行程 1.(路程) route or distance of travel; distance of run; length of travel; distance travelled; journey; flight 艱難的行程 hard journey; 漫長(zhǎng)的行程 long route; 行程五千多公里 travel over 5,000 kilometres; 一小時(shí)的行程 an hour's march; 這將是一整天的行程。it will make a full day's march.2.[機(jī)械工程] stroke; throw; travel 活塞行程 piston travel; 滑枕行程 ram stroke3.[電學(xué)] range
課程編寫語(yǔ)言 course writer; curriculum author language
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At the same time , three region segmentation algorithms also are introduced , i . e . global - based segmentation algorithm , tree - based region find in rle map image , and statistic - based region feature computation algorithm 同時(shí)在目標(biāo)區(qū)域合并(分割)階段,提出了基于全局掃描的分割算法、行程編碼圖中基于樹(shù)的區(qū)域查找算法和基于統(tǒng)計(jì)的區(qū)域特征量計(jì)算方法。
The main content is position matrix is set to record the location of wavelet coefficients , scanning the important wavelet coefficients first by using ordered quad - tree , and encoding the sign by using run length coding as well 主要思想是:設(shè)立位置矩陣記錄子帶的位置信息,對(duì)高頻子帶內(nèi)小波系數(shù)進(jìn)行掃描排序形成有序四叉樹(shù),對(duì)輸出的符號(hào)串采取行程編碼。
3 . tracking algorithm for curves , including the method for gray threshold combining space information , lag structure which was used to compress well - logging data during compressing and a progressive - completing method for curves tracing 3 .曲線跟蹤算法,包括結(jié)合空間分布信息的大津閾值方法、基于行程編碼的圖像無(wú)損壓縮算法和逐步完成的曲線跟蹤方法。
Then it is possible to realize high compression ratio of images . in this paper the principle of which wavelet transform can be used in images compression is discussed on basis of statistics and analysis of image ' s wavelet coefficients after wavelet decomposition . also some kinds of quantify and coding schemes are discussed including scalar quantization , vector quantization , embedded zerotree wavelets encodings run length coding , huffman coding and so on 論文對(duì)圖像經(jīng)分解后的小波系數(shù)進(jìn)行統(tǒng)計(jì)與分析,闡述了小波變換所以能夠用于圖像壓縮的道理,并在此基礎(chǔ)上討論了多種量化和編碼方案的設(shè)計(jì)與實(shí)現(xiàn),包括標(biāo)量量化、矢量量化、嵌入小波零樹(shù)編碼、行程編碼、哈夫曼編碼等,其中對(duì)jpeg2000采用的標(biāo)量量化和嵌入小波零樹(shù)編碼作了重點(diǎn)討論和分析。
In the thesis a volume rendering algorithm is put forward using shear - warp factorization of the viewing transformation and two - pass classification , it utilizes the coherence of volume data , classifies the data for the first pass and encodes the volume data using a run encoding , the encoded data is classified for the second pass when it is rendered . using the feature for two pass classification , it uses octree data structure speed up the rendering , realizes a very good volume rendering algorithm 本文提出了兩次分類錯(cuò)切變形體繪制算法,該算法充分發(fā)掘體數(shù)據(jù)的一致性,首先對(duì)數(shù)據(jù)進(jìn)行第一次分類,對(duì)第一次分類的結(jié)果進(jìn)行行程編碼,實(shí)現(xiàn)了數(shù)據(jù)的壓縮,對(duì)壓縮的體數(shù)據(jù)進(jìn)行第二次分類繪制;同時(shí)依據(jù)兩次分類的特點(diǎn),利用八叉樹(shù)進(jìn)行加速,實(shí)現(xiàn)了有效的體繪制算法。