視覺密度 的英文怎麼說
中文拼音 [shìjiàomìdù]
視覺密度
英文
visual density-
Verification regulation of diffuse transmission visual densitometer
漫透射視覺密度計檢定規程Micrographics - duplicating film, silver, diazo and vesicular - visual density - specifications and measurement
縮微攝影技術銀鹽重氮和微泡拷貝片視覺密度技術規范和測量In the application of mini - micro - robot visual perception, there is a need for fish - eye lenses for capturing wide field of view for navigation. though fish - eye lenses provide a wide field of view ( 180 ), they introduce significant distortion in images and the acquired images are quite warped, which makes conventional camera calibration algorithms no longer work well. this paper presents an accurate calibration framework for fish - eye lens ( a high distortion lens ) camera stereo vision system. the accurate calibration model is formulated with radial distortion, decentering distortion and thin prism distortion based on the fisheye deformation model. using fish - eye and non - linear camera model, the author employs levenberg - marquardt method to realize precise non - linear calibration for wide - view - scene dense depth image recovery
魚眼鏡頭成像立體視覺系統在微小型機器人視覺導航和近距離大視場物體識別與定位中有著廣泛的應用.盡管魚眼鏡頭攝像機具有很大的視場角（接近180 ） ，但同時也引入嚴重的圖像變形，常規的攝像機標定方法無法使用.該文提出一種標定魚眼鏡頭攝像機立體視覺系統的方法.在魚眼鏡頭變形模型的基礎上，通過考慮魚眼鏡頭成像的徑向變形、偏心變形和薄棱鏡變形，建立了魚眼鏡頭成像的精確成像模型，然後，利用非線性迭代演算法，精確求解攝像機外部參數、內部參數.實驗表明，使用該方法得到的立體視覺系統參數滿足精確恢復大場景稠密深度圖的要求The color sensitivity of normal human vision is rarely surpassed even by sophisticated technical devices
普通人類的視覺感受色彩的靈敏程度，甚至連精密的技術裝備都很難超越。The comprehensive seeding accuracy testing method proposed in this dissertation to test performance of precision seeder, grain drill seeder, hill - drop planter, seeding monomer, and seed sowing device is an integrative one with technology of computer vision, patter recognition, and automatic control
本文提出的適用於精密播種機、穀物條播機、穴播機，及排種器等多類型播種機具的播種精度檢測方法，是集計算機視覺、模式識別、自動控制為一體的綜合技術。Veneer dyeing can improve wood visual characteristics and imitatethe color and luster of precious wood species, to increase the decorative effect. the veneers of hardwood species such as % populus tomentosa, paulownia elongata % were adopted to make dyeing experiments by using acid dyestuff. the result shows : the acid dyestuff in textile industry could be used in wood dyeing process. compound dyeing can be adopted by using the mixture of several kinds of dyestuff. the different treatment methods before the wood was dyed affects the dyeing effect of wood. there is a great difference in the deformed degree of dyeing veneers, smooth level has a relation with wood density. the density of dyestuff, dyeing time and dyeing temperature and so on have many influences on dyeing effect. different technological process has been used in veneers of different wood speicies
木材單板染色有利於改善木材視覺特性，可以實現模仿珍貴樹種木材的色澤，提高裝飾效果.該研究選取毛白楊和泡桐等闊葉樹種木材單板採用酸性染料進行染色實驗，結果表明：紡織工業用酸性染料可用於木材染色，也可以採用幾種染料混合復合染色；木材染色前的不同處理方法影響木材的染色效果；染色單板的變形程度有較大差異，平整度與木材密度相關；染料濃度、染色時間和染色溫度等對染色效果有較大的影響，不同樹種單板應採用不同工藝Although the intelligentized variable herbicide machine sprays herbicide according to the results of weed - sensing, the herbicide can not be compounded while spraying
智能化的變量噴藥機能夠做到利用計算機視覺技術實時根據雜草的生長密度變量噴灑藥液，但是藥液的濃度配製還不能實時進行。In order to meet the needs of this application, we propose several approaches to compute reliable dense depth maps, such as a feature - constrained stereo matching algorithm, a stereo matching algorithm based on gray segments and a stereo matching algorithm based on fuzzy identification, we demonstrate these techniques on synthetic and real image pairs, indicating that these approaches are feasible
