Subversion Repositories linkruncca

/**************************************

Author: J.W Tang

Email: jaytang1987@hotmail.com

Module: holes_filler

Date: 2016-04-24

Copyright (C) 2016 J.W. Tang

----------------------------

This file is part of LinkRunCCA.

LinkRunCCA is free software: you can redistribute it and/or modify

it under the terms of the GNU Lesser General Public License as

published by the Free Software Foundation, either version 3 of

the License, or (at your option) any later version.

LinkRunCCA is distributed in the hope that it will be useful,

but WITHOUT ANY WARRANTY; without even the implied warranty of

MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

GNU Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public License

along with LinkRunCCA. If not, see <http://www.gnu.org/licenses/>.

By using LinkRunCCA in any or associated publication,

you agree to cite it as:

Tang, J. W., et al. "A linked list run-length-based single-pass

connected component analysis for real-time embedded hardware."

Journal of Real-Time Image Processing: 1-19. 2016.

doi:10.1007/s11554-016-0590-2.

***************************************/

module holes_filler(clk,datavalid,pix_in_current,pix_in_previous,left,pix_out);

input clk,datavalid,pix_in_current,pix_in_previous;

output reg left;

output pix_out;

reg top,x,right;

//window

always@(posedge clk)

        if(datavalid)begin

                top<=pix_in_previous;

                left<=x;x<=right;right<=pix_in_current;

        end

assign pix_out=(top&(left|right))?1'd1:x;

endmodule