T\u00e1c ph\u1ea9m th\u1ec3 hi\u1ec7n gi\u00e1 tr\u1ecb ngh\u1ec7 thu\u1eadt cao \u1edf k\u1ef9 thu\u1eadt v\u1ebd m\u1edd gradient tinh t\u1ebf, bi\u1ebfn kh\u00f4ng gian th\u00e0nh c\u1ea3m x\u00fac thu\u1ea7n t\u00fay \u2013 tr\u01b0\u1eddng ph\u00e1i tr\u1eebu t\u01b0\u1ee3ng hi\u1ec7n \u0111\u1ea1i k\u1ebft h\u1ee3p y\u1ebfu t\u1ed1 l\u00e3ng m\u1ea1n. Gi\u00e1 tr\u1ecb c\u1ea3m x\u00fac n\u1eb1m \u1edf kh\u1ea3 n\u0103ng kh\u01a1i g\u1ee3i s\u1ef1 t\u0129nh l\u1eb7ng n\u1ed9i t\u00e2m v\u00e0 s\u1ef1 mong manh c\u1ee7a th\u1eddi gian, gi\u00fap ng\u01b0\u1eddi ng\u1eafm t\u00ecm th\u1ea5y kho\u1ea3ng l\u1eb7ng gi\u1eefa cu\u1ed9c s\u1ed1ng h\u1ed1i h\u1ea3. V\u1ec1 th\u1ea9m m\u1ef9, b\u1ee9c tranh s\u1edf h\u1eefu t\u00ednh bi\u1ec3u t\u01b0\u1ee3ng m\u1ea1nh, d\u1ec5 d\u00e0ng h\u00f2a h\u1ee3p v\u1edbi kh\u00f4ng gian th\u01b0 gi\u00e3n, ph\u00f2ng thi\u1ec1n ho\u1eb7c b\u1ed9 s\u01b0u t\u1eadp ngh\u1ec7 thu\u1eadt \u0111\u01b0\u01a1ng \u0111\u1ea1i, \u0111\u1ed3ng th\u1eddi mang ti\u1ec1m n\u0103ng \u0111\u1ea7u t\u01b0 l\u00e2u d\u00e0i nh\u1edd s\u1ef1 tinh khi\u1ebft v\u00e0 chi\u1ec1u s\u00e2u c\u1ea3m x\u00fac v\u0129nh c\u1eedu.<\/p>\n
B\u1ee9c tranh d\u1eabn ng\u01b0\u1eddi xem v\u00e0o kho\u1ea3nh kh\u1eafc chuy\u1ec3n giao d\u1ecbu d\u00e0ng gi\u1eefa ng\u00e0y v\u00e0 \u0111\u00eam, n\u01a1i \u0111\u01b0\u1eddng ch\u00e2n tr\u1eddi ch\u1ec9 c\u00f2n l\u00e0 m\u1ed9t \u0111\u01b0\u1eddng ranh gi\u1edbi mong manh, m\u1edd \u1ea3o. T\u00f4ng m\u00e0u t\u00edm h\u1ed3ng ch\u1ee7 \u0111\u1ea1o lan t\u1ecfa kh\u1eafp kh\u00f4ng gian nh\u01b0 l\u1edbp s\u01b0\u01a1ng m\u1ecfng, h\u00f2a quy\u1ec7n gi\u1eefa b\u1ea7u tr\u1eddi v\u00e0 m\u1eb7t n\u01b0\u1edbc l\u1eb7ng s\u00f3ng. Nh\u1eefng v\u1ec7t tr\u1eafng tinh t\u1ebf ph\u1ea3n chi\u1ebfu \u00e1nh s\u00e1ng cu\u1ed1i c\u00f9ng, g\u1ee3i l\u00ean s\u1ef1 chuy\u1ec3n \u0111\u1ed9ng nh\u1eb9 nh\u00e0ng c\u1ee7a l\u00e0n s\u00f3ng ho\u1eb7c h\u01a1i th\u1edf c\u1ee7a gi\u00f3, t\u1ea1o n\u00ean c\u1ea3m gi\u00e1c b\u00ecnh y\u00ean xen l\u1eabn ho\u00e0i ni\u1ec7m, nh\u01b0 m\u1ed9t gi\u1ea5c m\u01a1 \u0111ang tan d\u1ea7n.<\/p>\n