{"id":25716,"date":"2025-07-25T09:12:03","date_gmt":"2025-07-25T02:12:03","guid":{"rendered":"https:\/\/vbee.vn\/blog\/?p=25716"},"modified":"2025-08-19T15:52:00","modified_gmt":"2025-08-19T08:52:00","slug":"cach-giu-nhan-vat-on-dinh-trong-veo-3","status":"publish","type":"post","link":"https:\/\/vbee.vn\/blog\/chia-se\/cach-giu-nhan-vat-on-dinh-trong-veo-3\/","title":{"rendered":"H\u01b0\u1edbng d\u1eabn chi ti\u1ebft c\u00e1ch gi\u1eef nh\u00e2n v\u1eadt \u1ed5n \u0111\u1ecbnh trong Veo 3"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\"><div class=\"ez-toc-title-container\"><p class=\"ez-toc-title\" style=\"cursor:inherit\">N\u1ed9i dung ch\u00ednh<\/p><span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div><nav><ul class='ez-toc-list ez-toc-list-level-1 eztoc-toggle-hide-by-default' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/vbee.vn\/blog\/chia-se\/cach-giu-nhan-vat-on-dinh-trong-veo-3\/#1_Nguyen_nhan_khien_nhan_vat_khong_on_dinh_trong_Veo_3\" >1. Nguy\u00ean nh\u00e2n khi\u1ebfn nh\u00e2n v\u1eadt kh\u00f4ng \u1ed5n \u0111\u1ecbnh trong Veo 3<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/vbee.vn\/blog\/chia-se\/cach-giu-nhan-vat-on-dinh-trong-veo-3\/#2_7_cach_giu_nhan_vat_on_dinh_trong_Veo_3\" >2. 7 c\u00e1ch gi\u1eef nh\u00e2n v\u1eadt \u1ed5n \u0111\u1ecbnh trong Veo 3<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/vbee.vn\/blog\/chia-se\/cach-giu-nhan-vat-on-dinh-trong-veo-3\/#21_Viet_prompt_chi_tiet_va_nhat_quan\" >2.1 Vi\u1ebft prompt chi ti\u1ebft v\u00e0 nh\u1ea5t qu\u00e1n<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/vbee.vn\/blog\/chia-se\/cach-giu-nhan-vat-on-dinh-trong-veo-3\/#22_Su_dung_anh_tham_chieu_Visual_Anchor\" >2.2 S\u1eed d\u1ee5ng \u1ea3nh tham chi\u1ebfu (Visual Anchor)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/vbee.vn\/blog\/chia-se\/cach-giu-nhan-vat-on-dinh-trong-veo-3\/#23_Su_dung_tinh_nang_%E2%80%9CThem_vao_canh%E2%80%9D_tren_Flow\" >2.3 S\u1eed d\u1ee5ng t\u00ednh n\u0103ng \u201cTh\u00eam v\u00e0o c\u1ea3nh\u201d tr\u00ean Flow<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/vbee.vn\/blog\/chia-se\/cach-giu-nhan-vat-on-dinh-trong-veo-3\/#24_Giu_seed_co_dinh\" >2.4 Gi\u1eef seed c\u1ed1 \u0111\u1ecbnh<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/vbee.vn\/blog\/chia-se\/cach-giu-nhan-vat-on-dinh-trong-veo-3\/#25_Nhat_quan_boi_canh\" >2.5 Nh\u1ea5t qu\u00e1n b\u1ed1i c\u1ea3nh<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/vbee.vn\/blog\/chia-se\/cach-giu-nhan-vat-on-dinh-trong-veo-3\/#26_Don_gian_hoa_loi_thoai_va_hanh_dong\" >2.6 \u0110\u01a1n gi\u1ea3n h\u00f3a l\u1eddi tho\u1ea1i v\u00e0 h\u00e0nh \u0111\u1ed9ng<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/vbee.vn\/blog\/chia-se\/cach-giu-nhan-vat-on-dinh-trong-veo-3\/#27_Kiem_tra_va_tinh_chinh_thuong_xuyen\" >2.7 Ki\u1ec3m tra v\u00e0 tinh ch\u1ec9nh th\u01b0\u1eddng xuy\u00ean<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/vbee.vn\/blog\/chia-se\/cach-giu-nhan-vat-on-dinh-trong-veo-3\/#3_Cau_hoi_thuong_gap\" >3. C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/vbee.vn\/blog\/chia-se\/cach-giu-nhan-vat-on-dinh-trong-veo-3\/#31_Tai_sao_nhan_vat_trong_video_lai_bi_bien_dang_hoac_thay_doi_qua_cac_frame\" >3.1 T\u1ea1i sao nh\u00e2n v\u1eadt trong video l\u1ea1i b\u1ecb bi\u1ebfn d\u1ea1ng ho\u1eb7c thay \u0111\u1ed5i qua c\u00e1c frame?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/vbee.vn\/blog\/chia-se\/cach-giu-nhan-vat-on-dinh-trong-veo-3\/#32_Co_nen_dung_prompt_dang_%E2%80%9Csame_character%E2%80%9D_hay_%E2%80%9Csame_person%E2%80%9D_trong_Veo_khong\" >3.2 C\u00f3 n\u00ean d\u00f9ng prompt d\u1ea1ng \u201csame character\u201d hay \u201csame person\u201d trong Veo kh\u00f4ng?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/vbee.vn\/blog\/chia-se\/cach-giu-nhan-vat-on-dinh-trong-veo-3\/#33_Dung_Image-to-Video_co_giup_on_dinh_nhan_vat_hon_khong\" >3.3 D\u00f9ng Image-to-Video c\u00f3 gi\u00fap \u1ed5n \u0111\u1ecbnh nh\u00e2n v\u1eadt h\u01a1n kh\u00f4ng?