Timmy Welch
aa1fe89e96
Performance
...
Reduce allocations by re-using uint8 slices where possible
Use github.com/disintegration/imaging for resizing
Add a module option to skip RGB conversion for YCbCr images
2024-08-04 17:21:58 -07:00
Timmy Welch
cb5a8237c4
Update module path
2024-05-01 18:06:48 -07:00
Timmy Welch
1ca06a1968
Make compliant with python imagehash
2024-04-05 17:29:30 -06:00
Wu Tingfeng
d68e89bd8f
Increase test coverage to 96.6% ( #61 )
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* gitignore *.html for test coverage reports
* fix typos
* Increase hashcompute.go test coverage to 100 percent
* Add new Go versions. Upgrade GitHub Actions.
* Add tests for missing ext hashes
* Add test for hashing non-hexadecimal string
* Add tests for loading empty bytes buffer
* Run go fmt
* Fix comments
* Fix comments
* Fix spelling
* fix actions versions
* Upgrade to actions/setup-go@v4
* Add minimum Go version for go.mod
2023-05-03 23:52:14 +09:00
evanoberholster
571ae3865a
Performance improvement ( #56 )
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* Performance improvement
* Added support fpr DCT2DFast256
* Update hashcompute.go
Co-authored-by: Dong-hee Na <donghee.na92@gmail.com>
Co-authored-by: Evan Oberholster <eroberholster@gmail.com>
Co-authored-by: Dong-hee Na <donghee.na92@gmail.com>
2022-09-08 15:20:33 +09:00
evanoberholster
45da7a6fef
Refactored Perceptionhash for performance ( #54 )
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* 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 )
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* 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
3e058be50d
hashcompute: Update Extend API ( #28 )
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* hashcompute: Update Extend API
- AverageHashExtend -> ExtAverageHash
- PerceptionHashExtend -> ExtPerceptionHash
- DiffrenceHashExtend -> ExtDiffrenceHash
* imagehash: Update load api
2019-03-18 23:53:09 +09:00
Dong-hee Na
161b6f5676
hashcompute: Redesign XXXHashExtend API interface ( #27 )
2019-03-18 21:40:16 +09:00
Dong-hee Na
47321c08d3
imagehash: Create a new API Bits() ( #25 )
2019-03-17 15:42:07 +09:00
Dong-hee Na
20cafe6017
hashcompute: Fix 64bits unaligned size case ( #23 )
2019-03-16 23:15:32 +09:00
Dong-hee Na
58a4aa88ab
hashcompute: Fix bit set index ( #22 )
2019-03-16 17:22:57 +09:00
Dong-hee Na
5f56e8609c
DifferenceHashExtend: Implement DifferenceHashExtend ( #21 )
2019-03-16 00:47:57 +09:00
Dong-hee Na
b535580cae
AverageHashExtend: Implement AverageHashExtend and fix bugs ( #20 )
2019-03-16 00:26:38 +09:00
Alex
c41a59a872
add PerceptionHashExtend function ( #18 )
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goimagehash: Implement PerceptionHashExtend
2019-02-08 18:02:25 +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
