Dong-hee Na 14aa1e136f

dct: Improve DCT1D to O(nlogn) algorithm (#29) ...

* hashcompute_test: Add benchmark

* dct: Improve DCT1D to O(nlogn) algorithm

AS-IS:
BenchmarkPerceptionHash-8  500  2893930 ns/op  456698 B/op  4455 allocs/op

TO-BE:
BenchmarkPerceptionHash-8  2000  890306 ns/op  456382 B/op  4455 allocs/op

reference: DCT type II, unscaled. Algorithm by Byeong Gi Lee, 1984.

2019-03-19 13:52:44 +09:00

..

examples.go

dct: Improve DCT1D to O(nlogn) algorithm (#29)

2019-03-19 13:52:44 +09:00

load_and_dump.go

dct: Improve DCT1D to O(nlogn) algorithm (#29)

2019-03-19 13:52:44 +09:00

sample1.jpg

[goimagehash] First implement.

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sample2.jpg

[goimagehash] First implement.

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sample3.jpg

[goimagehash] First implement.

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sample4.jpg

[goimagehash] First implement.

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