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同一杯子换了区域，局部目标也要变","sha256":"6c51c9e0f9201930c4b883938efcd1a7cec63a222c9f4919e715ce37b964497c","chapter":{"id":"II","title":"区域、像素与实例"},"unit":{"id":"roi-alignment-and-evidence","title":"区域采样怎样保住几何对应？"},"page":{"id":"roi-local-target-frame","title":"同一杯子换了区域，局部目标也要变","number":1},"sectionTitle":"同一杯子换了区域，局部目标也要变","currentQuestion":"从坐标、四邻插值到局部目标，再检查论文中的同条件证据。","sourceSlides":["l3-r2-p43"],"knowledgeBlock":null,"formulas":[],"previousBlock":null,"nextBlock":"b-d13daa00de459f9c818da332","prerequisites":[{"id":"b-1f52bad7a521adb2ebc4a3eb","url":"#b-1f52bad7a521adb2ebc4a3eb","role":"problem-context"}],"relatedBlocks":[{"id":"b-4a87ed0ca72ab4b091ef76b7","url":"#b-4a87ed0ca72ab4b091ef76b7","relation":"figure-and-explanation"}]},{"id":"b-d13daa00de459f9c818da332","type":"h2","scope":"explanation","url":"https://codingai-lec03.pages.dev/course/pages/l3-r2-p43.html#b-d13daa00de459f9c818da332","content":"## 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RoI 中的局部位置不同，因此训练 target 必须与区域坐标同步。这里连接实际 mask 对应与原论文的 RoIAlign 实证；接下来固定 F 的问卷反例改变了实验条件，不否定这个正面结果。","sha256":"3977c7392857965e1a19004cc5840b9c307e8ffb38cd9a25fdc49f2668ef3bac","chapter":{"id":"II","title":"区域、像素与实例"},"unit":{"id":"roi-alignment-and-evidence","title":"区域采样怎样保住几何对应？"},"page":{"id":"roi-local-target-frame","title":"同一杯子换了区域，局部目标也要变","number":1},"sectionTitle":"同一杯子换了区域，局部目标也要变","currentQuestion":"从坐标、四邻插值到局部目标，再检查论文中的同条件证据。","sourceSlides":["l3-r2-p43"],"knowledgeBlock":null,"formulas":[],"previousBlock":"b-ac95a8d7a93648e47f11d7fb","nextBlock":"b-4a87ed0ca72ab4b091ef76b7","prerequisites":[{"id":"b-ac95a8d7a93648e47f11d7fb","url":"#b-ac95a8d7a93648e47f11d7fb","role":"section-title"}],"relatedBlocks":[{"id":"b-4a87ed0ca72ab4b091ef76b7","url":"#b-4a87ed0ca72ab4b091ef76b7","relation":"figure-and-explanation"}]},{"id":"b-4a87ed0ca72ab4b091ef76b7","type":"figure","scope":"document","url":"https://codingai-lec03.pages.dev/course/pages/l3-r2-p43.html#b-4a87ed0ca72ab4b091ef76b7","content":"图内标签与数值：Lecture 03 课堂图解 P43；同一只杯子，两份 RoI；RoI A：更紧；局部目标占比更大；RoI B：更宽；轮廓更小，位置也改变；同一可见轮廓映射到不同局部坐标；区域范围、采样与 mask 目标必须一致。\n\n同一红杯两个精确坐标 RoI，映射到相同大小的局部 mask 网格后呈现不同占比与位置。\n\n- 同一只杯子，两份 RoI\n- RoI A：更紧\n- 局部目标占比更大\n- RoI B：更宽\n- 轮廓更小，位置也改变\n- 同一可见轮廓映射到不同局部坐标；区域范围、采样与 mask 目标必须一致。同一红杯两个精确坐标 RoI，映射到相同大小的局部 mask 网格后呈现不同占比与位置。 [查看对应图解状态](/#/l3-r2-p43/0)[查看完整图解](/course/figures/l3-r2-p43-0.html)","sha256":"ae1d151de6e19239355c2bcb7bcf7c787471a6dacd861d89080449c9976531ed","chapter":{"id":"II","title":"区域、像素与实例"},"unit":{"id":"roi-alignment-and-evidence","title":"区域采样怎样保住几何对应？"