JP2011004193A5 - - Google Patents

Claims (17)

An image processing apparatus that processes pixel data to which attribute data is attached for each pixel,
A plurality of two-dimensional neighborhood reference calculation means;
Allocating means for allocating the pixel data to the two-dimensional neighborhood reference calculation means based on the attribute data;
One-dimensional neighborhood reference computing means that receives all or part of the output from the two-dimensional neighborhood reference computing means;
An image processing apparatus comprising: a selection unit that selects an output from the two-dimensional neighborhood reference computation unit and an output from the one-dimensional neighborhood reference computation unit and outputs the selected pixel data. An input port for inputting pixel data to which attribute data is attached for each pixel;
An output port for outputting pixel data output from the selection unit;
Storage means for storing a plurality of pixel data input from the input port and outputting pixel data of neighboring reference pixels including a target pixel to the two-dimensional neighboring reference computing means according to the allocation by the allocating means. The image processing apparatus according to claim 1.   The image processing apparatus according to claim 2, further comprising feedback means from the output port to the input port.   The image processing apparatus according to claim 1, wherein the attribute data includes frame information set in units of frames.   The image processing apparatus according to claim 1, wherein the attribute data includes position information periodically set in units of columns or rows. The attribute data referred to by the allocator for determining the allocation destination is at least one of the frame information and the position information,
6. The image processing apparatus according to claim 4, wherein the number of bits of the attribute data referred to by the allocating unit for determining the allocation destination is the number of the two-dimensional neighborhood reference calculating unit. The scanning order of the pixel data input to the input port is such that, when there are N allocation destinations of the allocation means, all the attribute data that the allocation means refers to in determining the allocation destination in any continuous N inputs The image processing apparatus according to claim 2 , wherein the scanning order is different. The scanning order of the pixel data input to the input port is any continuous M when the number of types of attribute data included in one or a plurality of input frames necessary for outputting an image of one frame is M. The image processing apparatus according to claim 2 , wherein in the input, the scanning order is such that all the attribute data referred to by the allocating unit for determining the allocation destination are different. When either the main scanning direction or the sub-scanning direction is the first direction and the other is the second direction,
The storage means includes first storage means for delaying pixel data in a first direction and second storage means for delaying pixel data in a second direction,
It said second storage means the image processing apparatus according to any one of claims 2 to 8, characterized in that is divided into a plurality of regions.   The image processing apparatus according to claim 9, wherein the second storage unit includes a path for sending pixel data from the first area to the second area of the second storage unit.   The image processing apparatus according to claim 1, wherein the one-dimensional neighborhood reference calculation unit includes an LUT. 12. The apparatus according to claim 1, further comprising a control unit that assigns the attribute data to each pixel and controls selection by the selection unit in response to a filtering process performed by the image processing apparatus. The image processing apparatus according to claim 1. The control means, wherein said image processing apparatus in response to filtering performed, and sets at least one of arithmetic algorithm of the two-dimensional near reference calculation means and the one-dimensional neighborhood reference calculating means Item 13. The image processing apparatus according to Item 12. An image processing apparatus for processing pixel data to which attribute data is attached for each pixel, and allocating a plurality of two-dimensional neighborhood reference computing means and allocating the pixel data to the two-dimensional neighborhood reference computing means based on the attribute data Means, a one-dimensional neighborhood reference computing means that receives all or a part of the output from the two-dimensional neighborhood reference computing means, an output from the two-dimensional neighborhood reference computing means and the one-dimensional neighborhood reference computing means A method for controlling the image processing apparatus, comprising: selecting means for selecting output and outputting as pixel data,
A step of assigning the attribute data for each pixel in correspondence with the filter processing performed by the image processing apparatus;
A method for controlling the image processing apparatus, wherein the control means includes a step of controlling selection by the selection means in response to a filtering process performed by the image processing apparatus.   The control means calculates at least one of the two-dimensional neighborhood reference computation means and the one-dimensional neighborhood reference computation means corresponding to the filter processing performed by the image processing device prior to the filter processing by the image processing device. The method of controlling an image processing apparatus according to claim 14, further comprising a step of setting an algorithm.   The program for making a computer perform each step of the control method of the image processing apparatus of Claim 14 or 15.   A computer-readable storage medium storing the program according to claim 16.