輸入幀 的英文怎麼說
中文拼音 [shūrùzhèng]
輸入幀
英文
incoming frame-
The subject has mainly finished designing and debugging software and hardware of a / d decode module, fpga video processing module, video data frame deposit module, base clock produce module, d / a encode module, i2c bus control module, etc. a / d decode module gathers analog tv signals and realize video decode ; fpga video processing module deals with the data after decoding and produces systematic logic control signal ; video data frame deposit module offers the buffering area to a large n umber of high - speed video data ; base clock produce module through input basic video signal offers system accurate relevant synchronous signal ; under control of video processing module d / a decode module convert digital video data into compound tv signal which can be shown in tv directly ; i2c bus control module is used to initialize the chip of system by simulating i * c bus timing
本課題主要完成了a d解碼模塊、 fpga視頻處理模塊、視頻數據幀存模塊、基準時鐘產生模塊、 d a編碼模塊、 i ~ 2c總線控制模塊等部分軟、硬體設計及調試。其中a d解碼模塊採集模擬電視信號實現視頻解碼； fpga視頻處理模塊對解碼后的數據進行去噪處理的同時還負責系統的邏輯控制；視頻數據幀存模塊為大量高速的視頻數據提供緩沖區；基準時鐘產生模塊通過輸入基準視頻信號為系統提供精確的相關同步信號； d a編碼模塊在視頻處理模塊的控制下把數字視頻數據轉換成復合電視信號供顯示用： i ~ 2c總線控制模塊模擬i ~ 2c總線時序實現對系統中編、解碼晶元的初始化。Further investigated and analyzed composition structure and flow data that dsa ' s formation of image is systematic at first in this paper, carried on intact summing up to the data in the system, having given out the plan of design of high speed and large capacity data channel of digital formation of image system of x - ray ; deeper discussion of control way on sdram, give solution that many pieces of sdram works togetherses of realizing heavy capacity, designing of heavy capacity deposit board realize storing at a high speed to vision data by frame on the basis of this ; through further investigations of interface of pci bus, optimize back end state machine design and urge procedure making with lower, giving intact pci interface scheme that realize high speed dma data transmission and satisfy request of video transmitting ; further investigate the figure systematic design method of programmable logic devices, due to the difficult point of drifting about of enabled signal in fifo in common use and setting up and keeping of output signal, method has been proposed of improving stability of system making use of signal utilizing the phase locking ring in fpga to offer a lot of clocks to move thus realize coordinating the data between every module of system to transmit at a high speed by making use of fifo
本文首先對數字減影血管造影（ dsa ）成像系統的組成結構和數據流向進行了深入研究和分析，並對系統中的數據流向進行了完整的歸納和總結，給出了x線數字成像系統中的高速大容量數據通道的設計方案；在對sdram的控制方式做了深入探討后，給出了實現大容量多條sdram共同工作的解決方案，在此基礎上設計了大容量幀存板實現對圖象數據進行高速存儲；通過對pci總線介面的深入研究，優化後端狀態機設計和低層驅動程序開發，給出了完整的pci介面方案實現高速dma數據傳輸，完全可以滿足視頻傳輸要求；深入研究了基於大規模可編程器件的數字系統設計方法，針對通用fifo使能信號漂移、輸出數據難于建立和保持等設計難點，提出了利用fpga中的鎖相環提供多個時鐘相移的信號來提高系統穩定性的解決方案，從而實現利用fifo來協調系統各模塊之間的數據高速傳輸。And the solutions of the three problems above are discussed : the solution to the simulcast interfering which is caused by the simulcast delay spread ( sds ) and the zero - beating is given in chapter four. based on the well understanding of the principle of ms - i / h / 0 in ipnp, the examples are given in chapter five on how to solve the problem of communication interruption between paging zones. through the analyse of signal switching between chengdu and deyang, the synchronization error between flex frames, and the bug in the multi - frequency roaming principle are pointed out
通過以上分析，文章探討了對上述三個問題的解決： ?對同播干擾問題，分別分析了時延差和零拍頻所造成同播干擾的客觀存在，探討了系統設計和網路優化的基本方法； ?對ipnp聯網障礙，提出了在掌握ipnp對各pncc作為輸入局歸屬局?輸出局（ ms ? i h o ）的靈活定義、以及相關參數配置原理的基礎上，分析聯網障礙的思路； ?對信號切換障礙，以成都和德陽兩地的局部廣域覆蓋為例，分析了flex幀失步和flex多頻漫遊原理設計缺陷的客觀存在，並探討了相關的解決方法和建議。It eliminates the need for agent blocks to have specific knowledge of ram array behind it. it takes care of protocols and latencies in an effort to simplify memory access by the agent blocks. agent blocks " see " a single linear frame buffer, all paging and bank swapping is handled by the and is transparent to the agent blocks