},"page":{"id":"roi-local-target-frame","title":"同一杯子换了区域，局部目标也要变","number":1},"sectionTitle":"同一杯子换了区域，局部目标也要变","currentQuestion":"从坐标、四邻插值到局部目标，再检查论文中的同条件证据。","sourceSlides":["l3-r2-p43"],"knowledgeBlock":null,"formulas":[],"figure":{"caption":"同一红杯两个精确坐标 RoI，映射到相同大小的局部 mask 网格后呈现不同占比与位置。 查看对应图解状态","labels":["同一只杯子，两份 RoI","RoI A：更紧","局部目标占比更大","RoI B：更宽","轮廓更小，位置也改变","同一可见轮廓映射到不同局部坐标；区域范围、采样与 mask 目标必须一致。"],"description":"同一红杯两个精确坐标 RoI，映射到相同大小的局部 mask 网格后呈现不同占比与位置。同一只杯子，两份 RoIRoI A：更紧局部目标占比更大RoI B：更宽轮廓更小，位置也改变同一可见轮廓映射到不同局部坐标；区域范围、采样与 mask 目标必须一致。","evidenceIdentity":"同一红杯两个精确坐标 RoI，映射到相同大小的局部 mask 网格后呈现不同占比与位置。 查看对应图解状态","images":[{"src":"/assets/display/8ced939a1fd55047fbf73ea5.webp","alt":""}]},"previousBlock":"b-1f52bad7a521adb2ebc4a3eb","nextBlock":"b-b7013d50e2d7990133468fb6","prerequisites":[{"id":"b-ac95a8d7a93648e47f11d7fb","url":"#b-ac95a8d7a93648e47f11d7fb","role":"section-title"},{"id":"b-1f52bad7a521adb2ebc4a3eb","url":"#b-1f52bad7a521adb2ebc4a3eb","role":"problem-context"}],"relatedBlocks":[]},{"id":"b-b7013d50e2d7990133468fb6","type":"h2","scope":"narrative","url":"https://codingai-lec03.pages.dev/course/pages/l3-r2-p43.html#b-b7013d50e2d7990133468fb6","content":"## 课堂讲述","sha256":"786ce10a6b32a492259a3dccd0a54e61cd41d28a34382fb7b5386c5f03b7ad69","chapter":{"id":"II","title":"区域、像素与实例"},"unit":{"id":"roi-alignment-and-evidence","title":"区域采样怎样保住几何对应？"},"page":{"id":"roi-local-target-frame","title":"同一杯子换了区域，局部目标也要变","number":1},"sectionTitle":"同一杯子换了区域，局部目标也要变","currentQuestion":"从坐标、四邻插值到局部目标，再检查论文中的同条件证据。","sourceSlides":["l3-r2-p43"],"knowledgeBlock":null,"formulas":[],"previousBlock":"b-4a87ed0ca72ab4b091ef76b7","nextBlock":"b-60e4305ec7a68a6639edfc98","prerequisites":[{"id":"b-ac95a8d7a93648e47f11d7fb","url":"#b-ac95a8d7a93648e47f11d7fb","role":"section-title"},{"id":"b-1f52bad7a521adb2ebc4a3eb","url":"#b-1f52bad7a521adb2ebc4a3eb","role":"problem-context"}],"relatedBlocks":[{"id":"b-4a87ed0ca72ab4b091ef76b7","url":"#b-4a87ed0ca72ab4b091ef76b7","relation":"figure-and-explanation"}]},{"id":"b-60e4305ec7a68a6639edfc98","type":"p","scope":"narrative","url":"https://codingai-lec03.pages.dev/course/pages/l3-r2-p43.html#b-60e4305ec7a68a6639edfc98","content":"区域掩码是在局部坐标里预测的。同一个对象，区域取大一些或偏一些，映射到局部网格之后，目标轮廓的位置和比例也会变化。\n所以区域、采样和掩码目标必须对得上。不能把一份 mask 贴在另一份不相符的区域上，然后期待网络从错误监督中学出准确边界。\n这也是为什么原论文会专门比较不同的区域提取方式：掩码任务对空间对应提出了更强的要求。对我们自己的问题，关键启发是沿信息流找错误发生在哪一段，不是边界一差就直接换更大的骨干。现在再问一个更根本的问题：如果表示本身已经把两种输入混成相同数值呢？","sha256":"f51e875c42462b59c5bf8703d03dedaf5138aa02031d57b1fcd5166af7e1ba63","chapter":{"id":"II","title":"区域、像素与实例"},"unit":{"id":"roi-alignment-and-evidence","title":"区域采样怎样保住几何对应？"