回答編集履歴
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結果例を追記
test
CHANGED
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@@ -123,3 +123,149 @@
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# 略
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```
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[lena.png](https://upload.wikimedia.org/wikipedia/en/2/24/Lenna.png)での実行結果例。
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```
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pixels [[ 157. 153. 168. ..., 122. 129. 99.]
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135
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[ 156. 159. 167. ..., 133. 91. 44.]
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[ 161. 164. 163. ..., 89. 45. 51.]
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...,
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[ 91. 137. 146. ..., 86. 96. 79.]
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143
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[ 108. 145. 150. ..., 85. 100. 69.]
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145
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[ 73. 164. 159. ..., 99. 90. 59.]]
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146
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147
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(32, 32)
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149
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dct0 [[ 6.32800000e+03 7.07200000e+03 1.05940000e+04 ..., 8.60200000e+03
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150
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151
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8.56400000e+03 8.32000000e+03]
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[ 7.98016665e+02 2.62511492e+02 1.96280228e+02 ..., -7.56732747e+02
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-4.41547133e+02 -1.57118303e+02]
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156
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157
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[ 6.46097040e+02 8.18776417e+02 -2.63514617e+02 ..., -1.50400070e+03
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158
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159
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-1.65134257e+03 -1.87834848e+03]
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160
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161
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...,
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[ -2.36991803e+01 9.79124296e-01 6.18355143e+00 ..., -2.66121620e+00
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4.29854489e+00 -6.24873463e+01]
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[ 6.24966135e+01 2.26717368e+00 -1.16876665e+01 ..., -3.47209442e+00
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168
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-3.82978202e+01 1.13660396e+02]
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[ -3.70468280e+01 -1.07048481e+00 3.02842970e+00 ..., 1.94634067e+01
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3.25523913e+00 -1.07515692e+02]]
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(32, 32)
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dct [[ 5.06036000e+05 -2.94304398e+04 -6.81773745e+03 ..., -3.30672277e+03
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-7.48904307e+02 -1.86993620e+03]
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[ 1.98802074e+04 1.53921290e+04 -1.32546329e+04 ..., 2.80471722e+02
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8.32317252e+02 2.72208429e+02]
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[ -4.93959257e+02 6.38192837e+03 -1.18131952e+04 ..., 8.25563260e+01
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-1.49816934e+03 -4.18435435e+00]
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...,
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[ -3.43617926e+02 6.39597213e+01 -2.22653656e+01 ..., 2.05208094e+02
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2.23489435e+02 -1.42433561e+02]
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[ 6.91319107e+02 -2.55544837e+02 -2.31524406e+02 ..., -3.35882969e+02
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6.33748893e+02 -1.63967256e+02]
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[ -4.09150007e+02 1.87268370e+02 -9.60016979e+01 ..., -2.54835022e+02
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3.54280412e+02 -8.90047699e+02]]
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(32, 32)
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dctlowfreq [[ 5.06036000e+05 -2.94304398e+04 -6.81773745e+03 2.80701261e+04
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2.38838080e+04 -1.28880165e+04 -3.51294509e+03 1.15306260e+04]
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[ 1.98802074e+04 1.53921290e+04 -1.32546329e+04 -4.99924707e+03
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-4.94272573e+03 6.32557553e+03 2.62219370e+03 -4.56258784e+03]
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[ -4.93959257e+02 6.38192837e+03 -1.18131952e+04 1.62273412e+04
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-1.12535016e+04 2.03382925e+04 7.74449276e+02 -2.37259333e+03]
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[ -4.89206193e+03 -3.59678046e+03 1.53594984e+04 -1.14005239e+04
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2.36889938e+03 6.87236303e+03 -1.37074421e+04 6.09362931e+03]
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[ -7.10556545e+03 4.24761315e+03 4.28739884e+03 4.78750339e+03
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-4.87325605e+02 2.75701535e+03 -1.04804645e+03 2.59382161e+03]
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[ -8.83807448e+02 -1.23385051e+03 1.02040065e+04 1.05757043e+03
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-8.93986061e+03 -2.86076349e+03 7.12062401e+03 1.09866683e+04]
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[ 8.03531745e+03 -4.14851498e+03 5.08046787e+03 -4.43660697e+03
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-2.94851358e+03 1.65221080e+02 7.82385862e+03 -7.46364918e+03]
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[ 1.01303000e+04 -5.23021293e+03 -3.17246145e+03 4.61738896e+03
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-8.23560153e+02 2.55903708e+03 2.70463560e+03 -6.10959429e+03]]
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(8, 8)
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med 469.835177852
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dif [[ True False False True True False False True]
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[ True True False False False True True False]
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[False True False True False True True False]
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[False False True False True True False True]
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[False True True True False True False True]
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[False False True True False False True True]
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[ True False True False False False True False]
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[ True False False True False True True False]]
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(8, 8)
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[ True False False True True False False True True True False False
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False True True False False True False True False True True False
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False False True False True True False True False True True True
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False True False True False False True True False False True True
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True False True False False False True False True False False True
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False True True False]
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```
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