基于OpenCV的摄像头动态手势轨迹识别及其应用
基于OpenCV的摄像头动态手势轨迹识别及其应用，前沿的研究，最新论文2012B_0% random t XoX,XX4_1、42、B0Bhattacharyyaglsl. 8 gsl_ran_gaussianpp q1/3t=∑∵n8HSVcerterHSVIISV V44 HMM3IIMMA=SO4 B450AiI i j-+∑bk2HMM4+1=A_1*X1-X0+A_2*Xo1994-2013ChinaAcademicJournalElectronicPublishingHouse.Allrightsreservedhttp://www.cnki.netOpencvlIMMP., v3)A BP(IAIIMM(a)两点之间的方向夹角(b)轨迹的方间夹角分为8等份HMMBaum-WelchyO aB,i/∑a,iBtHMMAHMM∑s: t Hq,=======-s,qui a 6. o, B, 1 j/PolAa)向右的于势(b)向左的手势(c)向上的手势(d向下的手势动,O:B1j1+1J∑,ijtimermero∑点:1j/∑b kFirmerlimmer=3∑y,1/∑yIMM丌AB512Baum-welch4.3HMⅥHMMHMⅥHMM8(a)第5(b)第6帧第6幀第6帧o1994-2013ChinaAcademicJournalElectronicPublishingHouse.Allrightsreservedhttp://www.cnki.net1322012(a第1(b)第72(a)第5帧(b)第60帧(c}第62帧(d)第G3帧(c)第75d)第呲5.4 HMMHMMHMMHMIHMM丌ABHMMa)第4帧.0()第50d)第54帧HMMHMM0.2928060.56l9010.2943160.5606530.1167910.1900640.0428680.1903360.041360.3217210.3235800.0173120.1166050.0155030.0708480.069680.1601290.0412690.1600400.039740.0749660.0738510.1859570.1468650.1466160.2136800.1587320.0954920.1586260.094620.2069880.207462HMM30.00l20.00100.0010.00I0.00l0.000.0050.00l.O001.000360.0010.00120.00I0.0010.00l0.001IIMMHMMIIMM320×240HMMo1994-2013ChinaAcademicJournalElectronicPublishingHouse.Allrightsreservedhttp://www.cnki.netOpencv133jck hand recogni tion2005,2611):29Openly获取直方图轨迹图像2010,30(71:59-61.在单击“轨迹「未选择-图像显示[5 QIN WEN, PENG QICONG. An improved particle filter algorithm图像时选择Chmm控制based on neural network for visual tracking[c / International Con个按钮选C控制贪食鱼ference on Communications, Circuits and SyLas v.项训练HMMIEEE.2007:765-768LD」停止退出2009[7 YU JINXIA, LIU WENJING, YANG Y. Impmved particle filter algorithms based on partial systematic resampling C|//IEEE InTernational Conference on Intelligent Computing and Intelligent SystemsLas vegas: IEEE, 2010: 483-4878 FAZLI S, POUR II M, BOUZARI ll. Particle filter based objecttracking with sift and color feature[C // Second International Conas Vegas: IEEE, 2009: 89-9(8:62-64.L10」LD」HMM,2004[ II YUAN LICHI. An improved HMM speech recognition model[c//International Conference on AudiO. las Vegas: IEEE, 2008: 1311LlOpenCVLD」1315.[12 TAN WENJUN, WU CHENGDONG, ZHAO SHUYING. Recogni[2 CHlO JU, JIN S ll, PILAM X D. Object tracking circuit using partition of dynamic hand gesture based on SCllMM model[C]//Chi-cle filter with multiple features [C//SICE-ICASE: Internationalnese Control and Decision Conference. Log Vegas: IEEE. 2009Joint Conference. Las Vegas: IEEE, 2006: 1431-14362430-24341272011,28(2):242-244.C,2010,1(1):92-95SIFT[8 BEIS J S, LOWE D G. Shape indexing using approximate nearest-neighbour search in high-dimensional spaces [C]// Proceedings ofthe IEEE 1997 Computer Society Conference on Computer visionand Pattern Recognition. Washington, DC: IEEE Computer