Capture, editing and encoding of motion pictures encoded with repeating fields or frames

A computer program product, comprising:

• a computer readable medium;
• computer program instruction stored on the computer readable medium that, when processed by a computer, instruct the computer to perform a method for processing data including an image sequence captured at a first image rate and encoded as an encoded image sequence having a second image rate with information in the encoded image sequence indicative of images that are repeated when decoded, the method comprising:
• receiving the encoded image sequence;
• and
• creating image index information for the encoded image sequence that is used to map a temporal position of an image in a decoded image sequence to a position of corresponding data in the encoded image sequence, wherein the temporal positions used with the image index information correspond to the first image rate.

A computer program product, comprising:

• a computer readable medium;
• computer program instructions stored on the computer readable medium that, when processed by a computer, instruct the computer to perform a method for processing data including an image sequence captured at a first image rate and encoded as an image sequence having a second image rate with information in the encoded image sequence indicative of images that are repeated when decoded, the method comprising:
• receiving the encoded image sequence;
• and
• clearing all information in the encoded image sequence indicative of images that are repeated when decoded.

A method for editing encoded data including an image sequence captured at a first image rate and encoded as an image sequence having a second image rate with information in the encoded image sequence indicative of images that are repeated when decoded, the method comprising:

• receiving image index information for the encoded image sequence that is used to map a temporal position of an image in a decoded image sequence to a position of corresponding data in the encoded image sequence;
• permitting an editor to create a sequence of segments of encoded image sequences at a temporal resolution corresponding to the first image rate;
• and
• during playback of the encoded image sequence, decoding the encoded image sequence, using the image index information, to produce a decoded image sequence at the first image rate by not repeating images.

An apparatus for editing encoded data including an image sequence captured at a first image rate and encoded as an image sequence having a second image rate with information in the encoded image sequence indicative of images that are repeated when decoded, the apparatus comprising:

• means for receiving image index information for the encoded image sequence that is used to map a temporal position of an image in a decoded image sequence to a position of corresponding data in the encoded image sequence;
• means for permitting an editor to create a sequence of segments of encoded image sequences at a temporal resolution corresponding to the first image rate;
• and
• means for decoding the encoded image sequence, during playback of the encoded image sequence, using the image index information, to produce a decoded image sequence at the first image rate by not repeating images.

A computer program product, comprising:

• a computer readable medium;
• computer program instructions stored on the computer readable medium that, when processed by a computer, instruct the computer to perform a method for editing encoded data including an image sequence captured at a first image rate and encoded as an image sequence having a second image rate with information in the encoded image sequence indicative of images that are repeated when decoded, the method comprising:
• receiving image index information for the encoded image sequence that is used to map a temporal position of an image in a decoded image sequence to a position of corresponding data in the encoded image sequence;
• permitting an editor to create a sequence of segments of encoded image sequences at a temporal resolution corresponding to the first image rate;
• and
• decoding the encoded image sequence, during playback of the encoded image sequence, using the image index information, to produce a decoded image sequence at the first image rate by not repeating images.

A computer system for editing encoded data including an image sequence captured at a first image rate and encoded as an image sequence having a second image rate with information in the encoded image sequence indicative of images that are repeated when decoded, the computer system comprising:

• a memory for receiving image index information for the encoded image sequence that is used to map a temporal position of an image in a decoded image sequence to a position of corresponding data in the encoded image sequence;
• an input for receiving instructions from an editor to create a sequence of segments of encoded image sequences at a temporal resolution corresponding to the first image rate;
• and
• a processor programmed to decode the encoded image sequence, during playback of the encoded image sequence, using the image index information, to produce a decoded image sequence at the first image rate by not repeating images.

A method for exporting an edited image sequence having a first image rate as an encoded image sequence having a second image rate different from the first image rate, the method comprising:

• receiving data describing an edited sequence of clips that reference source encoded image sequences using edit points at a temporal resolution corresponding to the first image rate;
• constructing the encoded image sequence according to the edited sequence of clips and using the source encoded image sequences, including:
• clearing any information in the source encoded image sequences, used in the sequence of clips, indicative of images that are repeated when decoded;
• and
• setting, in the encoded image sequence, information indicative of images that are repeated when decoded according to a cadence associated with the difference between the first image rate and the second image rate.

