operator; after the edge is extracted through Sobel operator operation, the edge of t...
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| creator | LI JINWEN LI JIAHUI TU JIEFEI WANG SIHAI LI JIAQI JIAN AI QIU SHAOTING LUO YING FU WENXUAN HE ZIHAN ZHANG ZIYUAN WEI ZEYU WU CHENGLIN CHEN HONGXU YANG YAWEN OH TAEK-PYO ZHU YIXIN ZENG SHIMAO XU ZHIRUO BAN JAE-HO DUAN JIAMING CAO JINGXIU ZHENG ZHENKUN |
| description | The invention provides a bimetallic strip temperature measurement method based on OpenCV image edge identification. The method comprises the following steps: extracting the edge of a metal sheet by adopting a Sobel operator; after the edge is extracted through Sobel operator operation, the edge of the image needs to be refined; in the edge refining process, taking an edge image obtained after the Sobel operator traverses for the first time as an input image; after edge coordinates are extracted, a contour is established on a pixel coordinate plane, calibration with an actual size is needed after a corresponding pixel coordinate set, an actual length corresponding to the pixel coordinates is determined, and conversion between a pixel measurement value and an actual measurement value is realized; software and hardware are combined, the recognition accuracy is high, test program codes can be repeatedly used in an open source, replacement compatibility of the bimetallic strip can be achieved, the defect that the |
| format | Patent |
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The method comprises the following steps: extracting the edge of a metal sheet by adopting a Sobel operator; after the edge is extracted through Sobel operator operation, the edge of the image needs to be refined; in the edge refining process, taking an edge image obtained after the Sobel operator traverses for the first time as an input image; after edge coordinates are extracted, a contour is established on a pixel coordinate plane, calibration with an actual size is needed after a corresponding pixel coordinate set, an actual length corresponding to the pixel coordinates is determined, and conversion between a pixel measurement value and an actual measurement value is realized; software and hardware are combined, the recognition accuracy is high, test program codes can be repeatedly used in an open source, replacement compatibility of the bimetallic strip can be achieved, the defect that the</description><language>chi ; eng</language><subject>CALCULATING ; COMPUTER SYSTEMS BASED ON SPECIFIC COMPUTATIONAL MODELS ; COMPUTING ; COUNTING ; MEASURING ; MEASURING QUANTITY OF HEAT ; MEASURING TEMPERATURE ; PHYSICS ; TESTING ; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR</subject><creationdate>2022</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20220920&DB=EPODOC&CC=CN&NR=115082697A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76289</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20220920&DB=EPODOC&CC=CN&NR=115082697A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>LI JINWEN</creatorcontrib><creatorcontrib>LI JIAHUI</creatorcontrib><creatorcontrib>TU JIEFEI</creatorcontrib><creatorcontrib>WANG SIHAI</creatorcontrib><creatorcontrib>LI JIAQI</creatorcontrib><creatorcontrib>JIAN AI</creatorcontrib><creatorcontrib>QIU SHAOTING</creatorcontrib><creatorcontrib>LUO YING</creatorcontrib><creatorcontrib>FU WENXUAN</creatorcontrib><creatorcontrib>HE ZIHAN</creatorcontrib><creatorcontrib>ZHANG ZIYUAN</creatorcontrib><creatorcontrib>WEI ZEYU</creatorcontrib><creatorcontrib>WU CHENGLIN</creatorcontrib><creatorcontrib>CHEN HONGXU</creatorcontrib><creatorcontrib>YANG YAWEN</creatorcontrib><creatorcontrib>OH TAEK-PYO</creatorcontrib><creatorcontrib>ZHU YIXIN</creatorcontrib><creatorcontrib>ZENG SHIMAO</creatorcontrib><creatorcontrib>XU ZHIRUO</creatorcontrib><creatorcontrib>BAN JAE-HO</creatorcontrib><creatorcontrib>DUAN JIAMING</creatorcontrib><creatorcontrib>CAO JINGXIU</creatorcontrib><creatorcontrib>ZHENG ZHENKUN</creatorcontrib><title>Bimetallic strip temperature measurement