[問題]請問要怎樣解決這錯誤訊息~

[taco74128 (孟小兔)]

載入灰階影像要再進行處理~卻出現以下錯誤
??? Error using ==> iptcheckinput
Function IMFILTER expected its second input, H,
to be one of these types:

  double

Instead its type was uint8.

Error in ==> imfilter>parse_inputs at 366
iptcheckinput(h,{'double'},{'nonsparse'},mfilename,'H',2);

Error in ==> imfilter at 131
[a,h,boundary,flags] = parse_inputs(varargin{:});

請問該怎麼解決呢?謝謝

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