公开(公告)号：US06323905B1

公开(公告)日：2001-11-27

申请号：US09218526

申请日：1998-12-22

申请人： Tetsujiro Kondo ,  Takayoshi Fujiwara ,  Yuuji Okumura ,  Yasunobu Node

发明人： Tetsujiro Kondo ,  Takayoshi Fujiwara ,  Yuuji Okumura ,  Yasunobu Node

IPC分类号： H04N701

CPC分类号： H04N7/0135 ,  H04N7/0125 ,  H04N7/0145

摘要： An apparatus for converting a first picture comprising pixels into a second picture comprising pixels is provided. The second picture is converted by executing on the first picture an adaptive process that determines prediction values of the second picture by using a number of pixel values of the first picture as prediction taps and a number of prediction coefficients that are adapted to the first picture. The apparatus comprises a prediction taps forming circuit for forming a number of prediction taps from the first picture and a picture obtained by the adaptive process and an executing circuit for executing the adaptive process by using the formed number of prediction taps and a number of prediction coefficients that are adapted to the prediction taps. The apparatus further comprises a class taps forming circuit for forming a number of class taps from the first picture and the picture obtained by the adaptive process. The apparatus further comprises a classifying circuit for classifying the number of class taps to determine a class. The executing circuit executes the adaptive process by using the formed number of prediction taps and the number of prediction coefficients corresponding to the class.

摘要翻译： 提供了一种用于将包括像素的第一图像转换成包括像素的第二图像的装置。 通过在第一图像上执行自适应处理来转换第二图像，该自适应处理通过使用第一图像的数量的像素值作为预测抽头和适合于第一图像的预测系数的数量来确定第二图像的预测值。 该装置包括：用于从第一图像形成多个预测抽头的预测抽头形成电路和通过自适应处理获得的图像;以及执行电路，用于通过使用形成数量的预测抽头和多个预测系数来执行自适应处理 这适应于预测水龙头。 该装置还包括用于从第一图像形成多个类别抽头的类别抽头形成电路和通过自适应处理获得的图像。 该装置还包括分类电路，用于对类别抽头的数量进行分类以确定类别。 执行电路通过使用形成数量的预测抽头和对应于该类别的预测系数的数量来执行自适应处理。