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/vbee.vn\/blog\/chia-se\/cach-giu-nhan-vat-on-dinh-trong-veo-3\/#34_Co_can_su_dung_prompt_ngan_hay_dai_de_giu_nhan_vat_on_dinh\" >3.4 C\u00f3 c\u1ea7n s\u1eed d\u1ee5ng prompt ng\u1eafn hay d\u00e0i \u0111\u1ec3 gi\u1eef nh\u00e2n v\u1eadt \u1ed5n \u0111\u1ecbnh?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/vbee.vn\/blog\/chia-se\/cach-giu-nhan-vat-on-dinh-trong-veo-3\/#35_Camera_motion_co_anh_huong_den_do_on_dinh_cua_nhan_vat_khong\" >3.5 Camera motion c\u00f3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh c\u1ee7a nh\u00e2n v\u1eadt kh\u00f4ng?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/vbee.vn\/blog\/chia-se\/cach-giu-nhan-vat-on-dinh-trong-veo-3\/#36_Co_nen_them_nhieu_nhan_vat_vao_mot_canh_trong_Veo_3_khong\" >3.6 C\u00f3 n\u00ean th\u00eam nhi\u1ec1u nh\u00e2n v\u1eadt v\u00e0o m\u1ed9t c\u1ea3nh trong Veo 3 kh\u00f4ng?<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div><p><strong>Trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng Veo 3 \u0111\u1ec3 t\u1ea1o video, vi\u1ec7c gi\u1eef nh\u00e2n v\u1eadt \u1ed5n \u0111\u1ecbnh l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ednh nh\u1ea5t qu\u00e1n v\u00e0 chuy\u00ean nghi\u1ec7p. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd cung c\u1ea5p h\u01b0\u1edbng d\u1eabn chi ti\u1ebft c\u00e1c c\u00e1ch gi\u1eef nh\u00e2n v\u1eadt \u1ed5n \u0111\u1ecbnh trong Veo 3, gi\u00fap b\u1ea1n t\u1ea1o ra video v\u1edbi nh\u00e2n v\u1eadt li\u1ec1n m\u1ea1ch v\u00e0 \u0111\u1ed3ng nh\u1ea5t.<\/strong><\/p><p style=\"text-align: center;\"><p><iframe style=\"position: relative; top: 0px; border: none;\" title=\"H\u01b0\u1edbng d\u1eabn s\u1eed d\u1ee5ng\" src=\"https:\/\/vbee.vn\/demo\" width=\"100%\" height=\"320\"><\/iframe><\/p><h2><span class=\"ez-toc-section\" id=\"1_Nguyen_nhan_khien_nhan_vat_khong_on_dinh_trong_Veo_3\"><\/span>1. Nguy\u00ean nh\u00e2n khi\u1ebfn nh\u00e2n v\u1eadt kh\u00f4ng \u1ed5n \u0111\u1ecbnh trong Veo 3<span class=\"ez-toc-section-end\"><\/span><\/h2><p>S\u1ef1 kh\u00f4ng \u1ed5n \u0111\u1ecbnh c\u1ee7a nh\u00e2n v\u1eadt trong Veo 3 th\u01b0\u1eddng xu\u1ea5t ph\u00e1t t\u1eeb nhi\u1ec1u y\u1ebfu t\u1ed1 k\u1ef9 thu\u1eadt v\u00e0 c\u00e1ch s\u1eed d\u1ee5ng c\u00f4ng c\u1ee5. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 nh\u1eefng nguy\u00ean nh\u00e2n ch\u00ednh d\u1eabn \u0111\u1ebfn v\u1ea5n \u0111\u1ec1 n\u00e0y:<\/p><ul><li>Prompt thi\u1ebfu chi ti\u1ebft ho\u1eb7c kh\u00f4ng nh\u1ea5t qu\u00e1n<\/li><li>Kh\u00f4ng s\u1eed d\u1ee5ng \u1ea3nh tham chi\u1ebfu (visual anchor)<\/li><li>Kh\u00f4ng s\u1eed d\u1ee5ng temporal chain (chu\u1ed7i th\u1eddi gian)<\/li><li>Thay \u0111\u1ed5i seed number gi\u1eefa c\u00e1c shot<\/li><li>B\u1ed1i c\u1ea3nh ho\u1eb7c m\u00f4i tr\u01b0\u1eddng kh\u00f4ng nh\u1ea5t qu\u00e1n<\/li><li>H\u1ea1n ch\u1ebf k\u1ef9 thu\u1eadt c\u1ee7a veo 3<\/li><li>L\u1eddi tho\u1ea1i ho\u1eb7c h\u00e0nh \u0111\u1ed9ng ph\u1ee9c t\u1ea1p<\/li><li>K\u1ebft n\u1ed1i m\u1ea1ng ho\u1eb7c h\u1ea1n ch\u1ebf khu v\u1ef1c<\/li><\/ul><figure id=\"attachment_25720\" aria-describedby=\"caption-attachment-25720\" style=\"width: 768px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"size-full wp-image-25720\" src=\"https:\/\/vbee.vn\/blog\/wp-content\/uploads\/2025\/07\/Nguyen-nhan-khien-nhan-vat-khong-on-dinh.webp\" alt=\"Nh\u00e2n v\u1eadt kh\u00f4ng \u1ed5n \u0111\u1ecbnh gi\u1eefa c\u00e1c c\u1ea3nh khi t\u1ea1o video tr\u00ean Veo 3\" width=\"768\" height=\"600\" title=\"\" srcset=\"https:\/\/vbee.vn\/blog\/wp-content\/uploads\/2025\/07\/Nguyen-nhan-khien-nhan-vat-khong-on-dinh.webp 768w, https:\/\/vbee.vn\/blog\/wp-content\/uploads\/2025\/07\/Nguyen-nhan-khien-nhan-vat-khong-on-dinh-300x234.webp 300w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/><figcaption id=\"caption-attachment-25720\" class=\"wp-caption-text\">Nh\u00e2n v\u1eadt kh\u00f4ng \u1ed5n \u0111\u1ecbnh gi\u1eefa c\u00e1c c\u1ea3nh khi t\u1ea1o video tr\u00ean Veo 3.<\/figcaption><\/figure><h2><span class=\"ez-toc-section\" id=\"2_7_cach_giu_nhan_vat_on_dinh_trong_Veo_3\"><\/span>2. 