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阅读与动手顺序","sha256":"fe70d0188def3730a8b7b86505cbbe3b1936f75fbed253c2d4e637a968cfe45b","chapter":{"id":"course","title":"从遮挡重建到表示评价"},"unit":{"id":"study/masked-reconstruction","title":"从遮挡重建到表示评价"},"page":{"id":"reading-steps","title":"阅读与动手顺序","number":2},"sectionTitle":"阅读与动手顺序","currentQuestion":"阅读与动手顺序","sourceSlides":[],"knowledgeBlock":null,"formulas":[],"previousBlock":null,"nextBlock":"b-55edfcf8f0037bddcc15f22e","prerequisites":[{"id":"b-41039fcf7813026998fd37e2","url":"#b-41039fcf7813026998fd37e2","role":"problem-context"}],"relatedBlocks":[]},{"id":"b-55edfcf8f0037bddcc15f22e","type":"ol","scope":"steps","url":"https://codingai-lec03.pages.dev/course/study/masked-reconstruction.html#b-55edfcf8f0037bddcc15f22e","content":"- ### 先辨认模型看见什么\n\n对应 16 块中 4 块可见的课堂机制，分开可见输入、位置线索、解码补位与遮挡位置目标。\n- ### 读小型学习实验\n\nLAB08 用完整像素网格和 mask 通道训练小型卷积自编码器，再单独评价表示；它不采用原版 MAE 只编码可见 token 的结构，也不复现该结构的计算节省。\n- ### 需要时回到 patch 词典\n\nLAB05 的 patch 词典解释另一种无类别标签的表示构造，可与神经网络重建比较。","sha256":"e7954ea695f7a2f6efdc1b0d923cc01348096fe43f40ca6b1090c4bcb3384cfa","chapter":{"id":"course","title":"从遮挡重建到表示评价"},"unit":{"id":"study/masked-reconstruction","title":"从遮挡重建到表示评价"},"page":{"id":"reading-steps","title":"阅读与动手顺序","number":2},"sectionTitle":"阅读与动手顺序","currentQuestion":"阅读与动手顺序","sourceSlides":[],"knowledgeBlock":null,"formulas":[],"previousBlock":"b-b648d01dbdf782284bb3462b","nextBlock":"b-f26fc52e33cbab0096711fff","prerequisites":[{"id":"b-b648d01dbdf782284bb3462b","url":"#b-b648d01dbdf782284bb3462b","role":"section-title"},{"id":"b-41039fcf7813026998fd37e2","url":"#b-41039fcf7813026998fd37e2","role":"problem-context"}],"relatedBlocks":[]},{"id":"b-f26fc52e33cbab0096711fff","type":"li","scope":"steps","url":"https://codingai-lec03.pages.dev/course/study/masked-reconstruction.html#b-f26fc52e33cbab0096711fff","content":"- ### 先辨认模型看见什么\n\n对应 16 块中 4 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带走的结果","sha256":"b36b36fed7907fe618dc125fe4123b9f998461c6dab4ab8dfbfdfc4c94c8cc25","chapter":{"id":"course","title":"从遮挡重建到表示评价"},"unit":{"id":"study/masked-reconstruction","title":"从遮挡重建到表示评价"},"page":{"id":"reading-output","title":"带走的结果","number":3},"sectionTitle":"带走的结果","currentQuestion":"带走的结果","sourceSlides":[],"knowledgeBlock":null,"formulas":[],"previousBlock":null,"nextBlock":"b-881e7217b6b8102ca2cd384e","prerequisites":[{"id":"b-881e7217b6b8102ca2cd384e","url":"#b-881e7217b6b8102ca2cd384e","role":"problem-context"}],"relatedBlocks":[]},{"id":"b-881e7217b6b8102ca2cd384e","type":"p","scope":"output","url":"https://codingai-lec03.pages.dev/course/study/masked-reconstruction.html#b-881e7217b6b8102ca2cd384e","content":"并列报告重建误差与一个下游读出结果，解释二者回答的问题为何不同。","sha256":"2711a10189eaf2cf17f9eafc6d862b0ab8fe47b96d849e8ec81790065ab72711","chapter":{"id":"course","title":"从遮挡重建到表示评价"},"unit":{"id":"study/masked-reconstruction","title":"从遮挡重建到表示评价"},"page":{"id":"reading-output","title":"带走的结果","number":3},"sectionTitle":"带走的结果","currentQuestion":"带走的结果","sourceSlides":[],"knowledgeBlock":null,"formulas":[],"previousBlock":"b-2e7a4e5a1606e5d8b9ef98c7","nextBlock":null,"prerequisites":[{"id":"b-2e7a4e5a1606e5d8b9ef98c7","url":"#b-2e7a4e5a1606e5d8b9ef98c7","role":"section-title"}],"relatedBlocks":[]},{"id":"b-051de2ec824e6f92968f2fb0","type":"h2","scope":"practice","url":"https://codingai-lec03.pages.dev/course/study/masked-reconstruction.html#b-051de2ec824e6f92968f2fb0","content":"## 