Did You Know...
...that the first rickshaw was invented in 1869 by an American Baptist minister, the Rev. E. Jonathan Scobie, to transport his invalid wife around the streets of Yokohama?
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| Number | Title | Issue Date |
| 6959386 | Hiding encrypted messages in information carriers An identification code signal is hidden in a carrier signal (such as an electronic data signal or a physical medium) in a manner that permits the identification signal later to be discerned. The carrier signal can thereby be identified, or some machine responsive ac... | 10/25/2005 |
| 6959116 | Largest magnitude indices selection for (run, level) encoding of a block coded picture Transform coefficients for blocks of pixels in an original picture are quantized to produce respective sets of quantization indices for the blocks of pixels. The quantization indices for at least some of the blocks are produced by using a quantization step size that... | 10/25/2005 |
| 6956904 | Summarizing videos using motion activity descriptors correlated with audio features A method for summarizing a video first detects audio peaks in a sub-sampled audio signal of the video. Then, motion activity in the video is extracted and filtered. The filtered motion activity is quantized to a continuous stream of digital pulses, one pulse for eac... | 10/18/2005 |
| 6956900 | Apparatus and method for partitioning moving picture data An apparatus for partitioning moving picture data comprises a first quantizing unit for first-quantizing a received video signal and outputting a first-quantized signal; and a second quantizing unit for second-quantizing the first-quantized signal and partitioning t... | 10/18/2005 |
| 6954503 | Video image coding apparatus with individual compression encoding sections for different image divisions A video image coding apparatus which realizes appropriate allocation of an information amount to individual image divisions to reduce the difference in picture quality among different divisions of a decoded image. An input video image signal is into a plurality of i... | 10/11/2005 |
| 6954542 | Image processing apparatus and method 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.... | 10/11/2005 |
| 6952495 | Method for quantization of histogram bin value of image The present invention relates to a method for quantization of a color histogram bin value of an image or video, and more particularly, to a method for non-uniform quantization of a color histogram bin value of an image (or video) according to the frequency of color ... | 10/04/2005 |
| 6950558 | Method and apparatus for block sequential processing A method and apparatus for performing block sequential processing is described. In one embodiment, the apparatus comprises a determine pass logic, selection logic, next coefficient logic and control. The determine pass logic has inputs coupled to receive significanc... | 09/27/2005 |
| 6950789 | Traffic violation detection at an intersection employing a virtual violation line A system and method for detecting and filtering non-violation events in a traffic light violation prediction and recording system, including at least one violation prediction image capturing device, such as a video camera, and a violation prediction unit. The predic... | 09/27/2005 |
| 6950557 | Image encoding apparatus and image decoding apparatus The perceptible resolution and the number of gradations are both guaranteed, and an image is encoded at a high efficiency. An apparatus of the present invention is provided with a blocking circuit for dividing an input image into blocks, a quantization LUT for quant... | 09/27/2005 |
| 6950463 | Non-compensated transcoding of a video stream Systems and methods for transcoding a transport stream or a video stream. A video stream includes a quantization matrix and a quantization scale that define how DCT frequency coefficients are quantized. A transport stream is transcoded by updating the quantization m... | 09/27/2005 |
| 6948127 | Interface for compressed video data analysis The invention described herein provides a video analysis tool to assist a computer programmer working on a program that effects video data. The tool may be integrated with program code. When enacted, the tool obtains statistical information related to the video data... | 09/20/2005 |
| 6947571 | Cell phones with optical capabilities, and related applications A cell phone is equipped with a 2D optical sensor, enabling a variety of applications. For example, such a phone may also be provided with a digital watermark decoder, permitting decoding of steganographic data on imaged objects. Movement of a phone may be inferred ... | 09/20/2005 |
| 6947600 | Information processing method, apparatus and storage medium for receiving and decoding a code sequence obtained by encoding an image An entropy decoder receives a code sequence which is obtained by breaking up coefficients that have undergone discrete wavelet transformation into bit planes, and encoding the bit planes, and entropy-decodes the code sequence. A correction value computing unit deter... | 09/20/2005 |
| 6944227 | Method and apparatus for motion vector field encoding A method and apparatus for representing motion in a sequence of digitized images derives a dense motion vector field and vector quantizes the motion vector field. ... | 09/13/2005 |
| 6944298 | Steganographic encoding and decoding of auxiliary codes in media signals One aspect of the invention is a method of decoding an auxiliary code embedded in an audio signal. The method performs a statistical decoding of a multibit auxiliary code embedded in an audio signal. The auxiliary code has been repetitively embedded in the audio sig... | 09/13/2005 |
| 6940903 | Systems and methods for performing bit rate allocation for a video data stream The present invention is related to video encoding. In an embodiment, a bit budget is calculated for a first scene. In addition, bit budgets for corresponding frames, including at least a first frame, within the first scene are determined. Optionally, bit budgets co... | 09/06/2005 |
| 6940999 | Method for target detection and identification by using proximity pixel information An efficient approach to exploit hyperspectral imagery and detect target of interest is disclosed. This approach uses proximity pixels as reference signatures to detect potential discontinuity that represents material of unknown existing on the terrain. By incorpora... | 09/06/2005 |
| 6941013 | Method of image binarization using histogram modeling Method of image binarization using histogram modeling, which combines spatial resolution expansion with binarization in a single integrated process using a combination of spatial expansion, histogram modeling, classification, and quantization. Each pixel of the inpu... | 09/06/2005 |
| 6937759 | Method and device for reducing image by palette modification A method and device for reducing an input image by modifying the palette used in image compression. The reduction process involves mapping one or more colors of the original palette to a single color in a new palette. The image size of the reduced image is estimated... | 08/30/2005 |
