{"id":2588,"date":"2019-05-18T18:35:24","date_gmt":"2019-05-18T09:35:24","guid":{"rendered":"https:\/\/notitia.i.ryukoku.ac.jp\/?p=2588"},"modified":"2020-03-30T17:21:50","modified_gmt":"2020-03-30T08:21:50","slug":"raspberry-pi%e3%81%a7%e9%81%8a%e3%81%bc%e3%81%86%ef%bc%81-%e3%80%90%e3%83%95%e3%83%ac%e3%83%bc%e3%83%a0%e5%b7%ae%e5%88%86%e6%b3%95%e3%81%ae%e7%b4%b9%e4%bb%8b%e3%80%91-2","status":"publish","type":"post","link":"https:\/\/notitia.i.ryukoku.ac.jp\/?p=2588","title":{"rendered":"Raspberry Pi\u3067\u904a\u307c\u3046\uff01 \u3010\u30d5\u30ec\u30fc\u30e0\u5dee\u5206\u6cd5\u306e\u7d39\u4ecb\u3011"},"content":{"rendered":"

\u3069\u3082\u30fc\u3001\u305f\u306a\u304b\u3067\u3059\uff01
\n\u305f\u306a\u304b\u300c\u306a\u3093\u304b\u5510\u7a81\u306bRaspberry Pi\u3067\u904a\u3073\u305f\u3044\uff01\u300d<\/span>
\n\u3068\u8a00\u3063\u305f\u308f\u3051\u3067\u3001Raspberry Pi\u3067\u76e3\u8996\u30ab\u30e1\u30e9\u3092\u4f5c\u308d\u3046\u3068\u601d\u3044\u307e\u3059\uff01
\n\u307e\u3042\u3001\u300c\u30e9\u30ba\u30d1\u30a4\u3067\u904a\u3076\u300d\uff06\u300c\u76e3\u8996\u30ab\u30e1\u30e9\u3092\u4f5c\u308b\u300d\u3057\u304b\u6c7a\u307e\u3063\u3066\u306a\u3044\u306e\u3067
\n\u3068\u308a\u3042\u3048\u305a\u3001\u9069\u5f53\u306b\u3084\u308b\u304b<\/strong>\u3068\u3044\u3046\u3053\u3068\u3067<\/span><\/span><\/p>\n

\n

\u76e3\u8996\u30ab\u30e1\u30e9\u3068\u8a00\u3063\u305f\u3089\u3068\u308a\u3042\u3048\u305a<\/strong>
\n\u30ab\u30e1\u30e9\u3092\u4f7f\u3063\u3066\u6620\u50cf\u3092\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u306b\u8868\u793a\u51fa\u6765\u308b\u3088\u3046\u306b\u3059\u308c\u3070\u3044\u3044\u306e\u3067
\nPython\u306eOpenCV\u3092\u5229\u7528\u3057\u3066\u2193\u306e\u3088\u3046\u306bWeb\u30ab\u30e1\u30e9\u3092\u5229\u7528\u3057\u3066\u8868\u793a\u3057\u305f\uff01<\/p>\n[code lang=”python”]\nimport cv2<\/p>\n

capture = cv2.VideoCapture(0)<\/p>\n

while(True) :
\nret, flame = capture.read()
\ncv2.imshow(‘Raw Flame’, flame)<\/p>\n

k = cv2.waitKey(1)
\n<\/strong>if k == 27 : #esc\u3092\u62bc\u3059\u3068\u7d42\u4e86<\/p>\n

break<\/p>\n

capture.release()
\ncv2.destroyAllWindows()
\n[\/code]\n

\u3068\u308a\u3042\u3048\u305a\u3001\u3053\u308c\u3092\u4f7f\u3048\u3070web\u30ab\u30e1\u30e9\u304b\u3089\u306e\u6620\u50cf\u304c\u898b\u308c\u307e\u3059\uff01
\n\u300c\u76e3\u8996\u30ab\u30e1\u30e9\u306e\u6620\u50cf\u3092\u898b\u308b\u300d<\/span>\u3068\u3044\u3046\u306e\u306b\u306f\u3001\u6210\u529f\u3057\u305f\u306e\u3067
\n\u6b21\u306e\u6bb5\u968e\u3078<\/p>\n

