{"version":2,"relationshipURLBase":"https://codingai-lec03.pages.dev/course/notebook-blocks/60d63838f97a43df9e3cf8ed118ce0da.html","relationshipResolution":"Resolve relative relationship URLs against relationshipURLBase; complete records and absolute URLs are in blocks.","title":"学习路径： 表示怎样迁移到新任务","url":"https://codingai-lec03.pages.dev/course/notebook-blocks/60d63838f97a43df9e3cf8ed118ce0da.html","markdown":"https://codingai-lec03.pages.dev/course/notebook-blocks/60d63838f97a43df9e3cf8ed118ce0da.md","pages":[{"id":"reading-opening","title":"学习路径： 表示怎样迁移到新任务","unit":"学习路径： 表示怎样迁移到新任务","unitId":"notebook-blocks/60d63838f97a43df9e3cf8ed118ce0da","chapter":"course","number":1}],"aliases":[{"oldId":"b-02a522e58a07b8bf3eb31ed6","targetId":"b-02a522e58a07b8bf3eb31ed6","page":"reading-opening","operation":"move","beforeSHA256":"f107bd31e942a5cf605f3183c89731efbb5349a4bf8c063087e5d29bebde50b5","afterSHA256":"f107bd31e942a5cf605f3183c89731efbb5349a4bf8c063087e5d29bebde50b5","reason":"Same source body in authored semantic page"},{"oldId":"b-18d212ff49cdc333109977c4","targetId":"b-18d212ff49cdc333109977c4","page":"reading-opening","operation":"move","beforeSHA256":"42feb9eb6ba889d73deee3896f66c420f32fa21730257c11360fb19113b13612","afterSHA256":"42feb9eb6ba889d73deee3896f66c420f32fa21730257c11360fb19113b13612","reason":"Same source body in authored semantic page"},{"oldId":"b-349959b27b05a2317cbda41d","targetId":"b-349959b27b05a2317cbda41d","page":"reading-opening","operation":"move","beforeSHA256":"e91f24e4e4ca40e2099a0d81d30db6568f4bf2074b499eeee6e3959617bd97ac","afterSHA256":"e91f24e4e4ca40e2099a0d81d30db6568f4bf2074b499eeee6e3959617bd97ac","reason":"Same source body in authored semantic page"},{"oldId":"b-db44e883d9552b088bf96259","targetId":"b-db44e883d9552b088bf96259","page":"reading-opening","operation":"move","beforeSHA256":"5f1e2e7a35a6afaca427b0b03cfec448b4aac4324b16108f14671986a2d98b38","afterSHA256":"5f1e2e7a35a6afaca427b0b03cfec448b4aac4324b16108f14671986a2d98b38","reason":"Same source body in authored semantic page"},{"oldId":"b-f2e1459c674b658a4ff6c41c","targetId":"b-f2e1459c674b658a4ff6c41c","page":"reading-opening","operation":"move","beforeSHA256":"efc07be0d238c97b2a0f2a3e1e141f27691e7d1aadb5b0bc2662d7d40218327f","afterSHA256":"efc07be0d238c97b2a0f2a3e1e141f27691e7d1aadb5b0bc2662d7d40218327f","reason":"Same source body in authored semantic page"},{"oldId":"b-bea54564f3eb666f4344cc73","targetId":"b-bea54564f3eb666f4344cc73","page":"reading-opening","operation":"move","beforeSHA256":"1ce2327a72de3b56c61487d99fcf335697039073a22eabe9e80a832af0210b94","afterSHA256":"1ce2327a72de3b56c61487d99fcf335697039073a22eabe9e80a832af0210b94","reason":"Same source body in authored semantic page"},{"oldId":"b-2794dab07e8719df684c173b","targetId":"b-2794dab07e8719df684c173b","page":"reading-opening","operation":"move","beforeSHA256":"4c7762221f1bc0b89815a6ad7702b267278cd03cd6cfc6923f649d8cf97ca501","afterSHA256":"4c7762221f1bc0b89815a6ad7702b267278cd03cd6cfc6923f649d8cf97ca501","reason":"Same source body in authored semantic