不(bu)同(tong)的(di)動(dong)作(zuo)捕(bu)捉(zhuo)係(ji)統(tong)依(yi)照(zhao)的(di)原(yuan)理(li)不(bu)同(tong),係(ji)統(tong)組(zu)成(cheng)也(ye)不(bu)盡(jin)相(xiang)同(tong)。總(zong)體(ti)來(lai)講(jiang),動(dong)作(zuo)捕(bu)捉(zhuo)係(ji)統(tong)通(tong)常(chang)由(you)硬(ying)件(jian)和(hu)軟(ruan)件(jian)兩(liang)大(dai)部(bu)分(fen)構(gou)成(cheng)。硬(ying)件(jian)一(yi)般(pan)包(bao)含(han)信(xin)號(hao)發(fa)射(she)與(yu)接(jie)收(shou)傳(zhuan)感(gan)器(qi)、 信(xin)號(hao)傳(zhuan)輸(shu)設(she)備(bei)以(yi)及(ji)數(shuo)據(ju)處(chu)理(li)設(she)備(bei)等(deng);軟(ruan)件(jian)一(yi)般(pan)包(bao)含(han)係(ji)統(tong)設(she)置(zhi)、 空(kong)間(jian)定(ding)位(wei)定(ding)標(biao)、 運(yun)動(dong)捕(bu)捉(zhuo)以(yi)及(ji)數(shuo)據(ju)處(chu)理(li)等(deng)功(gong)能(neng)模(mu)塊(kuai)。信(xin)號(hao)發(fa)射(she)傳(zhuan)感(gan)器(qi)通(tong)常(chang)位(wei)於(yu)運(yun)動(dong)物(wu)體(ti)的(di)關(guan)鍵(jian)部(bu)位(wei),例(li)如(ru)人(ren)體(ti)的(di)關(guan)節(jie)處(chu),持(chi)續(xu)發(fa)出(chu)的(di)信(xin)號(hao)由(you)定(ding)位(wei)傳(zhuan)感(gan)器(qi)接(jie)收(shou)後(hou),通(tong)過(guo)傳(zhuan)輸(shu)設(she)備(bei)進(jin)入(ru)數(shuo)據(ju)處(chu)理(li)工(gong)作(zuo)站(zhan),在(zai)軟(ruan)件(jian)中(zhong)進(jin)行(hang)運(yun)動(dong)解(xie)算(suan)得(dei)到(dao)連(lian)貫(guan)的(di)三(san)維(wei)運(yun)動(dong)數(shuo)據(ju),包(bao)括(kuo)運(yun)動(dong)目(mu)標(biao)的(di)三(san)維(wei)空(kong)間(jian)坐(zuo)標(biao).人(ren)體(ti)關(guan)節(jie)的(di)6自(zi)由(you)度(duo)運(yun)動(dong)參(shen)數(shuo)等(deng),並(bing)生(sheng)成(cheng)三(san)維(wei)骨(gu)骼(ge)動(dong)作(zuo)數(shuo)據(ju),可(ke)用(yong)於(yu)驅(qu)動(dong)骨(gu)骼(ge)動(dong)畫(hua),這(zhe)就(jiu)是(shi)動(dong)作(zuo)捕(bu)捉(zhuo)係(ji)統(tong)普(pu)遍(bian)的(di)工(gong)作(zuo)流(liu)程(cheng)。
動(dong)作(zuo)捕(bu)捉(zhuo)係(ji)統(tong)的(di)種(zhong)類(lei)介(jie)紹(shao):
慣(guan)性(xing)傳(zhuan)感(gan)器(qi)式(shi)動(dong)作(zuo)捕(bu)捉(zhuo)係(ji)統(tong)
由(you)姿(zi)態(tai)傳(zhuan)感(gan)器(qi)、信(xin)號(hao)接(jie)收(shou)器(qi)和(hu)數(shuo)據(ju)處(chu)理(li)係(ji)統(tong)組(zu)成(cheng)。姿(zi)態(tai)傳(zhuan)感(gan)器(qi)固(gu)定(ding)於(yu)人(ren)體(ti)各(ge)主(zhu)要(yao)肢(zhi)體(ti)部(bu)位(wei),通(tong)過(guo)藍(lan)牙(ya)等(deng)無(wu)線(xian)傳(zhuan)輸(shu)方(fang)式(shi)將(qiang)姿(zi)態(tai)信(xin)號(hao)傳(zhuan)送(song)至(zhi)數(shuo)據(ju)處(chu)理(li)係(ji)統(tong),進(jin)行(hang)運(yun)動(dong)解(xie)算(suan)。