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image scaling
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  图像缩放
     Image Scaling Engine Design for LCD Scaler X-level
     LCD定标器X级图像缩放引擎的VLSI设计
短句来源
     Algorithm of text image scaling based on LCD scaler
     基于LCD定标器的文本型图像缩放算法研究
短句来源
     The principle and hardware implementation of digital image scaling
     数字图像缩放的原理与硬件实现
短句来源
     Image Scaling Algorithm Based on Edge Detection
     基于边缘检测的图像缩放算法
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     Edge adaptive image scaling algorithm
     边沿自适应图像缩放算法
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  “image scaling”译为未确定词的双语例句
     The paper presents a design method of image scaling engine based bicubic interpolation algorithm.
     文章提出了一种基于双三次插值算法的缩放引擎有效的设计方法,并通过FPGA验证表明该设计方法切实可行。
短句来源
     The experiments show that the blind watermarking algorithm is robust in JPEG image compression,image clipping,image scaling and image filtering,especially in wavelet image compression.
     实验结果表明,该算法对JPEG压缩及图像剪裁、缩放、滤波有较好的鲁棒性,特别对于基于小波压缩算法的图像具有很好的鲁棒性。
短句来源
     On the basis of model JPEG in Discrete Cosine Transform (DCT), the present paper presnets, inner-block rearrangement and resampling, by which image scaling and transforming can be realized.
     在离散余弦变换 ( DCT)压缩域中 ,从 JPEG模型出发 ,提出块内重排 /重取样法 ,实现图像的缩放和平移
短句来源
     3) To satisfy the specific requirements of photographic superimposition, we should preprocess the 2D-Photo, including image boosting, image scaling without loss and image adjusting.
     3) 研究了在颅像重合特殊要求下对二维照片进行特定预处理,包括图像增强、图像平滑缩放以及图像校准。
短句来源
     ; Considering the spot survey, we dealt with the ikonos aviation remote sensing image scaling 1: 10000 and the land use plot of Yiwu in 2001 by the GIS software MapInfo5.0. Then we summed those parameters such as quantities, area and perimeter, etc. of the landscape patches.
     利用GIS软件MapInfo5.0对义乌市2001年ikonos航空遥感图像(1:10000)进行处理,结合义乌市2001年土地利用现状图等资料在实地调查的基础上提取了各景观类型图斑的数量、面积、周长等参数;
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  相似匹配句对
     The image
     贫验结果和模拟象符合的较好。
短句来源
     image;
     企业形象研究;
短句来源
     Edge adaptive image scaling algorithm
     边沿自适应图像缩放算法
短句来源
     The principle and hardware implementation of digital image scaling
     数字图像缩放的原理与硬件实现
短句来源
     On Vertical Scaling
     纵向量表制作浅谈
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  image scaling
The extraction is based on simple approaches: image scaling with pixel concatenation into a feature vector, selection of a small number of points from the face area, face image's spectrum, and finally pixel intensities histogram.
      
The image scaling is important in understanding the psychological dysfunctions of patients suffering from spatial cognition problems.
      
A decrease of more than 43% in the fluctuations of the normalised rim/disc area ratio could be achieved using image to image scaling techniques.
      
Scan focus variation during HRT follow-up examinations can influence optic disc parameters, especially when image to image scaling has not been performed.
      
Mean fluctuation of the normalised rim/disc area ratio quotient of the 95th percentile was 0.09 following image to image scaling compared to 0.16 when using individual image scaling.
      
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A new fast algorithm for solutions of fractalblock coding parameters was presented.The relationship between transform coefficents and geometric features of an image was analyzed,and discrete cosine transform (DCT) was used to fix the geometric transform parameter T quickly.The image scaling factor a and gray shifting quantization b were determined through solving an optimum problem.Based on the above algorithm,a fast fractal image coding (FFIC) scheme was completed,and compared with the conventional...

A new fast algorithm for solutions of fractalblock coding parameters was presented.The relationship between transform coefficents and geometric features of an image was analyzed,and discrete cosine transform (DCT) was used to fix the geometric transform parameter T quickly.The image scaling factor a and gray shifting quantization b were determined through solving an optimum problem.Based on the above algorithm,a fast fractal image coding (FFIC) scheme was completed,and compared with the conventional FIC scheme.Experiments showed that FFIC was 6 times faster in compression speed than the conventional coding scheme with a little loss of about 0.5 dB peaksignal to noise ratio.