Socie-ly,997:1000-1006SIFT009,29(5):423-2262009,30(4):857-861[O][2] LOWE D G. Distinctive image features from scale-invariant key-points[ J]. International of Computer Vision, 2004, 60(2):91[11 SHUM H Y, SZELISKI R. Construction of panoramic image mosaicswith global and local alignment[ J International Journal of Comp3 MIKOLAJCZYK K, SClIMID C. A performance evaluation of localer visian,2000,36(2):101-130descriptors[ J|. IEEE Transactions on Pattern Analysis and Machine[12 ZOGIILAMI 1. FAUGERLAS O, DERICIIE R. Using geometric corIntelligence,2005,27(10):1615-1630ners to build a 2D mosaic from a set of images[C]// Proceedings of4 LINDEBERG T. Seale -space theory a basic foul for analyzingthe International Conference on Computer Vision and Pattern Recog-structures at different seales LJ. Journal of Applied StatisticitiL. Washington, DC: IEEE Computer Society, 1997: 1671994,21(2):224-270o1994-2013ChinaAcademicJournalElectronicPublishingHouse.Allrightsreservedhttp://www.cnki.net
- 2020-12-01下载
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内存乒乓缓存机制和消息分发机制的C代码实现
用C代码实现乒乓内存缓冲机制，具体实用价值，帮助您提高内存响应速度与及时数据的处理。unsigned long writeunsigned long greadunsigned long overflowST TWTMSG QUEUE:/ Helper macros for accessing Msg queues. *#define tWt QUEUE EMPty(a)(((g->write==(q)->gread)? 1: 0)#define twt_ QUeUe full(a)(((((q)->qwrite +1% TIMEWEIGHT TASKQUEUE SIZED)==(q)->gread)?1: 0)米 generate a Msg entity*正常返回消息体的指针,异常返回NULLT TWTMSG* generateMsg(tT-TWTMSG* pmSg=nULL,if(NULL =-(ptMsg malloc(sizeof(T TWTMSG)))return NULL;memset(ptMsg, 0, sizeof(T TWTMSG)return pmSg;destroy a Msgvoid destroy Msg(t TWTMSG ptMsgif(NULL ptMsg->pfDestroyMsg)pt Msg->pfDestroy Msg(ptMsg->pvMsg)if (NULL != pt Msg)free(pmSgfree a Msg Queuevoid freeTWTMsg Que(T TWTMSG QUEUE* ptMsgQif(NULL =ptMsg Afree(ptMsg Q);Init a Msg QT TWTMSG QUEUE* initTWTMsg QueoT TWTMSG QUEUE pmSg Q= NULlif (NULL ==(ptMsgQ malloc(sizeof(T_ TWTMSG QUeue)goto ErrRetmemset(ptMsgQ, 0, sizeof(T TWTMSG QUEUE))return pmSg Q;Errretprintf( initTWTMsg Que Fail! ")freeTWTMsgQue(ptMsg Q)return nullPop a pvMsg packet from a msg packet queues param g is the packet queue from which to pop the pbuf@return pointer to pvMsg packet if available, NULl otherwiseT TWTMSG* TWTMsg Get(T_ TWTMSG QUEUE aT TWTMSG*//*加锁if(TWT_ QUEUE_ EMPTY(a))iReturn a NUll pointer if the queue is emptypmSg=NULL;else is The queue is not empty so return the next frame from itand adjust the read pointer accordinglypmSg=g->pvMsglq >greadg->gread =((q->gread +1)% TIMEWEIGHT_TASKQUEUE_ SIZE)/*解锁return(pmSg);Push a pmSg packet onto a pvMsg packet queue@param p is the pmsg to push onto the packet queue@param g is the packet queue.W @return 0 if successful, -1 if q is fullnt TWTMsg Send(T