在嵌入式系統晶元中高速存儲器介面控制電路是系統必不可少的重要組成部分，由於有了存儲器介面的存在，使得系統內部客戶模塊不必專門了解存儲器本身的復雜特性，而只需關心傳輸協議和一些定義的遲滯參數，在客戶看來存儲器僅僅是一個線性的幀緩沖器，所有的換頁、區段切換都交由介面電路來處理，從而大大簡化了客戶對存儲器操作的復雜度。The main technique of solid state memory system include the techniques of design for reliable and lower power dissipation and valid data sampling, data framing and encoding, data storing and retrieving on high speed, data disturbing and frequency difference processing
星載固存系統設計的主要技術包括可靠性設計、低功耗設計、有效數據采樣、數據組幀編碼、數據高速存儲及回放，數據加擾，輸入輸出頻差兼容設計等技術。The input data of the multiplexing adopts 8 channels with the speed of 2mb / s, and those of the last two channels are " 0 " and " 1 " respectively, in order to improve the transimision effeciency and deminish the complexity of encode and electronic circuit concerned, furthermore, it makes the synchronous signal acquisition more easier
數字復接中採用八路2m口數據輸入，其中后兩路採用直接輸入「 0 」碼或「 1 」碼的方法，提高了信息傳輸的有效性，便於提取幀同步碼，降低了編譯碼過程的復雜性，同時也降低了系統的電路復雜程度。Only when the frame reaches its " egress port ", where it heads for its destination end station, does the egress switch or router make the final 802. 1qdecision, namely, which egress port to use to ensure that the frame reaches the vlan to which it ' s headed
只有當輸入幀到達了它的「出埠」時（在此處輸入幀通向目的地端站） ，出口交換器或路由器才作出最後的802 . 1q決定，即使用哪個出埠以確保輸入幀到達它想到的vlan 。Embedded technologies, multi - way technologies and sampling technologies are used to reduce the sampling rate by software, so that the system can provide appropriate image format according to the condition of network and can eliminate aliasing noise. the system also uses motion detection to control the frame rate. therefore, the system can save transmission bandwidth effectively and design to provide multiple degrees qos according to the network condition
本方案採用了嵌入式技術和多路技術，並從采樣技術入手，軟體調整采樣率，使得系統能夠根據網路狀態提供適當格式的圖像，消除欠采樣噪聲，而且通過運動檢測來控制幀率，從而可以有效地節省傳輸帶寬，達到根據網路情況自適應地提供多種qos服務等級的目的。Hf manet is a kind of manet that uses short wave channel as the physics medium. mac layer protocols are the core of hf manet to become a network. link layer protocols mainly research on medium access protocol, mac address, automatic link establishment technologies, protocol data structure and data transmission protocol
鏈路層協議是短波自組織網技術的核心，其主要研究為通道接入協議、鏈路層地址標識、自動鏈路建立、協議幀格式及數據幀傳輸協議等。3 standard adopted in ethernet designates 368 bits minimum data field size in mac fraae, filling bits will be loaded if data length is shorter than 368 bits, which causes extra spending. on the contrary, the naxiaub process data length in iec 61375 - 1 is only 256 bits. ( 2 ) actual ethernet rate may be lombps, loombps, looombps, which is far higher than 1vl consequently it is likely that csma / cd fulfill functions of mvb polling strategy
3標準指定的mac幀最短數據域長是368位，不夠時應裝入填充比特，造成不必要的開銷，而iec61375 - 1規定的最短過程數據僅為16位，最長不過256位； （ 2 ）由於歸一化速率為1mbps ，而實際的ethernet傳輸速率遠遠高於1mbps 。The dissertation have made a pioneer study on moving picture acquirement, straw object extraction and moving object tracing in the heavy clutter situation of imbalance lighting, camera and straw moving simultaneously with several similar moving objects on mass background, and obtained following achievements : 1. a capturing system for moving pictures is developed, which could capture and save pictures in real time. the special emphasis is on solving the lost frame problem during images transmitting caused by low transmitting speed of peripheral equipments
針對拍攝時攝像機與秸稈同時發生運動、光照不均、秸稈圖像背景復雜、凌亂、運動物體多等特點，論文對運動圖像採集，秸稈目標提取，目標跟蹤問題進行了較深入的研究，並取得了如下成果： 1本文研究了運動圖像的採集問題，開發了運動圖像採集系統，著重解決了圖像傳輸中由於計算機外設速度跟不上圖像採集速度產生的丟幀問題，實現了運動圖像的實時採集和保存。Its low memory requirement and flexible algorithms in complexity are particularly suited for real - time implementation. the third technique is odd and even packetization suited for real - time implement in internet. if odd and even packetization technique cooperate with error concealment and error tracking, the video will achieve good vision quality