7 c\u00e1ch gi\u1eef nh\u00e2n v\u1eadt \u1ed5n \u0111\u1ecbnh trong Veo 3<span class=\"ez-toc-section-end\"><\/span><\/h2><h3><span class=\"ez-toc-section\" id=\"21_Viet_prompt_chi_tiet_va_nhat_quan\"><\/span>2.1 Vi\u1ebft prompt chi ti\u1ebft v\u00e0 nh\u1ea5t qu\u00e1n<span class=\"ez-toc-section-end\"><\/span><\/h3><p>Prompt thi\u1ebfu chi ti\u1ebft ho\u1eb7c thay \u0111\u1ed5i gi\u1eefa c\u00e1c shot khi\u1ebfn AI t\u1ea1o ra c\u00e1c phi\u00ean b\u1ea3n kh\u00e1c nhau c\u1ee7a nh\u00e2n v\u1eadt. \u0110\u1ec3 kh\u1eafc ph\u1ee5c, lu\u00f4n m\u00f4 t\u1ea3 \u0111\u1ea7y \u0111\u1ee7 nh\u00e2n v\u1eadt (\u0111\u1ed9 tu\u1ed5i, ngo\u1ea1i h\u00ecnh, trang ph\u1ee5c, bi\u1ec3u c\u1ea3m) v\u00e0 l\u1eb7p l\u1ea1i ch\u00ednh x\u00e1c trong m\u1ecdi prompt, k\u1ebft h\u1ee3p b\u1ed1i c\u1ea3nh c\u1ee5 th\u1ec3 (\u00e1nh s\u00e1ng, th\u1eddi ti\u1ebft, m\u00f4i tr\u01b0\u1eddng) v\u00e0 thu\u1eadt ng\u1eef \u0111i\u1ec7n \u1ea3nh (g\u00f3c quay, phong c\u00e1ch).<\/p><p>C\u00e1c b\u01b0\u1edbc th\u1ef1c hi\u1ec7n:<\/p><ul><li>Vi\u1ebft prompt m\u1eabu cho shot \u0111\u1ea7u ti\u00ean: \u201cA 25-year-old <a rel=\"noopener\" target=\"_blank\" href=\"https:\/\/vbee.vn\">Vietnamese<\/a> woman, long black hair, wearing a red \u00e1o d\u00e0i, standing in a Hanoi market, sunny lighting, wide shot, cinematic style.\u201d<\/li><li>Trong shot ti\u1ebfp theo, l\u1eb7p l\u1ea1i m\u00f4 t\u1ea3 nh\u00e2n v\u1eadt v\u00e0 b\u1ed1i c\u1ea3nh: \u201cThe same 25-year-old Vietnamese woman, long black hair, wearing a red \u00e1o d\u00e0i, walking through the Hanoi market, close-up on her smile, sunny lighting.\u201d<\/li><li>Ki\u1ec3m tra prompt tr\u01b0\u1edbc khi t\u1ea1o video \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o kh\u00f4ng c\u00f3 s\u1ef1 kh\u00e1c bi\u1ec7t trong m\u00f4 t\u1ea3.<\/li><\/ul><p>V\u00ed d\u1ee5:<\/p><ul><li>Sai: Shot 1: \u201cA woman in a market.\u201d Shot 2: \u201cA woman walking.\u201d \u2192 AI c\u00f3 th\u1ec3 \u0111\u1ed5i \u00e1o ho\u1eb7c khu\u00f4n m\u1eb7t.<\/li><li>\u0110\u00fang: Shot 1: \u201cA woman, 30 years old, short black hair, red \u00e1o d\u00e0i, in a market, sunny.\u201d Shot 2: \u201cThe same woman, 30 years old, short black hair, red \u00e1o d\u00e0i, walking in the market, sunny.\u201d<\/li><\/ul><p>L\u01b0u \u00fd: Tr\u00e1nh d\u00f9ng t\u1eeb ng\u1eef chung chung nh\u01b0 \u201ca person\u201d ho\u1eb7c \u201ca girl\u201d m\u00e0 kh\u00f4ng c\u00f3 chi ti\u1ebft c\u1ee5 th\u1ec3. N\u1ebfu c\u00f3 l\u1eddi tho\u1ea1i, th\u00eam ch\u1ec9 d\u1eabn: \u201csay in Vietnamese, slow and clear.\u201d<\/p><figure id=\"attachment_25724\" aria-describedby=\"caption-attachment-25724\" style=\"width: 768px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"size-full wp-image-25724\" src=\"https:\/\/vbee.vn\/blog\/wp-content\/uploads\/2025\/07\/Viet-prompt-chi-tiet-va-nhat-quan.webp\" alt=\"S\u1eed d\u1ee5ng Prompt chi ti\u1ebft v\u00e0 nh\u1ea5t qu\u00e1n \u0111\u1ec3 gi\u1eef nh\u00e2n v\u1eadt \u1ed5n \u0111\u1ecbnh trong Veo 3\" width=\"768\" height=\"600\" title=\"\" srcset=\"https:\/\/vbee.vn\/blog\/wp-content\/uploads\/2025\/07\/Viet-prompt-chi-tiet-va-nhat-quan.webp 768w, https:\/\/vbee.vn\/blog\/wp-content\/uploads\/2025\/07\/Viet-prompt-chi-tiet-va-nhat-quan-300x234.webp 300w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/><figcaption id=\"caption-attachment-25724\" class=\"wp-caption-text\">S\u1eed d\u1ee5ng Prompt chi ti\u1ebft v\u00e0 nh\u1ea5t qu\u00e1n \u0111\u1ec3 gi\u1eef nh\u00e2n v\u1eadt \u1ed5n \u0111\u1ecbnh trong Veo 3.<\/figcaption><\/figure><h3><span class=\"ez-toc-section\" id=\"22_Su_dung_anh_tham_chieu_Visual_Anchor\"><\/span>2.2 S\u1eed d\u1ee5ng \u1ea3nh tham chi\u1ebfu (Visual Anchor)<span class=\"ez-toc-section-end\"><\/span><\/h3><p>T\u1ea1o m\u1ed9t \u1ea3nh ch\u00e2n dung ch\u00ednh b\u1eb1ng c\u00f4ng c\u1ee5 nh\u01b0 Imagen 3 v\u1edbi n\u1ec1n tr\u1eafng gi\u00fap model c\u00f3 m\u1ed9t tham chi\u1ebfu h\u00ecnh \u1ea3nh r\u00f5 r\u00e0ng. Khi s\u1eed d\u1ee5ng \u1ea3nh n\u00e0y trong t\u00ednh n\u0103ng Ingredients-to-Video ho\u1eb7c Frame-to-Video c\u1ee7a Veo 3, model s\u1ebd d\u1ef1a v\u00e0o <a href=\"https:\/\/vbee.vn\/blog\/google\/google-pixel\/\">pixel<\/a> c\u1ee7a \u1ea3nh \u0111\u1ec3 t\u00e1i t\u1ea1o nh\u00e2n v\u1eadt, thay v\u00ec ch\u1ec9 d\u1ef1a v\u00e0o m\u00f4 t\u1ea3 v\u0103n b\u1ea3n (prompt). \u0110i\u1ec1u n\u00e0y gi\u1ea3m nguy c\u01a1 nh\u00e2n v\u1eadt b\u1ecb bi\u1ebfn d\u1ea1ng v\u1ec1 ngo\u1ea1i h\u00ecnh, trang ph\u1ee5c, hay \u0111\u1ea1o c\u1ee5.