Catimages - list of features

List of information provided by catimages:

Terminology:
    bbox = Bounding Box (tuple of 4 ints, normally x, y, width height)

Features:
	- Geometry
		- Lines
		- Circles
		- Corners
	- ColorAverage (data of whole image)
		- Gradient
		- FFT_Peaks
		- Peaks - Number of distinct (r,g,b) colors occuring more than 1% of maximum
		- RGB - average r, g, b
		- Color - Closest color's rgb value in Pantone
		- RGBRef - Closest color name in Pantone
	- ColorRegions (data of segments with JSEG)
		- Coverage
		- ID
		- Center
		- Position
		- Delta_R
		- Peaks - Number of distinct (r,g,b) colors occuring more than 1% of maximum
		- RGB - average r, g, b
		- Color - Closest color's rgb value in Pantone
		- RGBRef - Closest color name in Pantone
	- Faces
		- ID
		- Position - bbox
		- Type - "-" or 'Landmark' or 'Exif'
		- Eyes - (left-bbox, right-bbox)
		- Mouth - bbox
		- Nose - bbox
		- Ears - (left-bbox, right-bbox)
		- Pose -
		- Coverage - bbox
	- People
		- ID
		- Coverage
		- Position
	- OpticalCodes
		- ID
		- Data
		- Position
		- Type - DataMatrix of barcode
		- Quality
	- Chessboard
		- Corners
		- Rotation
		- Perp_Dir
		- Perp_Dir_2D
	- History
		- ID
		- Software
		- Timestamp
		- Action
		- Info
	- Text
		- Size
		- Lines
		- Images
		- Type
	- Streams
		- ID
		- Format
		- Rate
		- Dimensions (if video - ogv)
		- Duration
	- Audio
		- ESS EnvelopeShapeStatistics
		- SSS SpectralShapeStatistics
		- TSS TemporalShapeStatistics
		- ZCR
	- Classify - classification from VOC dataset
		'aeroplane', 'bicycle', 'bird', 'boat', 'bottle', 'bus', 'car', 'cat', 'chair', 'cow', 'diningtable', 'dog', 'horse', 'motorbike', 'person', 'pottedplant', 'sheep', 'sofa', 'train', 'tvmonitor'
	# From haarcascade learnt files
	- Legs
		- Position
		- Coverage
	- Hands
	- Torsos
	- Ears
	- Eyes
	- Automobiles


Metadata
	- Software (exif)
	- Desc (exif)
	- Comment (exif)
	- Producer (exif)
	- Misc
		- Output_extension (exif)
		- DescProducer (exif)
		- DescCreator (exif)

Properties:
	- Format
	- Mode
	- Palette
	- Length
	- Dimensions
	- Filesize
	- MIME

Categories:
	Category:Unidentified people - initiates processes by people who subcategorise them
	Category:Groups
	Category:Faces
	Category:Portraits
	Category:Barcode
	Category:Chessboards
	Category:Book
	Category:Animated GIF
	Category:Animated PNG
	Category:Animated SVG
	Category:Human ears
	Category:Human eyes
	Category:Ogg sound files
	Category:Videos
	Category:Graphics
	Category:MIDI files created with GNU LilyPond
	Category:Bitmap_from_Inkscape (png)
	Category:Created_with_Inkscape (svg)
	Category:Created_with_MATLAB (png)
	Category:Created_with_MATLAB (svg)
	Category:Created_with_PLOT2SVG (svg) [new]
	Category:Created_with_ImageMagick (jpg)
	Category:Created_with_Adobe_ImageReady (png)
	Category:Created_with_Adobe_Photoshop (jpg)
	Category:Created_with_Picasa (jpg)
	Category:Created_with_Qtpfsgui (jpg)
	Category:Created_with_Autopano (jpg)
	Category:Created_with_Xmgrace (png)
	Category:Created_with_darktable (jpg)
	Category:Created_with_easyHDR (jpg)
	Category:Created_with_GIMP (jpg) [new]
	Category:Created_with_R (svg)
	Category:Created_with_VectorFieldPlot (svg)
	Category:Created_with_Chemtool (svg)
	Category:Created_with_GNU_Octave (svg)
	Category:Created_with_GeoGebra (svg)
	Category:Created_with_Stella (png)
	Category:Created_with_PhotoStitch (jpg)
	Category:Created_with_Scribus (pdf)
	Category:Created_with_OpenOffice.org (pdf)
	Category:Created_with_Tux_Paint (pdf)
	Category:Created_with_Microsoft_Image_Composite_Editor (jpg)
	Category:Categorized by DrTrigonBot
	Category:BMP)
	(Category:PNG)
	(Category:JPEG)
	Category:TIFF files
	Category:PDF files
	Category:Human legs
	Category:Human torsos
	Category:Automobiles
	Category:Hands
	Category:Black
	Category:Blue
	Category:Brown
	Category:Green
	Category:Orange
	Category:Pink
	Category:Purple
	Category:Red
	Category:Turquoise
	Category:White
	Category:Yellow