此外，如果將一幀數據的奇序號gob和偶序號gob分別放入不同的數據包（奇包與偶包）在基於ip的網路上傳輸，即使發生丟包的情況，重建數據也能獲得較好的視覺效果。When the egg - reached signal is sent to pc, through i / o card, the pc drives the video card to capture one frame picture to ram. after a series of mathematical analysis, the pc send the yolk color ' s or egg size ' s grading signals to outer signal delayed controller by i / o card again. last, the controller sends the delayed signals to outer execute equipment to finish classifying
蛋已到達光室的控制信號由數字量i o卡輸入到計算機；計算機通過對埠的查詢獲知這一信號后立刻驅動圖像採集卡將當前光室中的一幀圖像採集到主機內存中，進行相應的計算分析后將光室中鴨蛋蛋芯顏色或大小分級信號再經由數字量輸入輸出卡，送至外部信號延時控制器；控制器將此信號延時後送至外部執行機構，完成分級動作。It runs smoothly at 15 fps for 320x280 images on p4 1. 4ghz pc. this thesis also analyses and discusses about two nonlinear dimension reduction methods : lle and isomap
當視頻輸入大小是320 280 ，每秒15幀；該系統可以平滑地在p41 . 4ghz的計算機上運行。Aims at application, we mainly discuss face detection in two circumstance. ( 1 ) in the gray image, we use difference image in multi - frames, then get the edge of the face, we make the raw - location to ensure the approximate position of the face, next, we use the template of the face to occlude the pseudo face region and get the region which near the exact face region. ( 2 ) use method of two template matching, first, we get the face template from many face average, second, we copy the eye section of the face template then get the eye template
文中首先介紹了圖像預處理的各種方法，重點介紹了圖像分割和人臉檢測定位，針對實際應用的要求，著重處理了兩種情況的人像檢測定位： （ 1 ）在灰度圖像下對連續輸入的多幀進行差分，對于得到的邊緣進行處理初步確定人像的大概位置，然後採用模板匹配進行精確定位。 （ 2 ）應用雙模板匹配的方法，由多人臉平均得到人臉模板和眼睛模板，在檢測中採取了首先使用尺度相對較小的雙眼模板搜索候選人臉，再用人臉模板匹配進一步篩選候選人臉的方法。This paper analyzed p - persistent csma / cd protocol and proposed a new adaptive algorithm for the adjustment of the coefficient p by real - time channel traffic sensing based on the feedback control theory, i. e., changing the value of p dynamically through the analysis of networks " flow to control the behavior of the stations sending data frames in the same collision domain, to keep the media channel in an optimal state and to enhance the channel transmission efficiency
該演算法基於對網路流量的分析，在osi物理層通過通道信息量的在線實時檢測，根據反饋控制的原理，在數據鏈路層動態地調整控制輸入參數p ，從而控制站點發送分組數據幀的行為，使通道處于最佳的傳輸狀態，提高通道的效率。The multi - band chmm system is composed of several sub - bands and a full - band. we derive appropriate feature for each band and train independent recognizers for each subbband region. then, we use bpnn to make the final decision by combined all chmm system ’ s outputs and frame average energy
多帶chmm系統由若干個子頻帶和一個全頻帶組成，系統對子帶和全頻帶的特徵分別進行訓練， chmm系統輸出與音頻信號幀平均能量共同作為bp神經網路的輸入，並利用bp神經網路進行後端融合和判決。The system also includes a wavelet calculating module and a buffering module which is designed to transpose the storage. these two modules enable the system to calculate directly during carrying out the wavelet - transform without buffering the whole frame of image
轉置存儲模塊的功能是使得輸入數據無需等到整幀圖像傳完便可以進行小波變換計算，從而大大縮短數據從輸入到輸出所需要的延遲時間。Nios ii soft core fulfills endpoint detection, feature extraction, discipline, recognition, input control and output display, etc. the audio signal feature, in this scheme, is the lpc mel cepstrum coefficient ( lpcmcc ) and recognition algorithm is dynamic time warping ( dtw )
由fpga硬體完成對音頻數據的預加重和加窗分幀處理等，由niosii軟核執行端點檢測、特徵提取、訓練建模、識別匹配、輸入控制和輸出顯示等。系統提取的音頻信號特徵為線性預測美爾倒譜系數（ lpcmcc ） ，採用動態時間規整（ dtw ）的識別演算法。The image data are stored and exchanged under an " interruption & dma " parallel mechanism, which can run simultaneously with dsp unit. two different voltage power resources are provided for the whole system, which are watched by one surveillance circuit. system anti - jamming and system optimization measures are added into system for future circuit debug
視頻採集單元採用philipssaa7111及fpga晶元，以標準視頻信號（ pal或ntsc ）為輸入，通過fpga及i2c總線，對圖像數據進行剪裁及採集；採用兩幀存儲體輪換工作機制，省去fifo器件，降低成本；採用"交叉連續"地址存儲空間，便於dsp進行dma傳輸。分享友人