<\/p><p>C\u00e1c b\u01b0\u1edbc th\u1ef1c hi\u1ec7n:<\/p><ul><li>D\u00f9ng Imagen 3 t\u1ea1o \u1ea3nh: \u201cA 30-year-old Vietnamese man, short black hair, wearing a white shirt and blue cap, white background.\u201d<\/li><li>L\u01b0u \u1ea3nh ch\u1ea5t l\u01b0\u1ee3ng cao (PNG\/JPG, \u0111\u1ed9 ph\u00e2n gi\u1ea3i t\u1ed1i thi\u1ec3u 512&#215;512).<\/li><li>T\u1ea3i \u1ea3nh l\u00ean Flow, th\u00eam v\u00e0o m\u1ee5c \u201cIngredients\u201d ho\u1eb7c \u201cReference Image.\u201d<\/li><li>Vi\u1ebft prompt k\u00e8m ch\u1ec9 d\u1eabn s\u1eed d\u1ee5ng \u1ea3nh: \u201cUse attached image: man in white shirt and blue cap, walking in a park, sunny lighting, wide shot, seed=1128.\u201d<\/li><li>N\u1ebfu c\u00f3 \u0111\u1ea1o c\u1ee5 (balo, n\u00f3n), t\u1ea1o \u1ea3nh ri\u00eang cho \u0111\u1ea1o c\u1ee5 v\u00e0 th\u00eam v\u00e0o: \u201cMan with attached backpack, standing in a market.\u201d<\/li><\/ul><p>V\u00ed d\u1ee5:<\/p><ul><li>Sai: Ch\u1ec9 d\u00f9ng prompt \u201cman in a suit\u201d m\u00e0 kh\u00f4ng c\u00f3 \u1ea3nh \u2192 nh\u00e2n v\u1eadt c\u00f3 th\u1ec3 \u0111\u1ed5i ki\u1ec3u t\u00f3c, m\u00e0u \u00e1o.<\/li><li>\u0110\u00fang: T\u1ea3i \u1ea3nh \u201cman in a suit, white background\u201d v\u00e0 prompt: \u201cUse attached image: man in a suit, speaking in Vietnamese, close-up.\u201d<\/li><\/ul><p>L\u01b0u \u00fd: \u0110\u1ea3m b\u1ea3o \u1ea3nh g\u1ed1c r\u00f5 n\u00e9t, kh\u00f4ng c\u00f3 n\u1ec1n ph\u1ee9c t\u1ea1p. T\u00ednh n\u0103ng n\u00e0y ho\u1ea1t \u0111\u1ed9ng t\u1ed1t h\u01a1n tr\u00ean Veo 2, nh\u01b0ng Veo 3 v\u1eabn h\u1ed7 tr\u1ee3.<\/p><figure id=\"attachment_25722\" aria-describedby=\"caption-attachment-25722\" style=\"width: 768px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"size-full wp-image-25722\" src=\"https:\/\/vbee.vn\/blog\/wp-content\/uploads\/2025\/07\/Su-dung-anh-tham-chieu.webp\" alt=\"S\u1eed d\u1ee5ng Imagen 3 ho\u1eb7c ChatGPT \u0111\u1ec3 t\u1ea1o s\u1eb5n \u1ea3nh nh\u00e2n v\u1eadt \u0111\u1ec3 th\u00eam v\u00e0o Veo 3\" width=\"768\" height=\"552\" title=\"\" srcset=\"https:\/\/vbee.vn\/blog\/wp-content\/uploads\/2025\/07\/Su-dung-anh-tham-chieu.webp 768w, https:\/\/vbee.vn\/blog\/wp-content\/uploads\/2025\/07\/Su-dung-anh-tham-chieu-300x216.webp 300w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/><figcaption id=\"caption-attachment-25722\" class=\"wp-caption-text\">S\u1eed d\u1ee5ng Imagen 3 ho\u1eb7c ChatGPT \u0111\u1ec3 t\u1ea1o s\u1eb5n \u1ea3nh nh\u00e2n v\u1eadt \u0111\u1ec3 th\u00eam v\u00e0o Veo 3.<\/figcaption><\/figure><h3><span class=\"ez-toc-section\" id=\"23_Su_dung_tinh_nang_%E2%80%9CThem_vao_canh%E2%80%9D_tren_Flow\"><\/span>2.3 S\u1eed d\u1ee5ng t\u00ednh n\u0103ng \u201cTh\u00eam v\u00e0o c\u1ea3nh\u201d tr\u00ean Flow<span class=\"ez-toc-section-end\"><\/span><\/h3><p>Thay v\u00ec t\u1ea1o c\u00e1c \u0111o\u1ea1n video ri\u00eang l\u1ebb r\u1ed3i gh\u00e9p th\u1ee7 c\u00f4ng, s\u1eed d\u1ee5ng t\u00ednh n\u0103ng Th\u00eam v\u00e0o c\u1ea3nh trong Flow \u0111\u1ec3 k\u1ebft n\u1ed1i c\u00e1c shot (m\u1ed7i shot 8 gi\u00e2y). T\u00ednh n\u0103ng n\u00e0y gi\u1eef l\u1ea1i 24 frame cu\u1ed1i c\u1ee7a shot tr\u01b0\u1edbc v\u00e0 ng\u1eef c\u1ea3nh, gi\u00fap AI \u201cghi nh\u1edb\u201d nh\u00e2n v\u1eadt v\u00e0 b\u1ed1i c\u1ea3nh, \u0111\u1ea3m b\u1ea3o s\u1ef1 li\u1ec1n m\u1ea1ch.<\/p><p>C\u00e1c b\u01b0\u1edbc th\u1ef1c hi\u1ec7n:<\/p><ul><li>T\u1ea1o shot \u0111\u1ea7u trong Flow: \u201cA woman in a red \u00e1o d\u00e0i, standing in a Hanoi market, sunny lighting, wide shot, seed=1128.\u201d<\/li><li>D\u00f9ng \u201cTh\u00eam v\u00e0o c\u1ea3nh\u201d cho shot ti\u1ebfp theo: \u201cThe same woman in a red \u00e1o d\u00e0i, walking in the Hanoi market, close-up, sunny lighting, seed=1128.\u201d<\/li><li>L\u1eb7p l\u1ea1i cho c\u00e1c shot sau, gi\u1eef m\u00f4 t\u1ea3 v\u00e0 seed nh\u1ea5t qu\u00e1n.<\/li><li>Ki\u1ec3m tra video trong Flow \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o nh\u00e2n v\u1eadt \u1ed5n \u0111\u1ecbnh.