PhotoHawk - MSE

Created: 2014-02-05 23:09:03

This workflow provides a comparison result for 2 raw images based on PhotoHawk tool (http://datascience.github.io/photohawk/). The result is measured using MSE metric (http://purl.org/DP/quality/measures#6).

Option 1:

Authors (1)

Titles (1)

Descriptions (1)

Dependencies (0)

Inputs (4)

Name	Description
directory_source	A directory which contains source raw images
directory_migrated	A directory which contains migrated raw images
postfix_migrated	A postfix used to identify migrated raw images. Could be empty. Usually ends with migrated file format extension. [prefix]filename[postfix]
prefix_migrated	A prefix used to identify migrated raw images. Could be empty. [prefix]filename[postfix]

Processors (3)

Name	Type	Description
Read_Files	workflow	Produces lists of source and migrated raw image files.
FileToImage	workflow	Produces source and migrated images as byte arrays from specified filepaths using dcraw
StructureSimilarityMetric	workflow	SSIM metric calculation

Beanshells (6)

Name	Description	Inputs	Outputs
sort	Sorts filepaths	list	sortedList
checkMigratedFiles	Checks existence of migrated raw images according to a directory, a prefix and a postfix specified	targetDirPath sourceFilePath postfix prefix	targetPath
profileStart			startTimestamp
profileEnd		startTimestamp	runtime
profileStart			startTimestamp
profileEnd		startTimestamp	runtime

Outputs (9)

Name	Description
MSE	MSE metric
MSE_Channels	MSE metric for each color channel
MSE_ChannelNames	A list of channel names for which MSE is calculated
std_err_source	An error description that may occur during a source raw image read
std_err_migrated	An error description that may occur during a migrated raw image read
paths_source	A list of paths to source raw images
paths_migrated	A list of paths to migrated raw images
MSE_runtime	Runtime stats for MSE calculation
toImage_runtime	Runtime stats for byte array representation of an image

Datalinks (17)

Source	Sink
prefix_migrated	Read_Files:PrefixMigrated
directory_source	Read_Files:DirectorySource
directory_migrated	Read_Files:DirectoryMigrated
postfix_migrated	Read_Files:PostfixMigrated
Read_Files:PathsSource	FileToImage:PathSource
Read_Files:PathsMigrated	FileToImage:PathMigrated
FileToImage:ImageMigrated	StructureSimilarityMetric:ImageMigrated
FileToImage:ImageSource	StructureSimilarityMetric:ImageSource
StructureSimilarityMetric:MSE	MSE
StructureSimilarityMetric:MSE_Channels	MSE_Channels
StructureSimilarityMetric:MSE_ChannelNames	MSE_ChannelNames
FileToImage:StdErrSource	std_err_source
FileToImage:StdErrMigrated	std_err_migrated
Read_Files:PathsSource	paths_source
Read_Files:PathsMigrated	paths_migrated
StructureSimilarityMetric:MSE_runtime	MSE_runtime
FileToImage:ToImageRuntime	toImage_runtime