{"id":525,"date":"2014-05-22T21:15:07","date_gmt":"2014-05-22T21:15:07","guid":{"rendered":"https:\/\/www.step3.net\/?p=525"},"modified":"2026-07-25T07:50:05","modified_gmt":"2026-07-25T07:50:05","slug":"jpeg%e3%83%a1%e3%82%bf%e6%83%85%e5%a0%b1%e3%82%92%e5%8f%96%e5%be%97%e3%81%97%e3%81%9f%e3%81%84%ef%bc%81%e3%81%9d%e3%82%93%e3%81%aa%e6%99%82%e3%81%a9%e3%81%86%e3%81%99%e3%82%8b%ef%bc%9fjava%e7%b7%a8","status":"publish","type":"post","link":"https:\/\/www.step3.net\/?p=525","title":{"rendered":"JPEG\u30e1\u30bf\u60c5\u5831\u3092\u53d6\u5f97\u3057\u305f\u3044\uff01\u305d\u3093\u306a\u6642\u3069\u3046\u3059\u308b\uff1f(Java\u7de8\uff09"},"content":{"rendered":"<p><img decoding=\"async\" alt=\"Dsc_1823shadow\" title=\"Dsc_1823shadow\" src=\"https:\/\/www.step3.net\/wp-content\/uploads\/2026\/07\/dsc_1823shadow.jpg\" border=\"0\"  \/><br \/>\nPerl\u3067\u66f8\u3044\u305fexif\u8aad\u307f\u53d6\u308a\u30a2\u30d7\u30ea\u3001\u500b\u4eba\u7684\u306b\u306f\u7d50\u69cb\u5f79\u306b\u7acb\u3063\u3066\u3044\u307e\u3059\u3002<br \/>\n\u305d\u3053\u3067\u3001\u3053\u306eExif\u8aad\u307f\u8fbc\u307f\u30a2\u30d7\u30ea,\u3082\u3046\u5c11\u3057\u6975\u3081\u3066\u307f\u3088\u3046\u3068\u304a\u3082\u3044\u306f\u3058\u3081\u307e\u3057\u305f\u3002<br \/>\nGG\u30d7\u30ed\u30b0\u30e9\u30de\u30fc\u3068\u3057\u3066\u3001exif\u53d6\u5f97\u30a2\u30d7\u30ea\u3092\u3001\u306a\u308b\u3079\u304f\u8fd1\u3044\u5916\u90e8\u4ed5\u69d8\u3068\u3044\u3046\u6761\u4ef6\u3067\u3001\u3044\u308d\u3093\u306a\u8a00\u8a9e\u3067\u4f5c\u308b\u4fee\u884c\u306b\u6311\u6226\u3057\u3066\u307f\u307e\u3059\u3002Java,Scalr,C++,python\u306a\u3069\u306a\u3069\u3002<br \/>\n\u3053\u306e\u6311\u6226\u306b\u3088\u3063\u3066\u3001\u81ea\u5206\u306e\u8155\u3092\u7dad\u6301\u3059\u308b\u3053\u3068\u306f\u7121\u8ad6\u3001\u5404\u8a00\u8a9e\u81ea\u4f53\u306e\u7279\u5fb4\u3092\u628a\u63e1\u3059\u308b\u6bd4\u8f03\u8a00\u8a9e\u5b66\u7684\u306a\u30a2\u30d7\u30ed\u30fc\u30c1\u3084\u3001\u5404\u8a00\u8a9e\u3092\u53d6\u308a\u5dfb\u304f\u30a8\u30b3\u30b7\u30b9\u30c6\u30e0\u3092\u6bd4\u8f03\u6587\u5316\u8ad6\u7684\u306b\u898b\u6e21\u3053\u3068\u304c\u3067\u304d\u308b\u6c17\u304c\u3057\u3066\u304d\u3066\u3044\u307e\u3059\u3002<br \/>\n\u305d\u3046\u305d\u3046\u3001\u3042\u3068\u304b\u3089\u3001\u30d7\u30ed\u30bb\u30b9\u3092\u691c\u8a3c\u3067\u304d\u308b\u3088\u3046\u306b\u3001\u5b9f\u9a13\u30ce\u30fc\u30c8\u3082\u3061\u3083\u3093\u3068\u66f8\u304d\u307e\u3057\u3088\u3046\u3002<br \/>\n\u307e\u305a\u306f\u3001java\u7de8\u3002<br \/>\nJava\u306fprocessing\u3067\u3082\u304a\u4e16\u8a71\u306b\u306a\u3063\u3066\u3044\u308b\u306e\u3067\u3001\u79c1\u306eMacBook\u306e\u4e2d\u3067\u306fPerl\u306e\u6b21\u306b\u6163\u308c\u3066\u3044\u308b\u8a00\u8a9e\u3068\u958b\u767a\u74b0\u5883\u3067\u3059\u304c\u3001\u304b\u306a\u308a\u82e6\u6226.