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图象信息
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  image information
    Extraction of Image Information from Heavy Background Interferences——Image Processing by Simulating the Principle of Visual Lateral Inhibition
    从强背景干扰中提取图象信息——借鉴视觉侧抑制原理进行图象信息处理
短句来源
    Image Information and Optoelectronic Technology
    图象信息与光电子技术
短句来源
    Colour image information is coded into the brightness of the black-and-white TV
    设计一电路,将彩色图象信息编码到黑白CRT的亮度之中,并将其写入液晶光阀,用白光读出,当编码合适时,读出的象颜色可与原图像一致。 本文讨论了这一技术原理并进行了单液晶光阀彩色大屏幕投影的实验验证。
短句来源
    It divides image information into two classes according to spatial frequencies of subbands.
    通过子带分解,将图象信息分为低频带和高频带两层,对低频带采用标准化的运动补偿帧间预测、DCT和变字长编码(VLC),以保持兼容性;
短句来源
    Research on right quality assessment of image is very meaningful in the image information project, but the objective quality assessment of image cannot always be in accordance with human vision.
    图象质量的正确评价是图象信息工程领域内一项很有意义的研究课题 ,但现有的图象客观评价方法并不完全符合人眼视觉特性 .
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  “图象信息”译为未确定词的双语例句
    Develop and application of generalized Rayleign quotient in quaternion
    广义Rayleigh商在四元数体中的推广及其在图象信息融合中的应用
短句来源
    Considering the abstraction of human visual information is an active process, a feedback policy exists in vision channels, a channel model of human vision information abstraction is put forward after the physical undersenses of the parameters of the model are analysed.
    最后,考虑到人类的视觉信息提取过程是一个主动的过程,能根据不同的目的进行决策,即视觉信息通道存在着反馈,在分析模型中各参数的对应的物理意义的基础上,讨论各参数对模型提取的图象信息的影响,提出了具有反馈环节视觉信息提取通道模型。
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    With the development of digital technique and network, the new digital video surveillant system shows its special advantage.
    随着数字技术的迅猛发展,网络技术的不断发展和进步,图象信息的数字编码处理模式的不断增加,使新一代数字视频监控系统日益显示出其独特的魅力。
短句来源
    Information hiding, also calledSteganography, digital watermarking technology and multimedia informationencryption methods provide novel ways to solve these security problems formultimedia information.
    本论文主要探讨有关数字图象信息安全的数字图象加密技术和数字水印技术。 数字图象加密源于早期的经典加密理论,其目的是将一幅给定的图象按一定的变换规则在空域或频域将其变换为一幅杂乱无章的图象,从而隐藏其图象本身的真实信息。
短句来源
    The message to be transferred can be image or text file, and can be hided in the space domain or frequency domain of the image.
    这些要传输的秘密信息可以是文字信息也可以是图象信息,隐藏的位置可以是图象的空间域或频率域内。
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  image information
Measurement and Calculation Methods of a Stem Image Information
      
The paper shows a study on 2-D stem image information collected by a digital camera.
      
Furthermore, the 2-D processing methodology for measuring tree image information simplifies calculating equations and increases calculating speed.
      
Although computer stereo vision techniques for collecting parameters of a single stem shape are comparative, complicated, and expensive, research indicates the efficiently and feasibility of close-range photogrammetry for stem image information.
      
Interpretation of image information for computer calculations
      
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Nonadaptive predictors for intra-frame DPCM coding of TV signals exhibit large prediction errors at contours and edges in pictures. Therefore, they are unfavorable for high detailed pictures with many contours. On the basis of the contour prediction a new adaptive predictor is proposed, whereby flat areas and contours of a picture are processed with different predictors. Only previously transmitted picture elements are used for the adaptive prediction algorithm, so no additional switching information has to...

Nonadaptive predictors for intra-frame DPCM coding of TV signals exhibit large prediction errors at contours and edges in pictures. Therefore, they are unfavorable for high detailed pictures with many contours. On the basis of the contour prediction a new adaptive predictor is proposed, whereby flat areas and contours of a picture are processed with different predictors. Only previously transmitted picture elements are used for the adaptive prediction algorithm, so no additional switching information has to be transmitted. The gain of the new predictor is compared with known nonadaptive and adaptive predictors by means of computer simulations. The comparisons base on quantitative criteria as well as subjective tests. An advantage of the presented prediction algorithm is the considerable reduction of the frequency of large prediction errors in pictures. Compared to other prediction algorithms, this allows a reduction of the transmission rate.

用于电视信号帧内DPCM编码的非自适应预测器在图象的轮廓与边缘处经常导致大的预测误差,因此,它不适用于轮廓及细节丰富的图象。本文在轮廓预测的基础上提出一种新型的自适应预测器,图象的平坦部分及轮廓分别用不同的预测算法预测。预测器的自适应转换只利用前已传送的图象信息,不需向接收端另外传送附加的开关信息。该预测器的性能通过计算机模拟与其它已知的非自适应及自适应预测器进行了客观定量比较与主观试验。所建议的新的预测算法显著地降低了大预测误差的出现频数。与其它帧内预测器比较,采用这一新的预测器可以获得更大的码率压缩。

It is shown that in infrared remote sensing the radiation distribution of ground targets can be well retrieved by the FFT deconvolution techniques. The computercalculated results with various window functions are given and discuased.

本文通过对红外和多光谱扫描物理机理的分析和典型实例计算,证明用快速傅里叶变换解卷积方法处理图象信息,能较好地重现地面目标的真实分布。文中给出采用不同窗函数时计算机处理实例,并对其结果进行了讨论。

This article briefly deals with the application of computer

本文扼要地介绍了把光通信技术和计算机技术组合应用,以光纤为传输介质,组成一个以一根光纤同时传输图象信息、话音信息、文字真迹信息和数据信息等不同业务的综合业务局域网。并叙述了网络的拓扑形式、功能、用途及光端机的构成,计算机的作用等。

 
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