goimagehash

Author	SHA1	Message	Date
evanoberholster	45da7a6fef	Refactored Perceptionhash for performance (#54 ) * refactored Perceptionhash for performance * update AUTHORS.md * replaced PerceptionHash algorithm * Update hashcompute_test.go Co-authored-by: Dong-hee Na <donghee.na92@gmail.com> * Update hashcompute_test.go Co-authored-by: Evan Oberholster <eroberholster@gmail.com> Co-authored-by: Dong-hee Na <donghee.na92@gmail.com>	2022-05-26 15:56:47 +09:00
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
Dong-hee Na	0876a2adc2	dct: Process dct algorithm in multiple goroutine (#26 )	2019-03-18 21:09:40 +09:00
Dong-hee Na	2b9c664be8	Update docs.	2017-07-31 23:29:35 +09:00
Dong-hee Na	7aba8954cd	[goimagehash] First implement.	2017-07-31 22:47:14 +09:00