page"},{"oldId":"b-b026b2adb0edbf741ded1176","targetId":"b-b026b2adb0edbf741ded1176","page":"reading-opening","operation":"move","beforeSHA256":"6133de7dfaf36f19f786d9511c3ec0671a95209420e4ec93f9cd36ac8bc587a7","afterSHA256":"6133de7dfaf36f19f786d9511c3ec0671a95209420e4ec93f9cd36ac8bc587a7","reason":"Same source body in authored semantic page"},{"oldId":"b-22b5333f7452011275c853e3","targetId":"b-22b5333f7452011275c853e3","page":"reading-opening","operation":"move","beforeSHA256":"0c6bcd22b6e25f16c071abc776e71f1a7d4c003d0cfac515b5552bcc902db63c","afterSHA256":"0c6bcd22b6e25f16c071abc776e71f1a7d4c003d0cfac515b5552bcc902db63c","reason":"Same source body in authored semantic page"}],"blocks":[{"id":"b-02a522e58a07b8bf3eb31ed6","type":"p","scope":"document","url":"https://codingai-lec03.pages.dev/course/notebook-blocks/60d63838f97a43df9e3cf8ed118ce0da.html#b-02a522e58a07b8bf3eb31ed6","content":"[LAB 02 · 参数迁移：冻结、局部与全量微调](/course/notebooks/4bd450d54870432db91c80a4df563b8e.html)","sha256":"f107bd31e942a5cf605f3183c89731efbb5349a4bf8c063087e5d29bebde50b5","chapter":{"id":"course","title":"学习路径： 表示怎样迁移到新任务"},"unit":{"id":"notebook-blocks/60d63838f97a43df9e3cf8ed118ce0da","title":"学习路径： 表示怎样迁移到新任务"},"page":{"id":"reading-opening","title":"学习路径： 表示怎样迁移到新任务","number":1},"sectionTitle":"学习路径： 表示怎样迁移到新任务","currentQuestion":"学习路径： 表示怎样迁移到新任务","sourceSlides":[],"knowledgeBlock":null,"formulas":[],"previousBlock":null,"nextBlock":"b-18d212ff49cdc333109977c4","prerequisites":[],"relatedBlocks":[]},{"id":"b-18d212ff49cdc333109977c4","type":"h1","scope":"document","url":"https://codingai-lec03.pages.dev/course/notebook-blocks/60d63838f97a43df9e3cf8ed118ce0da.html#b-18d212ff49cdc333109977c4","content":"# 学习路径： 表示怎样迁移到新任务","sha256":"42feb9eb6ba889d73deee3896f66c420f32fa21730257c11360fb19113b13612","chapter":{"id":"course","title":"学习路径： 表示怎样迁移到新任务"},"unit":{"id":"notebook-blocks/60d63838f97a43df9e3cf8ed118ce0da","title":"学习路径： 表示怎样迁移到新任务"},"page":{"id":"reading-opening","title":"学习路径： 表示怎样迁移到新任务","number":1},"sectionTitle":"学习路径： 表示怎样迁移到新任务","currentQuestion":"学习路径： 表示怎样迁移到新任务","sourceSlides":[],"knowledgeBlock":null,"formulas":[],"previousBlock":"b-02a522e58a07b8bf3eb31ed6","nextBlock":"b-349959b27b05a2317cbda41d","prerequisites":[{"id":"b-02a522e58a07b8bf3eb31ed6","url":"#b-02a522e58a07b8bf3eb31ed6","role":"problem-context"}],"relatedBlocks":[]},{"id":"b-349959b27b05a2317cbda41d","type":"p","scope":"document","url":"https://codingai-lec03.pages.dev/course/notebook-blocks/60d63838f97a43df9e3cf8ed118ce0da.html#b-349959b27b05a2317cbda41d","content":"按问题继续","sha256":"e91f24e4e4ca40e2099a0d81d30db6568f4bf2074b499eeee6e3959617bd97ac","chapter":{"id":"course","title":"学习路径： 表示怎样迁移到新任务"},"unit":{"id":"notebook-blocks/60d63838f97a43df9e3cf8ed118ce0da","title":"学习路径： 表示怎样迁移到新任务"},"page":{"id":"reading-opening","title":"学习路径： 表示怎样迁移到新任务","number":1},"sectionTitle":"学习路径： 表示怎样迁移到新任务","currentQuestion":"学习路径： 