圖像深度提取一直是計算機視覺領域的中心研究問題，為了得到圖像繪制系統必需的比較精確的高密度深度圖像，我們相繼提出了基於特徵約束的立體匹配演算法、基於灰度段的立體匹配演算法和基於模糊判別的立體匹配演算法，通過實驗驗證上述三種演算法均獲得了良好的效果。In the study of cities, the study of beijing made by the students from the architecture research center of beijing university and the gsd, harvard university directed by zhang yonghe, provided us a unique approach to knowing the city, the historic evolution of main layout, the visual reading of city nodes and ring roads and the possibility of developing city density
在城市研究中，由張永和指導的北大建築學研究中心和哈佛大學設計學院的學生們所做的北京城市研究，分別從主要建置的歷史演變、城市節點與環線的視覺性閱讀、城市密度發展的可能性等方面，為我們提供了城市研究的獨特方法。Choose a suitable location for density residential blocks to minimise the negative visual, noise and air quality impacts
地點高密度住宅大廈的選址，應該以盡量不造成負面的視覺、噪音和空氣質素影響為佳。There have been a mass of research documents showing that many visual functions deteriorate with age both for human beings and for animals. age - related visual function decline could not be completely attributed to optical and retinal changes. considerable visual impairments in the old might result from morphological ( such as cell loss, dendritic change and synaptic density decrease ) or functional ( such as weakened gaba inhibition ) degeneration of visual pathways. in this article we made preliminary studies on the mechnisam underlying visual function degradation by electrophysiological and morphological methods
隨著年齡的增長，人及動物的許多視覺功能出現衰退，老年性視覺能力降低並非完全由眼的光學因素和視網膜形態、功能變化導致，不少方面可能決定於衰老引起的視覺中樞結構（如神經元丟失、樹突野改變及突觸密度下降等）和生理功能（如皮層內gaba能抑制作用減弱等）的改變。With the development of microelectronic products ( integrated circuit, printed circuit board, etc ) directing to high density, thin separation and low defect ratio, its inspection requirement is higher on aspects of precision, efficiency, universal, and intelligence etc. therefore, this paper researched on the general key techniques in the field of microelectronic products vision inspection, covered the shortage of traditional inspection on aspects of fast and precision locating, image mosaic, and fine defect test, completed theory study on physical dimension and defect inspection of microelectronic products based on machine vision, developed the prototype and used lots of experiments to prove its correctness and feasibility
隨著微電子產品（集成電路晶元、印刷電路板等）向著高密度、細間距和低缺陷方向發展，對其檢測技術在精密、高效、通用和智能化等方面提出了更高要求。由此，本文對微電子產品視覺檢測中的關鍵技術進行研究，彌補了傳統檢測在精確快速定位、圖像全景組合和精細缺陷檢測等方面的不足，最終完成基於機器視覺的微電子產品外形尺寸和缺陷檢測的理論研究和樣機研製，並進行了大量實驗證明其正確性和可行性，力圖為我國自主創新的微電子產品視覺檢測技術提供理論和實際借鑒。This lesson a thought, emotion for from the sense of vision and sense of hearing angle special subject discussing, from hearing " beautiful " write " in beautiful " see " in beautiful " read " beautiful " four aspects, close combination chinese language speech literalness beautifully, paying attention to phoneticly appreciating beauty physiology, mental state mechanism, hard scooping out saving in writing layer below is worth a with the art of the depth that writing assembles, making the treatise of the system to purpose, contents, request, operation. . etc. that hear, read, see, wrote the " beautiful " completely
