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- Interferogram region spreading technology in spatial domain[J]. 引用該論文 蘇俊宏;陳磊;朱日宏.
- Firstly, Local Walsh Transform (LWT) is defined and generalized in spatial domain to extract local texture information. 首先給出局部沃爾什變換(LWT)的定義,並在空域中對其加以推廣,用以提取圖像的局部紋理信息;
- A digital image watermarking scheme embedded in spatial domain based on BSS (blind source separation) was proposed. 摘要提出了一種基於盲源分離理論的時空域嵌入的數字圖像水印演算法。
- The watermark is designed in a cirque pattern and it is embedded in spatial domain using odd-even quantization. 設計了一種圓環形的水印模式,並在空域採用奇偶量化嵌入水印;
- Simulation results reveal that global stability and creditability of GALILEO are superior to GPS in temporal and spatial domain. 模擬結果表明,在中國大陸範圍內,galileo系統在時間域和空間域上的整體穩定性優於GPS系統。
- A second strand in the super-resolution story,developing in parallel to the first,was based purely in the spatial domain. 中的一個超解析度的故事第二個組成部分,同時向第一個發展中國家,是基於純粹的空間域。
- Image enhancement in spatial domain, the sources include histogram, laplacian, unsharp mask, and spatial filter has been tested. (譯):圖像增強在空間領域,來源包括直方圖,拉普拉斯,銳化遮罩和空間濾波器進行了測試。
- But resampling in the frequency domain will causes replicas occur in the spatial domain if we do not use any reconstruction filter. 但是它會有頻域空間再取樣的問題,導致重疊影像的失真現象,因此濾波器的設計對傅立葉立體資料描繪法是非常重要的研究主題。
- Through the analysis of many representative spatial domain watermark algorithms, a new spatial domain digital watermark imbedding algorithm is presented. 通過對多種空域水印演算法優缺點的分析,提出了一種新的空域數字圖像水印加入演算法。
- From principle, we use the Fourier method to compare the information consistency in the spatial domain and frequency domain for traditional X-ray, CT and Tomosynthesis device. 從原理層面,基於對不同X-ray醫療設備(傳統X-ray,計算機斷層掃描CT,運動成像Tomosynthesis)採集信息完備程度的分析,分別從空間域和頻率域的角度論證了信息完備性程度的一致性。
- It encodes the bitplane of spatial domain image byquadtree encoded, shuffles and selectively encrypts the data according to the structure of quadtree encoding. 對空域圖像位平面採用四叉樹編碼,根據四叉樹編碼的結構特點對數據進行置亂和選擇加密,對加密演算法進行加密數據量分析和安全性評估。
- The study showed that spatial domain filers have difficulties in reserving good edge and texture information at the same time reducing speckles, so they have to make a compromise. 空間域的濾波處理,很難達到在消除相干斑雜訊的同時又能很好地保留邊緣和紋理細節的理想狀態。一般只能在相干斑雜訊消除和邊緣信息保留兩個方面進行折衷。
- Through the analysis of many representative spatial domain watermarking algorithm, a novel image spatial domain blind watermarking algorithm was presented. 通過對多種空域水印演算法優缺點的分析,提出了一種新的圖像空域盲水印演算法。
- The first step, the infrared imageconverted from spatial domain to fuzzy field, then itenhanced by homomorphic filtering, at last, the processed image is obtained. 該方案首先將紅外圖像由空域平面轉換成模糊域(特徵)平面,然後再對其進行同態增強,最終經去模糊得到處理后的圖像。
- With the aids of these estimated directional spectra, outgoing and incoming wave energies in front of the detached breakwater were then separated in the spatial domain. 利用堤前的方向頻譜在方向域里分離向堤和離堤波能量;
- Considering the character of human visual system (HVS) and the actual demand in information protection,this paper describes a method to embed a digital watermark into a digital image in the spatial domain. 根據著作權、版權保護的實際需要 ;結合人眼視覺系統的有關特性 ;探討了數字圖像中數字水印的加入與提取方法 .
- Discrete fourier transform ( DFT) was introduced into the spatial domain signal processing to analyse and process the uniformly spaced linear array signals, and a method to extract the DOA of signal was presented. 將離散傅里葉變換(DFT)引入到空域信號處理中;對等距線陣接收的信號進行了分析和處理;提出了一種提取信號來波方向的方法.
- The method can parallel serial digital image processing algorithms which process digital images on spatial domain and implement partition and allocation of processing task of aerial image. 在系統中應用符合數字圖像處理特點的區域分解并行演算法 ;這樣使在空間域串列圖像處理演算法得到并行化 ;從而合理地對任務進行劃分與分配 ;同時保證各DSP處理機負載平衡 .
- On pedestrian detection and tracking, considering the target to be non-rigid, a new target appearance model containing spatial domain and color information was built based on SACON. 應用於人體檢測與跟蹤時,將目標作為非剛性物體進行處理,結合顏色和空域信息建立一種新的目標外觀模型。
- Considering the problems of copyright from bruiting randomly by the buyers, a spatial domain digital watermarking arithmetic, which can recover destroyed watermark, is introduced in this paper. 摘要針對當前數字圖像被購買者隨意的散播、修改,而造成的版權問題,提出了一種空域水印認證演算法,即使水印信息被篡改,也能夠修復水印信息。