Sony Corporation

Kazushi Yoshikawa

Tetsujiro Kondo

Hisakazu Shiraki

Tetsushi Kokubo

Masanori Kanemaru

Michimasa Obana

Hideo Kasama

Takashi Nakamura

Seiji Wada

Junichi Ishibashi

Hitoshi Sakaguchi

Kazuyuki Marukawa

Hiroki Tetsukawa

Takanori Ishikawa

Shinji Ohta

Shinji Oota

Generation of evaluation value information about a motion vector, extraction of candidates for the motion vector on the basis of the evaluation value information, and determination of the motion vector to be allocated from the candidates for the motion vector are performed. The possibility that a reference pixel a in a second frame is a candidate for a motion from a target point in a first frame is evaluated on the basis of pixel-value correlation information to generate an evaluation value table. A constant area is adaptively set around each of the target pixel and the reference pixel corresponding to each extracted candidate for the motion vector in accordance with the state of the continuity of a constant pixel value. The motion vector from the first frame to the second frame is allocated on the basis of the result of comparison between values calculated for the constant areas.

Motion vector detecting apparatus, motion vector detecting method, and program

A device and method that serve to generate an accurate evaluation-value table and to detect a correct motion vector are provided. A weight coefficient W is calculated on the basis of correlation information of a representative-point pixel and flag-correlation information based on flag data corresponding to pixel-value difference data between a subject pixel and a pixel in a neighboring region of the subject pixel. A confidence index is generated on the basis of the weight coefficient W calculated and an activity A as an index of complexity of image data, or a confidence index is generated on the basis of similarity of motion between the representative point and a pixel neighboring the representative point, and an evaluation value corresponding to the confidence index is accumulated to generate an evaluation-value table. Furthermore, correlation is checked on the basis of positions or pixel values of feature pixels neighboring the subject pixel to determine a motion vector.

Motion-vector detecting device, motion-vector detecting method, and computer program

A disc drive, camera and a server are in communication with one another via a communication network. The disc drive plays back a disc in order to reproduce a recorded picture, whereby the picture and a real-time world view supplied from the camera are combined based on an address table managed by the server to produce a synthetic picture data. For example, a recorded picture reproduced from the disc and real-time world view taken by the camera are combined to synthesize a picture. Thus, content recorded in a recording medium can be used to produce the synthetic picture data.

Contents reproducing method and device for reproducing contents on recording medium

The present invention relates to a signal processing device which learns operations made by a user without the user knowing, and which can perform processing optimal to the user based on the learning results. At a learning unit, operating signals supplied according to user operations are monitored, and judgment is made whether or not these can be used for learning. In the event that the operating signals are learning operating signals which can be used for learning, the learning unitlearns a correction norm which is the norm for correcting input signals, based on the learning operating signals. On the other hand, at a correcting unit, post-correction signals, wherein the input signals are corrected based on the correction norm obtained by learning, are output as output signals. The present invention can be applied to an NR (Noise Reduction) circuit which removes noise.

Signal processing device and method which learn a prediction coefficient by least-Nth-power error minimization of student teacher data error to detect a telop within image signals which are input signals by selectively outputting input signals following decision of the processing deciding means

A memory device, a signal processing apparatus, and an image signal processing apparatus and signal processing methods configured to perform matching processing with a small amount of calculation and accurately detecting motion vectors, provided with a memory for converting by using a feature including a pixel value in a certain block range having a focused pixel at its center as an address based on information of a reference frame stored in a second frame memory; and a matching portion for reading storage information of the ME memory by using a feature of a focused pixel included in information of a current frame supplied from a first frame memory as a feature address, calculating a distance between the focused pixel in the current frame and a feature address (position coordinates) read from the ME memory, and detecting differential coordinates based on position information having the minimum distance from a plurality of candidates as motion vectors of the focused pixel.

Memory device signal processing apparatus image signal processing apparatus and methods of the same

A signal processing device and signal processing method, and program and recording medium, whereby images and the like closer approximating real world signals can be obtained. An object which is moving at a movement amount v in the horizontal direction is photographed, and an image wherein the object is blurred is input into a signal processing device. A continuity setting unit supplies the movement amount v of the object to an actual world estimating unit as continuity information. The actual world estimating unit estimates a pixel value for an image without blurring, by computing a normal equation comprising a model equation which models the relation of the pixel values in the input image and the pixel values in an image without blurring according to the movement amount v, and a constraint condition expression which constrains between the pixels in an image without blurring, and supplies this to an image generating unit. The present invention can be applied to, for example, cases of removing movement blurring from an image, for example.