中(zhong)姿(zi)態(tai)傳(zhuan)感(gan)器(qi)集(ji)成(cheng)了(liao)慣(guan)性(xing)傳(zhuan)感(gan)器(qi)、重(chong)力(li)傳(zhuan)感(gan)器(qi)、加(jia)速(su)度(duo)計(ji)、磁(ci)感(gan)應(ying)計(ji)、微(wei)陀(tuo)螺(luo)儀(yi)等(deng)元(yuan)素(su),得(dei)到(dao)各(ge)部(bu)分(fen)肢(zhi)體(ti)的(di)姿(zi)態(tai)信(xin)息(xi),再(zai)結(jie)合(ge)骨(gu)骼(ge)的(di)長(zhang)度(duo)信(xin)息(xi)和(hu)骨(gu)骼(ge)層(ceng)級(ji)連(lian)接(jie)關(guan)係(ji),計(ji)算(suan)出(chu)關(guan)節(jie)點(dian)的(di)空(kong)間(jian)位(wei)置(zhi)信(xin)息(xi)。這(zhe)類(lei)產(chan)品(pin)主(zhu)要(yao)的(di)優(you)點(dian)是(shi)便(pian)攜(xie)性(xing)強(jiang),操(cao)作(zuo)簡(jian)單(shan),表(biao)演(yan)空(kong)間(jian)幾(ji)乎(hu)不(bu)受(shou)限(xian)製(zhi),便(pian)於(yu)進(jin)行(hang)戶(hu)外(wai)使(shi)用(yong),但(dan)由(you)於(yu)技(ji)術(zhu)原(yuan)理(li)的(di)局(ju)限(xian),缺(que)點(dian)也(ye)比(bi)較(jiao)明(ming)顯(xian),一(yi)方(fang)麵(mian)傳(zhuan)感(gan)器(qi)本(ben)身(shen)不(bu)能(neng)進(jin)行(hang)空(kong)間(jian)定(ding)位(wei),通(tong)過(guo)各(ge)部(bu)分(fen)肢(zhi)體(ti)姿(zi)態(tai)信(xin)息(xi)進(jin)行(hang)積(ji)分(fen)運(yun)算(suan)得(dei)到(dao)的(di)空(kong)間(jian)位(wei)置(zhi)信(xin)息(xi)造(zao)成(cheng)不(bu)同(tong)程(cheng)度(duo)的(di)積(ji)分(fen)漂(piao)移(yi),空(kong)間(jian)定(ding)位(wei)不(bu)準(zhun)確(que):另(ling)- -方(fang)麵(mian)原(yuan)理(li)本(ben)身(shen)基(ji)於(yu)單(shan)腳(jue)支(zhi)撐(cheng)和(hu)地(de)麵(mian)約(yao)束(shu)假(jia)設(she),係(ji)統(tong)無(wu)法(fa)進(jin)行(hang)雙(shuang)腳(jue)離(li)地(de)的(di)運(yun)動(dong)定(ding)位(wei)解(xie)算(suan);此(ci)外(wai),傳(zhuan)感(gan)器(qi)的(di)自(zi)身(shen)重(chong)量(liang)以(yi)及(ji)線(xian)纜(lan)連(lian)接(jie)也(ye)會(kuai)對(dui)動(dong)作(zuo)表(biao)演(yan)形(xing)成(cheng)一(yi)定(ding)的(di)約(yao)束(shu),並(bing)且(qie)設(she)備(bei)成(cheng)本(ben)隨(sui)捕(bu)捉(zhuo)對(dui)象(xiang)數(shuo)量(liang)的(di)增(zeng)加(jia)成(cheng)倍(bei)增(zeng)長(zhang),有(you)些(xie)傳(zhuan)感(gan)器(qi)還(huan)會(kuai)受(shou)周(zhou)圍(wei)環(huan)境(jing)鐵(tie)磁(ci)體(ti)影(ying)響(xiang)精(jing)度(duo)。
光(guang)學(xue)式(shi)動(dong)作(zuo)捕(bu)捉(zhuo)係(ji)統(tong)
基(ji)於(yu)計(ji)算(suan)機(ji)視(shi)覺(jue)原(yuan)理(li),由(you)多(duo)個(ge)高(gao)速(su)相(xiang)機(ji)從(zong)不(bu)同(tong)角(jue)度(duo)對(dui)目(mu)標(biao)特(te)征(zheng)點(dian)的(di)監(jian)視(shi)和(hu)跟(gen)蹤(zong)來(lai)完(wan)成(cheng)運(yun)動(dong)捕(bu)捉(zhuo)的(di)任(ren)務(wu)。