},"page":{"id":"roi-local-target-frame","title":"同一杯子换了区域，局部目标也要变","number":1},"sectionTitle":"同一杯子换了区域，局部目标也要变","currentQuestion":"从坐标、四邻插值到局部目标，再检查论文中的同条件证据。","sourceSlides":["l3-r2-p43"],"knowledgeBlock":null,"formulas":[],"previousBlock":"b-b7013d50e2d7990133468fb6","nextBlock":"b-a79840a05731bea150c01655","prerequisites":[{"id":"b-b7013d50e2d7990133468fb6","url":"#b-b7013d50e2d7990133468fb6","role":"section-title"},{"id":"b-1f52bad7a521adb2ebc4a3eb","url":"#b-1f52bad7a521adb2ebc4a3eb","role":"problem-context"}],"relatedBlocks":[{"id":"b-4a87ed0ca72ab4b091ef76b7","url":"#b-4a87ed0ca72ab4b091ef76b7","relation":"figure-and-explanation"}]},{"id":"b-a79840a05731bea150c01655","type":"h3","scope":"local-mask-coordinate-target","url":"https://codingai-lec03.pages.dev/course/pages/l3-r2-p43.html#b-a79840a05731bea150c01655","content":"### 同一只杯子换了 RoI，局部标签也要跟着换","sha256":"bb61870e0680beb0de05d64609a77eb0544c41104b82dd241cf8e5211ed52260","chapter":{"id":"II","title":"区域、像素与实例"},"unit":{"id":"roi-alignment-and-evidence","title":"区域采样怎样保住几何对应？"},"page":{"id":"roi-local-target-frame","title":"同一杯子换了区域，局部目标也要变","number":1},"sectionTitle":"同一只杯子换了 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$(x,y)$ 在框 $b=(x_0,y_0,w,h)$ 内，可写成相对位置 $((x-x_0)/w,(y-y_0)/h)$。杯子本身不动，框变宽后，杯子占局部窗口的比例会变小；框向右偏，杯子在局部窗口中会向左移动。","sha256":"2285661c2adcbbd0aedc0360bef8e00ea325e04ae0a5536a273779b9b116ad62","chapter":{"id":"II","title":"区域、像素与实例"},"unit":{"id":"roi-alignment-and-evidence","title":"区域采样怎样保住几何对应？"},"page":{"id":"roi-local-target-frame","title":"同一杯子换了区域，局部目标也要变","number":1},"sectionTitle":"同一只杯子换了 RoI，局部标签也要跟着换","currentQuestion":"从坐标、四邻插值到局部目标，再检查论文中的同条件证据。","sourceSlides":["l3-r2-p43"],"knowledgeBlock":"local-mask-coordinate-target","formulas":[{"latex":"(x,y)","definitionContext":"原图位置 $(x,y)$ 在框 $b=(x_0,y_0,w,h)$ 内，可写成相对位置 $((x-x_0)/w,(y-y_0)/h)$。杯子本身不动，框变宽后，杯子占局部窗口的比例会变小；框向右偏，杯子在局部窗口中会向左移动。\n因此局部 mask 不只取决于对象轮廓，还取决于当前 RoI。训练时须将匹配实例的真值 mask 按同一框裁取并映射到目标网格；推理时再把局部预测映回该框的原图位置。若错把杯一的局部标签贴到杯二框上，网络收到的监督关系已经错了，增加参数不能补救这个对应错误。\n本页显示同一杯子的两个区域，帮助区分“图像里的对象坐标”与“区域里的归一化坐标”。LAB03 的局部窗口是教学裁剪，可检查框的身份；它没有对预训练特征真正调用二维 RoIAlign。\n这也是原论文需要对齐消融的理由：实例 mask 对空间对应提出更严格要求。正面实验说明正确读取有实用收益；它与 P44 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mask 不只取决于对象轮廓，还取决于当前 RoI。训练时须将匹配实例的真值 mask 按同一框裁取并映射到目标网格；推理时再把局部预测映回该框的原图位置。若错把杯一的局部标签贴到杯二框上，网络收到的监督关系已经错了，增加参数不能补救这个对应错误。","sha256":"af9fc7a0404c564a4d7edee244af8e4ce3fb194116d1137f6b04e9426325128a","chapter":{"id":"II","title":"区域、像素与实例"},"unit":{"id":"roi-alignment-and-evidence","title":"区域采样怎样保住几何对应？"},"page":{"id":"roi-local-target-frame","title":"同一杯子换了区域，局部目标也要变","number":1},"sectionTitle":"同一只杯子换了 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则把输入 F 固定成完全相同，讨论任何确定性读出都无法创造差别。