Kabushiki Kaisha Toshiba

Hoya Corporation

Kabuhsiki Kaisha Toshiba

Hoya Lens Thailand Ltd.

Yoshihiro Kikuchi

Takeshi Chujoh

Shinichiro Koto

Toshiaki Watanabe

Takeshi Nagai

Kenshi Dachiku

Noboru Yamaguchi

Takashi Ida

Tadaaki Masuda

Yuji Kawashima

Hideyuki Ueno

Tadahiro Oku

Toshinori Odaka

Tatsuro Fujisawa

Tomoo Yamakage

Yoshiharu Uetani

Akiyuki Tanizawa

Shingo Suzuki

Akira Kitani

Rieko Furukawa

Takashi Hatanaka

Hiroyuki Kobayashi

Toshifumi Hayashi

Satoshi Hoshina

Noriaki Kitada

Kosuke Uchida

Akira Sakuma

Michio Arai

Haruhiko Okumura

Goh Itoh

Hitoshi Kobayashi

Takashi Igarashi

Shuichi Sato

Hisao Fujiwara

Yoko Sambonsugi

Satoshi Annaka

Hua Qi

Wataru Asano

Keigo Hasegawa

Makoto Oshikiri

Michiyo Morimoto

Shigeru Takizawa

Takeo Koseki

Tsuyoshi Saigo

Kenta Ueoka

In a spectacle lens including a permanent mark arranged on a concave surface, a layout mark indicating a predetermined reference position on a convex surface is arranged on the convex surface.

Spectacle lens

There is provided a circumference calculating device including an expected shape specifying partconfigured to obtain an expected finish shape of a bevel in consideration of an interference amount of a beveling tool when beveling is performed to an uncut spectacle lens; and a theoretical circumference calculating partconfigured to obtain a bevel circumference of the spectacle lens having the expected finish shape obtained by the expected shape specifying partas a theoretical circumference of this spectacle lens.

Method of calculating circumference and manufacturing a spectacle lens, circumference calculating device and circumference calculating program for use in producing a spectacle lens

A video encoding method and apparatus to select one combination, for each block of an input video signal, from a plurality of combinations. Each combination includes a predictive parameter and at least one reference picture number determined in advance for the reference picture. A prediction picture signal is generated in accordance with the reference picture number and predictive parameter of the selected combination. A predictive error signal is generated representing an error between the input video signal and the prediction picture signal. Encoding the predictive error signal, information of the motion vector, and index information indicating the selected combination is included.

Video encoding/decoding method and apparatus for motion compensation prediction

A controllerthat gives an instruction of edging a spectacle lens, to a lens edger based on frame shape data outputted from a spectacle frame measuring machine, includes: recognition partsthat recognize a positional relation between a groove shape of the spectacle frame whose frame shape data is measured, and a measurement reference point being a reference when measuring the frame shape data, and a positional relation between a beveling instruction reference point being a reference when a beveling instruction is given to the lens edger and a bevel shape obtained by the beveling; and a beveling amount correcting partthat corrects a beveling amount when giving an instruction of beveling to the lens edger based on each positional relation recognized by the recognition parts, so that the bevel shape is fitted into the groove shape.

Method of edging a spectacle lens, spectacle lens edging system and spectacle lens edging program

Video encoding/ decoding method and apparatus for motion compensation prediction

According to one embodiment, an information processing apparatus which encodes a moving image signal, includes an inter-prediction mode determination unit which determines a combination of an inter-prediction mode used by an inter-prediction unit and a DCT used by a transformation unit among from an inter-prediction modes and a DCTs, for each of macroblocks. The inter-prediction mode determination unit includes a first selection unit which selects DCTs of a predetermined number from the DCTs, for at least one specific inter-prediction mode among the inter-prediction modes, and a second selection unit which selects a combination of one inter-prediction mode and one DCT from the inter-prediction modes and the DCTs of the predetermined number selected by the first selection unit.

Information processing apparatus and inter-prediction mode determination method

According to one embodiment, an information processing apparatus includes an inter-prediction unit which generates a prediction signal, a transformation unit which orthogonal transform a prediction residual signal between the prediction signal and a picture signal of the macro block, and an inter-prediction mode determining unit which determines a combination of an inter-prediction mode used by the inter-prediction unit and DCT used by the transformation unit for each macro block. The inter-prediction mode determining unit includes a first selection unit which selects a preset number of inter-prediction modes from plural types of inter-prediction mode with a specified type of DCT, and a second selection unit which selects a combination of one inter-prediction mode and one DCT from the preset number of inter-prediction modes selected by the first selection unit and the plural types of DCT.

