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Searched refs:variance (Results 1 – 4 of 4) sorted by relevance

/cts/libs/commonutil/src/com/android/cts/util/
DStatisticsUtilsTest.java77 double variance = StatisticsUtils.getVariance(values); in testGetVariance() local
78 assertEquals(2.5, variance, 0.00001); in testGetVariance()
81 variance = StatisticsUtils.getVariance(values); in testGetVariance()
82 assertEquals(2.5, variance, 0.00001); in testGetVariance()
85 variance = StatisticsUtils.getVariance(values); in testGetVariance()
86 assertEquals(10.0, variance, 0.00001); in testGetVariance()
/cts/apps/CameraITS/tests/scene1/
Dtest_param_noise_reduction.py91 variance = its.image.compute_image_variances(tile)[0]
92 variances[j].append(variance / ref_variance[j])
Dtest_reprocess_noise_reduction.py104 variance = its.image.compute_image_variances(tile)
106 [variance[chan] / ref_variance[chan] for chan in range(3)])
/cts/libs/deviceutil/src/android/cts/util/
DMediaUtils.java445 double variance = 0; in getStdev() local
447 variance += (data[i] - average) * (data[i] - average); in getStdev()
449 variance /= num; in getStdev()
450 return Math.sqrt(variance); in getStdev()