Object Detection · YOLO

YOLO Grid

Drag the cat — the grid cell holding its centre becomes responsible for predicting the box.

grid 5×5

cell (row,col)

2, 3

confidence

0.94

center x,y in cell

0.5, 0.5

box w,h ÷ image

0.30, 0.28

class probability

cat · 0.90

tip: only the cell containing the centre dot predicts the object

yolo.py