优先实践","sha256":"0b242f211890b34b91f0dce9c1b60fa872957d318ee44d54c0ea6566dd831ab9","chapter":{"id":"course","title":"从遮挡重建到表示评价"},"unit":{"id":"study/masked-reconstruction","title":"从遮挡重建到表示评价"},"page":{"id":"reading-practice","title":"优先实践","number":4},"sectionTitle":"优先实践","currentQuestion":"优先实践","sourceSlides":[],"knowledgeBlock":null,"formulas":[],"previousBlock":null,"nextBlock":"b-504341187b1f77a83792c549","prerequisites":[{"id":"b-504341187b1f77a83792c549","url":"#b-504341187b1f77a83792c549","role":"problem-context"}],"relatedBlocks":[]},{"id":"b-504341187b1f77a83792c549","type":"p","scope":"practice","url":"https://codingai-lec03.pages.dev/course/study/masked-reconstruction.html#b-504341187b1f77a83792c549","content":"可先阅读已有结果，再按问题选择是否重算。并列实验提供不同起点，不要求全部运行。","sha256":"19608cacbee0cd46460095bdebd3ee178d3479857b413a9a631e4b79f688aaef","chapter":{"id":"course","title":"从遮挡重建到表示评价"},"unit":{"id":"study/masked-reconstruction","title":"从遮挡重建到表示评价"},"page":{"id":"reading-practice","title":"优先实践","number":4},"sectionTitle":"优先实践","currentQuestion":"优先实践","sourceSlides":[],"knowledgeBlock":null,"formulas":[],"previousBlock":"b-051de2ec824e6f92968f2fb0","nextBlock":"b-49e23d7f4369effc69673557","prerequisites":[{"id":"b-051de2ec824e6f92968f2fb0","url":"#b-051de2ec824e6f92968f2fb0","role":"section-title"}],"relatedBlocks":[]},{"id":"b-49e23d7f4369effc69673557","type":"ul","scope":"practice","url":"https://codingai-lec03.pages.dev/course/study/masked-reconstruction.html#b-49e23d7f4369effc69673557","content":"- [LAB 08 · 图像重建：遮挡损失与表示评价](/course/notebooks/b5ba27f2c5ba4ec0922208a7d5dc80a4.html)\n索引恢复、去噪/遮挡ConvAE训练、PCA基线、独立冻结评价\n[在 Deepnote 打开 ↗](https://deepnote.com/workspace/ise3309jingao-5ba66b0a-4283-4f5a-ae06-3f68d3201e99/project/38755e4e-23f6-4f5f-8c68-8a2e4114b1c1/notebook/b5ba27f2c5ba4ec0922208a7d5dc80a4?utm_source=openai&utm_medium=mcp&utm_campaign=openaimcp&utm_content=b5ba27f2c5ba4ec0922208a7d5dc80a4&utm_term=get_notebook)","sha256":"d89928b3c021f86544f4293703185571370baf9fdb617c5881ca57c398fecfd2","chapter":{"id":"course","title":"从遮挡重建到表示评价"},"unit":{"id":"study/masked-reconstruction","title":"从遮挡重建到表示评价"},"page":{"id":"reading-practice","title":"优先实践","number":4},"sectionTitle":"优先实践","currentQuestion":"优先实践","sourceSlides":[],"knowledgeBlock":null,"formulas":[],"previousBlock":"b-504341187b1f77a83792c549","nextBlock":"b-015aaeee1c279550fa018cee","prerequisites":[{"id":"b-051de2ec824e6f92968f2fb0","url":"#b-051de2ec824e6f92968f2fb0","role":"section-title"},{"id":"b-504341187b1f77a83792c549","url":"#b-504341187b1f77a83792c549","role":"problem-context"}],"relatedBlocks":[]},{"id":"b-015aaeee1c279550fa018cee","type":"li","scope":"practice","url":"https://codingai-lec03.pages.dev/course/study/masked-reconstruction.html#b-015aaeee1c279550fa018cee","content":"- 