annotate histogram/accumhist.m @ 61:eff6bddf82e3
tip
Finally implemented perceptual brightness thing.
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samer |
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Sun, 11 Oct 2015 10:20:42 +0100 |
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ce9021da6ce2 |
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samer@57
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1 function H=accumhist(I,W,D)
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2 % accumhist - Just like accumarray but filters out rows with nans or infs
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3 %
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4 % accumhist ::
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5 % [[N,E]->(natural|nan|inf|-inf)] ~'N rows of E-dim array indices',
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6 % ([[N]->real] | real) ~'the weights associated with each row',
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7 % D:[[E]->natural] ~'the size of the array to return'
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8 % -> [[D]].
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9 %
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10 % Note that unlike with accumarray and other Matlab builtins, the size
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11 % argument D can be a single element, eg [M], indicating that a vector
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12 % is desired. accumarry would require [M 1].
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13
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14 H = accumarray(I(all(isfinite(I),2),:),W,tosize(D));
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15
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