| Patent Number |
Title Of Patent |
Date Issued |
| 7433538 |
Image processing apparatus and control method thereof |
October 7, 2008 |
| This invention provides an image processing apparatus which can effectively remove conspicuous noise contained in image data, while suppressing deterioration of image information. Image data containing noise is input from an input terminal (100). Based on the output condition upon ou |
| 7408680 |
Image processing apparatus and method |
August 5, 2008 |
| There is disclosed an image processing apparatus developed considering that an embedding or extracting method has not heretofore been changed based on a spatial coordinate on a recording medium or reading device, the apparatus comprising: an input unit for inputting an image, an embe |
| 7372594 |
Image processing apparatus and method, and storage medium |
May 13, 2008 |
| A pattern which does not appear at a flat portion in normal binarization processing is set as a code pattern, and a code formed from this pattern is attached. At this time, code attachment with little degradation in image quality is implemented by selecting an unnoticeable pattern. |
| 7253917 |
Image processing apparatus and its control method, computer program, and storage medium |
August 7, 2007 |
| With this invention, upon scanning a print, since additional information recorded together with that print is reproduced while displaying the scanned image, a special effect that cannot normally be obtained from still images can be obtained.A print on which image information and addi |
| 7231059 |
Image processing apparatus, method and storage medium therefor |
June 12, 2007 |
| When image information for the purpose of being printed out has been entered, whether or not the image information contains a mark image such as a watermark is determined to such an extent that will not lower the throughput of a printer. To accomplish this, the image is input and ela |
| 7187476 |
Image processing apparatus and method, computer program, and recording medium |
March 6, 2007 |
| This invention is an image processing apparatus capable of adding a reference frame for accurately specifying an image region printed on a printing medium. An image forming unit (13) converts an input image for printing into that of a predetermined resolution. An additional informati |
| 7177463 |
Image processing apparatus and method |
February 13, 2007 |
| A surrounding pixel reference unit reads out and stores image data having a predetermined size from a line buffer. A color judgment unit detects the color of the image (reference image) stored in the surrounding pixel reference unit. A parameter determination unit determines parameters u |
| 7171019 |
Image processing apparatus and image processing method |
January 30, 2007 |
| An image processing apparatus for embedding predetermined information in an image includes an input unit for inputting the image, a division unit for dividing the input image into plural image regions, a periodicity generation unit for generating plural different periodicities, an ad |
| 7116826 |
Embedding with error-correction encoding |
October 3, 2006 |
| A maximum embedding amount can be ensured depending on information to be embedded, by determining an error-correction capability in correspondence with the characteristic of embedded information. For this purpose, upon multiplexing additional information, the additional information is |
| 7103214 |
Image processing apparatus and method |
September 5, 2006 |
| A surrounding pixel reference unit reads out and stores image data having a predetermined size from a line buffer. A color judgment unit detects the color of the image (reference image) stored in the surrounding pixel reference unit. A parameter determination unit determines parameters u |
| 7079267 |
Image processing apparatus, method, computer program and recording medium |
July 18, 2006 |
| Provided are an image processing apparatus, method, computer program and recording medium capable of embedding a large quantity of additional information in image information upon dispersing the information in such a manner that it will not be noticeable visually. An error correction |
| 7072522 |
Image processing apparatus and method |
July 4, 2006 |
| The invention provides a method of burying additional information in an image, which can suppress deterioration of image quality and reduce an extraction error rate when extracting the additional information. For implementing the method, in an image processing apparatus for burying p |
| 7058232 |
Image processing apparatus, method and memory medium therefor |
June 6, 2006 |
| The invention provides an image processing apparatus capable of embedding predetermined information in an image, the apparatus comprising input means for entering the image, division means for dividing the entered image into plural image areas, quantization means for quantizing the i |
| 6954542 |
Image processing apparatus and method |
October 11, 2005 |
| Upon embedding additional information in image information, since an image region in which the additional information can be embedded is limited, the information size that can be embedded is often limited, and all pieces of additional information cannot be embedded. Before the additional |
| 6915014 |
Image processing apparatus and method |
July 5, 2005 |
| An image processing apparatus in which the amount of data bits for each of plural block units is controlled to be the same for all block units, so as to facilitate location of each block unit in coded image data without necessarily decoding the entire image. Pixel image data which is for |
| 6909524 |
Image processor which can add predetermined information to an image while minimizing image-quali |
June 21, 2005 |
| An image processor unit minimizes image-quality degradation that can be caused by the addition of predetermined information to an image and that enables the predetermined information to be added to the image so that embedded information can be accurately extracted. The image processor un |
| 6853736 |
Image processing apparatus, image processing method and storage medium |
February 8, 2005 |
| In order to extract, from an image in which predetermined information is embedded, such predetermined information at a high speed and with high precision, the invention provides an image processing apparatus comprising an input unit for entering an image in which predetermined informatio |
| 6824240 |
Image processing apparatus and method and recording medium |
November 30, 2004 |
| An input pixel value of input image data is converted to a pixel value within a predetermined range, and a pixel value of pixel of interest of the converted image is quantized for pseudo halftone representation, and a predetermined dot pattern is embedded to the quantized image data. In |
| 6804419 |
Image processing method and apparatus |
October 12, 2004 |
| There is disclosed a method for obtaining one high-resolution image from a plurality of low-resolution images having predetermined resolutions, comprising steps of detecting relative positions among the plurality of low-resolution images with a resolution less than a pixel pitch in the |
