cooperhewitt/palette-server — pull request #1 by micahwalter (2013-03-06 02:01:57+00:00)
Title: added code to calc shannon entropy

this calculates the shannon entropy for the image, and adds it to the json output like this

{
"average": {
"closest": "#a0522d",
"colour": "#866340"
},
"palette": [
{
"closest": "#cd853f",
"colour": "#a6845f"
},
{
"closest": "#deb887",
"colour": "#deb587"
},
{
"closest": "#556b2f",
"colour": "#775c43"
},
{
"closest": "#000000",
"colour": "#3c1a0b"
},
{
"closest": "#800000",
"colour": "#672309"
}
],
"reference-closest": "css3",
"shannon": 9.214914488876211,
"stat": "ok"
}