method based on OpenCV image edge identification</title><description>The invention provides a bimetallic strip temperature measurement method based on OpenCV image edge identification. The method comprises the following steps: extracting the edge of a metal sheet by adopting a Sobel operator; after the edge is extracted through Sobel operator operation, the edge of the image needs to be refined; in the edge refining process, taking an edge image obtained after the Sobel operator traverses for the first time as an input image; after edge coordinates are extracted, a contour is established on a pixel coordinate plane, calibration with an actual size is needed after a corresponding pixel coordinate set, an actual length corresponding to the pixel coordinates is determined, and conversion between a pixel measurement value and an actual measurement value is realized; software and hardware are combined, the recognition accuracy is high, test program codes can be repeatedly used in an open source, replacement compatibility of the bimetallic strip can be achieved, the defect that the</description><subject>CALCULATING</subject><subject>COMPUTER SYSTEMS BASED ON SPECIFIC COMPUTATIONAL MODELS</subject><subject>COMPUTING</subject><subject>COUNTING</subject><subject>MEASURING</subject><subject>MEASURING QUANTITY OF HEAT</subject><subject>MEASURING TEMPERATURE</subject><subject>PHYSICS</subject><subject>TESTING</subject><subject>THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2022</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNijsKAkEQBTcxEPUO7QEEV_EX6qIYaSKC0dLOvNWGnQ8z7f2dwAOYVFVQw-pxEAflvhdDWZNEUriIxPpJIAfOxQ5eS-s7WHpyhqXg6RrhmzuJ4xcItkBs-aQTwyrBj6tBx33G5OdRNT0db815hhha5MgGHto2l7pezbeL9W6zX_7zfAESRzr0</recordid><startdate>20220920</startdate><enddate>20220920</enddate><creator>LI JINWEN</creator><creator>LI JIAHUI</creator><creator>TU JIEFEI</creator><creator>WANG SIHAI</creator><creator>LI JIAQI</creator><creator>JIAN AI</creator><creator>QIU SHAOTING</creator><creator>LUO YING</creator><creator>FU WENXUAN</creator><creator>HE ZIHAN</creator><creator>ZHANG ZIYUAN</creator><creator>WEI ZEYU</creator><creator>WU CHENGLIN</creator><creator>CHEN HONGXU</creator><creator>YANG YAWEN</creator><creator>OH TAEK-PYO</creator><creator>ZHU YIXIN</creator><creator>ZENG SHIMAO</creator><creator>XU ZHIRUO</creator><creator>BAN JAE-HO</creator><creator>DUAN JIAMING</creator><creator>CAO JINGXIU</creator><creator>ZHENG ZHENKUN</creator><scope>EVB</scope></search><sort><creationdate>20220920</creationdate><title>Bimetallic strip temperature measurement method based on OpenCV image edge identification</title><author>LI JINWEN ; 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The method comprises the following steps: extracting the edge of a metal sheet by adopting a Sobel operator; after the edge is extracted through Sobel operator operation, the edge of the image needs to be refined; in the edge refining process, taking an edge image obtained after the Sobel operator traverses for the first time as an input image; after edge coordinates are extracted, a contour is established on a pixel coordinate plane, calibration with an actual size is needed after a corresponding pixel coordinate set, an actual length corresponding to the pixel coordinates is determined, and conversion between a pixel measurement value and an actual measurement value is realized; software and hardware are combined, the recognition accuracy is high, test program codes can be repeatedly used in an open source, replacement compatibility of the bimetallic strip can be achieved, the defect that the</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | CALCULATING COMPUTER SYSTEMS BASED ON SPECIFIC COMPUTATIONAL MODELS COMPUTING COUNTING MEASURING MEASURING QUANTITY OF HEAT MEASURING TEMPERATURE PHYSICS TESTING THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR |
| title | Bimetallic strip temperature measurement method based on OpenCV image edge identification |
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