\u6642\u9593\u3092\u4f7f\u3044\u307e\u3057\u305f\u304c\u3001\u3088\u3046\u3084\u304f\u3067\u304d\u307e\u3057\u305f\u3002<br \/>\n\u3067\u304d\u3066\u3057\u307e\u3048\u3070\u306a\u304b\u306a\u304b\u3044\u3044\u4f7f\u3044\u5fc3\u5730\u3067\u3059\u3002<br \/>\nJava\u306e\u65b9\u304cPerl\u3088\u308a\u5c0f\u56de\u308a\u304c\u304d\u304d\u307e\u3059\u306d\u3002\u6b32\u3057\u3044\u30c7\u30fc\u30bf\u3092\u6b32\u3057\u3044\u5f62\u5f0f\u3067\u3068\u308a\u3060\u3059\u306e\u306fJava\u306e\u307b\u3046\u304c\u697d\u3002<br \/>\n\u305f\u3060,Java\u3067\u66f8\u304f\u3068\u884c\u6570\u304c\u5897\u3048\u308b\u6c17\u304c\u3057\u307e\u3059\u3002\u305d\u3093\u306a\u305f\u3044\u3057\u305f\u51e6\u7406\u3058\u3083\u306a\u3044\u306e\u306b\u3002<br \/>\njava\u306e\u5834\u5408\u3001Perl\u304cCPAN\u3068\u3057\u3066\u7528\u610f\u3057\u3066\u304f\u308c\u305f\u30e9\u30a4\u30d6\u30e9\u30ea\u76f8\u5f53\u306e\u30c4\u30fc\u30eb\u306f\u3044\u308d\u3093\u306a\u3068\u3053\u308d\u306b\u3042\u308b\u3088\u3046\u3067\u3059\u3002Apache project\u3060\u3063\u305f\u308a\u3002\u30a8\u30b3\u30b7\u30b9\u30c6\u30e0\u304c\u3057\u3063\u304b\u308a\u3057\u3066\u3044\u307e\u3059\u3002<br \/>\n\u30bd\u30fc\u30b9\u306f\u3001\u3053\u3093\u306a\u611f\u3058\u3002<\/p>\n<pre class=\"brush:java; gutter:false;\">\nimport com.drew.imaging.ImageMetadataReader;\nimport com.drew.imaging.ImageProcessingException;\nimport com.drew.metadata.exif.ExifIFD0Descriptor;\nimport com.drew.metadata.exif.ExifIFD0Directory;\nimport com.drew.metadata.exif.ExifSubIFDDescriptor;\nimport com.drew.metadata.exif.ExifSubIFDDirectory;\nimport com.drew.metadata.xmp.XmpDescriptor;\nimport com.drew.metadata.xmp.XmpDirectory;\nimport com.drew.metadata.Metadata;\nimport com.drew.metadata.Directory;\nimport java.io.File;\nimport java.io.IOException;\npublic class Read_Min_Tag\n{\npublic Read_Min_Tag(String fileName)\n{\nFile file = new File(fileName);\ntry {\nMetadata metadata = ImageMetadataReader.readMetadata(file);\n\/\/ obtain a specific directory\nDirectory directory = metadata.getDirectory(ExifSubIFDDirectory.class);\n\/\/ create a descriptor\nExifSubIFDDescriptor descriptor = new ExifSubIFDDescriptor((ExifSubIFDDirectory) directory);\n\/\/ obtain a specific directory\nDirectory directory2= metadata.getDirectory(ExifIFD0Directory.class);\nExifIFD0Descriptor descriptor2 = new ExifIFD0Descriptor((ExifIFD0Directory) directory2);\n\/\/ obtain a specific directory\nDirectory directory3 = metadata.getDirectory(XmpDirectory.class);\nXmpDescriptor descriptor3 = new XmpDescriptor((XmpDirectory) directory3);\n\/\/\u30ab\u30e1\u30e9\u6a5f\u7a2e\uff1aModel\nString Model = descriptor2.getDescription(ExifIFD0Directory.TAG_MODEL);\n\/\/\u30ec\u30f3\u30ba\u7a2e\u5225\uff1aLens\nString Lens= descriptor3.getDescription(XmpDirectory.TAG_LENS);\n\/\/ISO:ISO\nString