Vanitas no Karte / 瓦尼塔斯的手札 10-bit 1080p HEVC BDRip [Fin]

原盤畫質很差。原生解析度是骨頭社祖傳的 720p。主要瑕疵就是欠碼，極度欠碼。線條周圍有明顯蚊噪，平面有極寬極重的色帶。線條還很糊，伴有較重的鋸齒和輕微的振鈴，噪點則聊勝於無，由於色帶太重，噪點層中甚至都有殘留的色帶。我們參考了美版 BD，色帶情況略好一些，但有較重的振鈴問題（推測是美版在灌錄前進行了沒必要的拉升），同樣不好處理，所以最後我們還是使用日版 BD 進行了製作。如此嚴重的色帶問題，無非就是大力去色帶或者直接加噪點掩蓋，出於碼率控制考量，我們選擇了前者。在演算法選擇上，我們使用了針對巨大色帶的新式演算法，盡量減少了紋理損失。至於其他欠碼問題則採用了基於神經網路演算法的自適應去色塊處理。由於線條質量也欠佳，我們在逆向拉升重構時選用了更費算力但相對優質的還原拉升演算法。其他就是常規處理了：抗鋸齒、補償性銳化、自適應降噪。

感謝所有參與制作者：
總監：Vanitas
壓制：Noe Archiviste
整理：maboroshi
發布：sillonae
分流：VCB-Studio CDN 分流成員

Image Credit: Yonab

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sillonae

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