Coding scene transitions in video coding

A video encoder for generating a scene transition in a video sequence between at least a first and a second scene, the first scene being an ending scene and the second a beginning scene, at least one of said scenes comprising independently decodable video frames coded in accordance with at least a first frame format, and video frames coded in accordance with a second frame format, at least one of the video frames according to the second frame format being predicted from at least one other video frame, wherein the video encoder is arranged to

• determine that the presentation time of at least one video frame of the first scene is equal to the presentation time of at least one video frame of the second scene during the scene transition, said video frames being scene transition video frames,
• determine scene transition information for at least one video frame of at least one scene for generating a scene transition with a decoder, to code said at least one scene transition video frame of the first scene in a encoder into a video sequence,
• code at least said one scene transition video frame of the first scene in the encoder into the video sequence,
• code at least said one scene transition video frame of the second scene in the encoder into the video sequence, and
• code said scene transition information in the encoder into the video sequence.

A mobile station of a mobile communication system, including a video encoder for generating a scene transition in a video sequence between at least a first and a second scene, the first scene being an ending scene and the second a beginning scene, at least one of said scenes comprising independently decodable video frames coded in accordance with at least a first frame format, and video frames coded in accordance with a second frame format, at least one of the video frames according to the second frame format being predicted from at least one other video frame, wherein the video encoder is arranged to

• determine that the presentation time of at least one video frame of the first scene is equal to the presentation time of at least one video frame of the second scene during the scene transition, said video frames being scene transition video frames,
• determine scene transition information for at least one video frame of at least one scene for generating a scene transition with a decoder, to code said at least one scene transition video frame of the first scene in a encoder into a video sequence,
• code at least said one scene transition video frame of the first scene in the encoder into the video sequence,
• code at least said one scene transition video frame of the second scene in the encoder into the video sequence, and
• code said scene transition information in the encoder into the video sequence.

Computer software for generating a scene transition in a video sequence between at least a first and a second scene, the first scene being an ending scene and the second a beginning scene, at least one of said scenes comprising independently decodable video frames coded in accordance with at least a first frame format, and video frames coded in accordance with a second frame format, at least one of the video frames according to the second frame format being predicted from at least one other video frame, wherein the computer software comprises

• software means for determining that the presentation time of at least one video frame of the first scene is equal to the presentation time of at least one video frame of the second scene during the scene transition, said video frames being scene transition video frames,
• software means for determining scene transition information for at least one video frame of at least one scene for generating a scene transition with a decoder, to code said at least one scene transition video frame of the first scene in a encoder into a video sequence,
• software means for coding at least said one scene transition video frame of the first scene in the encoder into the video sequence,
• software means for coding at least said one scene transition video frame of the second scene in the encoder into the video sequence, and
• software means for coding said scene transition information in the encoder into the video sequence.

A method of decoding a scene transition from a video sequence between at least a first and a second scene, the first scene being an ending scene and the second a beginning scene, at least one of said scenes comprising independently decodable video frames coded in accordance with at least a first frame format, and video frames coded in accordance with a second frame format, at least one of the video frames according to the second frame format being predicted from at least one other video frame, the method comprising

• receiving a video frame of the first scene, a video frame of the second scene and scene transition information, coded in a decoder,
• decoding the coded video frame of the first scene,
• decoding the coded video frame of the second scene,
• decoding the coded scene transition information,
• generating a scene transition by using the decoded video frame of the first scene, the decoded video frame of the second scene and the decoded scene transition information.

A decoder for decoding a scene transition from a video sequence between at least a first and a second scene, the first scene being an ending scene and the second a beginning scene, at least one of said scenes comprising independently decodable video frames coded in accordance with at least a first frame format, and video frames coded in accordance with a second frame format, at least one of the video frames according to the second frame format being predicted from at least one other video frame, wherein the decoder is arranged to

• receive a video frame of a first scene, a video frame of a second scene and scene transition information, coded in a decoder,
• decode the coded video frame of the first scene,
• decode the coded video frame of the second scene,
• decode the coded scene transition information, and
• generate a scene transition by using the decoded video frame of the first scene, the decoded video frame of the second scene and the decoded scene transition information.

A mobile station of a mobile communication system, including a decoder for decoding a scene transition from a video sequence between at least a first and a second scene, the first scene being an ending scene and the second a beginning scene, at least one of said scenes comprising independently decodable video frames coded in accordance with at least a first frame format, and video frames coded in accordance with a second frame format, at least one of the video frames according to the second frame format being predicted from at least one other video frame, wherein the decoder is arranged to

• receive a video frame of a first scene, a video frame of a second scene and scene transition information, coded in a decoder,
• decode the coded video frame of the first scene,
• decode the coded video frame of the second scene,
• decode the coded scene transition information, and
• generate a scene transition by using the decoded video frame of the first scene, the decoded video frame of the second scene and the decoded scene transition information.

Computer software for decoding a scene transition from a video sequence between at least a first and a second scene, the first scene being an ending scene and the second a beginning scene, at least one of said scenes comprising independently decodable video frames coded in accordance with at least a first frame format, and video frames coded in accordance with a second frame format, at least one of the video frames according to the second frame format being predicted from at least one other video frame, wherein the software comprises

• software means for receiving a video frame of a first scene, a video frame of a second scene and scene transition information, coded in a decoder,
• software means for decoding the coded video frame of the first scene,
• software means for decoding the coded video frame of the second scene,
• software means for decoding the coded scene transition information, and
• software means for generating a scene transition by using the decoded video frame of the first scene, the decoded video frame of the second scene and the decoded scene transition information.