ISO= descriptor.getDescription(ExifSubIFDDirectory.TAG_ISO_EQUIVALENT);\n\/\/\u7126\u70b9\u8ddd\u96e2\uff1aFocalLength\nString FocalLength = descriptor.getFocalLengthDescription();\n\/\/\u7d5e\u308a:FNumber\nString FNumber = descriptor.getFNumberDescription();\n\/\/\u30b7\u30e3\u30c3\u30bf\u30fc\u30b9\u30d4\u30fc\u30c9\uff1aShutterSpeed\nString ShutterSpeed = descriptor.getShutterSpeedDescription();\nSystem.out.println(\"Model---->\"+Model);\nSystem.out.println(\"Lens---->\"+Lens);\nSystem.out.println(\"ISO---->\"+ISO);\nSystem.out.println(\"FocalLength---->\"+FocalLength);\nSystem.out.println(\"FNumber---->\"+FNumber);\nSystem.out.println(\"ShutterSpeed---->\"+ShutterSpeed);\n} catch (ImageProcessingException e) {\nSystem.err.println(\"error 1a: \" + e);\n} catch (IOException e) {\nSystem.err.println(\"error 1b: \" + e);\n}\n}\npublic static void main(String[] args) throws IOException{\nif(args.length == 1){\nnew Read_Min_Tag(args[0]);\n} else {\nSystem.err.println(\"usage: java Read_Min_Tag filename\");\n}\n}\n}\n<\/pre>\n<p>\u51fa\u529b\u7d50\u679c\u306f\u3001\u3053\u3093\u306a\u611f\u3058\u3002<\/p>\n<pre class=\"brush:java; gutter:false;\">\nModel---->NIKON D5100\nLens---->18.0-55.0 mm f\/3.5-5.6\nISO---->100\nFocalLength---->18.0 mm\nFNumber---->F8\nShutterSpeed---->1\/159 sec\n<\/pre>\n<p>Perl\u7248\u306b\u305d\u3063\u304f\u308a\u306b\u3067\u304d\u307e\u3059\u3002<br \/>\n\u304a\u304a\uff01<\/p>\n<pre class=\"brush:java; gutter:false;\">\n\u25a0\u5b9f\u9a13\u30ce\u30fc\u30c8\u25a0\n5\/10:apache commons images\u3092\u767a\u898b\u3002\u30a4\u30f3\u30bf\u30d5\u30a8\u30fc\u30b9\u304c\u6c5a\u305d\u3046\u3002\n5\/10:\u4fdd\u5b88\u304c\u6b62\u307e\u3063\u3066\u3044\u308b\u307f\u305f\u3044\u3002\u306a\u306e\u3067\u4e0d\u63a1\u7528\u3002\n5\/10:metadata-extractor\u3092\u767a\u898b\u3002Drew Noakes\u6c0f\u304c\u30e1\u30f3\u30c6\u3002\n5\/10:\u4ed6\u306b\u3082\u9762\u767d\u305d\u3046\u306a\u753b\u50cf\u51e6\u7406\u7cfb\u30bd\u30d5\u30c8\u3092\u516c\u958b\u3057\u3066\u3044\u308b\u3088\u3046\u3059\u3002\n5\/10:metadata-extractor\u306fgoogle-code\u4e0a\u3067\u30e1\u30f3\u30c6\u304c\u7d9a\u3044\u3066\u3044\u308b\u3002\n5\/10:\u30a4\u30f3\u30bf\u30d5\u30a7\u30fc\u30b9\u3082\u8efd\u305d\u3046\u306a\u306e\u3067\u3001\u307e\u305a\u63a1\u7528\u3002\n5\/11:eclipse\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u74b0\u5883\u6574\u5099\u306b\u82e6\u6226\u3002\n5\/11:\u843d\u3068\u3057\u3066\u304d\u305fbuild.xml\u3067\u306fant-build\u304c\u5931\u6557.adobe-xmp\u306ejar\u304c\u5fc5\u8981\n5\/11:javac\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u6587\u5b57\u5316\u3051\u3002\u30a8\u30f3\u30b3\u30fc\u30c9\u3092\u6b63\u3059\u3002\n5\/12:\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3059\u308b\u3002jar\u3092build