{"id":1573,"date":"2024-01-29T00:08:44","date_gmt":"2024-01-28T15:08:44","guid":{"rendered":"https:\/\/dohokin.com\/?p=1573"},"modified":"2024-01-29T00:16:34","modified_gmt":"2024-01-28T15:16:34","slug":"%ed%8c%8c%ec%9d%b4%ec%8d%ac-opencv-%eb%9d%bc%ec%9d%b4%eb%b8%8c%eb%9f%ac%eb%a6%ac-%ec%8b%9c%ec%9e%91%ed%95%98","status":"publish","type":"post","link":"https:\/\/dohokin.com\/?p=1573","title":{"rendered":"\ud30c\uc774\uc36c OpenCV \ub77c\uc774\ube0c\ub7ec\ub9ac \uc2dc\uc791\ud558\uae30"},"content":{"rendered":"\n
\"\"<\/figure>\n\n\n\n

OpenCV\ub294 \ucef4\ud4e8\ud130 \ube44\uc804 \uad00\ub828 \uc791\uc5c5\uc744 \uc704\ud55c \uac15\ub825\ud55c \ub77c\uc774\ube0c\ub7ec\ub9ac\ub85c, \uc774\ubbf8\uc9c0\uc640 \ub3d9\uc601\uc0c1 \ucc98\ub9ac\uc5d0 \ub110\ub9ac \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \ud30c\uc774\uc36c\uc744 \uc0ac\uc6a9\ud558\uc5ec OpenCV\uc758 \uae30\ubcf8\uc801\uc778 \uae30\ub2a5\uc744 \uc18c\uac1c\ud558\ub294 \uac04\ub2e8\ud55c \uc608\uc81c\ub97c \uc81c\uacf5\ud558\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n

\uc608\uc81c 1: \uc774\ubbf8\uc9c0 \uc77d\uae30, \ud45c\uc2dc \ubc0f \uc800\uc7a5\ud558\uae30<\/h3>\n\n\n\n

\uc774 \uc608\uc81c\uc5d0\uc11c\ub294 OpenCV\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc774\ubbf8\uc9c0\ub97c \uc77d\uace0, \ud654\uba74\uc5d0 \ud45c\uc2dc\ud55c \ub2e4\uc74c, \ub2e4\ub978 \uc774\ub984\uc73c\ub85c \uc800\uc7a5\ud558\ub294 \ubc29\ubc95\uc744 \ubcf4\uc5ec\uc90d\ub2c8\ub2e4.<\/p>\n\n\n\n

<\/circle><\/circle><\/circle><\/g><\/svg><\/span><\/path><\/path><\/svg><\/span>
import<\/span> cv2<\/span><\/span>\n<\/span>\n# \uc774\ubbf8\uc9c0 \uc77d\uae30<\/span><\/span>\nimage <\/span>=<\/span> cv2<\/span>.<\/span>imread<\/span>(<\/span>'<\/span>example.jpg<\/span>'<\/span>)<\/span><\/span>\n<\/span>\n# \uc774\ubbf8\uc9c0 \ud45c\uc2dc<\/span><\/span>\ncv2<\/span>.<\/span>imshow<\/span>(<\/span>'<\/span>Image<\/span>'<\/span>,<\/span> image<\/span>)<\/span><\/span>\ncv2<\/span>.<\/span>waitKey<\/span>(<\/span>0<\/span>)<\/span>  <\/span># \ud0a4 \uc785\ub825\uc744 \uae30\ub2e4\ub9bd\ub2c8\ub2e4.<\/span><\/span>\ncv2<\/span>.<\/span>destroyAllWindows<\/span>()<\/span>  <\/span># \ubaa8\ub4e0 \ucc3d\uc744 \ub2eb\uc2b5\ub2c8\ub2e4.<\/span><\/span>\n<\/span>\n# \uc774\ubbf8\uc9c0 \uc800\uc7a5<\/span><\/span>\ncv2<\/span>.<\/span>imwrite<\/span>(<\/span>'<\/span>example_copy.jpg<\/span>'<\/span>,<\/span> image<\/span>)<\/span><\/span>\n<\/span><\/code><\/pre><\/div>\n\n\n\n
<\/p>\n\n\n\n
\uc608\uc81c 2: \uc774\ubbf8\uc9c0\uc5d0 \ub300\ud55c \uae30\ubcf8\uc801\uc778 \uc774\ubbf8\uc9c0 \ucc98\ub9ac<\/h3>\n\n\n\n
\uc774 \uc608\uc81c\uc5d0\uc11c\ub294 \uc774\ubbf8\uc9c0\ub97c \ud751\ubc31\uc73c\ub85c \ubcc0\ud658\ud558\uace0, \uc774\ubbf8\uc9c0\ub97c \ube14\ub7ec(blur) \ucc98\ub9ac\ud558\ub294 \ubc29\ubc95\uc744 \ubcf4\uc5ec\uc90d\ub2c8\ub2e4.<\/p>\n\n\n\n
<\/circle><\/circle><\/circle><\/g><\/svg><\/span><\/path><\/path><\/svg><\/span>
