块方向图的英文

• block directed graph

• "块"英文翻译    piece; lump; chunk
• "方向图"英文翻译    directional diagram; directi ...
• "方向图" 英文翻译 :    directional diagram; directivity diagram
• "波束方向图" 英文翻译 :    beam pattern
• "场方向图" 英文翻译 :    field pattern
• "场强方向图" 英文翻译 :    field strength pattern
• "初级方向图" 英文翻译 :    primary pattern
• "垂直方向图" 英文翻译 :    height pattern; vertical directivity pattern
• "次级方向图" 英文翻译 :    secondary pattrn
• "发射方向图" 英文翻译 :    transmitting pattern
• "方向图变窄" 英文翻译 :    narrowing of directional pattern
• "方向图函数" 英文翻译 :    pattern function
• "方向图失真" 英文翻译 :    pattern distortion
• "方向图相乘" 英文翻译 :    pattern multiplication
• "方向图主瓣" 英文翻译 :    major lobe of directional diagram; majorlobeofdirectionaldiagram
• "辐射方向图" 英文翻译 :    antenna pattern; directional pattern; field pattern; radiation pattern
• "幅度方向图" 英文翻译 :    amplitude pattern
• "高斯方向图" 英文翻译 :    gauss pattern
• "功率方向图" 英文翻译 :    power pattern
• "归一方向图" 英文翻译 :    normalized radiation pattern
• "接收方向图" 英文翻译 :    receiving pattern
• "近场方向图" 英文翻译 :    near field pattern; near-field pattern
• "雷达方向图" 英文翻译 :    radar envelope
• "连通方向图" 英文翻译 :    connected directed graph
• "探火方向图" 英文翻译 :    fire finder map

• Algorithms on fingerprint preprocessing are first studied in unit 3 . point direction image is acquired by using discrete direction method . then block direction image is acquired
  采用离散方向法来求取指纹的点方向图，进而用直方图法得到指纹的块方向图。
• In the pretreatment , we mend image by gray - level and direction - raph filtering . the program we proposed , without binarization and thinning , has high rapidity and saves a lot of calculation time
  预处理时，先对采集的指纹进行灰度滤波，然后再通过计算块方向图对指纹进行方向图滤波，从而实现灰度修补。
• These are the primary contents of this paper : first , we adopt the block direction filtering method , the self - adapt two - valued disposing method and moulding board mining method to accomplish the pretreatment of the original fingerprint image
  采用块方向图滤波，自适应阈值二值化和模板细化等算法对原始指纹图像进行预处理，去除指纹图像中的噪声点，得到细化的指纹脊线图像。
• Then the gray image is transformed into a binary image through a one - by - one - point section - threshold binary algorithm . after that , a postprocessing is implemented on the given binary image . in the part of thinning algorithm , an improved thinning algorithm derived from the opta is introduced in , for the purpose of producing high quality skeleton of fingerprints , on which the more accurate fingerprint feature location and type are based
  采用离散方向法来求取指纹的点方向图，进而用直方图法结合动态分块得到指纹的块方向图；再对指纹图像进行方向法滤波；然后使用逐点局部阈值法，对指纹图像进行二值化处理；二值化后对二值图进行后处理；细化算法采用基于opta的改进细化算法，可以获得高质量的指纹骨架。