最大似然分類 的英文怎麼說

中文拼音 [zuìdàsìránfēnlèi]
最大似然分類 英文
maximum likelihood classification
  • 最 : 副詞（表示某種屬性超過所有同類的人或事物） most; best; worst; first; very; least; above all; -est
  • 然 : Ⅰ形容詞（對; 不錯） right; correct Ⅱ代詞（如此; 這樣; 那樣） so; like that Ⅲ連詞[書面語] （然而）...
  • 分 : 分Ⅰ名詞1. （成分） component 2. （職責和權利的限度） what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] （料想） judge
  • 類 : Ⅰ名1 （許多相似或相同的事物的綜合; 種類） class; category; kind; type 2 （姓氏） a surname Ⅱ動詞...
  1. At first, the text is segmented to words and converted to a sequence of part - of - speech tags ; then based on the pos tags sequence parameters and phrase - break distance information from training, markov model is used to get the most likely phrase break sequence

    首先，文本進行分詞，並轉換為一列由詞性標記所組成的序列；然後使用馬爾可夫模型，利用人工標注數據庫訓練詞語連接處詞性標注序列的概率分佈和連接類型序列的距離信息，得到輸入的詞性標記序列對應的具有最大似然概率的連接類型序列，最後利用后處理規則進行適當的糾錯。
  2. To meet the demands for large space and flexible compartmentation of buildings, laminated vierendeel trusses are adopted in high - position transfer story structures. first the bearing characteristics are analyzed, in which reasonable stiffness ratio of the upper chord, middle chord, and lower chord is derived. then combined with an actual engineering model ( 1 8 similar ratio ), the static loading and pseudo - dynamic tests of two models for laminated vierendeel truss used in transfer story structures are conducted, in which one model adopts reinforced concrete, and the other adopts prestressed concrete and shape steel concrete. seismic behaviors are analyzed, including inter - story displacement, base shear - displacement skeleton curves, and equivalent viscosity - damping curves. a program is programmed to carry out the elasto - plastic dynamic analysis, and displacement time - history curves of the two models are derived. the test and analysis results show that the laminated vierendeel truss with prestressed concrete and shape steel concrete has excellent seismic behaviors. it can solve the disadvantages of laminated vierendeel trusses used in transfer story structures. finally, some design suggestions are put forward, which can be referenced by similar engineering

    為滿足建築物大空間和靈活隔斷要求，在高位轉換層結構中採用迭層空腹桁架結構.首先分析了其受力性能，得出了空腹桁架各構件合理的截面剛度以及布局形式.然後結合一實際工程，進行了兩榀迭層空腹桁架轉換結構模型（ 1 : 8相似比）的豎向荷載下靜力試驗以及擬動力試驗.其中一榀為普通混凝土迭層空腹桁架，另一榀配置了預應力和鋼骨混凝土，對比分析了兩模型的層間位移比、骨架曲線以及等效粘質阻力系數等抗震性能的比較，並進行了彈塑性動力分析.試驗和分析結果表明，配置預應力和型鋼混凝土的迭層空腹桁架轉換結構具有良好的抗震性能，可以成功地解決迭層空腹桁架作為轉換層結構所產生的弊端問題，最後對這類轉換層結構提出了相應的設計建議
  3. The main conclusions are following : ( 1 ) compared with the conventional mlc, the method of iterative prior probability based on the vector map can dispel the prior probability ’ s influence and the overall accuracy and kappa index can be improved ; ( 2 ) to the types with greater area than average area of all types, the producer ’ s accuracy will be improved while user ’ s accuracy be lessened, but to the ones with smaller area, the situation is just the opposite

    本研究的主要結論是: （ 1 ）與傳統的最大似然法分類相比，利用地理數據矢量化得到的先驗概率進行迭代，可進一步消除先驗概率對最大似然分類法分類結果的影響，使分類總精度和kappa指數有進一步提高; （ 2 ）分佈面積大於平均值的類別，生產者精度一般會變高，使用者精度會變低;分佈面積小於平均值的類別，生產者精度一般會變低，使用者精度會變高。
  4. In this paper, we described the two categories of algorithms, especially the fbp algorithm and the emml algorithm. and this paper introduced a new algorithm called maximum entropy ( me ) algorithm. at last, we experimented on computer using some algorithms and got some useful conclusion

