JP2013239995A5

JP2013239995A5 -

Info

Publication number: JP2013239995A5
Application number: JP2012113169A
Authority: JP
Filing date: 2012-05-17
Publication date: 2014-09-04
Anticipated expiration: 2032-05-17

Claims

In a vehicle- mounted camera system that is mounted on a vehicle, connects a video transmission device and a video reception device via a network, and performs image recognition of the captured video.
The video transmission device includes:
A transmission-side network IF that communicates with the video reception device;
An encoder control unit that acquires parameter information related to encoding processing via the transmission-side network IF;
An encoder that encodes the captured video using the parameter information acquired by the encoder control unit to generate a video stream, and transmits the video stream to the transmission-side network IF;
With
The video receiver is
A receiving-side network IF that communicates with the video transmitting device;
Obtaining the traveling state of the vehicle, determining image recognition processing corresponding to the traveling state, and parameter information for encoding corresponding to the image recognition processing, and determining the determined parameter information via the receiving-side network IF A recognition control unit for transmitting to the video transmission device;
An image recognition unit that performs image recognition processing determined by the recognition control unit using a video stream received via the reception-side network IF;
Vehicle camera system comprising: a.

In a vehicle- mounted camera system that is mounted on a vehicle, connects a video transmission device and a video reception device via a network, and performs image recognition of the captured video.
The video transmission device includes:
A transmission-side network IF that communicates with the video reception device;
An encoder control unit that obtains the traveling state of the vehicle and determines parameter information related to the encoding process;
An encoder that encodes the captured video using the parameter information determined by the encoder control unit to generate a video stream, and transmits the video stream to the transmission-side network IF;
With
The video receiver is
A receiving-side network IF that communicates with the video transmitting device;
Obtaining the traveling state of the vehicle, determining image recognition processing corresponding to the traveling state, and parameter information for encoding corresponding to the image recognition processing, and determining the determined parameter information via the receiving-side network IF A recognition control unit for transmitting to the video transmission device;
An image recognition unit that performs image recognition processing determined by the recognition control unit using a video stream received via the reception-side network IF;
An in-vehicle camera system comprising:

The in-vehicle camera system according to claim 1 or 2,
The in-vehicle camera system, wherein the parameter information determined by the recognition control unit is at least an image size, a color format, a bit depth, or a region of interest.

The in-vehicle camera system according to claim 1,
Furthermore, the video transmission device includes:
An image processing unit that performs image processing on the captured video;
An image processing control unit for controlling image processing parameters of the image processing unit,
The recognition control unit of the video reception device transmits image processing control information for performing image processing to a video stream to be transmitted to the video transmission device when switching a recognition processing operation,
The in-vehicle camera system, wherein the image processing control unit of the video transmission device changes an image processing parameter of the image processing unit based on the transmitted image processing control information .

In the vehicle-mounted camera system according to claim 1 or 4,
A plurality of the video transmission devices are connected to the video reception device,
The in-vehicle camera system, wherein the recognition control unit of the video reception device can select a transmission method of the parameter information and the image processing control information transmitted to each video transmission device.

In a video reception device that receives a video stream from a video transmission device and performs image recognition,
A network IF that receives the video stream packetized via the network and performs depacketization processing;
A decoder that decodes the video stream to generate a reproduced image;
An image recognition unit for performing image recognition processing on the reproduced image;
A recognition control unit that switches a recognition processing operation of the image recognition unit,
The recognition control unit, when switching the recognition processing operation of the image recognition unit, parameter information for changing the video stream transmitted from the video transmission device to a format suitable for the switched recognition processing operation, and the transmitted A video receiving apparatus, wherein at least one of image processing control information for performing image processing on a video stream is transmitted to the video transmitting apparatus.

In a video transmission device that transmits a video stream to a video reception device,
A transmission-side network IF that communicates with the video reception device;
An encoder control unit that obtains the running state and determines parameter information related to the encoding process;
An encoder that encodes the captured video using the parameter information determined by the encoder control unit to generate a video stream, and transmits the video stream to the transmission-side network IF;
A video transmission apparatus comprising:

In a video transmission device that transmits a video stream to a video reception device,
A transmission-side network IF that communicates with the video reception device;
An encoder control unit that acquires parameter information related to encoding processing via the transmission-side network IF;
An encoder that encodes the captured video using the parameter information acquired by the encoder control unit to generate a video stream, and transmits the video stream to the transmission-side network IF;
With
The video transmission apparatus, wherein the encoder control unit turns on / off a clock operation or changes an operation frequency in an encoding process using the acquired parameter information.