{"id":12683,"date":"2025-02-17T01:30:10","date_gmt":"2025-02-16T22:30:10","guid":{"rendered":"https:\/\/fatihsoysal.com\/blog\/pytorchta-rastgele-posterizasyon-goruntu-isleme-teknikleri\/"},"modified":"2025-02-17T01:30:10","modified_gmt":"2025-02-16T22:30:10","slug":"pytorchta-rastgele-posterizasyon-goruntu-isleme-teknikleri","status":"publish","type":"post","link":"https:\/\/fatihsoysal.com\/blog\/pytorchta-rastgele-posterizasyon-goruntu-isleme-teknikleri\/","title":{"rendered":"PyTorch&#8217;ta Rastgele Posterizasyon: G\u00f6r\u00fcnt\u00fc \u0130\u015fleme Teknikleri"},"content":{"rendered":"<p>PyTorch&#8217;ta Rastgele Posterizasyon: G\u00f6r\u00fcnt\u00fc \u0130\u015fleme Teknikleri<\/p>\n<p>Merhaba, Fatih Soysal burada. Bu makalede, PyTorch kullanarak g\u00f6r\u00fcnt\u00fclerde rastgele posterizasyon i\u015flemini nas\u0131l uygulayaca\u011f\u0131n\u0131z\u0131 detayl\u0131 olarak a\u00e7\u0131klayaca\u011f\u0131m.  Posterizasyon, renk paleti say\u0131s\u0131n\u0131 azaltarak g\u00f6r\u00fcnt\u00fcn\u00fcn daha az renkle g\u00f6sterilmesini sa\u011flayan bir g\u00f6r\u00fcnt\u00fc i\u015fleme tekni\u011fidir.  Rastgele posterizasyon ise bu i\u015flemi her piksel i\u00e7in farkl\u0131 say\u0131da renk seviyesi kullanarak daha organik ve ilgin\u00e7 sonu\u00e7lar elde etmemizi sa\u011flar. Bu teknik, \u00f6zellikle stilize edilmi\u015f g\u00f6r\u00fcnt\u00fcler olu\u015fturmak veya \u00e7e\u015fitli veri art\u0131rma stratejilerinde kullan\u0131labilir. <\/p>\n<h2>Posterizasyonun Temelleri<\/h2>\n<p>\u00d6ncelikle posterizasyonun temel mant\u0131\u011f\u0131n\u0131 anlamak \u00f6nemlidir.  Normal bir renkli g\u00f6r\u00fcnt\u00fc, her piksel i\u00e7in k\u0131rm\u0131z\u0131, ye\u015fil ve mavi (RGB) renk bile\u015fenlerinin 0 ile 255 aras\u0131nda de\u011fi\u015fen 256 farkl\u0131 de\u011fer i\u00e7erir. Posterizasyon, bu de\u011fer aral\u0131\u011f\u0131n\u0131 daha az say\u0131da seviyeye indirgeyerek \u00e7al\u0131\u015f\u0131r. \u00d6rne\u011fin, 4 seviyeli posterizasyon, her renk bile\u015fenini 4 farkl\u0131 de\u011fere (\u00f6rne\u011fin 0, 64, 128, 255) indirger. Bu, g\u00f6r\u00fcnt\u00fcn\u00fcn daha az renkle, basitle\u015ftirilmi\u015f bir \u015fekilde g\u00f6sterilmesini sa\u011flar.  Sonu\u00e7 olarak,  g\u00f6r\u00fcnt\u00fc daha az detay i\u00e7erecek ancak daha stilize bir g\u00f6r\u00fcn\u00fcm kazanacakt\u0131r.<\/p>\n<h2>PyTorch ile Rastgele Posterizasyon Uygulamas\u0131<\/h2>\n<p>\u015eimdi, PyTorch kullanarak rastgele posterizasyon i\u015flemini nas\u0131l uygulayaca\u011f\u0131m\u0131z\u0131 inceleyelim. A\u015fa\u011f\u0131daki kod blo\u011fu,  giri\u015f g\u00f6r\u00fcnt\u00fcs\u00fcn\u00fc rastgele say\u0131da renk seviyesine indirgeyerek posterize eder:<\/p>\n<pre><code class=\"language-python\">\nimport torch\nimport torch.nn.functional as F\n\ndef random_posterize(image, levels_min=2, levels_max=8):\n    #Her bir renk kanal\u0131 i\u00e7in rastgele seviye say\u0131s\u0131 olu\u015fturur\n    levels = torch.randint(levels_min, levels_max +1, (3,))\n\n    #Her bir kanal i\u00e7in posterizasyon i\u015flemi uygulan\u0131r.