使用機器對顆粒的計數
womenzaizhenduizhongzidekelijishudeshihou,shixiangjinlehenduofangfade,zuichuantongdefangfajiushijinxingrengongdejishu,danshibijingcunzaizhegongzuoliangda,wuchadadengquedian,weilejiejuezheyangdewenti,womenyijingjiakuailenongyefazhandebufa,zhongjianyejinglileqitadefangfajinxinggaishan,danshidoushicunzaiyidingwentide。jiuzaishanggeniandaimowomenyanzhile電子自動數粒儀,純chun自zi動dong化hua的de儀yi器qi已yi經jing解jie決jue了le我wo們men的de問wen題ti,原yuan理li以yi及ji結jie構gou都dou是shi相xiang當dang簡jian單dan的de,最zui主zhu要yao的de是shi價jia格ge也ye很hen實shi惠hui,能neng夠gou被bei廣guang大da的de農nong民min接jie受shou,已yi經jing得de到dao了le廣guang泛fan的de應ying用yong。由you於yu基ji於yu二er維wei直zhi方fang圖tu的de分fen割ge算suan法fa增zeng加jia了le各ge個ge像xiang素su點dian的de鄰lin域yu信xin息xi,從cong而er增zeng強qiang了le抗kang幹gan擾rao能neng力li,提ti高gao了le分fen割ge的de準zhun確que性xing,進jin而er再zai結jie合he極ji限xian腐fu蝕shi的de方fang法fa實shi現xian對dui種zhong子zi的de計ji數shu。實shi驗yan結jie果guo表biao明ming:采用本文的算法可對不同光照強度下的種子圖像進行有效的分割及識別計數。
千(qian)粒(li)重(zhong)是(shi)體(ti)現(xian)種(zhong)子(zi)大(da)小(xiao)與(yu)飽(bao)滿(man)程(cheng)度(du)的(de)一(yi)項(xiang)重(zhong)要(yao)指(zhi)標(biao),是(shi)檢(jian)驗(yan)種(zhong)子(zi)質(zhi)量(liang)和(he)作(zuo)物(wu)考(kao)種(zhong)的(de)內(nei)容(rong),也(ye)是(shi)田(tian)間(jian)預(yu)測(ce)產(chan)量(liang)時(shi)的(de)重(zhong)要(yao)依(yi)據(ju)。目(mu)前(qian)對(dui)基(ji)於(yu)機(ji)器(qi)視(shi)覺(jiao)技(ji)術(shu)的(de)類(lei)圓(yuan)物(wu)體(ti)的(de)檢(jian)測(ce)計(ji)數(shu)方(fang)法(fa)有(you)很(hen)多(duo),例(li)如(ru):Houghbianhuanyuanjiancefa。danzhexiejishufangfadezhunquexingheshiyongxingdoushijianlizaiduicaijidaodetuxiangjinxinglianghaoyuchulijichuzhishangde,youyushouhuanjingdeyingxiang,shijicaijidetuxiangwangwangcunzaijiaoduodezaosheng。bunengzhunquefengemubiaoyubeijingjianghuiyanzhongyingxianghouxuduizhongzijishudezhunquexing,yinci,ruhezhunquetiquzhongzituxiangshisuoyaojiejuedeguanjianwenti。
並結合色差比的方法進行自適應閾值分割,可有效去除枝、葉的幹擾,但對於蘋果表麵由於光照而出現的顏色失真沒有很好地解決;蔡健榮等研究了HIS顏色空間下基於色調和飽和度的自動閾值分割,該法在處理直方圖雙峰不明顯的圖像時準確率有所下降。分析其直方圖發現出現了3個波峰,且穀底也不是很明顯,這將嚴重影響Ot-su分割算法的性能。由此可以看出基於RGB空間的色差分割不能很好地適應不同的光照條件,不能解決因顏色失真而引起的錯誤分割,而且基於色差法的分割算法有其局限性:一旦目標顏色發生變化,中國糧油儀器網 http://www.98fo.cn/