\n

\u3067\u306f\u3001\u30e9\u30ba\u30d1\u30a4\u3067\u6620\u50cf\u3092\u3069\u3046\u3084\u3063\u3066\u9001\u308b\u304b…<\/strong>
\n\u3084\u3063\u3071\u308a\u3001\u76e3\u8996\u30ab\u30e1\u30e9\u306f\u9060\u9694\u3067\u898b\u305f\u3044\u3058\u3083\u306a\u3044\u3067\u3059\u304b\uff01
\n\u3068\u3044\u3046\u3053\u3068\u3067\u3001\u79c1\u304c\u8003\u3048\u305f\u65b9\u6cd5\u306f\u3001\u4f55\u304b\u3057\u3089\u304c\u52d5\u3044\u305f\u3089\u5199\u771f\u3092\u64ae\u308a<\/span><\/strong>\u3001\u305d\u308c\u3092\u30cd\u30c3\u30c8\u306e\u306a\u3093\u304b\u3067\u30a2\u30c3\u30d7\u3059\u308b\u3068\u3044\u3046\u65b9\u6cd5\u3067\u3059\uff01<\/p>\n

\u3067\u306f\u3001\u4eca\u5ea6\u306fWeb\u30ab\u30e1\u30e9\u3067\u5199\u771f\u3092\u64ae\u308b\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u4f5c\u6210\u3057\u3088\u3046\uff01
\n[code lang=”python”]\nimport cv2<\/p>\n

cam = cv2.VideoCapture(0)
\nimg = cam.read()[1]\ncv2.imwrite(“sample.jpg”, img)<\/p>\n

cam.release()
\n[\/code]\n

\u2193\u306e\u3088\u3046\u306b\u64ae\u308c\u307e\u3057\u305f\uff01
\n\"\"<\/a><\/p>\n

\n

\u4f55\u304b\u3057\u3089\u52d5\u3044\u305f\u3089\u3069\u3046\u3057\u3066\u53cd\u5fdc\u3055\u305b\u308b\u304b<\/strong><\/p>\n

\u300c\u30d5\u30ec\u30fc\u30e0\u5dee\u5206\u6cd5\u300d<\/span>\u3068\u3044\u3046\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3092\u4f7f\u3063\u3066\u64ae\u5f71\u3055\u305b\u3088\u3046\uff01
\n\u8a73\u3057\u304f\u306f\u3053\u3061\u3089<\/span><\/a><\/p>\n

\u3093\u3067\u3001\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u3092\u3069\u3046\u305e<\/p>\n[code lang=”python”]\nimport cv2<\/p>\n

save_path = “.\/save_image\/”<\/p>\n

camera = cv2.VideoCapture(0)<\/p>\n

img1 = img2 = img3 = get_image(camera)<\/p>\n

th = 300
\nn = 1<\/p>\n

while True :<\/p>\n

if cv2.waitKey(1) == 27 :<\/p>\n

break<\/p>\n

diff = check_image(img1, img2, img3)<\/p>\n

cnt = cv2.countNonZero(diff)<\/p>\n

if cnt > th :<\/p>\n

print(“taked image”)
\ncv2.imshow(‘PUSH ENTER KEY’, img3)
\ncv2.imwrite(save_path + str(n) + “.jpg”, img3)
\nn += 1<\/p>\n

else :<\/p>\n

cv2.imshow(‘PUSH ENTER KEY’, img3)
\nimg1, img2, img3 = (img2, img3, get_image(camera))<\/p>\n

camera.release()
\ncv2.destroyAllWindows()<\/p>\n

def get_image(camera) :<\/p>\n

img = camera.read()[1]\nreturn img<\/p>\n

def check_image(img1, img2, img3) :<\/p>\n

gray1 = cv2.cvtColor(img1, cv2.COLOR_RGB2GRAY)
\ngray2 = cv2.cvtColor(img2, cv2.COLOR_RGB2GRAY)
\ngray3 = cv2.cvtColor(img3, cv2.COLOR_RGB2GRAY)<\/p>\n

diff1 = cv2.absdiff(gray1, gray2)
\ndiff2 = cv2.absdiff(gray2, gray3)<\/p>\n

dif_and = cv2.bitwise_and(diff1, diff2)<\/p>\n

_, dif_wb = cv2.threshold(dif_and, 30, 255, cv2.THRESH_BINARY)
\ndiff = cv2.medianBlur(dif_wb, 5)
\nreturn diff<\/p>\n[\/code]\n

\u3053\u308c\u3067\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u5199\u771f\u304c\u64ae\u308c\u307e\u3057\u305f\uff01
\n\"\"<\/a> \"\"<\/a> \"\"<\/a>
\n\u3053\u308c\u3089\u304c3\u679a\u64ae\u308c\u3066
\n\u3053\u308c\u306e\u5dee\u5206\u3092\u64ae\u3063\u305f\u5199\u771f\u304c\u3053\u308c\u3067\u3059\uff01
\n\"\"<\/a><\/p>\n

