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颜色应被忽略，还是应被保留？","sha256":"d55489f475aacd276adb01283ca109763e5dac1578047897d1d05652859239cd","chapter":{"id":"I","title":"学习信号与表示"},"unit":{"id":"i-view-objective","title":"视图关系怎样成为学习目标，又会牺牲什么？"},"page":{"id":"reading-opening","title":"颜色应被忽略，还是应被保留？","number":1},"sectionTitle":"颜色应被忽略，还是应被保留？","currentQuestion":"颜色应被忽略，还是应被保留？","sourceSlides":[],"knowledgeBlock":null,"formulas":[],"previousBlock":null,"nextBlock":"b-e7dacc3f3c7d126336938483","prerequisites":[{"id":"b-e7dacc3f3c7d126336938483","url":"#b-e7dacc3f3c7d126336938483","role":"problem-context"}],"relatedBlocks":[]},{"id":"b-e7dacc3f3c7d126336938483","type":"p","scope":"color-invariance-is-task-dependent","url":"https://codingai-lec03.pages.dev/course/blocks/color-invariance-is-task-dependent.html#b-e7dacc3f3c7d126336938483","content":"用颜色任务将“什么变化应被忽略”落到可观察干预，避免把增强强度当普遍优劣。","sha256":"9d03017c77c7e1ebbe226046d245d549bab12eae6700f3a78d0581af7893b7d5","chapter":{"id":"I","title":"学习信号与表示"},"unit":{"id":"i-view-objective","title":"视图关系怎样成为学习目标，又会牺牲什么？"},"page":{"id":"reading-opening","title":"颜色应被忽略，还是应被保留？","number":1},"sectionTitle":"颜色应被忽略，还是应被保留？","currentQuestion":"颜色应被忽略，还是应被保留？","sourceSlides":[],"knowledgeBlock":null,"formulas":[],"previousBlock":"b-8f559c08cbd49b20a188a423","nextBlock":"b-ac044f47981abe085b2435ea","prerequisites":[{"id":"b-8f559c08cbd49b20a188a423","url":"#b-8f559c08cbd49b20a188a423","role":"section-title"}],"relatedBlocks":[]},{"id":"b-ac044f47981abe085b2435ea","type":"p","scope":"color-invariance-is-task-dependent","url":"https://codingai-lec03.pages.dev/course/blocks/color-invariance-is-task-dependent.html#b-ac044f47981abe085b2435ea","content":"如果任务是识别杯子形状，轻微光照变化不应改变答案；如果任务是分拣红杯与蓝杯，颜色正是答案来源。增强的含义必须相对于任务判断。“颜色增强”也不是单一操作：亮度缩放可能保留红蓝关系，通道交换却直接改变它。","sha256":"5bd9da88fc0028f4a7365f9d7dffb82931a4e2b0c7d1f6954b412f3750415992","chapter":{"id":"I","title":"学习信号与表示"},"unit":{"id":"i-view-objective","title":"视图关系怎样成为学习目标，又会牺牲什么？"},"page":{"id":"reading-opening","title":"颜色应被忽略，还是应被保留？","number":1},"sectionTitle":"颜色应被忽略，还是应被保留？","currentQuestion":"颜色应被忽略，还是应被保留？","sourceSlides":[],"knowledgeBlock":null,"formulas":[],"previousBlock":"b-e7dacc3f3c7d126336938483","nextBlock":"b-9a018f57892d64b39a345f52","prerequisites":[{"id":"b-8f559c08cbd49b20a188a423","url":"#b-8f559c08cbd49b20a188a423","role":"section-title"},{"id":"b-e7dacc3f3c7d126336938483","url":"#b-e7dacc3f3c7d126336938483","role":"problem-context"}],"relatedBlocks":[]},{"id":"b-9a018f57892d64b39a345f52","type":"p","scope":"color-invariance-is-task-dependent","url":"https://codingai-lec03.pages.dev/course/blocks/color-invariance-is-task-dependent.html#b-9a018f57892d64b39a345f52","content":"受控比较应从同一图像出发，固定几何、背景、数据划分和训练预算，只改变预定的颜色操作。