{"published":"2008-08-02 08:31:23","url":"https://akabane-k.hatenablog.com/entry/7fbfd8c055a7120d4dcaed45ff6c9c40","title":"watermark","provider_name":"Hatena Blog","author_name":"akabane_k","width":"100%","description":"The Nikkei Weekly \u306e\uff17\u6708\uff12\uff11\u53f7\u306eTechnology\u9762\u306e\u8a18\u4e8b\u306b\u3042\u3063\u305f\u6587\u3067\u3059\u3002Widespread use of digital signatures and watermarks is important for copyright protection. It also makes it easier to edit surveillance camera footage and still prove its authenticity.\"digital signatures\" \u304c\u5177\u4f53\u7684\u306b\u306f\u3069\u306e\u69d8\u306a\u6280\u8853\u3092\u4f7f\u3063\u3066\u3044\u308b\u306e\u304b\u77e5\u308a\u307e\u305b\u3093\u304c\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306b\u95a2\u3059\u308b\u6280\u8853\u3067\u3042\u308b\u4e8b\u306f\u5206\u304b\u308a\u307e\u3059\u2026","version":"1.0","provider_url":"https://hatena.blog","blog_url":"https://akabane-k.hatenablog.com/","height":"190","type":"rich","blog_title":"English Collection","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fakabane-k.hatenablog.com%2Fentry%2F7fbfd8c055a7120d4dcaed45ff6c9c40\" title=\"watermark - English Collection\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","image_url":null,"categories":["\u82f1\u8a9e\u5b66\u7fd2"],"author_url":"https://blog.hatena.ne.jp/akabane_k/"}