digital subtraction 中文意思是什麼
digital subtraction
解釋
數字減影- digital : adj. 1. 手指的；指狀的。2. 數字的，數據的。n. 1. （鋼琴等的）琴鍵。2. 手指。
- subtraction : n. 減去，扣除 （from）; 【數學】減法。
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Intravenous digital subtraction angiography
靜脈注射數字減影血管道鏡術 -
Digital subtraction angiography abbr. dsa
數字式減法血管造影術 -
Methods ： eigty - two normal eyes and 56 eyes with epiphora were investigated with digital subtraction dacryocystography and the dacryocystogram were studied
方法：利用數字減影淚道造影術對82隻正常眼及56隻溢淚眼進行檢查，並對圖像進行分析。 -
Digital subtraction angiography, dsa
數字減影血管造影 -
In the image quantization and enhancement section, the non - linear gray mapping based on histogram specification and the enhancement digital filter in spatial domain is applied to the result digital subtraction images
對于獲得的數字剪影結果圖象採用了規定化直方圖的非線性灰度變換演算法，同時對于結果圖象的增強設計了空域數字濾波器。 -
Objective to observe the incidence of abnormal vascular structures in elderly patients with vertebrobasilar arterial insufficiency ( vbi ) using digital subtraction angiography ( dsa ) and to study the clinical value of dsa
摘要目的應用數字減影主動脈弓及全腦血管造影方法觀察老年椎基底動脈供血不足患者的血管結構異常表現，探討其在臨床上的應用價值。 -
The content mainly involved in the image pre - processing, which includes de - noise and registration on the live image sequence and the mask image, the digital subtraction arithmetic and the image post - processing, which includes the image quantization and enhancement
內容主要涉及數字剪影中造影片序列和蒙片的預處理，包括降噪和配準，數字剪影演算法研究以及數字剪影圖象序列的后處理，包括量化和增強共五個部分。 -
The author has a theory analysis on registration and its limitations, and then provides two schemes, one is manual registration and the other is automatic registration. in the automatic registration, the template registration is selected to deliver the automatic global registration. and the similarity measurement is based on the histogram " entropy of differences - based measures which makes the registration to be robust and efficient for real - time digital subtraction
所以此時需要對剪影圖象中的造影片和蒙片進行配準，本文首先進行了配準的理論分析並且提出配準的局限性，進而實現了兩類配準，一類為人工配準，另一類為自動配準，在自動配準中主要採用了模板匹配法進行整體配準。 -
The dsa image processing system which the author have developed can be used as the image processing prototype model in the digital subtraction angiography system, according to the new arithmetic achieved by software it can be changed to hardware implement to the whole - one dsa system, on the other hand, it can be directly applied to the reconstruction of old x - ray machines to the new dsa system and based on this system, more applications on dsa can be developed
本研究的成果可以作為數字剪影血管造影系統中數字圖象處理部分原型系統，一方面可以根據研究成果和演算法轉化為硬體實現方式應用於數字剪影血管造影dsa一體機中，另一方面可以直接應用於將現有x光機改造成為數字剪影血管造影系統，同時在此系統的基礎上可以開發出更多的數字剪影血管造影的應用。 -
Conclusion dynamic picture angiography with digital subtraction using non - ionic contrast medium under rapid injection is the key for claiming the high quality imaging diagnosis of congenital heart disease in children
結論對于兒童先天性心臟病心血管造影而言，使用動態電影攝片，作數字血管減影，採用軸位成角投照技術，使用非離子型對比劑和快速注射對比劑是取得高質量圖像和理想診斷效果的關鍵。 -
The article reviews the development, application and clinical evaluation of capsule endoscopy and double - balloon enteroscopy, and predicts that endoscopy would improve the diagnosis of intestinal diseases by combining both techniques, if necessary, with addition of digital subtraction angiography
該文闡述膠囊內鏡和雙氣囊小腸鏡的開發、應用和臨床評估，兩者聯合應用，必要時輔以血管造影等檢查，可提高小腸疾病的診斷水平。 -
Dsa x evaluation and routine testing in medical imaging departments. part 3 - 3 : acceptance tests. imaging performance of x - ray equipment for digital subtraction angiography
醫療成象科的評價和常規檢驗.第3 - 3部分:驗收試驗.數字減法血管造影術 -
Identification and characterization of radiological images in medical diagnosis - digital imaging with digital radiography, digital subtraction angiography and computerized tomography
醫學診斷x光片的識別和標識.用數字掃描術數字成像 -
Digital subtraction ct angiography for detection of intracranial aneurysms
血管造影術在顱內動脈瘤中的臨床應用 -
Dsa x evaluation and routine testing in medical imaging departments - acceptance tests - imaging performance of x - ray equipment for digital subtraction angiograp
醫用成像部門常規試驗評定.驗收檢驗.數字減法血管造影術 -
In this paper, the author studies the kernel arithmetic of the digital subtraction image processing in digital subtraction angiography system
本課題對數字剪影血管造影dsa系統中數字剪影圖象處理系統的核心演算法進行了研究。 -
The familiar complications of digital subtraction angiography and their management
術常見並發癥及防治對策 -
The experimental research on the frameless registration based on the digital subtraction angiography
基於數字血管減影的無框架配準演算法的實驗研究 -
The application of digital subtraction angiography in the diagnosis and treatment of the pelcic tumors
血管造影在骨盆腫瘤診斷及治療中的應用研究 -
Image quality assurance in x - ray diagnosis ; constancy testing of systems for digital subtraction angiography
射線診斷用圖像的質量保證.數字減法血管造影系統的
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