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↗](https://deepnote.com/workspace/ise3309jingao-5ba66b0a-4283-4f5a-ae06-3f68d3201e99/project/38755e4e-23f6-4f5f-8c68-8a2e4114b1c1/notebook/b5ba27f2c5ba4ec0922208a7d5dc80a4?utm_source=openai&utm_medium=mcp&utm_campaign=openaimcp&utm_content=b5ba27f2c5ba4ec0922208a7d5dc80a4&utm_term=get_notebook)","sha256":"d89928b3c021f86544f4293703185571370baf9fdb617c5881ca57c398fecfd2","chapter":{"id":"course","title":"从遮挡重建到表示评价"},"unit":{"id":"study/masked-reconstruction","title":"从遮挡重建到表示评价"},"page":{"id":"reading-practice","title":"优先实践","number":4},"sectionTitle":"优先实践","currentQuestion":"优先实践","sourceSlides":[],"knowledgeBlock":null,"formulas":[],"previousBlock":"b-49e23d7f4369effc69673557","nextBlock":"b-c030e4ff5d43db34f0205369","prerequisites":[{"id":"b-051de2ec824e6f92968f2fb0","url":"#b-051de2ec824e6f92968f2fb0","role":"section-title"},{"id":"b-504341187b1f77a83792c549","url":"#b-504341187b1f77a83792c549","role":"problem-context"}],"relatedBlocks":[]},{"id":"b-c030e4ff5d43db34f0205369","type":"p","scope":"practice","url":"https://codingai-lec03.pages.dev/course/study/masked-reconstruction.html#b-c030e4ff5d43db34f0205369","content":"索引恢复、去噪/遮挡ConvAE训练、PCA基线、独立冻结评价","sha256":"0f845ef31b98ed8c96f689fea3088b0a7482be32b2d5510c83f9fcbb05da4c9d","chapter":{"id":"course","title":"从遮挡重建到表示评价"},"unit":{"id":"study/masked-reconstruction","title":"从遮挡重建到表示评价"},"page":{"id":"reading-practice","title":"优先实践","number":4},"sectionTitle":"优先实践","currentQuestion":"优先实践","sourceSlides":[],"knowledgeBlock":null,"formulas":[],"previousBlock":"b-015aaeee1c279550fa018cee","nextBlock":null,"prerequisites":[{"id":"b-051de2ec824e6f92968f2fb0","url":"#b-051de2ec824e6f92968f2fb0","role":"section-title"},{"id":"b-504341187b1f77a83792c549","url":"#b-504341187b1f77a83792c549","role":"problem-context"}],"relatedBlocks":[]},{"id":"b-c64d79f649501a95ea2c0f6e","type":"h2","scope":"readings","url":"https://codingai-lec03.pages.dev/course/study/masked-reconstruction.html#b-c64d79f649501a95ea2c0f6e","content":"## 配套讲解","sha256":"1c792c1a05326d4a07eba3b245e97c5be88fcadf7f81a2700ca1963b4c7f0299","chapter":{"id":"course","title":"从遮挡重建到表示评价"},"unit":{"id":"study/masked-reconstruction","title":"从遮挡重建到表示评价"},"page":{"id":"reading-readings","title":"配套讲解","number":5},"sectionTitle":"配套讲解","currentQuestion":"配套讲解","sourceSlides":[],"knowledgeBlock":null,"formulas":[],"previousBlock":null,"nextBlock":"b-311b3f6f2424b67582430636","prerequisites":[{"id":"b-53b9e27c3d72f18aac25a939","url":"#b-53b9e27c3d72f18aac25a939","role":"problem-context"}],"relatedBlocks":[]},{"id":"b-311b3f6f2424b67582430636","type":"ul","scope":"readings","url":"https://codingai-lec03.pages.dev/course/study/masked-reconstruction.html#b-311b3f6f2424b67582430636","content":"- [CLS 04 · 重建：约束、位置与表示评价](/course/notebooks/23b0affc4b824723927bd0938fd2bbda.html)\n词典/PCA数值、线性自编码约束、遮挡索引、masked ConvAE与MAE区别\n[在 Deepnote 打开 ↗](https://deepnote.com/workspace/ise3309jingao-5ba66b0a-4283-4f5a-ae06-3f68d3201e99/project/38755e4e-23f6-4f5f-8c68-8a2e4114b1c1/notebook/23b0affc4b824723927bd0938fd2bbda?utm_source=openai&utm_medium=mcp&utm_campaign=openaimcp&utm_content=23b0affc4b824723927bd0938fd2bbda&utm_term=get_notebook)","sha256":"49fb20d913623e910773272bbf8313687a0b665a45c04a45b6bf16599835eb57","chapter":{"id":"course","title":"从遮挡重建到表示评价"},"unit":{"id":"study/masked-reconstruction","title":"从遮挡重建到表示评价"},"page":{"id":"reading-readings","title":"配套讲解","number":5},"sectionTitle":"配套讲解","currentQuestion":"配套讲解","sourceSlides":[],"knowledgeBlock":null,"formulas":[],"previousBlock":"b-c64d79f649501a95ea2c0f6e","nextBlock":"b-99913b620bc89fc810de05ac","prerequisites":[{"id":"b-c64d79f649501a95ea2c0f6e","url":"#b-c64d79f649501a95ea2c0f6e","role":"section-title"},{"id":"b-53b9e27c3d72f18aac25a939","url":"#b-53b9e27c3d72f18aac25a939","role":"problem-context"}],"relatedBlocks":[]},{"id":"b-99913b620bc89fc810de05ac","type":"li","scope":"readings","url":"https://codingai-lec03.pages.dev/course/study/masked-reconstruction.html#b-99913b620bc89fc810de05ac","content":"- 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↗](https://deepnote.com/workspace/ise3309jingao-5ba66b0a-4283-4f5a-ae06-3f68d3201e99/project/38755e4e-23f6-4f5f-8c68-8a2e4114b1c1/notebook/23b0affc4b824723927bd0938fd2bbda?utm_source=openai&utm_medium=mcp&utm_campaign=openaimcp&utm_content=23b0affc4b824723927bd0938fd2bbda&utm_term=get_notebook)","sha256":"49fb20d913623e910773272bbf8313687a0b665a45c04a45b6bf16599835eb57","chapter":{"id":"course","title":"从遮挡重建到表示评价"},"unit":{"id":"study/masked-reconstruction","title":"从遮挡重建到表示评价"},"page":{"id":"reading-readings","title":"配套讲解","number":5},"sectionTitle":"配套讲解","currentQuestion":"配套讲解","sourceSlides":[],"knowledgeBlock":null,"formulas":[],"previousBlock":"b-311b3f6f2424b67582430636","nextBlock":"b-53b9e27c3d72f18aac25a939","prerequisites":[{"id":"b-c64d79f649501a95ea2c0f6e","url":"#b-c64d79f649501a95ea2c0f6e","role":"section-title"},{"id":"b-53b9e27c3d72f18aac25a939","url":"#b-53b9e27c3d72f18aac25a939","role":"problem-context"}],"relatedBlocks":[]},{"id":"b-53b9e27c3d72f18aac25a939","type":"p","scope":"readings","url":"https://codingai-lec03.pages.dev/course/study/masked-reconstruction.html#b-53b9e27c3d72f18aac25a939","content":"词典/PCA数值、线性自编码约束、遮挡索引、masked 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↗](https://deepnote.com/workspace/ise3309jingao-5ba66b0a-4283-4f5a-ae06-3f68d3201e99/project/38755e4e-23f6-4f5f-8c68-8a2e4114b1c1/notebook/de39b998077f44cca4b8407085547766?utm_source=openai&utm_medium=mcp&utm_campaign=openaimcp&utm_content=de39b998077f44cca4b8407085547766&utm_term=get_notebook)","sha256":"c0cc8f9ce2df833658f9ba283ad4de20906200fdb6d94dce59e79b098e9241eb","chapter":{"id":"course","title":"从遮挡重建到表示评价"},"unit":{"id":"study/masked-reconstruction","title":"从遮挡重建到表示评价"},"page":{"id":"reading-extensions","title":"遇到相应问题时再展开（1 项）","number":6},"sectionTitle":"遇到相应问题时再展开（1 项）","currentQuestion":"遇到相应问题时再展开（1 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