您要查找的是不是：
- DI直方图DI table
- 直方图column diagram
- 直方图均衡化histogram equalization
- 差分直方图histogram of difference
- 圆形直方图circular histogram
- 径向直方图radial histogram
- 速度直方图velocity histogram
- 正态直方图normal histogram
- 直方图规范histogram specification
- 直方图修改histogram modification
- 偏态直方图skewed histogram
- 频数直方图frequency histogram
- 空间直方图spatial histogram
- 故障直方图failure histogram
- 图像直方图image histogram
- 间隔直方图interval histogram
- 直方图门限化histogram thresholding
- 直方图平坦化histogram equalization
- 直方图线性化histogram linearization
- 直方图仪histogramer
