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(***********************************************************************)
(* *)
(* Objective Caml *)
(* *)
(* Jun Furuse, projet Cristal, INRIA Rocquencourt *)
(* *)
(* Copyright 1999,2000,2001,2002,2001,2002 *)
(* Institut National de Recherche en Informatique et en Automatique. *)
(* Distributed only by permission. *)
(* *)
(***********************************************************************)
open Image
open OImage
open Info
let _ =
let files = ref [] in
Arg.parse [] (fun s -> files := s :: !files) "normalize src dst";
let src, dst =
match List.rev !files with
| [src; dst] -> src, dst
| _ -> assert false in
let src = OImage.rgb24 (OImage.load src []) in
let normalize img =
(* Make monochrome *)
let hist = Colorhist.create () in
for x = 0 to src#width - 1 do
for y = 0 to src#height - 1 do
Colorhist.store_sample hist (src#get x y)
done
done;
prerr_endline "histgram done";
let normalizer = Colorhist.normalize 0.9 hist in
prerr_endline "normalizer done";
for x = 0 to src#width - 1 do
for y = 0 to src#height - 1 do
let rgb = src#get x y in
let new_rgb = normalizer rgb in
src#set x y new_rgb;
done
done;
in
let saver img = img#save dst None [] in
normalize src;
saver src
;;
|
