dwt.
美
英 
- na.【船】同“deadweight ton”;“dwt.”的變體
英漢解釋
例句
Gina almost killed us driving over here, she was DWT. I finally grabbed the phone out of her hand before we wrecked.
來的路上吉娜差點害死我們,她邊開車邊發(fā)簡訊。后來我從她手里把手機搶過來,還避免了車禍。
With a little shift between images, the fusion result base on DTCWT methods is much better than DWT.
在圖像有較小位移情況下,基于DTCWT算法的融合結(jié)果要比DWT好得多,融合效果較好。
since the dwt coefficients have the property of energy conservation in the low frequency part , it is suitable for data compression.
由于小波轉(zhuǎn)換后的系數(shù)呈現(xiàn)能量集中低頻的特性,非常適合影像資料壓縮的前處理。
The DWT is a time frequency analysis technology, which detects the subtle small changes in the target spectrum.
離散子波變換具有時頻分析特性,能將信號的細微變化反映出來。
To complete our discussion of the DWT, let's look at how the wavelet coefficient matrix is applied to the data vector.
作為我們對DWT的討論的最后一部分,我們看一下怎樣把小波系數(shù)矩陣運用于數(shù)據(jù)向量。
In fact, the chip implementation of 2D DWT is that of a set of biorthogonal wavelet FIR filters.
2DDWT的硬件實現(xiàn)實際上是一組具有有限沖擊響應(yīng)的雙正交濾波器(FIR)的實現(xiàn)。
Prepacked aggregate concrete which is a new technique has been used in the bed plate of Zhongyuan 60000 dwt Dock.
中遠船塢底板采用預填骨料升漿砼新工藝。
To avoid errors during the image DWT decomposition and reconstruction, we adopt lifting and integer DWT is also be used.
為了避免在圖像小波分解及重構(gòu)的過程中產(chǎn)生誤差,本文采用了提升和整數(shù)小波變換。
Finally, after the two split signals were embedded into the image block of the DWT and SVD domain.
最后,將這兩個分割后的信號分別嵌入到圖像塊的DWT和SVD域中。
The discrete wavelet transform ( DWT ) has been applied to signal processing systems.
離散小波變換已廣泛應(yīng)用于信號處理中。
To identify the obtained response time series, a discrete wavelet transform (DWT) technique was proposed.
對于所獲得的響應(yīng)時間序列的識別,建議了一種離散小波變換(DWT)的技術(shù)。
This paper presents a existing kind of semi-fragile watermarking authentication algorithm based on the DWT (Discrete Wavelet Transform).
提出了一種基于離散小波變換的半脆弱水印認證算法。
A DWT Blind digital watermarking embedding and detection method by trembling 3rd-order DWT coefficient of low frequency energy is presented.
提出了一種DWT數(shù)字盲水印的嵌入和檢出方法,該方法利用均值抖動的嵌入原理對三階DWT變換后的低頻能量系數(shù)進行水印的嵌入。
This paper is organized as follows: A brief review of Discrete Wavelet Transform (DWT) and wavelet filter banks are provided in section II.
本文安排如下:簡要回顧了離散小波變換(DWT域)和小波濾波器銀行第二節(jié)。
In this paper, a visible watermarking algorithm is carried out in DWT domain based on mask effect to noises of original image.
根據(jù)可見水印性質(zhì)和載體圖像的噪聲掩蔽性在小波域進行可見水印算法的研究。
An efficient face recognition system is designed by using Discrete Wavelet Transform( DWT ), Principal Component Analysis(PCA) and WMMC.
并設(shè)計了一個基于離散小波分解、主成分分析和加權(quán)最大類間邊緣準則的人臉識別系統(tǒng)。
Calibrated against a DWT by always utilizecalibrated pressure gauges for pressure testing authority.
福爾湃克永遠只使用校正后的壓力表進行壓力測試。
In the detecting step, the moving objects are segmented with the third level DWT (discrete wavelet transform) and background difference.
在檢測部分,采用第三級離散小波變換和背景差分進行了目標分割。
An algorithm based on discrete wavelet transform( DWT ) and wavelet packet decomposition(WPD) for speech enhancement was presented.
提出了一種基于離散小波變換(DWT)和小波包分解(WPD)的語音增強算法。
An audio digital watermark algorithm based on DWT(Discrete Wavelet Transform) and DCT(Discrete Cosine Transform)is presented.
