Dungeon ni Deai o Motomeru no wa Machigatte Iru Darouka IV / 在地下城尋求邂逅是否搞錯了什麼 IV 1080p HEVC BDRip [Fin]

原盤畫質較差。原生分辨率非常混亂，大部分素材為原生 900p；少部分素材分辨率較低，比如 800p、810p；還有一部分素材分辨率較高，分布在 900 至 1080 之間，比如 903、946、965、1080 等等。官方製作時的後期處理也是亂七八糟，有時銳化、有時模糊。以上問題導致部分線條有嚴重的鋸齒和振鈴。源還加了一層高強度動態噪點，產生了不少壓縮瑕疵，少數暗場還有非常嚴重的色帶。

我們進行了逆向拉伸重構，並配合必要的分段和遮罩以處理不同分辨率的素材，輔以常規的抗鋸齒和去振鈴以清理殘留的瑕疵。然後是自適應去色帶、補償性銳化。考慮到體積限制，我們進行了噪點層時域穩定，並配合亮度自適應降噪以控制碼率。

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