<\/li><\/ul><p>V\u00ed d\u1ee5:<\/p><ul><li>Sai: T\u1ea1o shot 1 v\u00e0 2 ri\u00eang, gh\u00e9p b\u1eb1ng CapCut \u2192 nh\u00e2n v\u1eadt \u0111\u1ed5i \u00e1o.<\/li><li>\u0110\u00fang: T\u1ea1o shot 1, d\u00f9ng \u201cJump to\u201d cho shot 2 trong Flow \u2192 nh\u00e2n v\u1eadt gi\u1eef nguy\u00ean.<\/li><\/ul><p>L\u01b0u \u00fd: Ch\u1ec9 gh\u00e9p video b\u1eb1ng ph\u1ea7n m\u1ec1m ngo\u00e0i sau khi ho\u00e0n thi\u1ec7n chu\u1ed7i shot trong Flow.<\/p><figure id=\"attachment_25723\" aria-describedby=\"caption-attachment-25723\" style=\"width: 768px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"size-full wp-image-25723\" src=\"https:\/\/vbee.vn\/blog\/wp-content\/uploads\/2025\/07\/Su-dung-tinh-nang-Them-vao-canh.webp\" alt=\"T\u1eadn d\u1ee5ng t\u00ednh n\u0103ng \u201cTh\u00eam v\u00e0o c\u1ea3nh\u201d.\" width=\"768\" height=\"529\" title=\"\" srcset=\"https:\/\/vbee.vn\/blog\/wp-content\/uploads\/2025\/07\/Su-dung-tinh-nang-Them-vao-canh.webp 768w, https:\/\/vbee.vn\/blog\/wp-content\/uploads\/2025\/07\/Su-dung-tinh-nang-Them-vao-canh-300x207.webp 300w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/><figcaption id=\"caption-attachment-25723\" class=\"wp-caption-text\">T\u1eadn d\u1ee5ng t\u00ednh n\u0103ng \u201cTh\u00eam v\u00e0o c\u1ea3nh\u201d.<\/figcaption><\/figure><h3><span class=\"ez-toc-section\" id=\"24_Giu_seed_co_dinh\"><\/span>2.4 Gi\u1eef seed c\u1ed1 \u0111\u1ecbnh<span class=\"ez-toc-section-end\"><\/span><\/h3><p>S\u1eed d\u1ee5ng m\u1ed9t SEED_NUMBER c\u1ed1 \u0111\u1ecbnh cho t\u1ea5t c\u1ea3 c\u00e1c shot trong c\u00f9ng m\u1ed9t c\u1ea3nh gi\u00fap nh\u00e2n v\u1eadt duy tr\u00ec c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m. Seed c\u1ed1 \u0111\u1ecbnh \u0111\u1ea3m b\u1ea3o c\u00e1c y\u1ebfu t\u1ed1 nh\u01b0 khu\u00f4n m\u1eb7t, trang ph\u1ee5c, v\u00e0 phong c\u00e1ch kh\u00f4ng b\u1ecb bi\u1ebfn d\u1ea1ng ng\u1eabu nhi\u00ean.<\/p><p>C\u00e1c b\u01b0\u1edbc th\u1ef1c hi\u1ec7n:<\/p><ul><li>Ch\u1ecdn m\u1ed9t s\u1ed1 seed b\u1ea5t k\u1ef3 (v\u00ed d\u1ee5: 1128) khi t\u1ea1o shot \u0111\u1ea7u ti\u00ean trong Flow.<\/li><li>S\u1eed d\u1ee5ng c\u00f9ng s\u1ed1 seed n\u00e0y cho m\u1ecdi shot trong chu\u1ed7i video. V\u00ed d\u1ee5: \u201cShot 2: Same woman in red \u00e1o d\u00e0i, seed=1128, walking in market, cinematic style.\u201d<\/li><li>Ghi l\u1ea1i s\u1ed1 seed \u0111\u1ec3 s\u1eed d\u1ee5ng l\u1ea1i trong c\u00e1c d\u1ef1 \u00e1n t\u01b0\u01a1ng t\u1ef1 n\u1ebfu c\u1ea7n.<\/li><\/ul><p>V\u00ed d\u1ee5:<\/p><ul><li>Sai: Shot 1: seed=1128, shot 2: seed=5678 \u2192 nh\u00e2n v\u1eadt \u0111\u1ed5i t\u00f3c, \u00e1o.<\/li><li>\u0110\u00fang: C\u1ea3 shot 1 v\u00e0 2 d\u00f9ng seed=1128 \u2192 nh\u00e2n v\u1eadt gi\u1eef nguy\u00ean.<\/li><\/ul><p>L\u01b0u \u00fd: N\u1ebfu kh\u00f4ng ghi seed, Flow c\u00f3 th\u1ec3 g\u00e1n ng\u1eabu nhi\u00ean, g\u00e2y l\u1ed7i. Lu\u00f4n ki\u1ec3m tra v\u00e0 ghi l\u1ea1i seed.<\/p><h3><span class=\"ez-toc-section\" id=\"25_Nhat_quan_boi_canh\"><\/span>2.5 Nh\u1ea5t qu\u00e1n b\u1ed1i c\u1ea3nh<span class=\"ez-toc-section-end\"><\/span><\/h3><p>M\u00f4 t\u1ea3 b\u1ed1i c\u1ea3nh (\u00e1nh s\u00e1ng, th\u1eddi ti\u1ebft, m\u00f4i tr\u01b0\u1eddng) kh\u00f4ng nh\u1ea5t qu\u00e1n khi\u1ebfn AI \u0111i\u1ec1u ch\u1ec9nh nh\u00e2n v\u1eadt \u0111\u1ec3 \u201cph\u00f9 h\u1ee3p\u201d b\u1ed1i c\u1ea3nh m\u1edbi, d\u1eabn \u0111\u1ebfn thay \u0111\u1ed5i ngo\u1ea1i h\u00ecnh ho\u1eb7c trang ph\u1ee5c. Gi\u1eef b\u1ed1i c\u1ea3nh gi\u1ed1ng nhau trong m\u1ecdi prompt gi\u00fap nh\u00e2n v\u1eadt \u1ed5n \u0111\u1ecbnh.<\/p><p>C\u00e1c b\u01b0\u1edbc th\u1ef1c hi\u1ec7n:<\/p><ul><li>M\u00f4 t\u1ea3 b\u1ed1i c\u1ea3nh r\u00f5 r\u00e0ng: \u201cA woman in a red \u00e1o d\u00e0i, Hanoi market, sunny lighting, bustling street sounds.\u201d<\/li><li>L\u1eb7p l\u1ea1i b\u1ed1i c\u1ea3nh: \u201cThe same woman in a red \u00e1o d\u00e0i, walking in the Hanoi market, sunny lighting, close-up.\u201d<\/li><li>N\u1ebfu b\u1ed1i c\u1ea3nh thay \u0111\u1ed5i, gi\u1ea3i th\u00edch r\u00f5: \u201cThe same woman in a red \u00e1o d\u00e0i, now inside a caf\u00e9, warm lighting.\u201d<\/li><\/ul><p>V\u00ed d\u1ee5:<\/p><ul><li>Sai: Shot 1: \u201cWoman in a market, sunny.