旋轉成像 的英文怎麼說
中文拼音 [xuánzhuǎnchéngxiàng]
旋轉成像
英文
rotation tomography- 旋 : 旋Ⅰ動詞1 (旋轉) whirl 2 (用車床切削或用刀子轉著圈地削) turn sth on a lathe; lathe; pare Ⅱ名詞...
- 轉 : 轉構詞成分。
- 成 : Ⅰ動詞1 (完成; 成功) accomplish; succeed 2 (成為; 變為) become; turn into 3 (成全) help comp...
- 像 : Ⅰ名詞1 (比照人物製成的形象) likeness (of sb ); portrait; picture 2 [物理學] image Ⅱ動詞1 (在...
- 旋轉 : revolve; gyrate; rotate; spin ; revolution; revolvement; rotation; circumgyration; circulation
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The fundament of two - dimension imaging for rotating target is discussed
討論了旋轉目標二維成像的基本原理。Compare the spherical aberration of refracted image of the rotational hyperboloid and the spherical surface
旋轉雙曲面和球面折射成像的球差比較First, resistance to geometrical distortion was obtained by using moment normalization ; second, we focus on the phase of fourier - mellin transform. before detecting watermark, synchronization could be retrieved by using the phase information. to eliminate the influence of pixel value distortion generated during print / scan process, a dft - based robust watermark algorithm was designed, which could successfully detect watermark from a severe distorted image
另一種思路是根據圖像經過旋轉、縮放、平移后,其傅立葉?梅林變換域只有相位受到影響的特點,從其相位中提取幾何失真信息,然後再進行相應的失真補償,從而消除幾何失真的影響;對于列印掃描過程產生的像素值失真,本文也提出了一種基於dft的魯棒性演算法,能在較嚴重的圖像失真情況下,成功檢測水印。As the rod turns, led light bounces off different parts of the fingertip, creating a series of linear images that are stitched together to form the fingerprint
在短桿旋轉的同時, led光會從指尖的不同部份彈回來,製作出一系列線性影像,組合在一起就會形成指紋。This equipment utilizing the principal of rtaary focusing, the technique of double barriers and auomatic program, fulfils the breakthrough on high - dose, high precision conformal radiotherapy thechnique. it is integrated with advanced omagine equipment such as ct, mri and pet, and also with the world most advanced 128 guide double - video synchronied electro - encephalographic long - distance monitoring system for evaluation of eepilepsy patients pre - operation, in the operation and after operation. it combines multi - academic branches such as the department of neural medicine, neurosurgery, oncology, radiotherapy and imaginary, to form a combined therapeutic system
擁有世界先進的大型醫療設備旋轉式頭部體部伽瑪刀,該設備利用旋轉聚焦原理雙重屏蔽技術及自動化的治療程序,實現了大劑量高精度適形放療的技術突破,與先進的ct mri pet等影像設備及世界最先進的128導全數字化癲癇術前術中術后定位評估系統實現配套,形成了聯系神經內外科腫瘤科放療科影像科等多學科的綜合治療體系。There is plenty of stitching algorithm by far, but they have some common disadvantages such as bad precision, not able to overcome some disturbing factors such as the difference of lighting between pictures, rotary error happening when shooting
目前雖已有多種圖像拼接演算法,但普遍存在一些缺點,如拼接精度不高,不能克服拍攝時的亮度差異、旋轉誤差等造成的影響。Sichuan gamma knife center is a jointly established high - tech no - ravage medical center by sichuan luzhou mediccal college affiliated 363 hospital with shenzhen aohua medical devices development co, ltd. the center is equipped with the most advanced french - made our - rgs gamma knife, vectra nuclear magnetic resonance imaging device made by ge and other matching or accessorial facilities
四川伽瑪刀中心是由四川瀘州醫學院附屬363醫院與深圳傲華醫療設備發展有限公司共同合作組建的高科技無創傷醫療中心。中心配有最先進的法國生產的our rgs旋轉式伽瑪刀一臺美國ge公司生產的vectra磁共振成像設備一臺,經及相應的配套輔助設備。Because of the equivalence of spotlight sar and rotating target imaging, the impsar pro jection reconstruction theory can be successfully used in spotlight impsar
本文利用點擴展函數推導了旋轉目標成像在360和小角度時的解析度解析表示。For bilateral symmetry objects, the techniques on symmetry - point detection and symmetry - axis extraction are presented based on harmonic conjugation relationship. for rotated symmetry objects, the techniques on rotated units description and rotated symmetry center extraction are presented based on center invariants of objects. further more, by using 3d invariants and 2d projective transformation, an approach to recover shape from part symmetry objects is realized on some conditions