tWTMSg*p, T TWTMSG QUEUE *qint ret/if(!TWT_ QUEUE FULL(al)iThe queue isn t full so we add the new frame at the currentw write position and move the write pointer.g->pvMsgla->write]=pg- >write =((q->qwrite+1)% TIMEWEIGHT TASKQUEUE SIZE;ret =oThe stack is full so we are throwing away this value. Keep trackof the number of times this happensg->overflow++ret =-1://*解锁return(ret)**米**米来米***来米*半米*米*半米*米求***半*米米求半**米求半**半求半和*米*//消息分发机制//*算法是//*正常返回0,出错返回-1水米米******水*米*水**米*半*水米米冰半**水水*水米米半米冰水*米水水*水*米水水extern int RecToFile MsgProc(T_ MSG_ REC2 FILE* ptMsg);int DispatchMsg(T TWTMSG *ptMsgitif(NULl = ptMsg goto ErrRet/*dispatch msg*/switch(ptMsg->en Msg Type)case TWT PINgPoNgBuff recRecTo File Msg Procl(TMSG_REC2FE) (pmSg->pMsg);/*处理消息*/destroy Msg( pmSg;/*消毁消息breakdefault.printf("Dispatch Msg Msgtype Error! n")break.return 0ErrRetprintf("Dispatch Msg Fail! ";return-1./*buff size*/#defineP| NGPONG_ BUFF BSIZE0X20000//10*1024*1024/*10M*/*ping pong buff*///chargacPINGBUFF[PINGPONG BUFF BSIZE]; /* Ping Buff*///chargacPONGBUFF[PINGPONG_ BUFF BSIZE] *Pong Buff*/水米米*********米*水**米*半*水米米水**冰水*水米米半半水半米冰水*米水水*水*米米//*释放 ping pong buff/必然成功//*无返回木***木*水****本**水*水水*水****本水**水水****水水***本***米*水void Destroy Ping Pong Butt(T PINGPONGBUFF USE DES ptPing Pong Butt)nLoopif (NULL = pt Ping pong buffreturnfor (nLoop=0; nLooptIng BuffUse[nLoop]. pcHeadAddr)free(ptPing Pong ->t Ping BuffUse[nLoop]. pcHeadAddr)free(pt Ping pong Buff)/初始化 ping pong buff返回 pign pong buff的描述指针//*正常返回0,出错返回-1水水水水水水水水水木水木水水水水水木水木水水水水水水水水本水水水水水水水水水本水水水水水水水水水水水水水T PINGPONGBUFF USE DES InitPing Pong Buff(unsigned int n BuffSizeT PINGPONGBUFF USE DES* ptBuffDes=NULLintnLoop/*获取buf描述*if NULL==(ptBuffDes=malloc(sizeof(T PINGPONGBUFF USE DES))))goto ErrRetmemset(pt BuffDes, 0, sizeof(T_PINGPONGBUFF USE_ DES));/*分别初始化ping和pong*/for(nLoop=0; nLooptIng BuffUsenLoop pcHeadAddr =malloc n BuffSize))goto Err Ret;ptBuffDes->tIng BuffUselnLoop] nBuffSize nBuffsizeptBuffDes->tPing BuffUse[nLoop]. oFfsetptBuffDes->tPing BuffUsenLoop) eUseStatus-=BUFF WRITEABLE;pt BuffDes->eCurUseIDBUFF PINGreturn pt BuffDesErrretprintf("lnitPing Pong Buff Fail!");DestroyIng Pong Buff(pt BuffDes)turn null平**米**米*米***来米米*米*米*半米*米米米来*半米平**米米求*来*半求半来*米求*和*米*/*Reset ping pong buff//*正常返回0,出错返回-1米米米米水冰米*米米水**米米冰*米水米米米米水米水*水米米来米米x米来米米水冰来来宋来水米来米来冰#define ResetBuffUse(ptBuffuse)pt BuffUse->oFfset0pt BuffUse->eUseStatus BUFF WRITEABLEgenerate a file rec msg*正常返回消息体的指针,异常返回NULLT_MSG_REC2lGK SenFRMSB(T_BUFF_USE_DES *ptBuffUse, REC_FILE_DESLIST *ptFileListRT MSG REC2FILE KE* ptRFMsg= NULL;if(NULL ==(ptRFMsg malloc(sizeof(T_ MSG REC2 FILE)return nUllptRFMsg- >pt BuffUse pt BuffUseptRFMsg->pt Filelist ptFilelist;return ptRFMsg
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