方法有效与构造例中的信息限制，可以同时成立。","sha256":"a75c59c916a80252869b500277c7120d64fcb5056b16b7893076a6f49e7c3632","chapter":{"id":"II","title":"区域、像素与实例"},"unit":{"id":"roi-alignment-and-evidence","title":"区域采样怎样保住几何对应？"},"page":{"id":"roi-alignment-paper-comparison","title":"在同一设置下比较 RoIPool、RoIWarp 与 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F 仍无法恢复：表示碰撞的推导](/course/blocks/representation-collision-proof.html)，再到 [LAB03 · 空间信息：表示、采样与掩码](/course/notebooks/49a2c030eafa4e1db6fc4f1a08c3810a.html)，用一维读数和差分通道改变条件。","sha256":"50177d63e411d3e58553d7d266c6c7aa4db901ec7404aeb2df04d4279b19a9b5","chapter":{"id":"II","title":"区域、像素与实例"},"unit":{"id":"roi-alignment-and-evidence","title":"区域采样怎样保住几何对应？"},"page":{"id":"roi-alignment-paper-comparison","title":"在同一设置下比较 RoIPool、RoIWarp 与 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把对齐收益与信息限制放回各自条件","sha256":"eb532b3c5d4f75a628a2097bd4c044eb9b61f0a717ab4c3fae9f4a2659ea9cb8","chapter":{"id":"II","title":"区域、像素与实例"},"unit":{"id":"spatial-information-preservation","title":"瓶颈是读错位置，还是差别根本没有保留？"},"page":{"id":"representation-reading-diagnosis","title":"把对齐收益与信息限制放回各自条件","number":3},"sectionTitle":"把对齐收益与信息限制放回各自条件","currentQuestion":"怎样把信息碰撞的构造例与区域对齐的正面证据放在同一判断中？","sourceSlides":["l3-r2-p43","l3-r2-p44","l3-r2-p45"],"knowledgeBlock":null,"formulas":[],"previousBlock":null,"nextBlock":"b-56da25bdf263025cefd10e43","prerequisites":[{"id":"b-56da25bdf263025cefd10e43","url":"#b-56da25bdf263025cefd10e43","role":"problem-context"}],"relatedBlocks":[]},{"id":"b-56da25bdf263025cefd10e43","type":"p","scope":"representation-reading-diagnosis","url":"https://codingai-lec03.pages.dev/course/pages/l3-r2-p43.html#b-56da25bdf263025cefd10e43","content":"这段模拟追问帮助核对两类实验的固定条件，不作为已发生课堂对话。","sha256":"b7f189442e3d137d26b346d7ec813cc0669a6c6938636af2ce91b91164568df1","chapter":{"id":"II","title":"区域、像素与实例"},"unit":{"id":"spatial-information-preservation","title":"瓶颈是读错位置，还是差别根本没有保留？"},"page":{"id":"representation-reading-diagnosis","title":"把对齐收益与信息限制放回各自条件","number":3},"sectionTitle":"把对齐收益与信息限制放回各自条件","currentQuestion":"怎样把信息碰撞的构造例与区域对齐的正面证据放在同一判断中？","sourceSlides":["l3-r2-p43","l3-r2-p44","l3-r2-p45"],"knowledgeBlock":null,"formulas":[],"previousBlock":"b-ffb14c5383d16947cd3d389a","nextBlock":"b-1063ef03b7576395bbcde212","prerequisites":[{"id":"b-ffb14c5383d16947cd3d389a","url":"#b-ffb14c5383d16947cd3d389a","role":"section-title"}],"relatedBlocks":[]},{"id":"b-1063ef03b7576395bbcde212","type":"h3","scope":"roi-information-dialogue","url":"https://codingai-lec03.pages.dev/course/pages/l3-r2-p43.html#b-1063ef03b7576395bbcde212","content":"### 备课推演：对齐有用，为什么问卷里又不能恢复？","sha256":"5f302b801240bbed114e210e77627b73f44a32151f366ad74ddfdcae7da68f5e","chapter":{"id":"II","title":"区域、像素与实例"},"unit":{"id":"spatial-information-preservation","title":"瓶颈是读错位置，还是差别根本没有保留？"