Timmy Welch
fb3adaa0a1
Update pre-commit
2024-08-04 17:22:06 -07:00
Timmy Welch
aa1fe89e96
Performance
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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
53bce1cdc2
Add testing system
2024-05-01 17:59:11 -07:00
Timmy Welch
1ca06a1968
Make compliant with python imagehash
2024-04-05 17:29:30 -06:00
Donghee Na
d8115886f3
gh-63: Return error if other is nil ( #64 )
2024-01-21 22:47:06 +09:00
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
Petrichor
464cef2de9
fix: typo in README.md ( #58 )
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Declare two undeclared variables
2022-10-09 20:42:03 +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
Dong-hee Na
4662ac9320
github: Update CIs ( #55 )
2022-05-26 22:58:40 +09:00
Dong-hee Na
9b83979be0
README: Release v1.1.0
2022-05-26 18:38:43 +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
3dc330e270
github: Fix github action ( #46 )
2020-12-28 02:35:04 +09:00
Dong-hee Na
b94d000de0
github: Create FUNDING.yml
2020-12-26 19:21:45 +09:00
Dong-hee Na
5e074e7151
goimagehash: Update README.md ( #44 )
2020-10-03 15:33:01 +09:00
Dong-hee Na
bcad56853e
.github: Add go 1.14.x ( #43 )
2020-09-30 22:43:22 +09:00
Dong-hee Na
3496d08ef7
github: Add latest version ( #40 )
2020-02-11 11:19:25 +09:00
Rafael Cossovan
c9ea1a6596
Update dependencies from go module and dep tool. ( #36 )
2019-12-07 23:29:03 +09:00
Dong-hee Na
daf77da1c6
Update github action to use gomodule ( #39 )
2019-12-07 10:50:05 +09:00
Dong-hee Na
cd85f5fb0f
README: Update
2019-12-06 15:48:16 +09:00
Dong-hee Na
3a999480e9
gh-37: Add workflow file for Github Action ( #38 )
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* Setting up Github Action
* remove Travis CI
* Update README.md
2019-12-06 15:36:49 +09:00
Eric Levine
8be960c20e
Fix typo on the GoDoc for LoadImageHash. ( #35 )
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The GoDoc incorrectly specified that the LoadImageHash function produces an ExtImageHash. This function produces an ImageHash, so this corrects the typo.
2019-11-26 14:07:35 +09:00
Berkant Ipek
9343c64188
Add go.mod. ( #34 )
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* Add go.mod.
* Remove `go` directive in go.mod.
2019-11-22 06:34:50 +09:00
Dong-hee Na
0069c5147b
.travis.yml: Update .travis.yml ( #33 )
2019-10-01 00:29:20 +09:00
dirtsea
32a1fdcbe8
Fix typo in README.md ( #32 )
2019-09-08 01:03:41 +09:00
Dong-hee Na
6392b0bac9
all: Add more test ( #30 )
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* hashcompute_test: Add benchmark
* all: Add more test
2019-03-19 23:10:52 +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
c61f6c69fb
.travis.yml: Update travis
2019-03-19 00:06:41 +09:00
Dong-hee Na
138a26ae46
README.md: Update README.md
2019-03-19 00:06:12 +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
0876a2adc2
dct: Process dct algorithm in multiple goroutine ( #26 )
2019-03-18 21:09:40 +09:00
Dong-hee Na
47321c08d3
imagehash: Create a new API Bits() ( #25 )
2019-03-17 15:42:07 +09:00
Dong-hee Na
84eb1859d0
imagehash: Add new serialization API dump/load. ( #24 )
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Create a new APIs for serializing purpose which can use
standard io.Reader/io.Writer APIs.
ToString() API will be remain for debugging purpose and
ExtImageHashFromString, ImageHashFromString will be removed after next
version.
- New APIs are added: LoadExtImageHash, LoadImageHash, xxxHash.Dump
- These APIs are deprecated: ExtImageHashFromString, ImageHashFromString
2019-03-17 11:34:56 +09:00
Dong-hee Na
7558e00b90
README.md: Update
2019-03-16 23:23:56 +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
5f00903fec
README.md: Update README.md
2019-03-16 01:01:25 +09:00
Dong-hee Na
bafc8a21c3
readme: Update readme.md
2019-03-16 00:54:05 +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
81672d7016
.travis.yml: Update Go 1.11
2018-10-01 17:34:07 +09:00
Dong-hee Na
d41c941ded
transforms: Fix the logic which getting a size of image
2018-08-19 16:35:17 +09:00
Dong-hee Na
9435cae35d
Update README.md
2018-05-12 00:53:41 +09:00
Dong-hee Na
6995fa9b0c
goimagehash: Add test
2018-05-10 11:54:51 +09:00
Dong-hee Na
e588da1f67
goimagehash: Update README.md
2018-05-09 09:37:49 +09:00
Dong-hee Na
1903317145
goimagehash: Fix quickselect algorithm to pick median value.
2018-05-08 13:33:43 +09:00
Dominik Honnef
ad2b6ded3b
Use bits.OnesCount64 when available
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Benchmark on i7-2600k, which has the POPCNT instruction:
name old time/op new time/op delta
DistanceIdentical-8 5.08ns ± 0% 1.01ns ± 1% -80.07% (p=0.008 n=5+5)
DistanceDifferent-8 81.5ns ± 2% 1.0ns ± 0% -98.76% (p=0.016 n=5+4)
Benchmark on Cavium Octeon, a MIPS64 platform with no dedicated
instruction:
name old time/op new time/op delta
DistanceIdentical-2 120ns ± 6% 144ns ± 5% +19.93% (p=0.008 n=5+5)
DistanceDifferent-2 656ns ± 4% 144ns ± 4% -78.09% (p=0.008 n=5+5)
2018-05-02 23:52:38 +09:00
Dong-hee Na
7f23d56ee5
goimagehash: Add badge
2018-04-01 16:55:03 +09:00
