Abstract: These techniques detect and compare amounts of motion of objects within video footage having sources of apparent motion. In an embodiment, for each frame of a video, a computer subtracts a background from the frame, converts the frame from grayscale to monochrome, and isolates regions of interest (ROIs) in the frame. For each frame, the computer identifies identifiable objects in the ROIs, selects selectable objects from the identifiable objects that have a percentage of motion that is within a particular range, and merges, into merged objects, subsets of the selectable objects that are separated by no more than a particular distance. Based on the merging, metadata is generated for any of: an object of the merged objects, the frame, or the video. The metadata may have a bounding rectangle, a bounding polygon, a frame timestamp, a frame identifier, or an object(s)'s identifier or percentage of motion.

Abstract: These techniques detect and compare amounts of motion of objects within video footage having sources of apparent motion. In an embodiment, for each frame of a video, a computer subtracts a background from the frame, converts the frame from grayscale to monochrome, and isolates regions of interest (ROIs) in the frame. For each frame, the computer identifies identifiable objects in the ROIs, selects selectable objects from the identifiable objects that have a percentage of motion that is within a particular range, and merges, into merged objects, subsets of the selectable objects that are separated by no more than a particular distance. Based on the merging, metadata is generated for any of: an object of the merged objects, the frame, or the video. The metadata may have a bounding rectangle, a bounding polygon, a frame timestamp, a frame identifier, or an object(s)'s identifier or percentage of motion.

Abstract: A data format description from which encoders and decoders can be automatically generated. The data format description includes data components that represent a field of the data object as a description of the field and a tag. On decoding, the decoder decodes the field's value and produces an XML element that contains the value and the tag from the data component. On encoding, the encoder uses the tag to locate the XML element and encodes the value in the data object. Also included in the data format description are attributes and control statements An object, its XML representation, and the encoders and decoders may be combined to produce self-describing data objects in which a modification of the XML representation automatically results in a modification of the data object.