},"page":{"id":"representation-reading-diagnosis","title":"把对齐收益与信息限制放回各自条件","number":3},"sectionTitle":"备课推演：对齐有用，为什么问卷里又不能恢复？","currentQuestion":"怎样把信息碰撞的构造例与区域对齐的正面证据放在同一判断中？","sourceSlides":["l3-r2-p43","l3-r2-p44","l3-r2-p45"],"knowledgeBlock":"roi-information-dialogue","formulas":[],"previousBlock":"b-56da25bdf263025cefd10e43","nextBlock":"b-95e43c7557dfcf422e6fcbf9","prerequisites":[{"id":"b-ffb14c5383d16947cd3d389a","url":"#b-ffb14c5383d16947cd3d389a","role":"section-title"},{"id":"b-56da25bdf263025cefd10e43","url":"#b-56da25bdf263025cefd10e43","role":"problem-context"}],"relatedBlocks":[{"id":"b-95e43c7557dfcf422e6fcbf9","url":"#b-95e43c7557dfcf422e6fcbf9","relation":"same-reasoning"},{"id":"b-5af552ba1fa8bac483fd7753","url":"#b-5af552ba1fa8bac483fd7753","relation":"same-reasoning"},{"id":"b-f1efdd89892627f85faf15ba","url":"#b-f1efdd89892627f85faf15ba","relation":"same-reasoning"},{"id":"b-88662e0474b7c05b7cfa032a","url":"#b-88662e0474b7c05b7cfa032a","relation":"same-reasoning"},{"id":"b-790ae39ae805b5f8fa1bc57a","url":"#b-790ae39ae805b5f8fa1bc57a","relation":"same-reasoning"},{"id":"b-e2a3a58b9bee8ca4d0794b91","url":"#b-e2a3a58b9bee8ca4d0794b91","relation":"same-reasoning"},{"id":"b-899d787d4d3eef85c1e5db5e","url":"#b-899d787d4d3eef85c1e5db5e","relation":"same-reasoning"}]},{"id":"b-95e43c7557dfcf422e6fcbf9","type":"p","scope":"roi-information-dialogue","url":"https://codingai-lec03.pages.dev/course/pages/l3-r2-p43.html#b-95e43c7557dfcf422e6fcbf9","content":"以下是备课用的模拟追问，不是已发生的课堂对话或学习效果记录。","sha256":"34391c7353cd0dc7b5aabaaf1cf7152abb3c8a4a23569a9796d889c7b4be3b1f","chapter":{"id":"II","title":"区域、像素与实例"},"unit":{"id":"spatial-information-preservation","title":"瓶颈是读错位置，还是差别根本没有保留？"},"page":{"id":"representation-reading-diagnosis","title":"把对齐收益与信息限制放回各自条件","number":3},"sectionTitle":"备课推演：对齐有用，为什么问卷里又不能恢复？","currentQuestion":"怎样把信息碰撞的构造例与区域对齐的正面证据放在同一判断中？","sourceSlides":["l3-r2-p43","l3-r2-p44","l3-r2-p45"],"knowledgeBlock":"roi-information-dialogue","formulas":[],"previousBlock":"b-1063ef03b7576395bbcde212","nextBlock":"b-5af552ba1fa8bac483fd7753","prerequisites":[{"id":"b-1063ef03b7576395bbcde212","url":"#b-1063ef03b7576395bbcde212","role":"section-title"},{"id":"b-56da25bdf263025cefd10e43","url":"#b-56da25bdf263025cefd10e43","role":"problem-context"}],"relatedBlocks":[{"id":"b-1063ef03b7576395bbcde212","url":"#b-1063ef03b7576395bbcde212","relation":"same-reasoning"},{"id":"b-5af552ba1fa8bac483fd7753","url":"#b-5af552ba1fa8bac483fd7753","relation":"same-reasoning"},{