'metadata' => 'Metadata',
# Exif tags
-'exif-imagewidth' =>'Image width',
-'exif-imagelength' =>'Image height',
-'exif-bitspersample' =>'Number of bits per component',
+'exif-imagewidth' =>'Width',
+'exif-imagelength' =>'Height',
+'exif-bitspersample' =>'Bits per component',
'exif-compression' =>'Compression scheme',
'exif-photometricinterpretation' =>'Pixel composition',
-'exif-orientation' =>'Orientation of image',
+'exif-orientation' =>'Orientation',
'exif-samplesperpixel' =>'Number of components',
-'exif-planarconfiguration' =>'Image data arrangement',
+'exif-planarconfiguration' =>'Data arrangement',
'exif-ycbcrsubsampling' =>'Subsampling ratio of Y to C',
'exif-ycbcrpositioning' =>'Y and C positioning',
'exif-xresolution' =>'Image resolution in width direction',
'exif-referenceblackwhite' =>'Pair of black and white reference values',
'exif-datetime' =>'File change date and time',
'exif-imagedescription' =>'Image title',
-'exif-make' =>'Image input equipment manufacturer',
-'exif-model' =>'Image input equipment model',
+'exif-make' =>'Camera manufacturer',
+'exif-model' =>'Camera model',
'exif-software' =>'Software used',
-'exif-artist' =>'Person who created the image',
+'exif-artist' =>'Author',
'exif-copyright' =>'Copyright holder',
'exif-exifversion' =>'Exif version',
'exif-flashpixversion' =>'Supported Flashpix version',
-'exif-colorspace' =>'Color space information',
+'exif-colorspace' =>'Color space',
'exif-componentsconfiguration' =>'Meaning of each component',
'exif-compressedbitsperpixel' =>'Image compression mode',
'exif-pixelydimension' =>'Valid image width',
'exif-photometricinterpretation-1' => 'RGB',
'exif-photometricinterpretation-6' => 'YCbCr',
-'exif-orientation-1' => 'Normal',
-'exif-orientation-2' => 'Mirrored',
-'exif-orientation-3' => 'Mirrored & flipped', // may be wrong
-'exif-orientation-4' => 'Flipped', // may be wrong
-'exif-orientation-5' => '',
-'exif-orientation-6' => '',
-'exif-orientation-7' => '',
-'exif-orientation-8' => '',
+'exif-orientation-1' => 'Normal', // 0th row: top; 0th column: left
+'exif-orientation-2' => 'Flipped horizontally', // 0th row: top; 0th column: right
+'exif-orientation-3' => 'Rotated 180°', // 0th row: bottom; 0th column: right
+'exif-orientation-4' => 'Flipped vertically', // 0th row: bottom; 0th column: left
+'exif-orientation-5' => 'Rotated 90° CCW and flipped vertically', // 0th row: left; 0th column: top
+'exif-orientation-6' => 'Roatated 90° CW', // 0th row: right; 0th column: top
+'exif-orientation-7' => 'Roateted 90° CW and flipped vertically', // 0th row: right; 0th column: bottom
+'exif-orientation-8' => 'Rotated 90° CCW', // 0th row: left; 0th column: bottom
'exif-planarconfiguration-1' => 'chunky format',
'exif-planarconfiguration-2' => 'planar format',