\n    posterized_image = torch.zeros_like(image)\n    for i in range(3):\n        posterized_image[:, i, :, :] = torch.floor(image[:, i, :, :] \/ 256 * levels[i]) * (256 \/ levels[i])\n    return posterized_image\n\n\n# \u00d6rnek kullan\u0131m:\nimage = torch.randn(1, 3, 256, 256) * 127 + 128 # \u00d6rnek bir g\u00f6r\u00fcnt\u00fc olu\u015fturur.\nposterized_image = random_posterize(image.type(torch.uint8), levels_min=2, levels_max=4)\nprint(posterized_image.shape) # \u00c7\u0131kt\u0131: torch.Size([1, 3, 256, 256])\n\n<\/code><\/pre>\n<p>Bu kod, \u00f6ncelikle her bir RGB kanal i\u00e7in rastgele bir seviye say\u0131s\u0131 \u00fcretir.  Daha sonra, her bir kanal\u0131n piksel de\u011ferleri, bu rastgele seviyelere g\u00f6re yeniden \u00f6l\u00e7eklendirilir ve posterizasyon i\u015flemi tamamlan\u0131r.  Sonu\u00e7 olarak, giri\u015f g\u00f6r\u00fcnt\u00fcs\u00fc,  daha az renk seviyesiyle  farkl\u0131 bir stile sahip bir g\u00f6r\u00fcnt\u00fcye d\u00f6n\u00fc\u015ft\u00fcr\u00fclm\u00fc\u015f olur.<\/p>\n<h2>Uygulama \u00d6rnekleri ve \u0130leri Seviye Teknikler<\/h2>\n<p>Rastgele posterizasyon, veri art\u0131rma s\u00fcre\u00e7lerinde, stil transferi uygulamalar\u0131nda veya farkl\u0131 sanatsal efektler olu\u015fturmada kullan\u0131labilir.  \u00d6rne\u011fin, bir g\u00f6r\u00fcnt\u00fc s\u0131n\u0131fland\u0131rma modelini e\u011fitirken,  bu teknik, modelin farkl\u0131 renk paleti varyasyonlar\u0131na daha dayan\u0131kl\u0131 hale gelmesine yard\u0131mc\u0131 olabilir.  Ayr\u0131ca, daha karma\u015f\u0131k posterizasyon y\u00f6ntemleri,  \u00f6rne\u011fin,  renk paleti se\u00e7imini daha hassas bir \u015fekilde kontrol etmeyi i\u00e7eren y\u00f6ntemler de geli\u015ftirilebilir.  Bu t\u00fcr geli\u015fmi\u015f teknikler i\u00e7in  <a href=\"https:\/\/dev.to\/hyperkai\/randomposterize-in-pytorch-35e6\">bu kayna\u011fa<\/a> g\u00f6z atabilirsiniz.<\/p>\n<p>Bu makalenin PyTorch&#8217;ta rastgele posterizasyon hakk\u0131nda daha fazla bilgi edinmenize yard\u0131mc\u0131 olaca\u011f\u0131n\u0131 umuyorum.  Daha fazla soru veya \u00f6neriniz varsa, l\u00fctfen yorumlarda belirtin.  Daha fazla makale i\u00e7in <a href=\"https:\/\/fatihsoysal.com\">web sitemi<\/a> ziyaret edebilirsiniz.