表示怎样迁移到新任务","sourceSlides":[],"knowledgeBlock":null,"formulas":[],"previousBlock":"b-18d212ff49cdc333109977c4","nextBlock":"b-db44e883d9552b088bf96259","prerequisites":[{"id":"b-18d212ff49cdc333109977c4","url":"#b-18d212ff49cdc333109977c4","role":"section-title"},{"id":"b-02a522e58a07b8bf3eb31ed6","url":"#b-02a522e58a07b8bf3eb31ed6","role":"problem-context"}],"relatedBlocks":[]},{"id":"b-db44e883d9552b088bf96259","type":"p","scope":"document","url":"https://codingai-lec03.pages.dev/course/notebook-blocks/60d63838f97a43df9e3cf8ed118ce0da.html#b-db44e883d9552b088bf96259","content":"同源参数的冻结/局部/全量/scratch与BN模式辨析","sha256":"5f1e2e7a35a6afaca427b0b03cfec448b4aac4324b16108f14671986a2d98b38","chapter":{"id":"course","title":"学习路径： 表示怎样迁移到新任务"},"unit":{"id":"notebook-blocks/60d63838f97a43df9e3cf8ed118ce0da","title":"学习路径： 表示怎样迁移到新任务"},"page":{"id":"reading-opening","title":"学习路径： 表示怎样迁移到新任务","number":1},"sectionTitle":"学习路径： 表示怎样迁移到新任务","currentQuestion":"学习路径： 表示怎样迁移到新任务","sourceSlides":[],"knowledgeBlock":null,"formulas":[],"previousBlock":"b-349959b27b05a2317cbda41d","nextBlock":"b-f2e1459c674b658a4ff6c41c","prerequisites":[{"id":"b-18d212ff49cdc333109977c4","url":"#b-18d212ff49cdc333109977c4","role":"section-title"},{"id":"b-02a522e58a07b8bf3eb31ed6","url":"#b-02a522e58a07b8bf3eb31ed6","role":"problem-context"}],"relatedBlocks":[]},{"id":"b-f2e1459c674b658a4ff6c41c","type":"p","scope":"document","url":"https://codingai-lec03.pages.dev/course/notebook-blocks/60d63838f97a43df9e3cf8ed118ce0da.html#b-f2e1459c674b658a4ff6c41c","content":"**学习路径：** [表示怎样迁移到新任务](/course/study/readout-transfer.html)","sha256":"efc07be0d238c97b2a0f2a3e1e141f27691e7d1aadb5b0bc2662d7d40218327f","chapter":{"id":"course","title":"学习路径： 表示怎样迁移到新任务"},"unit":{"id":"notebook-blocks/60d63838f97a43df9e3cf8ed118ce0da","title":"学习路径： 表示怎样迁移到新任务"},"page":{"id":"reading-opening","title":"学习路径： 表示怎样迁移到新任务","number":1},"sectionTitle":"学习路径： 表示怎样迁移到新任务","currentQuestion":"学习路径： 表示怎样迁移到新任务","sourceSlides":[],"knowledgeBlock":null,"formulas":[],"previousBlock":"b-db44e883d9552b088bf96259","nextBlock":"b-bea54564f3eb666f4344cc73","prerequisites":[{"id":"b-18d212ff49cdc333109977c4","url":"#b-18d212ff49cdc333109977c4","role":"section-title"},{"id":"b-02a522e58a07b8bf3eb31ed6","url":"#b-02a522e58a07b8bf3eb31ed6","role":"problem-context"}],"relatedBlocks":[]},{"id":"b-bea54564f3eb666f4344cc73","type":"p","scope":"document","url":"https://codingai-lec03.pages.dev/course/notebook-blocks/60d63838f97a43df9e3cf8ed118ce0da.html#b-bea54564f3eb666f4344cc73","content":"**允许改变参数以后，已有权重是否比从头训练更有用？**","sha256":"1ce2327a72de3b56c61487d99fcf335697039073a22eabe9e80a832af0210b94","chapter":{"id":"course","title":"学习路径： 表示怎样迁移到新任务"},"unit":{"id":"notebook-blocks/60d63838f97a43df9e3cf8ed118ce0da","title":"学习路径： 表示怎样迁移到新任务"},"page":{"id":"reading-opening","title":"学习路径： 表示怎样迁移到新任务","number":1},"sectionTitle":"学习路径： 表示怎样迁移到新任务","currentQuestion":"学习路径： 表示怎样迁移到新任务","sourceSlides":[],"knowledgeBlock":null,"formulas":[],"previousBlock":"b-f2e1459c674b658a4ff6c41c","nextBlock":"b-2794dab07e8719df684c173b","prerequisites":[{"id":"b-18d212ff49cdc333109977c4","url":"#b-18d212ff49cdc333109977c4","role":"section-title"},{"id":"b-02a522e58a07b8bf3eb31ed6","url":"#b-02a522e58a07b8bf3eb31ed6","role":"problem-context"}],"relatedBlocks":[]},{"id":"b-2794dab07e8719df684c173b","type":"p","scope":"document","url":"https://codingai-lec03.pages.dev/course/notebook-blocks/60d63838f97a43df9e3cf8ed118ce0da.html#b-2794dab07e8719df684c173b","content":"先读目标数字图和四臂参数范围：只训练新头、解冻后部、全部微调、随机起点。