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| author | Vladimir S. FONOV <vladimir.fonov@gmail.com> | 2017-03-23 05:14:12 +0300 |
|---|---|---|
| committer | Soumith Chintala <soumith@gmail.com> | 2017-03-23 05:14:12 +0300 |
| commit | 705393fabf51581b98142c9223c5aee6b62bb131 (patch) | |
| tree | fd00058595869bf7bd5d67d88d3db0a343e7c95c /test | |
| parent | fc214c0292f014d71312b1bbb3c54a75e0cda3b6 (diff) | |
Added code to compress tensor into PNG in-memory similar to compressJPG, also added a test (#211)
Diffstat (limited to 'test')
| -rw-r--r-- | test/test.lua | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/test/test.lua b/test/test.lua index 0a25cd9..839900a 100644 --- a/test/test.lua +++ b/test/test.lua @@ -410,8 +410,21 @@ function test.CompressAndDecompress() img_compressed = image.compressJPG(img, quality) local size_25 = img_compressed:size(1) tester:assertlt(size_25, size_100, 'compressJPG quality setting error! ') + end +function test.CompressAndDecompressPNG() + local img = image.lena() + + local img_compressed_png = image.compressPNG(img) + local size_png = img_compressed_png:size(1) + local img_decompressed_png = image.decompressPNG(img_compressed_png) + local err_png = img_decompressed_png - img + local mean_err_png = err_png:mean() + local std_err_png = err_png:std() + tester:assertlt(mean_err_png, precision_mean, 'compressPNG error is too high! ') + tester:assertlt(std_err_png, precision_std, 'compressPNG error is too high! ') +end ---------------------------------------------------------------------- -- Lab conversion test -- These tests break if someone removes lena from the repo |