import<\/span> cv2<\/span><\/span>\n<\/span>\n# \uc774\ubbf8\uc9c0 \uc77d\uae30<\/span><\/span>\nimage <\/span>=<\/span> cv2<\/span>.<\/span>imread<\/span>(<\/span>'<\/span>example.jpg<\/span>'<\/span>)<\/span><\/span>\n<\/span>\n# \ud751\ubc31 \uc774\ubbf8\uc9c0\ub85c \ubcc0\ud658<\/span><\/span>\ngray_image <\/span>=<\/span> cv2<\/span>.<\/span>cvtColor<\/span>(<\/span>image<\/span>,<\/span> cv2<\/span>.<\/span>COLOR_BGR2GRAY<\/span>)<\/span><\/span>\n<\/span>\n# \uc774\ubbf8\uc9c0 \ube14\ub7ec \ucc98\ub9ac<\/span><\/span>\nblurred_image <\/span>=<\/span> cv2<\/span>.<\/span>GaussianBlur<\/span>(<\/span>gray_image<\/span>,<\/span> <\/span>(<\/span>7<\/span>,<\/span> <\/span>7<\/span>),<\/span> <\/span>0<\/span>)<\/span><\/span>\n<\/span>\n# \uacb0\uacfc \ud45c\uc2dc<\/span><\/span>\ncv2<\/span>.<\/span>imshow<\/span>(<\/span>'<\/span>Original Image<\/span>'<\/span>,<\/span> image<\/span>)<\/span><\/span>\ncv2<\/span>.<\/span>imshow<\/span>(<\/span>'<\/span>Gray Image<\/span>'<\/span>,<\/span> gray_image<\/span>)<\/span><\/span>\ncv2<\/span>.<\/span>imshow<\/span>(<\/span>'<\/span>Blurred Image<\/span>'<\/span>,<\/span> blurred_image<\/span>)<\/span><\/span>\n<\/span>\ncv2<\/span>.<\/span>waitKey<\/span>(<\/span>0<\/span>)<\/span><\/span>\ncv2<\/span>.<\/span>destroyAllWindows<\/span>()<\/span><\/span>\n<\/span><\/code><\/pre><\/div>\n\n\n\n
<\/p>\n\n\n\n
\uc608\uc81c 3: \uc774\ubbf8\uc9c0\uc5d0\uc11c \uac1d\uccb4 \uac10\uc9c0\ud558\uae30<\/h3>\n\n\n\n
\uc774 \uc608\uc81c\uc5d0\uc11c\ub294 Canny \uc5e3\uc9c0 \uac80\ucd9c\uae30\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc774\ubbf8\uc9c0\uc5d0\uc11c \uac1d\uccb4\uc758 \uac00\uc7a5\uc790\ub9ac\ub97c \uac10\uc9c0\ud558\ub294 \ubc29\ubc95\uc744 \ubcf4\uc5ec\uc90d\ub2c8\ub2e4.<\/p>\n\n\n\n
<\/circle><\/circle><\/circle><\/g><\/svg><\/span><\/path><\/path><\/svg><\/span>
import<\/span> cv2<\/span><\/span>\n<\/span>\n# \uc774\ubbf8\uc9c0 \uc77d\uae30<\/span><\/span>\nimage <\/span>=<\/span> cv2<\/span>.<\/span>imread<\/span>(<\/span>'<\/span>example.jpg<\/span>'<\/span>)<\/span><\/span>\n<\/span>\n# \ud751\ubc31 \uc774\ubbf8\uc9c0\ub85c \ubcc0\ud658<\/span><\/span>\ngray_image <\/span>=<\/span> cv2<\/span>.<\/span>cvtColor<\/span>(<\/span>image<\/span>,<\/span> cv2<\/span>.<\/span>COLOR_BGR2GRAY<\/span>)<\/span><\/span>\n<\/span>\n# \uc774\ubbf8\uc9c0 \ube14\ub7ec \ucc98\ub9ac<\/span><\/span>\nblurred_image <\/span>=<\/span> cv2<\/span>.<\/span>GaussianBlur<\/span>(<\/span>gray_image<\/span>,<\/span> <\/span>(<\/span>7<\/span>,<\/span> <\/span>7<\/span>),<\/span> <\/span>0<\/span>)<\/span><\/span>\n<\/span>\n# \uacb0\uacfc \ud45c\uc2dc<\/span><\/span>\ncv2<\/span>.<\/span>imshow<\/span>(<\/span>'<\/span>Original Image<\/span>'<\/span>,<\/span> image<\/span>)<\/span><\/span>\ncv2<\/span>.<\/span>imshow<\/span>(<\/span>'<\/span>Gray Image<\/span>'<\/span>,<\/span> gray_image<\/span>)<\/span><\/span>\ncv2<\/span>.<\/span>imshow<\/span>(<\/span>'<\/span>Blurred Image<\/span>'<\/span>,<\/span> blurred_image<\/span>)<\/span><\/span>\n<\/span>\ncv2<\/span>.<\/span>waitKey<\/span>(<\/span>0<\/span>)<\/span><\/span>\ncv2<\/span>.<\/span>destroyAllWindows<\/span>()<\/span><\/span>\n<\/span><\/code><\/pre><\/div>\n\n\n\n