提出了一种快速求解分形编码参数的新方法.首先分析了图像变换域系数与图像几何特征之间的对应关系,利用离散余弦变换对图像进行分类,快速确定几何变换参数.通过解优化问题快速确定图像灰度比例系数和灰度平移量.实现了基于上述方法的分形图像压缩方案,并与常规方法进行了比较.结果表明,在损失大约0.5dB峰值信噪比的前提下,压缩速度比常规分形压缩方法提高了6倍.

A new approach to camera calibration based on geometric invariants is proposed. Geometric invariants are shape descriptors that remain unchanged under geometric transformations such as projection or viewpoint change. They are widely used in computer vision because they can charaterize a object which is independent of external factors. Camera calibration is the problem of determining the relationship between the 2D image a camera perceives and the 3D information of the imaged object, including the extrinsic...

A new approach to camera calibration based on geometric invariants is proposed. Geometric invariants are shape descriptors that remain unchanged under geometric transformations such as projection or viewpoint change. They are widely used in computer vision because they can charaterize a object which is independent of external factors. Camera calibration is the problem of determining the relationship between the 2D image a camera perceives and the 3D information of the imaged object, including the extrinsic parameters and the intrinsic parameters. The intrinsic parameters characterize the inherent properties of the camera optics, including the focal length, the image center, the image scaling factor and the lens distortion coefficients; the extrinsic parameters of a camera indicate the position and the orientation of the camera with respect to a world coordinate system. In this paper, we propose a new method for computing the extrinsic parameters basing on the results of geometric invariants. Experimental results show that this method is simpler and more robust to noise.

本文给出了一种以空间不变量的数据来计算摄象机外部参数的方法.空间透视不变量是指在几何变换中如投影或改变观察点时保持不变的形状描述.由于它可以得到一个相对于外界来讲独立的物体景物的特征描述,故可以很广泛的应用到计算机视觉等方面.摄象机标定是确定摄象机摄取的2D图象信息及其3D实际景物的信息之间的变换关系,它包括内部参数和外部参数两个部分.内部参数表征的是摄象机的内部特征和光学特征参数,包括图象中心(Cx,Cy)坐标、图象尺度因子Sx、有效的焦距长度f和透镜的畸变失真系数K;外部参数表示的是摄象机的位置和方向在世界坐标中的坐标参数,它包括平移矩阵T和旋转矩阵R3×3,一般情况下可以写成一个扩展矩阵[RT]3×4.本文基于空间透视不变量的计算数据,给出了一种标定摄象机外部参数的方法,实验结果表明该方法具有很强的鲁棒性.

Images are lifelike, specific and directly perceived through the sense. They contain a great deal of information to be regarded. However, a lot of time is spent on transporting image information, when you scan on Internet for information. This paper introduces a novel image scaling technique by multiscale mean values. The images of various spatial resolution are generated by the mean values of blocks in the original image. Combined with wavelet transform for image layered coding gives...

Images are lifelike, specific and directly perceived through the sense. They contain a great deal of information to be regarded. However, a lot of time is spent on transporting image information, when you scan on Internet for information. This paper introduces a novel image scaling technique by multiscale mean values. The images of various spatial resolution are generated by the mean values of blocks in the original image. Combined with wavelet transform for image layered coding gives high compression ratio and increase flexibility. The speed of information downloaded will be accelerated based on this scheme. It will also be convenience for users.

图象具有直观、具体和生动等特点 ,同时 ,包含十分丰富的信息而被人们所重视 .然而 ,利用浏览器在Internet网上进行信息搜索时 ,其图象信息的传输消耗了大量的传输时间 .针对该问题 ,提出了基于多尺度均值的图象分级技术 ,即按分块取均值生成不同空间分辨率的图象 ,并采用基于小波理论的图象分层压缩编码技术来分级压缩编码 ,从而进一步降低了比特数 .传输时可按空间分辨率由低到高的次序进行 ,这样 ,不仅大大加速了信息访问速度 ,同时为用户提供了多种选择的灵活性 .

 
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