Yolo v1 paper review Output → 7 x 7 x 30인 이유는 $$ grid * grid * {(x,y,w,h ,c)* bbox_{candidate} + class_{size}} $$ Localization Loss $$ \lambda_{coord} \sum_{i=0}^{S^2}\sum_{j=0}^{B} \mathbb{1}_{ij}^{obj}[(x_i - \hat{x}_i )^2 + (y_i - \hat{y_i})^2] \ \qquad \qquad \qquad \lambda_{coord} \sum_{i=0}^{S^2} \sum_{j=0}^{B}\mathbb{1}_{ij}^{obj}[(\sqrt w_i- \sqrt {\hat{w_i}})^2 + (\sqrt h_i - \sqrt {\ha..