\u201d Shot 2: \u201cWoman in a market.\u201d \u2192 AI \u0111\u1ed5i \u00e1nh s\u00e1ng, \u1ea3nh h\u01b0\u1edfng trang ph\u1ee5c.<\/li><li>\u0110\u00fang: Shot 1: \u201cWoman, red \u00e1o d\u00e0i, Hanoi market, sunny.\u201d Shot 2: \u201cThe same woman, red \u00e1o d\u00e0i, Hanoi market, sunny.\u201d<\/li><li>L\u01b0u \u00fd: Thay \u0111\u1ed5i nh\u1ecf trong b\u1ed1i c\u1ea3nh (v\u00ed d\u1ee5: t\u1eeb \u201csunny\u201d sang \u201ccloudy\u201d) c\u00f3 th\u1ec3 khi\u1ebfn AI \u0111\u1ed5i trang ph\u1ee5c.<\/li><\/ul><figure id=\"attachment_25721\" aria-describedby=\"caption-attachment-25721\" style=\"width: 768px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"size-full wp-image-25721\" src=\"https:\/\/vbee.vn\/blog\/wp-content\/uploads\/2025\/07\/Nhat-quan-boi-canh.webp\" alt=\"Nh\u1ea5t qu\u00e1n gi\u1eefa c\u00e1c b\u1ed1i c\u1ea3nh\" width=\"768\" height=\"657\" title=\"\" srcset=\"https:\/\/vbee.vn\/blog\/wp-content\/uploads\/2025\/07\/Nhat-quan-boi-canh.webp 768w, https:\/\/vbee.vn\/blog\/wp-content\/uploads\/2025\/07\/Nhat-quan-boi-canh-300x257.webp 300w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/><figcaption id=\"caption-attachment-25721\" class=\"wp-caption-text\">Nh\u1ea5t qu\u00e1n gi\u1eefa c\u00e1c b\u1ed1i c\u1ea3nh.<\/figcaption><\/figure><h3><span class=\"ez-toc-section\" id=\"26_Don_gian_hoa_loi_thoai_va_hanh_dong\"><\/span>2.6 \u0110\u01a1n gi\u1ea3n h\u00f3a l\u1eddi tho\u1ea1i v\u00e0 h\u00e0nh \u0111\u1ed9ng<span class=\"ez-toc-section-end\"><\/span><\/h3><p>L\u1eddi tho\u1ea1i d\u00e0i ho\u1eb7c h\u00e0nh \u0111\u1ed9ng ph\u1ee9c t\u1ea1p g\u00e2y kh\u00f3 kh\u0103n trong \u0111\u1ed3ng b\u1ed9 kh\u1ea9u h\u00ecnh, bi\u1ec3u c\u1ea3m, v\u00e0 ngo\u1ea1i h\u00ecnh, khi\u1ebfn nh\u00e2n v\u1eadt thay \u0111\u1ed5i. Gi\u1eef l\u1eddi tho\u1ea1i ng\u1eafn g\u1ecdn v\u00e0 m\u00f4 t\u1ea3 h\u00e0nh \u0111\u1ed9ng c\u1ee5 th\u1ec3 gi\u00fap AI t\u00e1i t\u1ea1o ch\u00ednh x\u00e1c h\u01a1n.<\/p><p>C\u00e1c b\u01b0\u1edbc th\u1ef1c hi\u1ec7n:<\/p><ul><li>Vi\u1ebft prompt v\u1edbi l\u1eddi tho\u1ea1i ng\u1eafn: \u201cA woman in a red \u00e1o d\u00e0i, saying in Vietnamese \u2018Ch\u00e0o H\u00e0 N\u1ed9i\u2019 with a smile, close-up, slow and clear.\u201d<\/li><li>M\u00f4 t\u1ea3 h\u00e0nh \u0111\u1ed9ng chi ti\u1ebft: \u201cThe same woman, waving slowly, medium shot, sunny lighting.\u201d<\/li><li>Ki\u1ec3m tra \u0111\u1ed3ng b\u1ed9 kh\u1ea9u h\u00ecnh trong preview c\u1ee7a Flow, \u0111i\u1ec1u ch\u1ec9nh n\u1ebfu c\u1ea7n.<\/li><\/ul><p>V\u00ed d\u1ee5:<\/p><ul><li>Sai: \u201cWoman saying a long Vietnamese speech\u201d \u2192 kh\u1ea9u h\u00ecnh l\u1ec7ch, nh\u00e2n v\u1eadt \u0111\u1ed5i bi\u1ec3u c\u1ea3m.<\/li><li>\u0110\u00fang: \u201cWoman in a red \u00e1o d\u00e0i, saying \u2018Ch\u00e0o bu\u1ed5i s\u00e1ng\u2019 in Vietnamese, slow and clear, close-up.\u201d<\/li><\/ul><p>L\u01b0u \u00fd: Veo 3 \u0111\u1ed3ng b\u1ed9 kh\u1ea9u h\u00ecnh <a href=\"https:\/\/vbee.vn\/blog\/chuyen-van-ban-thanh-giong-noi\/vietnamese-vi\/\">ti\u1ebfng Vi\u1ec7t<\/a> k\u00e9m h\u01a1n ti\u1ebfng Anh. Gi\u1eef c\u00e2u tho\u1ea1i d\u01b0\u1edbi 5\u20137 t\u1eeb.<\/p><figure id=\"attachment_25719\" aria-describedby=\"caption-attachment-25719\" style=\"width: 768px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"size-full wp-image-25719\" src=\"https:\/\/vbee.vn\/blog\/wp-content\/uploads\/2025\/07\/Don-gian-hoa-loi-thoai-va-hanh-dong.webp\" alt=\"S\u1eed d\u1ee5ng c\u00e1c prompt \u0111\u01a1n gi\u1ea3n l\u1eddi tho\u1ea1i v\u00e0 h\u00e0nh \u0111\u1ed9ng cho nh\u00e2n v\u1eadt\" width=\"768\" height=\"523\" title=\"\" srcset=\"https:\/\/vbee.vn\/blog\/wp-content\/uploads\/2025\/07\/Don-gian-hoa-loi-thoai-va-hanh-dong.webp 768w, https:\/\/vbee.vn\/blog\/wp-content\/uploads\/2025\/07\/Don-gian-hoa-loi-thoai-va-hanh-dong-300x204.webp 300w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/><figcaption id=\"caption-attachment-25719\" class=\"wp-caption-text\">S\u1eed d\u1ee5ng c\u00e1c prompt \u0111\u01a1n gi\u1ea3n l\u1eddi tho\u1ea1i v\u00e0 h\u00e0nh \u0111\u1ed9ng cho nh\u00e2n v\u1eadt<\/figcaption><\/figure><h3><span class=\"ez-toc-section\" id=\"27_Kiem_tra_va_tinh_chinh_thuong_xuyen\"><\/span>2.7 Ki\u1ec3m tra v\u00e0 tinh ch\u1ec9nh th\u01b0\u1eddng xuy\u00ean<span class=\"ez-toc-section-end\"><\/span><\/h3><p>Vi\u1ec7c kh\u00f4ng ki\u1ec3m tra tr\u01b0\u1edbc m\u1ed7i shot khi\u1ebfn l\u1ed7i nh\u00e2n v\u1eadt kh\u00f4ng \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n s\u1edbm. \u0110\u1ec3 kh\u1eafc ph\u1ee5c, xem tr\u01b0\u1edbc (preview) m\u1ed7i shot trong Flow, tinh ch\u1ec9nh prompt ho\u1eb7c quay l\u1ea1i \u1ea3nh g\u1ed1c\/seed n\u1ebfu nh\u00e2n v\u1eadt thay \u0111\u1ed5i.