System and method of high-resolution digital data image transmission

• US 9,288,513 B2
• Filed: 08/29/2011
• Issued: 03/15/2016
• Est. Priority Date: 08/29/2011
• Status: Active Grant

• Current Assignee: Aerovironment
• Original Assignee: Aerovironment
• Inventors: Omer, Thomas, Szarek, Thomas, McBride, Jefferson C.
• Primary Examiner(s): Anyikire, Chikaodili E
• Assistant Examiner(s): Abimbola, Kehinde O
• Application Number:
  US13/220,197
• Publication Number:
  US 20130050486A1
• Time in Patent Office: 1,660 Days
• Field of Search: None
• US Class Current: 1/1
• CPC Class Codes: H04B 7/18504 Aircraft used as relay or high altitude atmospheric platform
• CPC Class Codes: H04N 21/2187 Live feed
• CPC Class Codes: H04N 21/23611 Insertion of stuffing data into a multiplex stream, e.g. to obtain a constant bitrate synchronisation arrangements in time-division multiplex systems using bit stuffing for systems with different or fluctuating information rates H04J3/073
• CPC Class Codes: H04N 21/23614 Multiplexing of additional data and video streams arrangements for simultaneous broadcast of plural pieces of information H04H20/28
• CPC Class Codes: H04N 21/2743 Video hosting of uploaded data from client
• CPC Class Codes: H04N 21/41422 located in transportation means, e.g. personal vehicle arrangements specially adapted for transportation systems in broadcast systems H04H20/62
• CPC Class Codes: H04N 21/4223 Cameras H04N23/00 takes precedence
• CPC Class Codes: H04N 21/4348 Demultiplexing of additional data and video streams
• CPC Class Codes: H04N 21/8153 comprising still images, e.g. texture, background image
• CPC Class Codes: H04N 23/60 Control of cameras or camera modules
• CPC Class Codes: H04N 23/661 Transmitting camera control signals through networks, e.g. control via the Internet
• CPC Class Codes: H04N 7/185 from a mobile camera, e.g. for remote control

Abstract

A system and method for transmitting still images and a video feed from an unmanned aerial vehicle to a ground station is disclosed. The system includes an aircraft including a digital video camera to capture still images and video frames of an object. A video encoder is coupled to the camera to provide a video output including video packets. A file server is coupled to the camera to provide a still image output including image data packets. A multiplexer is coupled to the video output and the still image output. The multiplexer produces a data transmission including the video packets and the image data packets. A transmitter sends the data transmission to the ground station. The ground station receives the data transmission and demultiplexes the packets into separate video and image data packets. The ground control station may select the ratio the video stream images in relation to the still image to be transmitted from the aircraft.

Claims

1. A system for transmitting still images and a video feed to a remote location, the system comprising:

an aircraft including a digital video camera to capture still images and video frames of an object;

a video encoder coupled to the camera to provide a video output including video packets;

a file server coupled to the camera to provide a still image output including image data packets;

a multiplexer coupled to the video output and the still image output, the multiplexer producing a data transmission including the video packets and the image data packets; and

a transmitter to send the data transmission to the remote location;

wherein the still image is one of a plurality of still images captured by the camera, the image data packets including an identifier field identifying the still image associated with the image data packet.

2. The system of claim 1 further comprising:

a ground station receiver at the remote location to receive the data transmission;

a demultiplexer coupled to the receiver to demultiplex the video packets and the image data packets from the data transmission;

a video decoder coupled to the demultiplexer to output the video stream; and

a combiner coupled to the demultiplexer to combine the image data packets in the still image.

3. The system of claim 1, wherein the multiplexer is controlled to combine a predetermined ratio of video packets to image data packets in the data transmission.

4. The system of claim 1, wherein the multiplexer includes an image only mode which sets the rate of video images to a minimum number of frames per second and a minimum resolution.

5. A system for receiving a combined data transmission of video stream packets and image data packets associated with a still image sent from an aircraft, the system comprising:

a receiver for receiving a multiplexed data transmission including video stream packets and image data packets;

a demultiplexer coupled to the receiver, the demultiplexer to separate the video stream packets and the image data packets;

a video decoder coupled to the demultiplexer to assemble the video packets to produce a video stream;

a combiner coupled to the demultiplexer to combine the image data packets to form a still image;

an aircraft including a digital video camera to capture a still image and video frames of an object;

a video encoder coupled to the camera to provide a video output including video packets;

a file server coupled to the camera to provide an still image output including image data packets;

a multiplexer coupled to the video output and the still image output, the multiplexer producing the data transmission including the video packets and the image data packets; and

a transmitter to send the data transmission to the remote location,

wherein the still image is one of a plurality of still images captured by the camera, the image data packets including an identifier field identifying the still image associated with the image data packet.

6. The system of claim 5, further comprising a display coupled to the video decoder and the combiner to display the video stream or the still image.

7. The system of claim 5, wherein the multiplexer is controlled to combine a predetermined ratio of video packets to image data packets in the data transmission.

8. The system of claim 5, wherein the multiplexer includes an image only mode which sets the rate of video images to a minimum number of frames per second and a minimum resolution.

9. A method of transmitting a still image in a video data transmission, the method comprising:

capturing a still image via a camera;

capturing a video stream via the camera;

converting the still image into a plurality of image data packets;

converting the video stream into a plurality of video image packets;

combining the image data packets and video image packets into a data transmission;

sending the combined transmission to a remote receiver;

receiving the combined transmission on the remote receiver;

demultiplexing the combined transmission into the plurality of image data packets and video image packets;

decoding the video image packets into a video stream; and

combining the image data packets into the digital image;

wherein the still image is one of a plurality of still images captured by the camera, the image data packets including an identifier field identifying the still image associated with the image data packet.

10. The system of claim 9, wherein the combined transmission accepts a ratio of video packets to digital image packets.

11. The system of claim 9, further comprising displaying the digital image.

12. The system of claim 9, wherein the camera is mounted on an aircraft and the receiver is included in a ground station.