( 3 )深入分析了2d對稱性目標透視成像的幾何特點,將共點四線交比用於目標輪廓上的關鍵點的特性描述中;利用調和共軛關系,提出了一種針對左右對稱型目標的對稱點檢測和對稱軸提取的演算法;利用交比關系構造了目標的形心不變量,提出了一種針對旋轉對稱型目標的旋轉對稱單元判定、旋轉中心提取的演算法;進一步利用3d不變量和2d射影變換,實現了一定條件下的對稱性目標的形狀恢復技術。A variety of methods are used, including static - volume technique and swept - volume technique. the rotational motion swept - volume technique is mainly discussed in this dissertation
真三維立體顯示主要使用的方法有靜態體成像技術和體掃描技術,本文主要研究旋轉體掃描顯示技術。According as time - varying images composing model, simulated 3 - d rigid shift motion and rotation motion in computer, implemented perspective projection and orthographic projection arithmetic, it proved that the result of experiment is accurate
根據時變圖像構成模型,採用計算機模擬了三維剛體運動的平移和旋轉運動,以及透視投影和正交投影下的二維運動構成演算法。實驗結果驗證了演算法的正確性。The capability to endure rotation in depth, and scale and resolution changes makes it an attractive approach to image segmentation
對旋轉、比例和解析度等變化的承受能力,使它成為圖像分割中一個非常有吸引力的信息源。( 2 ) study how to realize camera self - calibration directly from image sequence under special imaging condition ( camera pure rotation )
( 2 )研究了在特殊成像條件(攝像機純旋轉)下直接由圖像序列進行自標定的方法。Wheels creak on their axles, and teeth bite into cogs, and blocks whir in rapid motion, while the next wheel stands as apathetic and motionless as though it were ready to stand so for a hundred years. but the momentum reaches itthe lever catches, and the wheel, obeying the impulse, creaks and takes its share in the common movement, the result and aim of which are beyond its ken
輪軸上的輪發出吱吱的響聲,旋轉的滑輪因為迅速轉動而發出噝噝的響聲,鄰近的輪卻靜止不動,就像它會靜止幾百年似的,但到了開動的時刻,它被杠桿抓住了,於是就聽從運轉規律的支配,轉動時發出軋軋的響聲,融匯成一種它不理解其結果和目的的共同的轉動。It is shown that the spectrum of the backward scattering signal of a rotating target is a slice of the spectrum of the scattering intensity function of the target in the corresponding aspect of the system, weighted by the spectrum of the incident signal
本文簡要分析了目標電磁散射與impsar成像有關的信號模型。經對沖激雷達旋轉目標某一方向的回波信號的分析,得知它的頻譜是目標散射函數頻譜在對應方向被發射信號頻譜加權了的一個切片。Second, based on the theory of synthetic discriminant function, several sub - reference images were synthesized to form the reference image base to realize rotation distortion - invariant recognition, which also solved the ill - problem of synthesizing a single reference image with the whole training distorted images and made the pose estimation easier. third, the phase - encoding and amplitude modulation distortion - invariant jtc for multi - target recognition were described
其次,論文採用綜合識別函數方法構成子參考圖像,建立參考圖像庫的方法解決了目標旋轉畸變不變的識別問題,克服了由大量訓練圖像合成單幅參考圖像時,高頻信息損失嚴重的病態問題,並可實現對真實目標旋轉姿態的估計。A 54 year - old male had been diagnosed with modified tga at age 40, but no surgery was performed. enhanced multislice ct revealed the ascending aorta coursing left of the anterior pulmonary trunk
一名54歲男性患者在40歲時診斷出矯正性大動脈轉位,當時未行手術。增強多層螺旋ct成像顯示升主動脈位於肺動脈前壁左側Recent adances in multislice ct imaging hae reolutionized the exploration of r anatomy, especially for depicting the three - dimensional appearance of noncompaction - like remodeling of the ar in modified tga in addition to transposition of the great arteries
多層螺旋ct成像的發展為右室解剖學帶來了革命,特別是在大動脈轉位以外,能夠給出矯正性大動脈轉位的右室緻密化不全樣重塑的三維表現Recent advances in multislice ct imaging have revolutionized the exploration of rv anatomy, especially for depicting the three - dimensional appearance of noncompaction - like remodeling of the arv in modified tga in addition to transposition of the great arteries
多層螺旋ct成像的發展為右室解剖學帶來了革命,特別是在大動脈轉位以外,能夠給出矯正性大動脈轉位的右室緻密化不全樣重塑的三維表現The finished 2d small - sized plotting software has good plotting function, which could plot not only basic pictures of line and arc, but also all kinds of curves. both mouse and keyboard are used for interface development. in picture function manipulation, there are many options such as moving, rotating, mirroring, copying, deleting and etc., which are convenient for users to build fem geometric model
所開發的二維小型繪圖軟體在繪圖功能上比較完善,能完成從直線到圓弧的基本圖形的繪制,也能完成各種曲線的繪制,可生成復雜的幾何圖形;在人機交互上採用了鼠標繪圖和數據輸入繪圖的完整功能;在圖形功能操作上,實現了圖形的拾取、選擇平移、旋轉、鏡像、復制、拷貝、刪除等諸多選項,方便用戶快速建立有限元幾何模型。分享友人