<\/p><p>C\u00e1c b\u01b0\u1edbc th\u1ef1c hi\u1ec7n:<\/p><ul><li>Xem tr\u01b0\u1edbc video sau m\u1ed7i shot trong Flow, ki\u1ec3m tra ngo\u1ea1i h\u00ecnh, trang ph\u1ee5c, b\u1ed1i c\u1ea3nh.<\/li><li>N\u1ebfu l\u1ed7i (v\u00ed d\u1ee5: \u00e1o d\u00e0i \u0111\u1ecf \u0111\u1ed5i sang v\u00e1y xanh), ch\u1ec9nh prompt: \u201cUse attached image: woman in red \u00e1o d\u00e0i, seed=1128.\u201d<\/li><li>T\u1ea1o l\u1ea1i shot b\u1ecb l\u1ed7i, gi\u1eef seed v\u00e0 \u1ea3nh tham chi\u1ebfu.<\/li><li>L\u01b0u c\u00e1c shot th\u00e0nh c\u00f4ng \u0111\u1ec3 tham chi\u1ebfu.<\/li><\/ul><p>L\u01b0u \u00fd: L\u01b0u prompt, \u1ea3nh tham chi\u1ebfu, v\u00e0 seed \u0111\u1ec3 d\u1ec5 ch\u1ec9nh s\u1eeda.<\/p><h2><span class=\"ez-toc-section\" id=\"3_Cau_hoi_thuong_gap\"><\/span>3. C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<span class=\"ez-toc-section-end\"><\/span><\/h2><h3><span class=\"ez-toc-section\" id=\"31_Tai_sao_nhan_vat_trong_video_lai_bi_bien_dang_hoac_thay_doi_qua_cac_frame\"><\/span>3.1 T\u1ea1i sao nh\u00e2n v\u1eadt trong video l\u1ea1i b\u1ecb bi\u1ebfn d\u1ea1ng ho\u1eb7c thay \u0111\u1ed5i qua c\u00e1c frame?<span class=\"ez-toc-section-end\"><\/span><\/h3><p>V\u00ec m\u00f4 h\u00ecnh Veo 3 v\u1eabn mang t\u00ednh t\u1ed5ng h\u1ee3p cao, n\u1ebfu prompt kh\u00f4ng \u0111\u1ee7 chi ti\u1ebft ho\u1eb7c kh\u00f4ng c\u00f3 reference image, AI s\u1ebd \u201cdi\u1ec5n gi\u1ea3i l\u1ea1i\u201d nh\u00e2n v\u1eadt theo t\u1eebng khung h\u00ecnh kh\u00e1c nhau.<\/p><h3><span class=\"ez-toc-section\" id=\"32_Co_nen_dung_prompt_dang_%E2%80%9Csame_character%E2%80%9D_hay_%E2%80%9Csame_person%E2%80%9D_trong_Veo_khong\"><\/span>3.2 C\u00f3 n\u00ean d\u00f9ng prompt d\u1ea1ng \u201csame character\u201d hay \u201csame person\u201d trong Veo kh\u00f4ng?<span class=\"ez-toc-section-end\"><\/span><\/h3><p>C\u00f3, \u0111\u00e2y l\u00e0 m\u1eb9o hay. H\u00e3y th\u00eam c\u00e1c c\u1ee5m nh\u01b0:<\/p><ul><li>\u201cThe same boy throughout the scene\u201d<\/li><li>\u201cShe stays exactly the same in every frame\u201d<\/li><li>\u201cA consistent character design\u201d<\/li><\/ul><p>C\u00e1c c\u1ee5m n\u00e0y gi\u00fap AI hi\u1ec3u r\u1eb1ng kh\u00f4ng n\u00ean t\u1ef1 s\u00e1ng t\u1ea1o m\u1edbi nh\u00e2n v\u1eadt.<\/p><h3><span class=\"ez-toc-section\" id=\"33_Dung_Image-to-Video_co_giup_on_dinh_nhan_vat_hon_khong\"><\/span>3.3 D\u00f9ng Image-to-Video c\u00f3 gi\u00fap \u1ed5n \u0111\u1ecbnh nh\u00e2n v\u1eadt h\u01a1n kh\u00f4ng?<span class=\"ez-toc-section-end\"><\/span><\/h3><p>C\u00f3, \u0111\u1eb7c bi\u1ec7t n\u1ebfu b\u1ea1n \u0111\u00e3 c\u00f3 \u1ea3nh \u0111\u1ea7u v\u00e0o r\u00f5 n\u00e9t, \u1ed5n \u0111\u1ecbnh. Ch\u1ebf \u0111\u1ed9 n\u00e0y gi\u00fap AI \u201cc\u1ed1 \u0111\u1ecbnh\u201d nh\u00e2n v\u1eadt theo b\u1ed1 c\u1ee5c c\u00f3 s\u1eb5n, sau \u0111\u00f3 ch\u1ec9 th\u00eam chuy\u1ec3n \u0111\u1ed9ng m\u1ec1m. R\u1ea5t ph\u00f9 h\u1ee3p \u0111\u1ec3 gi\u1eef nh\u00e2n v\u1eadt ch\u00ednh xuy\u00ean su\u1ed1t video.<\/p><h3><span class=\"ez-toc-section\" id=\"34_Co_can_su_dung_prompt_ngan_hay_dai_de_giu_nhan_vat_on_dinh\"><\/span>3.4 C\u00f3 c\u1ea7n s\u1eed d\u1ee5ng prompt ng\u1eafn hay d\u00e0i \u0111\u1ec3 gi\u1eef nh\u00e2n v\u1eadt \u1ed5n \u0111\u1ecbnh?<span class=\"ez-toc-section-end\"><\/span><\/h3><p>N\u00ean d\u00f9ng prompt trung b\u00ecnh \u0111\u1ebfn d\u00e0i, nh\u01b0ng r\u00f5 r\u00e0ng v\u00e0 m\u00f4 t\u1ea3 c\u1ee5 th\u1ec3 ngo\u1ea1i h\u00ecnh nh\u00e2n v\u1eadt. Tr\u00e1nh d\u00f9ng nh\u1eefng t\u1eeb m\u01a1 h\u1ed3 nh\u01b0 &#8220;beautiful&#8221; hay &#8220;cool&#8221;, thay v\u00e0o \u0111\u00f3 h\u00e3y ghi r\u00f5: &#8220;a girl with long black hair, wearing a red dress, standing still&#8221;.