本課題從視覺與聽覺角度專題論述，從聽「美」讀「美」視「美」寫「美」四個方面，緊密結合漢語言文字的美，關注語言的審美生理、心理機制，努力開掘潛存於文字層下面的思想、情感與文字組裝的深度的藝術價值，對聽、讀、視、寫「美」的目的、內容、要求、操作等作了較全面系統的論述。According to the feature of the human vision, we present the hiding methods based on image variance, image flatness measurement and fuzzy classification, respectively. and the techniques based on relationship between pixels, difference matrix and cryptography are also given. two hiding methods, backup hiding and camouflage hiding, are proposed too
在空間域內，利用人的視覺特性，本文提出了基於圖象方差、圖象平坦測度和基於模糊分類的隱藏演算法，同時提出了基於關系、基於差值矩陣和基於密碼演算法的隱藏方法，並提出了備份隱藏和偽裝隱藏兩種隱藏方案。Each viewshed develops in different form or density without necessarily affecting visual environment in the adjacent viewsheds
這些景色帶的發展外形或密度雖然互不相同，但在視覺上沒有互相造成不良影響。Except that, many problem can " t be solved, such as the conflict of ccd " s high resolving power and big vision field, how to control the automatic gathering of pcb " s image using master and slave computer parallel structure, how to inspect the defect of pcb such as width of circuit, distance of circuit, losing circuit and so on. the research aim at how to combine computer vision, precise machine, automatic control with image process, at how to resolve the contradiction between high resolving power of image gathering and wide vision field, at how to realize automatic mosaic of image, at how to realize precise orientation of two dimension worktable, at how to realize communication between master computer and slave computer, and at how to inspect the defect of line width, line distance and losing
除此以外，還有ccd高解析度和大視場之間的矛盾，上下位微機并行系統如何控制印刷電路板圖像自動採集，印刷電路板的線寬、線距和丟失線條等缺陷如何檢測等問題還懸而未決，本課題將就如何結合計算機視覺技術、精密機械技術、自動控制技術和圖像處理技術，如何解決圖像採集高解析度與大視場之間的矛盾，如何實現圖像的自動拼接，如何實現兩維工作臺的精確定位，如何實現上下位機的準確通訊，如何檢測線寬、線距缺陷和丟失線條等問題展開重點研究。The computer vision and image processing technology being used in the exact measurement is a new method, and it has many good points such as : high precision and efficiency
在精密測量中採用計算機視覺以及圖象處理技術是一種比較新的方法，它擁有其他方法所不具有的優點：檢定精度、效率都較高。2. for the composing of pcb test system and the property of equipments, we study to choose the super - resolution ccd ; how to integrate computer visual technology, accurate machine technology, autocontrol technology and image process technology ; how to solve the conflict between high definition and wide visual range ; how to accomplish image automatic joint ; how to implement accurate orientation of three - dimensional work flat. we put emphasis on topics
2 、針對pcb板檢測系統的構成及其設備的性質、特點，就高解析度光學攝像傳感器的選擇進行了調研;如何結合計算機視覺技術、精密機械技術、自動控制技術和圖像處理技術;如何解決高解析度圖像採集與大視場之間的矛盾;如何實現圖像的自動拼接;如何實現三維工作臺的精確定位等問題展開了重點研究。According to the features of precision, efficiency, inspection dimension and accuracy varying great range, designed closed - loop control system composition of servomechanism and grating to assure system ’ s precision, smooth, efficiency, and to realize the great dimension range measurement ; designed image capture system composition of ccd, automatic variable power lens and self - adaptive lighting, to realize integration of large inspection precision range ; designed electric control and software system to make the inspection convenience and fast. finally, developed the prototype instrument
針對微電子產品視覺檢測的精密、高效、檢測精度和測量范圍變換大的特點，設計了伺服驅動、精密光柵採集組成閉環控制系統以保證運動精密、平穩、高效，和大的尺寸測量范圍;設計了由ccd攝像機、大范圍自動變倍鏡頭和自適應光源組成的圖像採集系統，集不同精度等級的檢測於一體;設計了電氣控制和軟體系統使檢測方便快捷。Test method for specific optical density of smoke generated by solid materials
通過固體材料對煙霧產生的特定視覺密度的試驗方法分享友人