Add nontrivial Focus Score implementation for Image Qaulity #652

Job	Run time
Build wheels on ubuntu-20.04	12m 51s
Build wheels on macos-13-xlarge	13m 2s
Build wheels on ubuntu-20.04	12m 24s
Build wheels on macos-13-xlarge	12m 43s
Build wheels on ubuntu-20.04	12m 31s
Build wheels on macos-13-xlarge	12m 44s
Build wheels on ubuntu-20.04	12m 22s
Build wheels on ubuntu-20.04	12m 41s
Build wheels on macos-13-xlarge	12m 32s
Build wheels on macos-12	38m 27s
Build wheels on macos-12	37m 40s
Build wheels on macos-12	35m 6s
Build wheels on macos-12	35m 40s
Build wheels on macos-12	34m 25s
Build wheels on windows-latest	46m 36s
Build wheels on windows-latest	50m 4s
Build wheels on windows-latest	46m 27s
Build wheels on windows-latest	49m 53s
Build wheels on windows-latest	47m 59s
	8h 56m 7s

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