An apparatus for exporting an edited image sequence having a first image rate as an encoded image sequence having a second image rate different from the first image rate, the apparatus comprising:

• means for receiving data describing an edited sequence of clips that reference source encoded image sequences using edit points at a temporal resolution corresponding to the first image rate;
• means for constructing the encoded image sequence according to the edited sequence of clips and using the source encoded image sequences, including:
• means for clearing any information in the source encoded image sequences, used in the sequence of clips, indicative of images that are repeated when decoded;
• and
• means for setting, in the encoded image sequence, information indicative of images that are repeated when decoded according to a cadence associated with the difference between the first image rate and the second image rate.

A computer program product, comprising:

• a computer readable medium;
• computer program instructions stored on the computer readable medium that, when processed by a computer, instruct the computer to perform a method for exporting an edited image sequence having a first image rate as an encoded image sequence having a second image rate different from the first image rate, the method comprising:
• receiving data describing an edited sequence of clips that reference source encoded image sequences using edit points at a temporal resolution corresponding to the first image rate;
• constructing the encoded image sequence according to the edited sequence of clips and using the source encoded image sequences, including:
• clearing any information in the source encoded image sequences, used in the sequence of clips, indicative of images that are repeated when decoded;
• and
• setting, in the encoded image sequence, information indicative of images that are repeated when decoded according to a cadence associated with the difference between the first image rate and the second image rate.

A computer system for exporting an edited image sequence having a first image rate as an encoded image sequence having a second image rate different from the first image rate, the computer system comprising:

• a memory for receiving data describing an edited sequence of clips that reference source encoded image sequences using edit points at a temporal resolution corresponding to the first image rate;
• a processor programmed to construct the encoded image sequence according to the edited sequence of clips and using the source encoded image sequences, by:
• clearing any information in the source encoded image sequences, used in the sequence of clips, indicative of images that are repeated when decoded;
• and
• setting, in the encoded image sequence, information indicative of images that are repeated when decoded according to a cadence associated with the difference between the first image rate and the second image rate.

A computer-implemented method for processing data including an image sequence captured at a first image rate and encoded as an encoded image sequence having a second image rate with information in the encoded image sequence indicative of images that are repeated when decoded, the method comprising:

• receiving the encoded image sequence;
• receiving image index information for the encoded image sequence that is used to map a temporal position of an image in a decoded image sequence to a position of corresponding data in the encoded image sequence wherein the temporal positions used with the image index information correspond to the first image rate;
• permitting an editor to create a sequence of segments of encoded image sequences at a temporal resolution corresponding to the first image rate;
• and
• decoding the encoded image sequence, during playback of the encoded image sequence, using the image index information, to produce a decoded image sequence at the first image rate by not repeating images.

A computer-implemented method for processing data including an image sequence captured at a first image rate and encoded as an image sequence having a second image rate with information in the encoded image sequence indicative of images that are repeated when decoded, the method comprising:

• receiving the encoded image sequence;
• clearing all information in the encoded image sequence indicative of images that are repeated when decoded;
• receiving image index information for the encoded image sequence that is used to map a temporal position of an image in a decoded image sequence to a position of corresponding data in the encoded image sequence wherein the temporal positions used with the image index information correspond to the first image rate;
• permitting an editor to create a sequence of segments of encoded image sequences at a temporal resolution corresponding to the first image rate;
• and
• decoding the encoded image sequence, during playback of the encoded image sequence, using the image index information, to produce a decoded image sequence at a second image rate different from the first image rate by repeating fields according to a cadenced based on the difference between the first image rate and the second image rate.

A computer-implemented method for editing encoded data including an image sequence captured at a first image rate and encoded as an image sequence having a second image rate different from the first image rate, with information in the encoded image sequence indicative of images that are repeated when decoded, to produce an encoded edited sequence, the method comprising:

• receiving image index information for the encoded image sequence that is used to map a temporal position of an image in a decoded image sequence to a position of corresponding data in the encoded image sequence, wherein the temporal positions used with the image index information correspond to the first image rate;
• permitting an editor to create an edited sequence of clips that reference source encoded image sequences using edit points at a temporal resolution corresponding to the first image rate;
• and
• constructing the encoded edited sequence according to the edited sequence of clips and using the source encoded image sequences, including:
• clearing any information in the source encoded image sequences, used in the sequence of clips, indicative of images that are repeated when decoded;
• and
• setting, in the encoded image sequence, information indicative of images that are repeated when decoded according to a cadence associated with the difference between the first image rate and the second image rate.