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Jingning Han authored
When the variance is far less than sse, the block is considered to be under light change. All the energy is compacted into DC coeff and can be coded at low cost. In such situation, switch the rate- distortion modeling from sse+var based back to variance based. Note that this is a temporary solution to handle the rare situations where the scene light changes. Change-Id: I1ee0fe2b9eda6b5fac40152e1841bf23f4d229fd
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