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vertical super-resolution processing unit
Tradução de "vertical super-resolution processing unit" em chinês
垂直超分辨率处理单元
Hereinafter, the processing blocks of the vertical super-resolution processing unit 10 will be described.
下文将对垂直超分辨率处理单元10的处理块进行说明。
Fig. 2 is a block diagram showing an internal structural example of a vertical super-resolution processing unit in an image processing unit
图2为图像处理单元中的垂直超分辨率处理单元的内部结构示例的框图；
Hereinafter, internal structural examples of the vertical super-resolution processing unit 10 and the horizontal super-resolution processing unit 20 in the image processing unit 3 will be described.
下文将对图像处理单元3中的垂直超分辨率处理单元10和水平超分辨率处理单元20的内部结构示例进行说明。
Fig. 9 is a diagram showing waveforms of signals at respective units of the vertical super-resolution processing unit shown in Fig. 2
图9为图2所示的垂直超分辨率处理单元的各个单元的信号波形的示意图；
P1 is a signal waveform example of an image input to the vertical super-resolution processing unit 10, P2 is a signal waveform example output from the vertical HPF 11, P3 is a signal waveform example output from the vertical scaler 12, P4 is a signal waveform example output from the high-frequency interpolation unit 15, and P5 is a signal waveform example of an enlarged image output from the vertical scaler 16. White dots on the waveforms indicate pixels.
P1是输入到垂直超分辨率处理单元10中的图像的信号波形示例，P2是垂直HPF 11输出的信号波形示例，P3是垂直缩放器12输出的信号波形示例，P4是高频内插单元15输出的信号波形示例，P5是垂直缩放器16输出的放大图像的信号波形示例。波形上的白点表示像素。
It should be noted that although the super-resolution processing in the horizontal direction is carried out on the input image by the horizontal super-resolution processing unit 20 after the super-resolution processing in the vertical direction is carried out on the input image by the vertical super-resolution processing unit 10 in this example, the same effect can be obtained even when the vertical super-resolution processing is carried out after the horizontal super-resolution processing.
应注意的是，在该示例中，垂直超分辨率处理单元10对输入图像进行垂直方向的超分辨率处理之后，水平超分辨率处理单元10对输入图像进行水平方向的超分辨率图像处理，但是，即使垂直超分辨率处理在水平垂直超分辨率处理之后进行，也可获得相同效果。
The image processing unit 3 includes a vertical super-resolution processing unit 10 and a horizontal super-resolution processing unit 20. In the image processing unit 3, super-resolution processing in a vertical direction is first carried out on an input image by the vertical super-resolution processing unit 10, and with respect to the result of the processing, super-resolution processing in a horizontal direction is carried out by the horizontal super-resolution processing unit 20, to thus obtain a final super-resolution image.
图像处理单元3包括垂直超分辨率处理单元10和水平超分辨率处理单元20。在图像处理单元3中，先由垂直超分辨率处理单元10对输入图像进行垂直方向上的超分辨率处理，随后由水平超分辨率处理单元20对处理结果进行水平方向上的超分辨率处理，由此获得最终超分辨率图像。
Fig. 10 is a flowchart showing a super-resolution processing example in a vertical direction, that is carried out by the vertical super-resolution processing unit shown in Fig. 2
图10为图2所示的垂直超分辨率处理单元执行的垂直方向的超分辨率处理示例的流程图；
Fig. 10 is a flowchart showing a super-resolution processing example in the vertical direction, that is carried out by the vertical super-resolution processing unit 10. Fig. 11 is a diagram used for explaining the super-resolution processing shown in Fig. 10. In the example shown in Fig. 11, the double enlargement of an image in the vertical direction is expressed by doubling a pixel density in the vertical direction.
图10为垂直超分辨率处理单元10执行的垂直方向的超分辨率处理示例的流程图。图11为图10所示的超分辨率处理的说明图。在图11所示的示例中，垂直方向上图像的双倍放大用垂直方向上像素密度的加倍表示。
The horizontal super-resolution processing unit 20 includes a horizontal high-pass filter (hereinafter, referred to as horizontal HPF) 21, a horizontal scaler 22, an edge judgment unit 23, a coordinate conversion unit 24, a high-frequency interpolation unit 25, a horizontal scaler 26, and a synthesis unit 27. The processing blocks have the same functions as the corresponding processing blocks of the vertical super-resolution processing unit 10. The horizontal super-resolution processing unit 20 only repeats the processing carried out by the vertical super-resolution processing unit 10 in the horizontal direction of the image.
水平超分辨率处理单元20包括水平高通滤波器（下文称为水平HPF）21、水平定标器22、边缘判断单元23、坐标转换单元24、高频内插单元25、水平定标器26和合成单元27。处理块与垂直超分辨率处理单元10的对应处理块具有相同功能。水平超分辨率处理单元20仅在图像的水平方向重复垂直超分辨率处理单元10执行的处理。
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