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保留相对位置；把结果拼接后，原区域有多大都能得到固定长度。这里统一的是接口，不是抹掉区域之间的差异。","sha256":"b2184d704b577a9d5526c3d69abf339e4751bf9bc567a3ee87c026502f2df480","chapter":{"id":"II","title":"区域、像素与实例"},"unit":{"id":"region-computation-reuse","title":"多个区域怎样复用同一份视觉计算？"},"page":{"id":"reading-opening","title":"同样是 2×2 输出，读到的内容可以不同","number":1},"sectionTitle":"同样是 2×2 输出，读到的内容可以不同","currentQuestion":"同样是 2×2 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也可以组合多种分格尺度；1×1 · 2×2 · 3×3（分格示意）\n\n两份 RoI 的四格最大值可以直接从同一矩阵复核。 查看对应图解状态\n\n- 不同大小的 RoI · 每格取最大值\n- 0\n- 1\n- 2\n- 0\n- 1\n- 2\n- 1\n- 0\n- 1\n- 2\n- 3\n- 1\n- 2\n- 4\n- 3\n- 1\n- 0\n- 2\n- 5\n- 2\n- 3\n- 5\n- 4\n- 2\n- 1\n- 3\n- 4\n- 1\n- 0\n- 2\n- 6\n- 1\n- 0\n- 1\n- 2\n- 0\n- 1\n- 3\n- 4\n- 2\n- 0\n- 0\n- 1\n- 0\n- 0\n- 1\n- 2\n- 0\n- 2\n- 1\n- 4\n- 3\n- 2\n- 5\n- 3\n- 4\n- 固定 2 × 2 布局\n- 各格汇总自身区域\n- 位置是相对的\n- 区域范围仍需保留\n- SPP-net 也可以组合多种分格尺度\n- 1×1 · 2×2 · 3×3（分格示意）两份 RoI 的四格最大值可以直接从同一矩阵复核。 [查看对应图解状态](/#/l3-r2-p30/0)[查看完整图解](/#/l3-r2-p30/0)","sha256":"584781355a524a9d51823a7303b3a2ae85638ad1713163c48cde7e1ced6814c8","chapter":{"id":"II","title":"区域、像素与实例"},"unit":{"id":"region-computation-reuse","title":"多个区域怎样复用同一份视觉计算？"},"page":{"id":"reading-opening","title":"同样是 2×2 输出，读到的内容可以不同","number":1},"sectionTitle":"同样是 2×2 输出，读到的内容可以不同","currentQuestion":"同样是 2×2 输出，读到的内容可以不同","sourceSlides":[],"knowledgeBlock":null,"formulas":[],"figure":{"caption":"两份 RoI 的四格最大值可以直接从同一矩阵复核。 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