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通过引入视差梯度理论，提出了一种弱连续性约束，它表示相邻点的视差变化总在一定的范围之内。
Based on disparity gradient theory, a weak consistency constraint was proposed, which expressed that the disparity difference between neighbor points was always in certain range.
试验表明，反q滤波对提高弱反射能量、提高分辨率和增强连续性都是有利的。
Experiments show that inverse Q filtering favours the improvement of weak reflections, resolution and lateral continuation.
最后，在恰当的假设条件下，获得了弱扰动映射的二阶邻接导数的上半连续和下半连续性。
Finally, under suitable assumptions, we obtain the upper semicontinuity and the lower semicontinuity of second-order adjacent derivatives for the weak perturbation maps.
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