Parallel Algorithms for Look-Up Table (LUT) Inverse Halftoning
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Saudi Digital Library
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ماﺪﺨﺘﺳا LUT نﻮﻠﻟا ﻒﺼﻧ سﻮﻜﻌﻤﻟ ) HalfToning ( ، ﻲﺘﻟا ﺰﻴﻤﺘﺗ ﺔﻋﺮﺴﻟﺎﺑ ﻲﺘﻟاو ﺔﻴﺿﺎﻳر تﺎﺑﺎﺴﺣ ﻰﻠﻋ يﻮﺘﺤﺗ ﻻ ، ﻲﻓ ﺔﻗﺪﻟا ﺔﻴﻟﺎﻋ رﻮﺻ ﻰﻠﻋ لﻮﺼﺤﻠﻟ مﺪﺨﺘﺴﺗ ﻲﺘﻟا حﺮﺘﻘﻧ ﺔﻟﺎﺳﺮﻟا ﻩﺬه 6 قﺮﻃ algorithms ماﺪﺨﺘﺳﻹ ﺔﻘﻳﺮﻃ LUT يزاﻮﺘﻟا ﻰﻠﻋ ﻦﻣ ﺮﺜآأ نا ﺚﻴﺤﺑ ةرﻮﺼﻟا ﻰﻠﻋ ﺔﻄﻘﻧ (pixel) نﻮﻠﻟا ﻒﺼﻧ سﻮﻜﻌﻣ مﺪﺨﺘﺴﺗ inverse halfetoning ﻚﻟذو ﺨﺘﺳﺎﺑ ﺔﻴﻓﺎﺿﻹا ﻊﻄﻘﻟا ﻦﻣ ﺔﻨﻜﻤﻣ ﺔﻴﻤآ ﻞﻗا ماﺪ hardware . ﻦﻣ ةﺪﺣو ءﺰﺠﺗ ﺔﺣﺮﺘﻘﻤﻟا قﺮﻄﻟا LUT ﺮﻐﺻا ﻊﻄﻗ ن ﻞﺴﻠﺴﺘﻣ s-LUT ﻊﻄﻘﻟا دﺪﻌﻟ يوﺎﺴﻣ ﻲﻟﺎﻤﺟﻹا ﺔﻳﻮﺘﺤﻤﻟا ﻊﻄﻘﻟا دﺪﻋ نﻮﻜﻳ ﺚﻴﺤﺑ ةﺪﺣو ﻲﻓ ﺔﻳﻮﺘﺤﻤﻟا LUT ﺎﻣﺪﻨﻋ ةرﻮﺼﻟا ةدﻮﺟ ﺲﻔﻧ ﻲﻄﻌﺗ ﺔﺣﺮﺘﻘﻤﻟا ﺔﻘﻳﺮﻄﻟا ﺐﺴﻜﻟا ﺔﺒﺴﻧ نﻮﻜﺗ ﻦﻋ ﺔﺠﺗﺎﻨﻟا ﺔﺒﺴﻧ دﺪﻋ تارود ﻟا ﻞﻗا ﺔﻴﻠﺴﻠﺴﺘﻟا ﺔﻘﻳﺮﻄﻟا ﻰﻠﻋ ﺔﻋﺎﺴ . إ ةدﻮﺟ ﻞﻗا ةرﻮﺼﻟا نﻮﻜﺗو 1 اذ اﺪﺟ ﺔﻴﻟﺎﻋ ﺔﻴﻠﺴﻠﺴﺘﻟا ﺔﻘﻳﺮﻄﻟا ﻰﻠﻋ ﺔﻋﺎﺴﻟا تارود دﺪﻋ ﺔﺒﺴﻧ ﻦﻋ ﺔﺠﺗﺎﻨﻟا ﺐﺴﻜﻟا ﺔﺒﺴﻧ نﺎآ . ﻦﻜﻤﻳ و ماﺪﺨﺘﺳﺎﺑ ﺔﻘﻳﺮﻄﻟا ﻩﺬه ﻖﻴﺒﻄﺗ FPGA ﻊﻣ CAM (Content Addressable Memories) ةﺮآاذ ةﺪﺣوو ﻲﺟرﺎﺧ ROM .