Signal processing device, and signal processing method, and program, and recording medium

The present invention relates to a signal processing device and signal processing method, and program and recording medium, whereby images and the like closer approximating real world signals can be obtained. With regard to an input image of dimensions fewer than the dimensions of actual world light signals, wherein actual world light signals have been projected and a part of the continuity of the actual world light signals has been lost, actual world signals are estimated at an actual world signal estimating unitfrom the input image within a processing region set at a processing region setting unit, corresponding to continuity set at a continuity setting unit. On the other hand, information relating to at least one of processing region, continuity, and actual world signals, is supplied from a user I/Fto the processing region setting unit, continuity setting unit, or actual world signal estimating unit, according to user operations. The present invention can be applied to, for example, cases of removing movement blurring from an image, for example.

Signal processing device, signal processing method, program, and recording medium

A signal processing device, signal processing method, and program and recording medium which provide images and the like closer approximating real world signals. The signal processing device includes a processing region setting unit, a motion vector setting unit, a model generator, a normal equation generator, a weighting change unit, and a real world estimating unit.

An image processing apparatus and an image processing method capable of performing matching processing with a small amount of calculation and highly accurately detecting a motion vector, etc., provided with a first feature extraction portionfor extracting a feature and spatial coordinates of a focused pixel from information of a current frame; a second feature extraction portionfor extracting from information of a reference frame a feature, a focused pixel, spatial coordinates of the focused pixel, spatial coordinates of vicinity region of the focused pixel, and distance information of the focused pixel with respect to the spatial coordinates; a database creation portionfor creating a database indicating relative relationship of the feature, the focused pixel, the spatial coordinates in the vicinity of the focused pixel and the distance information of the focused pixel with respect to the spatial coordinates; and a motion vector detection portionfor obtaining spatial coordinates of a shifted position by calculating by searching distance information linked to the feature from the database based on the feature extracted by the first feature extraction portion

Storage device, signal processor, image signal processor, and their methods

An image signal conversion apparatus for converting a SD signal () into a HD signal (or the like). In the image signal conversion section, the SD signal is converted into the HD signal, and the image is displayed on the display section. A class code CL indicating a class of a subject pixel of the HD signal is obtained by detecting a space class and a motion class from tap pixel data corresponding to the subject pixel of HD signal which is selectively fetched from a SD signal. The controller loads coefficient data of each class according to the selected resolution into the coefficient memory from the information memory bank when the user selects the resolution. In the calculation circuit pixel data of the subject pixel of the HD signal is calculated using an estimating equation based on the tap data xi corresponding to the subject pixel of the HD signal selectively fetched from the SD signal in the tap selection circuit and the coefficient data read in class code CL from the coefficient memory.

Image signal conversion apparatus, method and, display for image signal conversion based on selected pixel data

A signal processing device, signal processing method, and program and recording medium which provide images and the like closer approximating real world signals. The signal processing device includes a processing region setting unit, a movement vector setting unit, a model generator, a normal equation generator, an activity detector, a weighting change unit, and a real world estimating unit.

Signal processing device and signal processing method, and program and recording medium

A signal processing device for learning operations made by a user, and for generating signal optimal to the user based on the learning results. A learning unit monitors supplied operating signals generated based on user operations, and judges whether to learn the operating signals. When the operating signals are to be learned, the learning unit learns a correction norm for correcting input signals, based on the learning operating signals and outputs the correction norm to a correcting unit. The correcting unit corrects input signals based on the correction norm and outputs the corrected signals as output signals. The present invention can be applied to an NR (Noise Reduction) circuit which removes noise.

Signal processor

The present invention relates to an image signal conversion apparatus or the like preferably applied, for example, when a SD signal (525i) is converted into a HD signal (525p or the like). In the image signal conversion section (), the SD signal is converted into the HD signal, and the image is displayed on the display section (). A class code CL indicating a class of a subject pixel of the HD signal is obtained by detecting a space class and a motion class from tap pixel data corresponding to the subject pixel of HD signal which is selectively fetched from a SD signal. The controller () loads coefficient data of each class according to the selected resolution into the coefficient memory () from the information memory bank () when the user selects the resolution. In the calculation circuit (), pixel data of the subject pixel of the HD signal is calculated using an estimating equation based on the tap data xi corresponding to the subject pixel of the HD signal selectively fetched from the SD signal in the tap selection circuit () and the coefficient data wi read in class code CL from the coefficient memory ().

Image signal conversion apparatus, method and display for image signal conversion based on selected pixel data

Disclosed is a thread servo of a disk drive system, in which a slide mechanism is driven on a slide drive signal generated from an error signal of the slide mechanism. When a precursory phenomenon of making unstable the operation of the slide mechanism is detected, the driving operation of the slide mechanism is stopped.

Disk drive system with releasing apparatus

The optical disc reproducing apparatus comprises an ATIP demodulator which is supplied, from a matrix amplifier, with a wobble signal incorporating an address information in a modulated component thereof. In the ATIP demodulator, the free-run frequencies of the pair of VCOs change correspondingly to a moved position of a sled. Therefore, the ATIP demodulator can work well even if the carrier frequency of the wobble signal changes.

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Kanagawa, Japan

Kazushi Yoshikawa