随后只按验证交叉熵选择停点和方案，最后读取保留评价。保存协议中scratch较好；用它检查“迁移必然获益”的直觉，而不是换一套口径把结果改好。","sha256":"4c7762221f1bc0b89815a6ad7702b267278cd03cd6cfc6923f649d8cf97ca501","chapter":{"id":"course","title":"学习路径： 表示怎样迁移到新任务"},"unit":{"id":"notebook-blocks/60d63838f97a43df9e3cf8ed118ce0da","title":"学习路径： 表示怎样迁移到新任务"},"page":{"id":"reading-opening","title":"学习路径： 表示怎样迁移到新任务","number":1},"sectionTitle":"学习路径： 表示怎样迁移到新任务","currentQuestion":"学习路径： 表示怎样迁移到新任务","sourceSlides":[],"knowledgeBlock":null,"formulas":[],"previousBlock":"b-bea54564f3eb666f4344cc73","nextBlock":"b-b026b2adb0edbf741ded1176","prerequisites":[{"id":"b-18d212ff49cdc333109977c4","url":"#b-18d212ff49cdc333109977c4","role":"section-title"},{"id":"b-02a522e58a07b8bf3eb31ed6","url":"#b-02a522e58a07b8bf3eb31ed6","role":"problem-context"}],"relatedBlocks":[]},{"id":"b-b026b2adb0edbf741ded1176","type":"p","scope":"document","url":"https://codingai-lec03.pages.dev/course/notebook-blocks/60d63838f97a43df9e3cf8ed118ce0da.html#b-b026b2adb0edbf741ded1176","content":"留下四行比较，写清起点、哪些参数更新、验证选择与保留结果。[P23](/course/pages/l3-r2-p23.html)区分冻结读出和微调，[解释这次负结果](/course/blocks/adaptation-scope-and-negative-result.html)说明能带走的判断。","sha256":"6133de7dfaf36f19f786d9511c3ec0671a95209420e4ec93f9cd36ac8bc587a7","chapter":{"id":"course","title":"学习路径： 表示怎样迁移到新任务"},"unit":{"id":"notebook-blocks/60d63838f97a43df9e3cf8ed118ce0da","title":"学习路径： 表示怎样迁移到新任务"},"page":{"id":"reading-opening","title":"学习路径： 表示怎样迁移到新任务","number":1},"sectionTitle":"学习路径： 表示怎样迁移到新任务","currentQuestion":"学习路径： 表示怎样迁移到新任务","sourceSlides":[],"knowledgeBlock":null,"formulas":[],"previousBlock":"b-2794dab07e8719df684c173b","nextBlock":"b-22b5333f7452011275c853e3","prerequisites":[{"id":"b-18d212ff49cdc333109977c4","url":"#b-18d212ff49cdc333109977c4","role":"section-title"},{"id":"b-02a522e58a07b8bf3eb31ed6","url":"#b-02a522e58a07b8bf3eb31ed6","role":"problem-context"}],"relatedBlocks":[]},{"id":"b-22b5333f7452011275c853e3","type":"p","scope":"document","url":"https://codingai-lec03.pages.dev/course/notebook-blocks/60d63838f97a43df9e3cf8ed118ce0da.html#b-22b5333f7452011275c853e3","content":"输入是MNIST数字≥5，叶片图只是应用情境。重算从准备单元开始，保持源checkpoint不变；需要新结论时另留评价集。只想判断现成表示而不改参数，请用[LAB 01](https://deepnote.com/project/38755e4e-23f6-4f5f-8c68-8a2e4114b1c1/notebook/4dd8605ed9904820919ea9e13d9e7d7c)。","sha256":"0c6bcd22b6e25f16c071abc776e71f1a7d4c003d0cfac515b5552bcc902db63c","chapter":{"id":"course","title":"学习路径： 表示怎样迁移到新任务"},"unit":{"id":"notebook-blocks/60d63838f97a43df9e3cf8ed118ce0da","title":"学习路径： 表示怎样迁移到新任务"},"page":{"id":"reading-opening","title":"学习路径： 表示怎样迁移到新任务","number":1},"sectionTitle":"学习路径： 表示怎样迁移到新任务","currentQuestion":"学习路径： 表示怎样迁移到新任务","sourceSlides":[],"knowledgeBlock":null,"formulas":[],"previousBlock":"b-b026b2adb0edbf741ded1176","nextBlock":null,"prerequisites":[{"id":"b-18d212ff49cdc333109977c4","url":"#b-18d212ff49cdc333109977c4","role":"section-title"},{"id":"b-02a522e58a07b8bf3eb31ed6","url":"#b-02a522e58a07b8bf3eb31ed6","role":"problem-context"}],"relatedBlocks":[]}]}