    本文分別詳細介紹了兩類演算法中常見的一些演算法，如濾波反投影法（ fbp ）和最大似然法（ emml ）等，並且在此基礎上提出了一種新的演算法? ?最大熵法。
  5. There are mainly two type of algorithms used for spatial spectrum estimation : one is those based on bayesian maximum likelihood method, like the ml ( maximum likelihood ) algorithm, maximum entropy method and etc., the others are based on the spatial decomposition or projection of correlation matrix, this kind of algorithm include vector characterization method, music ( multiple signal classification ) algorithm, projection matrix method, etc. music is a classical spatial spectrum estimation algorithm that has a super high resolution and is widely used today, however, it cannot estimate doa of signals that are correlated

    空間譜估計的演算法大致分兩大類:一是基於極大似然估計和最大后驗概率估計統計理論的演算法，包括:極大似然估計法（ ml ） 、最大熵法等;另一類是基於對協方差矩陣進行子空間分解或投影的演算法，包括:矢量特徵法、多重信號分類法（ music ） 、投影矩陣法等。其中， music法是一種經典的空間譜估計主流演算法，具有超強的分辨性能，但它無法實現對相干信號進行測向分辨。
  6. Land cover of china region was analyzed using the 1km ndvi and the relative ancillary data. the result shows that the distribution of vegetation in china is correlative with space and the ndvi seasonal variations are different between various ecosystems. the land cover classification can be based on this character

    利用中國區域1公里解析度的多時相ndvi合成數據集及相關的輔助地理信息數據，對中國區域的陸表植被覆蓋做了一般性分析，結果表明植被覆蓋分佈具有相當明顯的地域性，並且各種類型陸表的ndvi表現出不同的季節性變化特徵，可以此作為分類的依據；利用bayes最大似然分類法對我國東北地區進行了地表覆蓋分類。
  7. Trifurcatum ought to be kicked out from this sect ; ( 3 ) a monophyletic group of x = 11 species was shown in the its tree ; ( 4 ) a. fasciculatum had a close relationship with x = 11 species ; ( 5 ) a. wallichii and a. macranthum had different evolution processes, their relationship was not so related ; ( 6 ) the sensible components of sect

    採用鄰接法（ neighborjoiningmethod ） 、非加權配對算術平均法（ upgma ） 、最大簡約法（ mostparsirnonymethod ） 、最小進化法（ mininmmevolutionmethod ）和最大似然法（ maximumlikelihoodmethod ） ，通過定義和不定義外類群，以及選擇不同數量的外類群對所得的序列數據進行分析，重建了分子系統樹。
  8. The paper has made detailed observation by the existing apparatus and the field observation stations. based on the image and the vector database of the yutian oasis, the study has obtained the precise coordinates of investigation points by gps technique, and overlapped them with the images. after classifying the images with the maximum likelihood supervised classification method, we import the result into cis software, and analyze the yutian oasis changes about land cover " s quantity, quality and spatial position from 1976 to 2001

    本文利用現有儀器設備和野外觀測網站進行詳細觀測，在建立於田綠洲圖像庫和矢量數據庫的基礎上，運用gps技術取得野外考察樣點的精確坐標並與研究區各時期影像疊加，對影像進行了最大似然法監督分類，並將分類結果轉入gis軟體處理，全面分析了1976年至2001年該綠洲的土地覆蓋類型數量、質量與空間上的變化。
  9. Phylogenetic relationships among these haplotypes were inferred from a minimum spanning network, which was constructed by the computer software minispnet, and two phylogenetic reconstructions were determined by using maximum likelihood algorithm incorporated in the phylogenetic inference package ( phylip ) version 3. 5c and neighbour joining algorithm incorporated in the software molecular evolution genetic analysis ( mega ) version 2. 0. all these methods exclusively divided the haplotypes into three monophyletic clades corresponding to china mainland, northern japan, and southern japan populations respectively. in these populations, the china mainland population and the southern japan population have a relatively closer affinity than either of them with the northern japan population