| 6750983 |
Image processing apparatus and method, and storage medium |
June 15, 2004 |
| A texture which is not normally generated by a pseudo halftone process is artificially generated by combining quantization values (S307, S308), and a 1-bit code is expressed by the presence/absence of texture. |
| 6714693 |
Image processing apparatus and image processing method |
March 30, 2004 |
| The present invention uses an image processing apparatus for inputting low-resolution video information, expanding one pixel to N.times.M pixels, and converting a low-resolution image into a high-resolution image, which comprises a first window formation unit for referring to peripheral |
| 6597467 |
Image processing apparatus for transmitting compressed area information to be used in editing |
July 22, 2003 |
| In an image processing method, image information described by a page descriptor language is developed by the page descriptor language into a form not pasted with to-be-pasted image information, without reading out, for image development, the to-be-pasted image information from a unit for |
| 6553143 |
Image encoding method and apparatus |
April 22, 2003 |
| This invention relates to an image encoding method and apparatus, and particularly has as its object to satisfactorily control the amount of encoded image data. In order to achieve this object, according to this invention, there is disclosed a technique for sequentially controlling the |
| 6546145 |
Image compression using selection of quantization method |
April 8, 2003 |
| An image compressing apparatus including an input unit for inputting a plurality of spatial frequency component data of a block which is one of a plurality of blocks constituting an image, a discriminating unit for discriminating an image type of the block according to the spatial fr |
| 6459498 |
Data transmission method and apparatus that discriminates whether data is to be developed into b |
October 1, 2002 |
| A data transmission system discriminates, for each one of a plurality of pieces of data representing an image provided in a frame, whether the one piece of data is a first type of data, which is to be developed into bit map data in a bit map area corresponding to the frame, or a second t |
| 6415065 |
Image processing apparatus and method therefor |
July 2, 2002 |
| An image processing apparatus for effecting image processing by N-point interpolation, utilizing lattice points stored in a table corresponding to image data, includes input unit for entering image data, and interpolation unit for effecting an interpolation process employing, according t |
| 6400413 |
Image process apparatus, image process method and computer-readable storage medium |
June 4, 2002 |
| Input image information from an input terminal is stored in a line buffer for several lines and smoothed, and then an interpolation value for plural pixels is obtained by an interpolation unit. Further, maximum and minimum values are detected from information of a noticeable pixel and it |
| 6198848 |
Method and apparatus for compressing and storing data indicative of a full-color image |
March 6, 2001 |
| An image processing apparatus in which the amount of data bits for each of plural block units is controlled to be the same for all block units, so as to facilitate location of each block unit in coded image data without necessarily decoding the entire image. Pixel image data which is for |
| 6157749 |
Image processing apparatus and method, and storing medium |
December 5, 2000 |
| This invention can easily form a smooth clear image with continuity particularly from a natural image without causing any interpolation blur or jaggy when converting input low-resolution information into high-resolution information. This invention includes a first window forming unit |
| 6088489 |
Image data resolution conversion |
July 11, 2000 |
| An image processing system has a first apparatus and a second apparatus the resolutions of which differ from each Other. The first apparatus includes an input unit for inputting image data, a smoothing unit for smoothing the image data and a coding unit for coding the image data outputte |
| 6009213 |
Image processing apparatus and method |
December 28, 1999 |
| An image processing apparatus includes a window setting unit which sets a window for input low-resolution information, including a target pixel and pixels surrounding the target pixel. A detection unit detects MAX and MIN values from among the pixels within the window, and a quantization |
| 5917963 |
Image processing apparatus and image processing method |
June 29, 1999 |
| To perform processing to increase the number of pixels of inputted image data, the inputted image data having low resolution is converted to image data having high resolution. For this conversion, one pixel of the low resolution data is interpolated, a difference value between a pred |
| 5911007 |
Image processing method and apparatus |
June 8, 1999 |
| An image processing apparatus for orthogonally transforming image information in a block comprising NXN pixels, and creating block information composed of MXM pixels (N.noteq.M) on the basis of the information orthogonally transformed. The created block information is reverse transfo |
| 5875268 |
Image processing with low-resolution to high-resolution conversion |
February 23, 1999 |
| An image processing apparatus for converting low-resolution information to high-resolution information and increasing the number of pixels of input image information by a factor of (N.times.M) includes interpolating unit for interpolating one pixel of low-resolution information to (N.tim |
| 5822462 |
Image processing apparatus |
October 13, 1998 |
| An image processing apparatus for scalar-quantizing discrete-cosine transformation coefficients detects quantization error based upon a first odd function component of the discrete-cosine transformation coefficients, changes over the quantization conditions of a second odd function c |
| 5818970 |
Image encoding apparatus |
October 6, 1998 |
| An image encoding apparatus of this invention extracts a character/line image from a multi-value image, and substitutes image information corresponding to the extracted character/line image with substitution data based on the image information. Thereafter, the apparatus encodes the i |
| 5760921 |
Method of and apparatus for image processing |
June 2, 1998 |
| A method and an apparatus for converting low-resolution information into high-resolution information. When image information having multiple gradations is input and an image area corresponding to one pixel is increased to an image area for N.times.M pixels (where N and M are each an |
| 5729625 |
Image processing method and apparatus which expand a pixel into multiple pixels, with a change i |
March 17, 1998 |
| An image processing apparatus converts image information each pixel of which has n gray levels into image information with an increased number of pixels each having m gray levels so that one pixel of the original image information is expanded to A.times.B pixels in the converted image |