提出了一種將離散小波變化與離散余弦變換相結(jié)合的音頻數(shù)字水印技術(shù)。
This paper proposes a method of digital watermarking algorithm based on DWT domain for secrete information hiding in remote sensing image.
提出了一種離散小波(DWT)域數(shù)字水印用于遙感圖像的機密信息隱藏的算法。
Recently, image compression algorithms based on Discrete Wavelet Transform( DWT ) emerge in plenty.
近來,基于小波變換的各種壓縮算法大量出現(xiàn)。
Firstly, a watermark was embedded in low band of DWT domain according to the conceal quality of human visual system (HVS).
該算法根據(jù)人類視覺系統(tǒng)的特性,將水印自適應(yīng)地嵌入圖像小波域的低頻子帶。
A novel frame integral algorithm based on discrete wavelet transform (DWT) for image enhancement is proposed in this paper.
本文研究了基于小波變換的圖像幀積分技術(shù)及其在圖像增強處理中的作用。
Howover, the DWT is a kind of float-point wavelet transformation that it cann't precisely reconstruct the original picture.
但是,由于離散小波變換是一種浮點小波變換,難以精確的重構(gòu)原始圖像;
By randomize secret information with chaotic sequence, this thesis introduces a new algorithm based on lift and integer DWT.
本文提出了一種基于整數(shù)小波變換和混沌理論的信息隱藏算法。
Finally, on the basis of studying single digital watermarking, proposes a double digital algorithm based on SVD and DWT.
最后,在研究單數(shù)字水印的基礎(chǔ)上,提出了一種基于SVD和DWT的雙數(shù)字水印算法。
this needs undistorted boundary data . thus , it is significant to realize 2 - d dwt in image processing efficiently.
因此,在圖象處理中有效地實現(xiàn)二維離散小波變換具有重要的實際意義。
A content-based watermarking model based on discrete wavelet transform ( DWT ) is presented.
提出一種小波域基于圖像內(nèi)容的局部化自適應(yīng)數(shù)字水印算法。
In this paper, a chaotic encrypted image digital watermarking algorithm based on DWT domain is proposed.
提出了一種基于混沌加密的頻率域數(shù)字圖像水印新算法。
Lastly, an self-adaptive digital image watermarking scheme based on hybrid DWT-SVD domain is proposed.
最后,論文提出了一種基于離散小波變換和奇異值分解的自適應(yīng)數(shù)字圖像水印算法。
A color image watermarking algorithm based on LAB color space and DWT are presented to prevent the electronic product print from pirating.
為了解決電子產(chǎn)品印刷盜版的問題,提出了基于LAB色彩空間和DWT的彩色圖像數(shù)字水印算法。
Two dimensional discrete wavelet transform (2D DWT) is the core of JPEG2000 image compression systems.
二維離散小波變換(2DDWT)是JPEG2000圖像壓縮系統(tǒng)的核心。
A kind of method of two-level signature verification based on discrete wavelet transform( DWT ) was introduced.
介紹了一種利用離散小波變換提取特征的二級簽名認證方法。
This article proposed a blind digital audio watermarking algorithm based on the DWT .
提出了一種基于離散小波變換的數(shù)字音頻水印盲檢測算法。
A novel robust image watermarking algorithm based on ergodic matrix and DWT is proposed.
提出了一種基于遍歷矩陣和DWT的圖像魯棒水印新算法。
About 16. 5 million dwt of new dry bulk cargo ships were delivered in January to July this year.
今年1-7月,新增干散貨運船只約有1,650萬載重噸。
In this paper, a novel fragile watermarking scheme based on HVS in DWT domain is proposed.
基于小波變換,結(jié)合量化調(diào)制過程,論文提出了一種易損水印算法。
The 301, 000-dwt Cosmic Jewel (built 1997) sailed just after midnight on Monday, the tanker owner confirmed to TradeWinds.
船東向貿(mào)易風(TradeWinds)確認,建造于1997年的301000噸載重噸的CosmicJewel號已于周一午夜晚些時候起航。
Compared with those methods based on DFT and DWT, it is more efficient in theory and experiment.
與基于DFT、DWT的搜索方法相比,該方法在理論分析和實驗結(jié)果上都顯示出較高的效率。