理(li)論(lun)上(shang)對(dui)於(yu)空(kong)間(jian)中(zhong)的(di)任(ren)意(yi)一(yi)個(ge)點(dian)隻(zhi)要(yao)它(ta)能(neng)同(tong)時(shi)為(wei)兩(liang)部(bu)相(xiang)機(ji)所(suo)見(xian),就(jiu)可(ke)以(yi)確(que)定(ding)這(zhe)一(yi)-時(shi)刻(ke)該(gai)點(dian)在(zai)空(kong)間(jian)中(zhong)的(di)位(wei)置(zhi)。當(dang)相(xiang)機(ji)以(yi)足(ju)夠(gou)高(gao)的(di)速(su)率(shuai)連(lian)續(xu)拍(pai)攝(she)時(shi),從(zong)圖(tu)像(xiang)序(xu)列(lie)中(zhong)就(jiu)可(ke)以(yi)得(dei)到(dao)該(gai)點(dian)的(di)運(yun)動(dong)軌(gui)跡(ji)。這(zhe)類(lei)係(ji)統(tong)采(cai)集(ji)傳(zhuan)感(gan)器(qi)通(tong)常(chang)都(du)是(shi)光(guang)學(xue)相(xiang)機(ji),不(bu)同(tong)的(di)是(shi)目(mu)標(biao)傳(zhuan)感(gan)器(qi)類(lei)型(xing)不(bu)一(yi), -種(zhong)是(shi)在(zai)物(wu)體(ti)上(shang)不(bu)額(e)外(wai)添(tian)加(jia)標(biao)記(ji),基(ji)於(yu)=維(wei)圖(tu)像(xiang)特(te)征(zheng)或(huo)三(san)維(wei)形(xing)狀(zhuang)特(te)征(zheng)提(ti)取(qu)的(di)關(guan)節(jie)信(xin)息(xi)作(zuo)為(wei)探(tan)測(ce)目(mu)標(biao),這(zhe)類(lei)係(ji)統(tong)可(ke)統(tong)稱(chen)為(wei)無(wu)標(biao)記(ji)點(dian)式(shi)光(guang)學(xue)動(dong)作(zuo)捕(bu)捉(zhuo)係(ji)統(tong),另(ling)一(yi)種(zhong)是(shi)在(zai)物(wu)體(ti)上(shang)粘(nian)貼(tie)標(biao)記(ji)點(dian)作(zuo)為(wei)目(mu)標(biao)傳(zhuan)感(gan)器(qi),這(zhe)類(lei)係(ji)統(tong)稱(chen)為(wei)標(biao)記(ji)點(dian)式(shi)光(guang)學(xue)動(dong)作(zuo)捕(bu)捉(zhuo)。
聲(sheng)學(xue)式(shi)動(dong)作(zuo)捕(bu)捉(zhuo)係(ji)統(tong)
-般(pan)由(you)發(fa)送(song)裝(zhuang)置(zhi)、接(jie)收(shou)係(ji)統(tong)和(hu)處(chu)理(li)係(ji)統(tong)組(zu)成(cheng)。發(fa)送(song)裝(zhuang)置(zhi)-般(pan)是(shi)指(zhi)超(chao)聲(sheng)波(bo)發(fa)生(sheng)器(qi),接(jie)收(shou)係(ji)統(tong)一(yi)般(pan)由(you)三(san)個(ge)以(yi)上(shang)的(di)超(chao)聲(sheng)探(tan)頭(tou)陣(zhen)列(lie)組(zu)成(cheng)。通(tong)過(guo)測(ce)量(liang)聲(sheng)波(bo)從(zong)一(yi)個(ge)發(fa)送(song)裝(zhuang)置(zhi)到(dao)傳(zhuan)感(gan)器(qi)的(di)時(shi)間(jian)或(huo)者(zhe)相(xiang)位(wei)差(chai)。確(que)定(ding)到(dao)接(jie)受(shou)傳(zhuan)感(gan)器(qi)的(di)距(ju)離(li),由(you)三(san)個(ge)呈(cheng)三(san)角(jue)排(pai)列(lie)的(di)接(jie)收(shou)傳(zhuan)感(gan)器(qi)得(dei)到(dao)的(di)距(ju)離(li)信(xin)息(xi)解(xie)算(suan)出(chu)超(chao)聲(sheng)發(fa)生(sheng)器(qi)到(dao)接(jie)收(shou)器(qi)的(di)位(wei)置(zhi)和(hu)方(fang)向(xiang)。其(qi)大(dai)優(you)點(dian)是(shi)成(cheng)本(ben)低(di),但(dan)缺(que)點(dian)是(shi)精(jing)度(duo)較(jiao)差(chai),實(shi)時(shi)性(xing)不(bu)高(gao),受(shou)噪(zao)聲(sheng)和(hu)多(duo)次(ci)反(fan)射(she)等(deng)因(yin)素(su)影(ying)響(xiang)較(jiao)大(dai)。