\u5dee\u5206\u3060\u3051\u3067gif\u30d5\u30a1\u30a4\u30eb\u3092\u4f5c\u308b\u3068\u3053\u3093\u306a\u611f\u3058
\n\"\"<\/p>\n

\n

\u3068\u3044\u3063\u305f\u611f\u3058\u3067\u3001\u30e9\u30ba\u30d1\u30a4\u3067\u904a\u3093\u3067\u3044\u307e\u3059\uff01<\/strong>(\u73fe\u5728\u306e\u9032\u6357\u72b6\u6cc1\u306f\u3053\u3053\u307e\u3067)<\/span>
\n\u30d5\u30ec\u30fc\u30e0\u9593\u5dee\u5206\u6cd5\u3067\u306f\u306a\u304f\u3001\u3053\u308c\u3092Tensorflow\u306e\u6a5f\u68b0\u5b66\u7fd2\u3067\u8a8d\u8b58\u3055\u305b\u305f\u3044<\/span>\u306e\u3067
\n\u3053\u308c\u304b\u3089\u3082\u904a\u3073\u305f\u3044\u3068\u601d\u3044\u307e\u3059\uff01<\/span>
\n\u4ee5\u4e0a\uff01<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"\u3069\u3082\u30fc\u3001\u305f\u306a\u304b\u3067\u3059\uff01 \u305f\u306a\u304b\u300c\u306a\u3093\u304b\u5510\u7a81\u306bRaspberry Pi\u3067\u904a\u3073\u305f\u3044\uff01\u300d \u3068\u8a00\u3063\u305f\u308f\u3051\u3067\u3001Raspberry Pi\u3067\u76e3\u8996\u30ab\u30e1\u30e9\u3092\u4f5c\u308d\u3046\u3068\u601d\u3044\u307e\u3059\uff01 \u307e\u3042\u3001\u300c\u30e9\u30ba\u30d1\u30a4\u3067\u904a\u3076\u300d\uff06\u300c\u76e3\u8996\u30ab\u30e1\u30e9\u3092\u4f5c\u308b\u300d\u3057\u304b\u6c7a\u307e\u3063\u3066\u306a\u3044\u306e\u3067 \u3068\u308a\u3042\u3048\u305a\u3001\u9069\u5f53\u306b\u3084\u308b\u304b\u3068\u3044\u3046\u3053\u3068\u3067 \u76e3\u8996\u30ab\u30e1\u30e9\u3068\u8a00\u3063\u305f\u3089\u3068\u308a\u3042\u3048\u305a \u30ab\u30e1\u30e9\u3092\u4f7f\u3063\u3066\u6620\u50cf\u3092\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u306b\u8868\u793a\u51fa\u6765\u308b\u3088\u3046\u306b\u3059\u308c\u3070\u3044\u3044\u306e\u3067 Python\u306eOpenCV\u3092\u5229\u7528\u3057\u3066\u2193\u306e\u3088\u3046\u306bWeb\u30ab\u30e1\u30e9\u3092\u5229\u7528\u3057\u3066\u8868\u793a\u3057\u305f\uff01 [code lang=”python”] import cv2 capture = cv2.VideoCapture(0) while(…","protected":false},"author":20,"featured_media":2580,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[24],"tags":[142,141,76,48,140,95,139],"class_list":["post-2588","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-24","tag-opencv","tag-python","tag-raspberry-pi","tag-raspberrypi","tag-140","tag-95","tag-139"],"_links":{"self":[{"href":"https:\/\/notitia.i.ryukoku.ac.jp\/index.php?rest_route=\/wp\/v2\/posts\/2588","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/notitia.i.ryukoku.ac.jp\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/notitia.i.ryukoku.ac.jp\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/notitia.i.ryukoku.ac.jp\/index.php?rest_route=\/wp\/v2\/users\/20"}],"replies":[{"embeddable":true,"href":"https:\/\/notitia.i.ryukoku.ac.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2588"}],"version-history":[{"count":2,"href":"https:\/\/notitia.i.ryukoku.ac.jp\/index.php?rest_route=\/wp\/v2\/posts\/2588\/revisions"}],"predecessor-version":[{"id":2590,"href":"https:\/\/notitia.i.ryukoku.ac.jp\/index.php?rest_route=\/wp\/v2\/posts\/2588\/revisions\/2590"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/notitia.i.ryukoku.ac.jp\/index.php?rest_route=\/wp\/v2\/media\/2580"}],"wp:attachment":[{"href":"https:\/\/notitia.i.ryukoku.ac.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2588"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/notitia.i.ryukoku.ac.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2588"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/notitia.i.ryukoku.ac.jp\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2588"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}