<\/p><h3><span class=\"ez-toc-section\" id=\"35_Camera_motion_co_anh_huong_den_do_on_dinh_cua_nhan_vat_khong\"><\/span>3.5 Camera motion c\u00f3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh c\u1ee7a nh\u00e2n v\u1eadt kh\u00f4ng?<span class=\"ez-toc-section-end\"><\/span><\/h3><p>C\u00f3. N\u1ebfu b\u1ea1n ch\u1ecdn \u201cdynamic camera\u201d, AI c\u00f3 xu h\u01b0\u1edbng thay \u0111\u1ed5i g\u00f3c nh\u00ecn v\u00e0 c\u00f3 th\u1ec3 l\u00e0m nh\u00e2n v\u1eadt b\u1ecb bi\u1ebfn d\u1ea1ng. H\u00e3y ch\u1ecdn \u201cstatic camera\u201d ho\u1eb7c \u201csmooth panning\u201d \u0111\u1ec3 gi\u1eef nh\u00e2n v\u1eadt \u1ed5n \u0111\u1ecbnh trong khung.<\/p><h3><span class=\"ez-toc-section\" id=\"36_Co_nen_them_nhieu_nhan_vat_vao_mot_canh_trong_Veo_3_khong\"><\/span>3.6 C\u00f3 n\u00ean th\u00eam nhi\u1ec1u nh\u00e2n v\u1eadt v\u00e0o m\u1ed9t c\u1ea3nh trong Veo 3 kh\u00f4ng?<span class=\"ez-toc-section-end\"><\/span><\/h3><p>N\u00ean h\u1ea1n ch\u1ebf. Vi\u1ec7c c\u00f3 nhi\u1ec1u nh\u00e2n v\u1eadt d\u1ec5 khi\u1ebfn AI b\u1ecb r\u1ed1i b\u1ed1 c\u1ee5c, g\u00e2y l\u1ed7i nh\u00e2n v\u1eadt b\u1ecb nh\u1eadp, m\u1ea5t tay, ho\u1eb7c thay \u0111\u1ed5i trang ph\u1ee5c. T\u1ed1t nh\u1ea5t, m\u1ed7i c\u1ea3nh ch\u1ec9 n\u00ean c\u00f3 1\u20132 nh\u00e2n v\u1eadt ch\u00ednh v\u1edbi m\u00f4 t\u1ea3 ri\u00eang bi\u1ec7t.<\/p><p>\u0110\u1ec3 gi\u1eef nh\u00e2n v\u1eadt \u1ed5n \u0111\u1ecbnh trong Veo 3, c\u1ea7n k\u1ebft h\u1ee3p nhi\u1ec1u y\u1ebfu t\u1ed1: prompt r\u00f5 r\u00e0ng v\u00e0 nh\u1ea5t qu\u00e1n, \u1ea3nh tham chi\u1ebfu ch\u1ea5t l\u01b0\u1ee3ng cao, seed c\u1ed1 \u0111\u1ecbnh v\u00e0 b\u1ed1i c\u1ea3nh \u0111\u1ed3ng b\u1ed9. Quan tr\u1ecdng nh\u1ea5t, h\u00e3y ki\u1ec3m tra v\u00e0 tinh ch\u1ec9nh th\u01b0\u1eddng xuy\u00ean sau m\u1ed7i shot \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o nh\u00e2n v\u1eadt kh\u00f4ng b\u1ecb thay \u0111\u1ed5i. V\u1edbi c\u00e1c m\u1eb9o n\u00e0y, b\u1ea1n c\u00f3 th\u1ec3 t\u1eadn d\u1ee5ng t\u1ed1i \u0111a Veo 3 \u0111\u1ec3 t\u1ea1o ra nh\u1eefng video chuy\u00ean nghi\u1ec7p, nh\u00e2n v\u1eadt li\u1ec1n m\u1ea1ch, \u0111\u00fang v\u1edbi \u00fd t\u01b0\u1edfng s\u00e1ng t\u1ea1o ban \u0111\u1ea7u.<\/p>","protected":false},"excerpt":{"rendered":"<p>Trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng Veo 3 \u0111\u1ec3 t\u1ea1o video, vi\u1ec7c gi\u1eef nh\u00e2n v\u1eadt \u1ed5n \u0111\u1ecbnh l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ednh nh\u1ea5t qu\u00e1n v\u00e0 chuy\u00ean nghi\u1ec7p. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd cung c\u1ea5p h\u01b0\u1edbng d\u1eabn chi ti\u1ebft c\u00e1c c\u00e1ch gi\u1eef nh\u00e2n v\u1eadt \u1ed5n \u0111\u1ecbnh trong Veo 3, gi\u00fap b\u1ea1n t\u1ea1o ra video&#8230;<\/p>\n","protected":false},"author":17,"featured_media":25725,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[133],"tags":[],"class_list":["post-25716","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-chia-se"],"_links":{"self":[{"href":"https:\/\/vbee.vn\/blog\/wp-json\/wp\/v2\/posts\/25716","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vbee.vn\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vbee.vn\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vbee.vn\/blog\/wp-json\/wp\/v2\/users\/17"}],"replies":[{"embeddable":true,"href":"https:\/\/vbee.vn\/blog\/wp-json\/wp\/v2\/comments?post=25716"}],"version-history":[{"count":9,"href":"https:\/\/vbee.vn\/blog\/wp-json\/wp\/v2\/posts\/25716\/revisions"}],"predecessor-version":[{"id":25732,"href":"https:\/\/vbee.vn\/blog\/wp-json\/wp\/v2\/posts\/25716\/revisions\/25732"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vbee.vn\/blog\/wp-json\/wp\/v2\/media\/25725"}],"wp:attachment":[{"href":"https:\/\/vbee.vn\/blog\/wp-json\/wp\/v2\/media?parent=25716"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vbee.vn\/blog\/wp-json\/wp\/v2\/categories?post=25716"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vbee.vn\/blog\/wp-json\/wp\/v2\/tags?post=25716"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}