<\/p>\n<p>#Etiketler: PyTorch, Rastgele Posterizasyon, G\u00f6r\u00fcnt\u00fc \u0130\u015fleme, Veri Art\u0131rma, Derin \u00d6\u011frenme,  Python, G\u00f6r\u00fcnt\u00fc S\u0131n\u0131fland\u0131rma,  Stil Transferi,  Renk Paleti, Fatih Soysal<\/p>\n","protected":false},"excerpt":{"rendered":"PyTorch&#8217;ta Rastgele Posterizasyon: G\u00f6r\u00fcnt\u00fc \u0130\u015fleme Teknikleri Merhaba, Fatih Soysal burada. Bu makalede, PyTorch kullanarak g\u00f6r\u00fcnt\u00fclerde rastgele posterizasyon i\u015flemini&hellip;","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"csco_page_header_type":"","csco_page_load_nextpost":"","csco_page_subscribe_form":"","csco_page_contact_form":"","footnotes":""},"categories":[1],"tags":[],"class_list":{"0":"post-12683","1":"post","2":"type-post","3":"status-publish","4":"format-standard","6":"category-genel","7":"cs-entry","8":"cs-video-wrap"},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v20.5 (Yoast SEO v25.3.1) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>PyTorch&#039;ta Rastgele Posterizasyon: G\u00f6r\u00fcnt\u00fc \u0130\u015fleme Teknikleri<\/title>\n<meta name=\"description\" content=\"Merhaba, Fatih Soysal burada. Bu makalede, PyTorch kullanarak g\u00f6r\u00fcnt\u00fclerde rastgele posterizasyon i\u015flemini nas\u0131l uygulayaca\u011f\u0131n\u0131z\u0131 detayl\u0131 olarak a\u00e7\u0131klayaca\u011f\u0131m. Posterizasyon, renk paleti say\u0131s\u0131n\u0131 azaltarak g\u00f6r\u00fcnt\u00fcn\u00fcn daha az renkle g\u00f6sterilmesini sa\u011flayan bir g\u00f6r\u00fcnt\u00fc i\u015fleme tekni\u011fidir. Rastgele posterizasyon ise bu i\u015flemi her piksel i\u00e7in farkl\u0131 say\u0131da renk seviyesi kullanarak daha organik ve ilgin\u00e7 sonu\u00e7lar elde etmemizi sa\u011flar. Bu teknik, \u00f6zellikle stilize edilmi\u015f g\u00f6r\u00fcnt\u00fcler olu\u015fturmak veya \u00e7e\u015fitli veri art\u0131rma stratejilerinde kullan\u0131labilir.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/fatihsoysal.com\/blog\/pytorchta-rastgele-posterizasyon-goruntu-isleme-teknikleri\/\" \/>\n<meta property=\"og:locale\" content=\"tr_TR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"PyTorch&#039;ta Rastgele Posterizasyon: G\u00f6r\u00fcnt\u00fc \u0130\u015fleme Teknikleri\" \/>\n<meta property=\"og:description\" content=\"Merhaba, Fatih Soysal burada. Bu makalede, PyTorch kullanarak g\u00f6r\u00fcnt\u00fclerde rastgele posterizasyon i\u015flemini nas\u0131l uygulayaca\u011f\u0131n\u0131z\u0131 detayl\u0131 olarak a\u00e7\u0131klayaca\u011f\u0131m. Posterizasyon, renk paleti say\u0131s\u0131n\u0131 azaltarak g\u00f6r\u00fcnt\u00fcn\u00fcn daha az renkle g\u00f6sterilmesini sa\u011flayan bir g\u00f6r\u00fcnt\u00fc i\u015fleme tekni\u011fidir. Rastgele posterizasyon ise bu i\u015flemi her piksel i\u00e7in farkl\u0131 say\u0131da renk seviyesi kullanarak daha organik ve ilgin\u00e7 sonu\u00e7lar elde etmemizi sa\u011flar. Bu teknik, \u00f6zellikle stilize edilmi\u015f g\u00f6r\u00fcnt\u00fcler olu\u015fturmak veya \u00e7e\u015fitli veri art\u0131rma stratejilerinde kullan\u0131labilir.