subimage
英
美
网络 子图象; 子图像; 子影像
双语例句
- Utilizing the human visual texture masking and luminance masking models, watermark is embedded into the largest coefficient of third level detail subimage.
利用视觉系统的纹理掩蔽及照度掩蔽特性，在第三级细节子图块的最大系数中嵌入水印信号。 - In this algorithm, we selected the sample-standard-deviation as the key quantization threshold in every wavelet subimage.
该算法以小波子带图像样本标准差为选择量化编码阈值的重要依据。 - When we want to look up a target on the image, we first browse the lowest resolution subimage ( LL subimage) and locate mesh which the target belongs to.
检索时，先从图象的最低分辨率子图象（即LL子图象）的预览开始，一旦发现目标，则锁定目标； - Firstly, discrete wavelet transform ( DWT) was applied to one subimage extracted from the original image according to one chaotic sequence label and multiple independent chaotic watermark signals were generated and embedded into the middle wavelet frequency coefficients adaptively.
首先根据一个混沌标签序列从原图像中抽取一子图像，并对其进行小波分解，然后将多个互相独立的混沌水印信号依次嵌入到子图像的中频小波系数中，并自适应确定嵌入强度。 - Finally, to the face database by ORL, the method is utilized to segment face image space into several non-overlapping subimage spaces so that the pixel number has uniform distribution in each subimage space.
采用ORL人脸数据库进行仿真实验，利用阈值最优分层法将人脸图象空间划分成不相重叠的子图象空间，使每层子图象空间象素数均匀分布。 - Meanwhile, the subimage pattern classifier is designed based on BP artificial neural network, all of the subimage pattern classifying results are arrayed a matrix, and the pavement surface distress image feature is represented by this matrix.
同时，设计了基于BP人工神经网络的子块图像模式分类器，利用子块图像模式分类结果所组成的矩阵作为路面破损图像分割结果。 - Furthermore, the multi-frame accumulation infrared subimage target detection model, image space transformation, segmented region recognition and infrared subimage tracking model are proposed in the dissertation.
论文提出了多帧累积亚图像目标检测模型、图像空间变换、分割区域的识别和亚图像跟踪模型。 - Character segmentation is a special application in printed character segmentation. Image is segmented into many subimages to facilitate character recognition with only one character in each subimage in the course of character segmentation.
字符分割是印刷体字符分割的一个特殊应用，是把车牌图像分成单个的字符图像，以便进行字符识别。 - By segmenting the lowest frequency subimage of wavelet decomposition of the frame into static and motive regions, the computation complexity is reduced effectively and the motion vector coding efficiency is improved farther;
通过对视频帧小波分解后的低通子图像进行静止和运动区域分割，以分割结果指导运动估值过程，在有效地减少运动估值时间消耗的同时，进一步提高了运动矢量的编码效率； - We have studied the statistical distribution of wavelet subimage coefficients and concluded that the distribution of wavelet subimage coefficients is very much similar to that of Laplacian distribution. Based on the statistical properties of image wavelet decomposition, an image quantization algorithm is proposed.
研究了小波子带图像系数的统计分布，发现小波子带图像系数分布和拉普拉斯分布非常相似，继而提出了一种基于其统计特征的图像量化编码算法。