Panasonic Corporation

Matsushita Electric Industrial Co., Ltd.

Kengo Nishimura

Yohei Ikeuchi

Shoji Kawamura

Akihiro Miyazaki

Kunihiko Hayashi

Tomoki Mizobuchi

Satoshi Ikawa

Kazuyuki Uchida

Jyunichi Nakahashi

A 3D decoding apparatus according to the present invention includes: a decoding unit which decodes left-eye and right-eye code signals to generate left-eye and right-eye decode signals; an error determining unit which determines an error of the left-eye and the right-eye code signals; an output determining unit which determines, when there is an error in one of the left-eye and the right-eye code signals, whether the one of the code signals that is determined as including an error has an error data mount equal to or greater than a first threshold; and an output unit which outputs neither the left-eye nor the right-eye code signal when the error data amount is smaller than the first threshold, and outputs only the decode signal obtained by decoding the other of the code signals when the error data amount is equal to or greater than the first threshold.

3D video decoding apparatus and 3D video decoding method

A 3D video processing apparatus according to an aspect of the present invention includes an offset value complementing unit which complements an offset value of the first picture, by assigning a value which is equal to or greater than the first offset value and equal to or smaller than the second offset value, the first offset value representing the smaller one of the offset value assigned to the second picture temporally preceding the first picture and the offset value assigned to the third picture temporally succeeding the first picture, and the second offset value representing the larger one of the offset value assigned to the second picture and the offset value assigned to the third picture.

3D video processing apparatus and 3D video processing method

A 3D video processor that outputs a left-eye image and a right-eye image to be superimposed on main video includes: a left-eye object processing unit that outputs the left-eye image; a right-eye object processing unit that outputs the right-eye image; and an image output control unit that controls the left-eye object processing unit and the right-eye object processing unit so that the images are synchronously outputted. The left-eye object processing unit determines if image output preparation of the left-eye image is completed. The right-eye object processing unit determines if image output preparation of the right-eye image is completed. The image output control unit instructs to skip the output of both the images, when the image output preparation of one of the left-eye image and the right-eye image is not completed.

3D video processor and 3D video processing method

A 3D video processor that outputs a left-eye image and a right-eye image to be superimposed on main video includes: a left-eye object processing unit that outputs the left-eye image; a right-eye object processing unit that outputs the right-eye image; and an image output control unit that controls the left-eye object processing unit and the right-eye object processing unit so that the left-eye image and the right-eye image are synchronously outputted. The left-eye object processing unit determines whether or not image output preparation of the left-eye image is completed. The right-eye object processing unit determines whether or not image output preparation of the right-eye image is completed. The image output control unit instructs to skip the output of both the left-eye image and the right-eye image, when the image output preparation of one of the left-eye image and the right-eye image is not completed.

In synchronization of a conventional AV system, when a stream as the master stops, a system clock cannot be corrected for synchronization. Since the correction is consistently performed even when an error is small, overhead of correction is large. On the other hand, when an error is large, sharp correction causes a feeling that something wrong. In the present invention, when the stream as the master stops, previously registering the degree of priority regarding the master, consideration of a corrected period or a previous error for the system clock, or transmitting a stream containing information regarding the master can allow for other process to serves as the master. Accordingly, it is possible to provide a method for synchronization with maintaining correction of the system clock. When a corrected error is large, gradual correction or reference can provide a system with normal feeling. Furthermore, when an error of correction is small, omission of correction or reference can provide a system with less overhead.

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Osaka, Japan

Kengo Nishimura