Ensure a clean, neat square field.
确保广场场持干净、整洁。
Low banks of earth in the field turn it into many square sections.
田里的地埂把这片农田分成了很多正方形小块。
An enhanced image is finally reconstructed from the target gradient field by least square fitting.
最后采用最小二乘拟合从目标梯度场重建出增强后的图像。
An enhanced image is finally reconstructed from the target gradient field by least square fitting.
最后采用最小二乘拟合从目标梯度场重建出增强后的图像。
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