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/fatihsoysal.com\/blog\/pytorchta-rastgele-posterizasyon-goruntu-isleme-teknikleri\/\" \/>\n<meta property=\"og:site_name\" content=\"Kodlar\u0131n Gizemli D\u00fcnyas\u0131\" \/>\n<meta property=\"article:published_time\" content=\"2025-02-16T22:30:10+00:00\" \/>\n<meta name=\"author\" content=\"Fatih Soysal\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Yazan:\" \/>\n\t<meta name=\"twitter:data1\" content=\"Fatih Soysal\" \/>\n\t<meta name=\"twitter:label2\" content=\"Tahmini okuma s\u00fcresi\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 dakika\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/fatihsoysal.com\/blog\/pytorchta-rastgele-posterizasyon-goruntu-isleme-teknikleri\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/fatihsoysal.com\/blog\/pytorchta-rastgele-posterizasyon-goruntu-isleme-teknikleri\/\"},\"author\":{\"name\":\"Fatih Soysal\",\"@id\":\"https:\/\/fatihsoysal.com\/blog\/#\/schema\/person\/002a254750921dcfd568a99e48240dd1\"},\"headline\":\"PyTorch&#8217;ta Rastgele Posterizasyon: G\u00f6r\u00fcnt\u00fc \u0130\u015fleme Teknikleri\",\"datePublished\":\"2025-02-16T22:30:10+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/fatihsoysal.com\/blog\/pytorchta-rastgele-posterizasyon-goruntu-isleme-teknikleri\/\"},\"wordCount\":484,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/fatihsoysal.com\/blog\/#\/schema\/person\/002a254750921dcfd568a99e48240dd1\"},\"inLanguage\":\"tr\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/fatihsoysal.com\/blog\/pytorchta-rastgele-posterizasyon-goruntu-isleme-teknikleri\/#respond\"]}],\"copyrightYear\":\"2025\",\"copyrightHolder\":{\"@id\":\"https:\/\/fatihsoysal.com\/blog\/#organization\"}},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/fatihsoysal.com\/blog\/pytorchta-rastgele-posterizasyon-goruntu-isleme-teknikleri\/\",\"url\":\"https:\/\/fatihsoysal.com\/blog\/pytorchta-rastgele-posterizasyon-goruntu-isleme-teknikleri\/\",\"name\":\"PyTorch'ta Rastgele Posterizasyon: G\u00f6r\u00fcnt\u00fc \u0130\u015fleme Teknikleri\",\"isPartOf\":{\"@id\":\"https:\/\/fatihsoysal.com\/blog\/#website\"},\"datePublished\":\"2025-02-16T22:30:10+00:00\",\"description\":\"Merhaba, Fatih Soysal burada. 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Bu makalede, PyTorch kullanarak g\u00f6r\u00fcnt\u00fclerde rastgele posterizasyon i\u015flemini nas\u0131l uygulayaca\u011f\u0131n\u0131z\u0131 detayl\u0131 olarak a\u00e7\u0131klayaca\u011f\u0131m. Posterizasyon, renk paleti say\u0131s\u0131n\u0131 azaltarak g\u00f6r\u00fcnt\u00fcn\u00fcn daha az renkle g\u00f6sterilmesini sa\u011flayan bir g\u00f6r\u00fcnt\u00fc i\u015fleme tekni\u011fidir. Rastgele posterizasyon ise bu i\u015flemi her piksel i\u00e7in farkl\u0131 say\u0131da renk seviyesi kullanarak daha organik ve ilgin\u00e7 sonu\u00e7lar elde etmemizi sa\u011flar. 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