<\/p>\n\n\n\n
\uc8fc\uc758 \uc0ac\ud56d<\/h3>\n\n\n\n
    \n
  • OpenCV\ub97c \uc0ac\uc6a9\ud558\uae30 \uc804\uc5d0 opencv-python<\/code> \ud328\ud0a4\uc9c0\ub97c \uc124\uce58\ud574\uc57c \ud569\ub2c8\ub2e4. \uc774\ub294 pip install opencv-python<\/code> \uba85\ub839\uc5b4\ub97c \ud1b5\ud574 \uc124\uce58\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n\n\n\n
  • cv2.waitKey(0)<\/code>\ub294 \ud0a4\ubcf4\ub4dc \uc785\ub825\uc744 \uae30\ub2e4\ub9ac\ub294 \ud568\uc218\ub85c, \uc5b4\ub5a4 \ud0a4\ub97c \ub204\ub974\uba74 \ub2e4\uc74c \ucf54\ub4dc\ub85c \ub118\uc5b4\uac11\ub2c8\ub2e4.<\/li>\n\n\n\n
  • cv2.destroyAllWindows()<\/code>\ub294 \uc0dd\uc131\ub41c \ubaa8\ub4e0 \ucc3d\uc744 \ub2eb\ub294 \ud568\uc218\uc785\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n
    <\/circle><\/circle><\/circle><\/g><\/svg><\/span><\/path><\/path><\/svg><\/span>
    pip<\/span> <\/span>install<\/span> <\/span>opencv-python<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
    OpenCV\ub294 \ub9e4\uc6b0 \uac15\ub825\ud55c \ub77c\uc774\ube0c\ub7ec\ub9ac\uc774\ubbc0\ub85c, \uc774\ub7ec\ud55c \uae30\ubcf8\uc801\uc778 \uc608\uc81c\ub97c \ud1b5\ud574 \ub2e4\uc591\ud55c \uc774\ubbf8\uc9c0 \ucc98\ub9ac \uae30\ub2a5\uc744 \ud0d0\uc0c9\ud558\uace0 \ud65c\uc6a9\ud574\ubcf4\uc2dc\uae30 \ubc14\ub78d\ub2c8\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"
    \ud30c\uc774\uc36c OpenCV \ub77c\uc774\ube0c\ub7ec\ub9ac \uc2dc\uc791\ud558\uae30<\/p>\n","protected":false},"author":1,"featured_media":1575,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_uf_show_specific_survey":0,"_uf_disable_surveys":false,"footnotes":""},"categories":[105],"tags":[108,107,106],"_links":{"self":[{"href":"https:\/\/dohokin.com\/index.php?rest_route=\/wp\/v2\/posts\/1573"}],"collection":[{"href":"https:\/\/dohokin.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/dohokin.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/dohokin.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/dohokin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1573"}],"version-history":[{"count":2,"href":"https:\/\/dohokin.com\/index.php?rest_route=\/wp\/v2\/posts\/1573\/revisions"}],"predecessor-version":[{"id":1577,"href":"https:\/\/dohokin.com\/index.php?rest_route=\/wp\/v2\/posts\/1573\/revisions\/1577"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/dohokin.com\/index.php?rest_route=\/wp\/v2\/media\/1575"}],"wp:attachment":[{"href":"https:\/\/dohokin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1573"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dohokin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1573"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dohokin.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1573"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}