独立生成两张不同照片，再声称“只改了颜色”，会混入姿态、纹理和背景。","sha256":"0a4ed181b2290463e2a417effc5c869d358aa4cae99dd3af7e367d99428c908d","chapter":{"id":"I","title":"学习信号与表示"},"unit":{"id":"i-view-objective","title":"视图关系怎样成为学习目标，又会牺牲什么？"},"page":{"id":"reading-opening","title":"颜色应被忽略，还是应被保留？","number":1},"sectionTitle":"颜色应被忽略，还是应被保留？","currentQuestion":"颜色应被忽略，还是应被保留？","sourceSlides":[],"knowledgeBlock":null,"formulas":[],"previousBlock":"b-ac044f47981abe085b2435ea","nextBlock":"b-b2ea98283bfee4edf8461f7f","prerequisites":[{"id":"b-8f559c08cbd49b20a188a423","url":"#b-8f559c08cbd49b20a188a423","role":"section-title"},{"id":"b-e7dacc3f3c7d126336938483","url":"#b-e7dacc3f3c7d126336938483","role":"problem-context"}],"relatedBlocks":[]},{"id":"b-b2ea98283bfee4edf8461f7f","type":"p","scope":"color-invariance-is-task-dependent","url":"https://codingai-lec03.pages.dev/course/blocks/color-invariance-is-task-dependent.html#b-b2ea98283bfee4edf8461f7f","content":"对照读出时，分别测形状和颜色，而不只给一个总准确率。若形状更好、颜色变差，我们学到的是一种用途取舍；不能把后者掩盖成“更强的表示”。本页问卷可以先投判断，课后在LAB 06用真实训练检验。","sha256":"5d2e04d7eae976690cc9c11fd83f363a59c7ef1b60f429ac2bf7b95bd02d6046","chapter":{"id":"I","title":"学习信号与表示"},"unit":{"id":"i-view-objective","title":"视图关系怎样成为学习目标，又会牺牲什么？"},"page":{"id":"reading-opening","title":"颜色应被忽略，还是应被保留？","number":1},"sectionTitle":"颜色应被忽略，还是应被保留？","currentQuestion":"颜色应被忽略，还是应被保留？","sourceSlides":[],"knowledgeBlock":null,"formulas":[],"previousBlock":"b-9a018f57892d64b39a345f52","nextBlock":"b-b26c648fe125035f82485b66","prerequisites":[{"id":"b-8f559c08cbd49b20a188a423","url":"#b-8f559c08cbd49b20a188a423","role":"section-title"},{"id":"b-e7dacc3f3c7d126336938483","url":"#b-e7dacc3f3c7d126336938483","role":"problem-context"}],"relatedBlocks":[]},{"id":"b-b26c648fe125035f82485b66","type":"h2","scope":"color-invariance-is-task-dependent","url":"https://codingai-lec03.pages.dev/course/blocks/color-invariance-is-task-dependent.html#b-b26c648fe125035f82485b66","content":"## 继续阅读与实验","sha256":"2b9ccef7e1220e2250cceff1abd8bdd736b42f8da5a223f26b029f44b962e807","chapter":{"id":"I","title":"学习信号与表示"},"unit":{"id":"i-view-objective","title":"视图关系怎样成为学习目标，又会牺牲什么？"},"page":{"id":"reading-opening","title":"颜色应被忽略，还是应被保留？","number":1},"sectionTitle":"颜色应被忽略，还是应被保留？","currentQuestion":"颜色应被忽略，还是应被保留？","sourceSlides":[],"knowledgeBlock":null,"formulas":[],"previousBlock":"b-b2ea98283bfee4edf8461f7f","nextBlock":null,"prerequisites":[{"id":"b-8f559c08cbd49b20a188a423","url":"#b-8f559c08cbd49b20a188a423","role":"section-title"},{"id":"b-e7dacc3f3c7d126336938483","url":"#b-e7dacc3f3c7d126336938483","role":"problem-context"}],"relatedBlocks":[]}]}