"id":"b-f1efdd89892627f85faf15ba","url":"#b-f1efdd89892627f85faf15ba","relation":"same-reasoning"},{"id":"b-88662e0474b7c05b7cfa032a","url":"#b-88662e0474b7c05b7cfa032a","relation":"same-reasoning"},{"id":"b-790ae39ae805b5f8fa1bc57a","url":"#b-790ae39ae805b5f8fa1bc57a","relation":"same-reasoning"},{"id":"b-e2a3a58b9bee8ca4d0794b91","url":"#b-e2a3a58b9bee8ca4d0794b91","relation":"same-reasoning"},{"id":"b-899d787d4d3eef85c1e5db5e","url":"#b-899d787d4d3eef85c1e5db5e","relation":"same-reasoning"}]},{"id":"b-5af552ba1fa8bac483fd7753","type":"p","scope":"roi-information-dialogue","url":"https://codingai-lec03.pages.dev/course/pages/l3-r2-p43.html#b-5af552ba1fa8bac483fd7753","content":"**学生：** 论文说 RoIAlign 更准确，这里却说换采样没用，是不是自相矛盾？","sha256":"91da615abd9f11d79355bc8fe5654d1246f1d2ef6db22daa46bc247bda588c02","chapter":{"id":"II","title":"区域、像素与实例"},"unit":{"id":"spatial-information-preservation","title":"瓶颈是读错位置，还是差别根本没有保留？"},"page":{"id":"representation-reading-diagnosis","title":"把对齐收益与信息限制放回各自条件","number":3},"sectionTitle":"备课推演：对齐有用，为什么问卷里又不能恢复？","currentQuestion":"怎样把信息碰撞的构造例与区域对齐的正面证据放在同一判断中？","sourceSlides":["l3-r2-p43","l3-r2-p44","l3-r2-p45"],"knowledgeBlock":"roi-information-dialogue","formulas":[],"previousBlock":"b-95e43c7557dfcf422e6fcbf9","nextBlock":"b-f1efdd89892627f85faf15ba","prerequisites":[{"id":"b-1063ef03b7576395bbcde212","url":"#b-1063ef03b7576395bbcde212","role":"section-title"},{"id":"b-56da25bdf263025cefd10e43","url":"#b-56da25bdf263025cefd10e43","role":"problem-context"}],"relatedBlocks":[{"id":"b-1063ef03b7576395bbcde212","url":"#b-1063ef03b7576395bbcde212","relation":"same-reasoning"},{"id":"b-95e43c7557dfcf422e6fcbf9","url":"#b-95e43c7557dfcf422e6fcbf9","relation":"same-reasoning"},{"id":"b-f1efdd89892627f85faf15ba","url":"#b-f1efdd89892627f85faf15ba","relation":"same-reasoning"},{"id":"b-88662e0474b7c05b7cfa032a","url":"#b-88662e0474b7c05b7cfa032a","relation":"same-reasoning"},{"id":"b-790ae39ae805b5f8fa1bc57a","url":"#b-790ae39ae805b5f8fa1bc57a","relation":"same-reasoning"},{"id":"b-e2a3a58b9bee8ca4d0794b91","url":"#b-e2a3a58b9bee8ca4d0794b91","relation":"same-reasoning"},{"id":"b-899d787d4d3eef85c1e5db5e","url":"#b-899d787d4d3eef85c1e5db5e","relation":"same-reasoning"}]},{"id":"b-f1efdd89892627f85faf15ba","type":"p","scope":"roi-information-dialogue","url":"https://codingai-lec03.pages.dev/course/pages/l3-r2-p43.html#b-f1efdd89892627f85faf15ba","content":"**教师：** 先把两个输入条件指出来。论文比较不同区域读取方式训练的模型，特征里有可以利用的空间线索；正确坐标让它读得更好。现在图上甲乙都被我们规定为同一个 .5，框也相同，读取器没有得到任何左右差别。它不是读取错了地方，而是没有不同内容可读。","sha256":"b27d134d90acacfbb8892413111edb846c4f494c80826d510b8f1d49ce8ef265","chapter":{"id":"II","title":"区域、像素与实例"},"unit":{"id":"spatial-information-preservation","title":"瓶颈是读错位置，还是差别根本没有保留？"