| 6937774 | Apparatus and method for efficiently increasing the spatial resolution of images A method increases the spatial resolution of a source image based on an auxiliary, co-registered image of a higher spatial resolution. Each of the source and auxiliary images includes a plurality of pixels with corresponding spectral intensities and the method inclu... | 08/30/2005 |
| 6937365 | Rendering images utilizing adaptive error diffusion An adaptive halftoning method where the difference between a digital image and a filtered digital image is introduced into the system on a pixel by pixel basis is disclosed. In this method, each input difference pixel has a corresponding error value of the previous ... | 08/30/2005 |
| 6934419 | Enhanced compression of gray-level images A method for compression of an input image that includes a plurality of pixels having respective input pixel values. The method includes quantizing the input pixel values so as to generate respective quantized pixel values, and generating a quantized image by substi... | 08/23/2005 |
| 6934679 | Error resilient scalable audio coding A scalable audio codec processes, quantizes and encodes audio signals into an embedded audio bitstream of bit-planes each having a data unit. The data unit has a beginning refinement bits partition, a second significance bits partition, a third sign boundary mark bi... | 08/23/2005 |
| 6931159 | Size reduction method and device for compressed images A method and device for reducing a compressed image to a target size by reducing the quality of the image by a quality scaling factor. Image statistics inherent to the image are used to compute the size reduction as a function of the quality scaling factor. Using th... | 08/16/2005 |
| 6931060 | Video processing of a quantized base layer and one or more enhancement layers In an encoding process, video data are represented as a bitstream of a quantized base layer and one or more enhancement layers, which capture the difference between a quantized base video picture and an original unquantized input video picture. Due to bandwidth cons... | 08/16/2005 |
| 6928112 | Signal coding method, signal coding apparatus, signal recording medium, and signal transmission method The present invention enables to effectively coding a predetermined time length of a video signal with a variable bit rate at real time (one-path) into a total coding bit amount of a constant data capacity. A coding difficulty calculator 13 determines ... | 08/09/2005 |
| 6928113 | Encoding apparatus and method An encoding apparatus and method prevents image deterioration generated by repeatedly performing encoding and decoding by using a quantization matrix for quantization which is different from a quantization matrix for inverse quantization. In the encoding apparatus, ... | 08/09/2005 |
| 6925122 | Method for video-based nose location tracking and hands-free computer input devices based thereon A method for tracking the location of the tip of the nose with a video camera, and a hands-free computer input device based thereon have been described. According to this invention, a convex shape such as the shape of the tip of the nose, is a robust object suitable... | 08/02/2005 |
| 6925125 | Enhanced aperture problem solving method using displaced center quadtree adaptive partitioning The disclosed method provides a new resolution of the aperture problem, which is one of the basic problems present in motion estimation technology. The method constitutes a resolution of this problem by means of adaptive transfer to smaller blocks. The approach cons... | 08/02/2005 |
| 6922480 | Methods for encoding security documents Line art on a banknote or other security document is slightly changed to effect the encoding of plural-bit digital data (i.e. the banknote is digitally watermarked). When such a banknote is thereafter scanned, the resulting image data can be recognized as correspond... | 07/26/2005 |
| 6922442 | Apparatus and method of encoding moving picture signal Input moving pictures are encoded with motion-compensated prediction. Detected first is an mount of codes generated for each encoded picture of the input moving pictures. Detected next is an average quantization scale factor of quantization scale factors used for qu... | 07/26/2005 |
| 6921172 | System and method for increasing projector amplitude resolution and correcting luminance non-uniformity A system and method corrects luminance non-uniformity and increases the apparent amplitude resolution of an image generated by a projector. The projector, which has a given number of stated levels, receives input data and projects images based on that input data. To... | 07/26/2005 |
| 6920177 | Method and apparatus for accomplishing multiple description coding for video A method and apparatus for utilizing temporal prediction and motion compensated prediction to accomplish multiple description video coding is disclosed. An encoder receives a sequence of video frames and divides each frame into non-overlapping macroblocks. Each macr... | 07/19/2005 |
| 6917712 | Encoding apparatus and decoding apparatus An encoding apparatus includes a quantized spectral sequence generation section for generating a quantized spectral sequence by quantizing an audio signal with a predetermined quantization precision, and a circulating code vector quantization section for outputting ... | 07/12/2005 |
| 6917691 | Substituting information based on watermark-enable linking OLE-like principles are implemented using watermark data in digital objects in order to effect object linking or embedding. In one embodiment, a photocopier scans an original paper document to produce image data. This image data is analyzed for the presence of water... | 07/12/2005 |
| 6917724 | Methods for opening file on computer via optical sensing By printing documents and other objects with machine readable indicia, such as steganographic digital watermarks or barcodes, a great variety of document management functions can be enabled. The indicia can be added as part of the printing process (after document da... | 07/12/2005 |
| 6917446 | Image processing apparatus and image processing method An image processing apparatus for quantizing image data indicative of a density gradation level of a constituent pixel of an image into a discrete value on the basis of quantization levels of a number smaller than the maximum density gradation level and not smaller ... | 07/12/2005 |
| 6915024 | Image sharpening by variable contrast mapping Image sharpening is performed by applying variable contrast stretching to pixels of interest in a digital image. For each pixel of interest, the amount of contrast stretching is a function of minimum and maximum intensity values in a local pixel neighborhood. ... | 07/05/2005 |
| 6915018 | Compressed moving picture re-encoding apparatus and compressed moving picture re-encoding method To reduce a processing delay when re-encoding compressed moving pictures, and provide a compressed moving picture re-encoding apparatus with higher picture quality. Complexity measure computing unit computes respective complexity measures in two or more kinds of pre... | 07/05/2005 |