path\u306b\u304f\u308f\u3048\u308b\u3002\n5\/12:buil.xml\u3092\u8aad\u307f\u59cb\u3081\u308b\u3002\u624b\u4fee\u6b63\u3002\u53c2\u7167\u3057\u3066\u3044\u308bjar\u306e\u30d5\u30a9\u30eb\u30c0\u30fc\u540d\u304c\u4e0d\u4e00\u81f4\n5\/12:ecllipse\u306f\u6240\u8a6e\u3001\u958b\u767a\u652f\u63f4\u30ec\u30d9\u30eb\u3002\u3067\u3082\u3001\u305d\u308c\u3067\u3044\u3044\u3002\n5\/12:junit\u304c\u53e4\u3044\u3002\u6700\u65b0\u3092\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u30e9\u30a4\u30d6\u30e9\u30ea\u306bimport\u3002\n5\/13:junit\u304c\u5931\u6557\u3002\u6210\u529f5\u30b7\u30ca\u30ea\u30aa\u3001\u5931\u65571\u30b7\u30ca\u30ea\u30aa\u3002\n5\/14:junit\u6210\u529f\u3002build.xml\u306b\u8a18\u8ff0\u3055\u308c\u3066\u3044\u308b\u30c6\u30b9\u30c8\u30bb\u30c3\u30c8\u306e\u30d1\u30b9\u5b9a\u7fa9\u304c\u3044\u3044\u52a0\u6e1b\u3002\n5\/14:java\u30b3\u30de\u30f3\u30c9\u3067\u306e\u5b9f\u884c\u306b\u5931\u6557\u3002\u30af\u30e9\u30b9\u30d1\u30b9\u5b9a\u7fa9\u3002\n5\/14:class\u30d5\u30a1\u30a4\u30eb\u306b\u306f\u30d1\u30b9\u307e\u3067\u3001jar\u30d5\u30a1\u30a4\u30eb\u306b\u306f\u30d1\u30b9\uff0b\u30d5\u30a1\u30a4\u30eb\u540d\u3092\u8a18\u8ff0\u3002\n5\/15:java\u30b3\u30de\u30f3\u30c9\u6210\u529f\u3002\n<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>Perl\u3067\u66f8\u3044\u305fexif\u8aad\u307f\u53d6\u308a\u30a2\u30d7\u30ea\u3001\u500b\u4eba\u7684\u306b\u306f\u7d50\u69cb\u5f79\u306b\u7acb\u3063\u3066\u3044\u307e\u3059\u3002 \u305d\u3053\u3067\u3001\u3053\u306eExif\u8aad\u307f\u8fbc\u307f\u30a2\u30d7\u30ea,\u3082\u3046\u5c11\u3057\u6975\u3081\u3066\u307f\u3088\u3046\u3068\u304a\u3082\u3044\u306f\u3058\u3081\u307e\u3057\u305f\u3002 GG\u30d7\u30ed\u30b0\u30e9\u30de\u30fc\u3068\u3057\u3066\u3001exif\u53d6\u5f97\u30a2\u30d7\u30ea\u3092\u3001\u306a\u308b\u3079\u304f\u8fd1\u3044\u5916\u90e8\u4ed5\u69d8 [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-525","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/www.step3.net\/index.php?rest_route=\/wp\/v2\/posts\/525","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.step3.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.step3.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.step3.net\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.step3.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=525"}],"version-history":[{"count":1,"href":"https:\/\/www.step3.net\/index.php?rest_route=\/wp\/v2\/posts\/525\/revisions"}],"predecessor-version":[{"id":2755,"href":"https:\/\/www.step3.net\/index.php?rest_route=\/wp\/v2\/posts\/525\/revisions\/2755"}],"wp:attachment":[{"href":"https:\/\/www.step3.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=525"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.step3.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=525"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.step3.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=525"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}