公开(公告)号：US06683997B1

公开(公告)日：2004-01-27

申请号：US09707136

申请日：2000-11-06

申请人： Hiroaki Yoshio ,  Tsutomu Uenoyama ,  Osamu Iwasaki ,  Daisaku Komiya ,  Kazunori Yamada ,  Atsushi Ando

发明人： Hiroaki Yoshio ,  Tsutomu Uenoyama ,  Osamu Iwasaki ,  Daisaku Komiya ,  Kazunori Yamada ,  Atsushi Ando

IPC分类号： G06K932

CPC分类号： G06T9/007 ,  G06T3/4084

摘要： A resolution transformation apparatus which has longitudinal and lateral change ratio input means 101 for inputting the longitudinal and lateral change ratios of an image, low-frequency orthogonal transformation block extraction means 103 for extracting only low-frequency areas of N orthogonal transformation blocks required for resolution transformation from before-transformation orthogonal transformation image memory 102 for storing orthogonal transformation images before undergoing resolution transformation, resolution transformation means 104 for executing resolution transformation and generating M orthogonal transformation blocks from the N low-frequency orthogonal transformation blocks, and orthogonal transformation block storage means 105 for storing the Morthogonal transformation blocks after resolution transformation in after-transformation orthogonal transformation image memory 106.

摘要翻译： 一种分辨率变换装置，其具有纵向和横向变化率输入装置101，用于输入图像低频正交变换块提取装置103的纵向和横向变化比，用于仅提取分辨率所需的N个正交变换块的低频区域 在进行分辨率变换之前用于存储正交变换图像的变换前正交变换图像存储器102的变换，用于执行分辨率变换并从N个低频正交变换块生成M个正交变换块的分辨率变换单元104，以及正交变换块存储单元 105，用于在转换后正交变换图像存储器106中存储分辨率变换后的正交变换块。