Hitachi-kokusai Electric Inc.

Yuichi Onami

Toshiyuki Aritsuka

Sumie Nakabayashi

Masatoshi Kondo

Tomohiro Aikawa

Naoki Hashiguchi

Koji Aramaki

An image processing apparatus for encoding or decoding an image, wherein, even when it is desired to process a motion picture having, e.g., a high resolution, the capacity of a memory necessary for storing a predictive frame is reduced. In an image processing device such as an image encoding or decoding device for encoding or decoding an image, the processing device encodes or decodes the image in an intra-child-frame correlation system or in an inter-child-frame correlation system. In the system, a frame of the image to be processed is treated as a parent frame, the parent frame is divided into a plurality of child frames, and an intra-child-frame correlation or an inter-child-frame correlation is used for each child frame.

Image processing apparatus

On the basis of state change information acquired by one of sensor nodes forming a sensor network, an instruction indicative of emitting a signal is issued to another node to acquire a photographed image from a camera. An image processing device identifies the ID and actual position of the node by issuing the signal issuance instruction to the node and detecting a signal obtained from the node from the photographed image. On the basis of personal information stored in a database, the image processing device detects a not-allowed action.

Node management system and node managing program using sensing system

In a picture transmission network including networks of different transmission speeds, when a picture is sent at a bit rate which is adjusted to the transmission speed of a low-speed network, only a low-quality picture of a low bit rate is obtained in a video reception unit connected to a network of a high transmission speed. When a picture is sent at a transmission rate of a network having high transmission speed, the picture cannot be reproduced at all in a video reception unit connected to a network of a low transmission speed. To solve the problem, a video transmission unit generates at least an I picture data and a plurality of P picture data. In accordance with a request from the network, the I picture data and a predetermined number of P picture data is transmitted to the network.

Video data transmission method for changing transmission data amounts in accordance with a transmission speed and a transmission system therefor

Coded, or compressed data of moving pictures is received through a transmission path. The picture type of the compressed data is detected from the received compressed data of moving pictures. If the picture type of the received compressed data of moving pictures is found to be intra picture, predetermined image data is supplied to a monitor so that it can be displayed on the monitor, and also to a memory so that it can be stored in the memory. If the picture type of the detected compressed data is found to be inter picture, the image data resulting from decoding the received compressed data and the image data stored in the memory are added together, and the data resulting from the addition is supplied to the monitor so that it can be displayed on the monitor and also to the memory so that it can be stored in the memory. Therefore, the image to be monitored and to be cautious about can be displayed on the monitor.

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Iruma, Japan

Yuichi Onami