},"page":{"id":"representation-reading-diagnosis","title":"把对齐收益与信息限制放回各自条件","number":3},"sectionTitle":"备课推演：对齐有用，为什么问卷里又不能恢复？","currentQuestion":"怎样把信息碰撞的构造例与区域对齐的正面证据放在同一判断中？","sourceSlides":["l3-r2-p43","l3-r2-p44","l3-r2-p45"],"knowledgeBlock":"roi-information-dialogue","formulas":[],"previousBlock":"b-5af552ba1fa8bac483fd7753","nextBlock":"b-88662e0474b7c05b7cfa032a","prerequisites":[{"id":"b-1063ef03b7576395bbcde212","url":"#b-1063ef03b7576395bbcde212","role":"section-title"},{"id":"b-56da25bdf263025cefd10e43","url":"#b-56da25bdf263025cefd10e43","role":"problem-context"}],"relatedBlocks":[{"id":"b-1063ef03b7576395bbcde212","url":"#b-1063ef03b7576395bbcde212","relation":"same-reasoning"},{"id":"b-95e43c7557dfcf422e6fcbf9","url":"#b-95e43c7557dfcf422e6fcbf9","relation":"same-reasoning"},{"id":"b-5af552ba1fa8bac483fd7753","url":"#b-5af552ba1fa8bac483fd7753","relation":"same-reasoning"},{"id":"b-88662e0474b7c05b7cfa032a","url":"#b-88662e0474b7c05b7cfa032a","relation":"same-reasoning"},{"id":"b-790ae39ae805b5f8fa1bc57a","url":"#b-790ae39ae805b5f8fa1bc57a","relation":"same-reasoning"},{"id":"b-e2a3a58b9bee8ca4d0794b91","url":"#b-e2a3a58b9bee8ca4d0794b91","relation":"same-reasoning"},{"id":"b-899d787d4d3eef85c1e5db5e","url":"#b-899d787d4d3eef85c1e5db5e","relation":"same-reasoning"}]},{"id":"b-88662e0474b7c05b7cfa032a","type":"p","scope":"roi-information-dialogue","url":"https://codingai-lec03.pages.dev/course/pages/l3-r2-p43.html#b-88662e0474b7c05b7cfa032a","content":"**学生：** 那我先把 .5 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沿这个问题继续","sha256":"cf44fcc62782fb4f6bdc42c16c5187d57556a03cb7ce6065e7bd9c36d8e7d733","chapter":{"id":"II","title":"区域、像素与实例"},"unit":{"id":"spatial-information-preservation","title":"瓶颈是读错位置，还是差别根本没有保留？"},"page":{"id":"representation-reading-diagnosis","title":"把对齐收益与信息限制放回各自条件","number":3},"sectionTitle":"把对齐收益与信息限制放回各自条件","currentQuestion":"怎样把信息碰撞的构造例与区域对齐的正面证据放在同一判断中？","sourceSlides":["l3-r2-p43","l3-r2-p44","l3-r2-p45"],"knowledgeBlock":null,"formulas":[],"previousBlock":"b-899d787d4d3eef85c1e5db5e","nextBlock":"b-0284adfee2b48be7b034084c","prerequisites":[{"id":"b-1063ef03b7576395bbcde212","url":"#b-1063ef03b7576395bbcde212","role":"section-title"},{"id":"b-56da25bdf263025cefd10e43","url":"#b-56da25bdf263025cefd10e43","role":"problem-context"}],"relatedBlocks":[]},{"id":"b-0284adfee2b48be7b034084c","type":"p","scope":"practice","url":"https://codingai-lec03.pages.dev/course/pages/l3-r2-p43.html#b-0284adfee2b48be7b034084c","content":"先读本页解释与图，再到 LAB03 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