[{"data":1,"prerenderedAt":52},["ShallowReactive",2],{"tool-related-blog-ja-image-resize":3},[4,24,38],{"slug":5,"locale":6,"title":7,"description":8,"date":9,"author":10,"tags":11,"readingTime":16,"recommendedTools":17},"ai-image-upscaling-resolution-detail-accuracy-guide","ja","AIで画像を4倍にすると、細部も正確になる？","AI拡大の解像度・鮮明さ・正確さを区別し、2倍と4倍の処理の違いや、文字・模様・顔を原画像と比較する方法を解説します。","2026-09-15","DocCrunch Team",[12,13,14,15],"AI画像拡大","超解像","4倍拡大","画像の細部の正確さ",5,[18,20,22],{"slug":19},"image-upscale",{"slug":21},"image-resize",{"slug":23},"image-compress",{"slug":25,"locale":6,"title":26,"description":27,"date":9,"author":10,"tags":28,"readingTime":16,"recommendedTools":33},"image-resize-crop-aspect-ratio-composition-guide","画像サイズと構図：縦横比・切り抜き・余白の違い","画像のピクセル寸法と縦横比を区別し、切り抜き・余白・引き伸ばしの違いと、一括処理で確認したい点を解説します。",[29,30,31,32],"画像サイズ変更","画像切り抜き","縦横比","構図",[34,35,37],{"slug":21},{"slug":36},"image-crop",{"slug":23},{"slug":39,"locale":6,"title":40,"description":41,"date":9,"author":10,"tags":42,"readingTime":16,"recommendedTools":47},"repeated-image-saving-jpeg-quality-loss-guide","画像を何度も保存すると画質が落ちるのはなぜ？","ファイルコピーと再エンコードを区別し、JPEGの繰り返し圧縮やPNG変換の限界、原画像を残して最終出力を確認する方法を解説。",[43,44,45,46],"画像の繰り返し保存","JPEG画質劣化","画像の再エンコード","画像圧縮",[48,49,51],{"slug":23},{"slug":50},"convert-to-jpg",{"slug":21},1789443073130]