    最小跨度網路圖（ minimumspanningnetwork ， msn ）和基於最大似然法（ maximumlikelihood ， ml ）和鄰接法（ neighborjoining ， nj ）的系統發生分析均把單元型聚類為對應于中國大陸、日本南部和日本北部的三個單系，其中中國大陸和日本南部梅花鹿有相對較近的親緣關系，支持日本梅花鹿的祖先通過至少兩個大陸橋從亞洲遷移到日本的觀點。
  10. Decision theory, statistical classification, maximum likelihood and bayesian estimation, non - parametric methods, unsupervised learning and clustering

    決策理論，統計分類，最大似然和貝葉斯估計，非參數方法，非監督的學習與聚類。
  11. Based on the optimum theory of multi light spectrum hands and the analysis of the inter relation of various hands of the pictures of white cells, a new classification method a great improvement on the traditional maximum likelihood classification - has been suggested which can classify the most effective parts of the hands of the white cell pictures

    摘要基於多光譜波段的優化理論，在白細胞圖像各波段間相關性分析的基礎上，對傳統最大似然分類法進行改進，提出一種對白細胞圖像選擇最有效部分波段進行識別的分類方法。
  12. It is a new approach to improve the accuracy of image classification in combining spectral feature with texture and structural features of ground objective on satellite image. based on the recognizable characteristics of satellite image, it is introduced how to describe and capture texture and structural features of ground objective by the discrete fractional brownian motion model. furthermore, neural networks are used for classification tool of satellite image. in classification spectral feature, texture and structural features of ground objective are used for the category of an irs - 1c satellite image. the category result shows this approach is better than the maximum likelihood classifier

    根據衛星數字圖像特點，引入了分形方法來描述紋理結構特徵，利用離散分形布朗運動dfbm統計模型來抽取衛星圖像紋理結構特徵。在此基礎上，採用神經網路方法將紋理結構特徵與地物光譜特徵相結合，進行衛星圖像分類。試驗結果表明，該分法分類效果優于單純採用光譜特徵分類的最大似然法。
  13. Pairwise comparisons of uncorrected sequences distances and kimura 2 - parameter distances were calculated and molecular phylogenetic trees were reconstructed by using the neighbor - joining ( nj ), maximum parsimony ( mp ), maximum likelihood ( ml ) methods

    分析了?科魚類s7核糖體蛋白基因內含子2序列，計算了p - distance和kimura2 - parameter遺傳距離，並用鄰接法、最大簡約法、最大似然法重建了?科魚類分子系統樹。
  14. According to the method classification test is done with etm data, and the accuracy is compared with the one of maximum likelihood classifier

    結果表明，利用基於支持向量機的方法進行遙感圖像分類，精度明顯優于最大似然法分類的精度。
  15. Maximum likelihood classification

    最大似然分類
  16. In order to improve the accuracy of remote sensing image classification and compensate the weakness of maximum likelihood classifier, this paper puts forward a new classification method, which is based on support vector machine ( svm )

    摘要為了提高遙感圖像分類的精度，彌補傳統最大似然分類方法所固有的分類時樣本不足的缺陷，提出了一種基於支持向量機、光譜特徵和紋理特徵相結合的遙感圖像分類方法。
  17. The results show that the maximum likelihood classification based on variogram texture and spectral bands can perfectly define the grades of beach sandy land and inner desertification, and the maximal classification precision comes up to 92. 4 %, which proves that geostatistical texture is effective in the application of desertification monitoring

    結果表明，運用變異函數紋理結合光譜波段的最大似然分類方法能夠很好地界定海灘沙地和內陸荒漠地的等級，最高分類精度達到92 . 4 % ，證明了基於地質統計學的影像紋理在實現該地區遙感荒漠化監測方面的有效性。
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