Information processing apparatus and inter-prediction mode determining method

According to one embodiment, a video decoding apparatus decoding a video stream selectively generates one of an intra prediction image and an inter prediction image based on an encoding mode of a decoding object from the video stream and decoded images thereof, generates a residual decoded image based on a quantization parameter of a decoding object from the video stream, generates a decoded image by adding one of an intra prediction image and an inter prediction image selectively generated, and the residual decoded image, applies deblocking filter process for reducing a block distortion onto the decoded image, extracts information on an encoding mode from the video image stream to determine whether or not inter prediction processes for generating the inter prediction image should be simplified, and simplifies the inter prediction process step-by-step on the basis of the result of the determination.

Video decoding apparatus and video decoding method

According to one embodiment, information processing apparatus which decodes compressed and encoded video stream by software, selectively generates one of intra and inter prediction image on the basis of encoding mode of decoding object from video stream and decoded images thereof, generates a residual error decoded image on the basis of a quantization parameter of decoding object from video stream, generates decoded image by adding intra and inter prediction image selectively generated, and residual error decoded image, applies deblocking filter process for reducing block distortion onto decoded image, extracts at least one of information on a quantization parameter and information on encoding mode of decoding object from video stream, determines whether or not filter process is skipped on the basis of extracted information thereof, and selectively skips filter process on the basis of a result of determination, and selectively switches determination and processing of skip to be valid or invalid.

Information processing apparatus and video decoding method of information processing apparatus

According to one embodiment, an information processing apparatus which includes a video decoding processing to decode a compressed and encoded video image stream by software, selectively generates one of an intra prediction image and an inter prediction image on the basis of an encoding mode of a decoding object from the video stream and a decoded image thereof, generates a residual decoded image based on a quantization parameter of a decoding object from the video stream, generates a decoded image by adding the generated prediction image and the residual decoded image, applies a deblocking filter process, extracts information on an encoding mode from the video image stream to determine whether or not inter prediction processes for generating the inter prediction image should be simplified, simplifies the inter prediction process step-by-step on the basis of the result of the determination.

According to one embodiment, a moving image decoding apparatus is applied in a video reproducing apparatus and includes a deblocking filter unit for performing deblocking filtering and a processing load detection unit for detecting an intra-unit processing load including a processing load of a decoder. The moving image decoding apparatus sets a judgment threshold value for judging whether or not to perform the deblocking filtering depending on a load level indicating the level of the magnitude of the intra-unit processing load, judges whether or not a processing parameter obtained from adjacent blocks of a plurality of blocks constituting each frame is greater than the judgment threshold value, and conducts control not to perform the deblocking filtering when the processing parameter is smaller than the judgment threshold value.

Moving image decoding apparatus and moving image decoding method

A lens machining apparatus is provided that can execute everything required in machining eyeglass lenses, from measurement to various kinds of machining, and still ensures high-precision machining. The apparatus includes a lens holding unit 12 which holds a lens 1 and causes the same to turn, a cutter 131 which cuts (edges) the circumferential surface of the lens in a prescribed cross-sectional shape, an end mill 141 which machines a groove in the circumferential surface of the lens whose circumferential surface has been cut (edged) and chamfers edges at the lens circumferential surface, and a lens measurement unit 15 which measures the shape and the position of the lens held by the lens holding unit.

Lens machining apparatus and method

According to one embodiment, a video decoding apparatus decoding a video stream selectively generates one of an intra prediction image and an inter prediction image based on an encoding mode of a decoding object from the video stream and decoded images thereof, generates a residual decoded image based on a quantization parameter of a decoding object from the video stream, generates a decoded image by adding an intra prediction image and an inter prediction image selectively generated, and the residual decoded image, applies deblocking filter process for reducing a block distortion onto the decoded image, extracting at least one of information on a quantization parameter and information on an encoding mode of a decoding object from the video stream, and determining whether or not the filter process is skipped based on extracted information thereof, and selectively skipping the filter process based on a result of the determination.

A communication terminal performs a discrete cosine transform and a quantization process in accordance with a selected coding mode so as to reduce loads caused by these processings and suppress degradation of picture quality. When performing coding of a moving picture inputted through a picture input part, a control part determines which coding mode among 4&#xd7;4 intra prediction coding on a luminance signal, 16&#xd7;16 intra prediction coding, intra prediction coding on a color-differential signal, and inter prediction coding is performed. In accordance with the selected coding mode, and in view of a predictive error, the processing content in the discrete cosine transform and the quantization process is switched.

Communication terminal

One embodiment of the invention provides a video coding apparatus including an intraprediction section that generates prediction signals by plural intraprediction modes, an interprediction section that generates prediction signals by plural interprediction modes, and a first determination section that selects a first prediction mode to select a prediction signal by the first prediction mode from among the prediction signals by the plural intraprediction modes and the plural interprediction modes. The first determination section includes a second determination section that selects a second prediction mode from among the plural interprediction modes, a candidate limiting section that selects at least one of the plural intraprediction modes based on the second prediction mode, a third determination section that selects a third prediction mode from among the at least one of the plural intraprediction modes and a fourth determination section that selects the first prediction mode from among the second and third prediction modes.

Video coding apparatus

Growing community of inventors

Yokohama, Japan

Yoshihiro Kikuchi