An exemplary method for intelligent compression uses a foveated-compression approach. First, the location of a fixation point within an image frame is determined. Next, the image frame is sectored into two or more sectors such that one of the two or more sectors is designated as a fixation sector and the remaining sectors are designated as foveation sectors. A sector may be defined by one or more tiles within the image frame. The fixation sector includes the particular tile that contains the fixation point and is compressed according to a lossless compression algorithm. The foveation sectors are compressed according to lossy compression algorithms. As the locations of foveation sectors increase in angular distance from the location of the fixation sector, a compression factor may be increased.

Embodiments of a virtual frame buffer (VFB) for buffering asynchronous data originating from an imaging source such as a dynamic vision sensor. The VFB may include a hash table memory, a data memory, and a control unit. The control unit receives an input address of an asynchronous data event and determines a pseudo-randomly computed hash of the hash table memory at which to store the input address. The control unit links the hash to a handle corresponding to a data memory cell that stores pixel data of the event. The VFB may interface like a full frame buffer, but use significantly less memory. The VFB may be used with a pixel processing algorithm to search for recent events in a localized environment of a pixel.

Embodiments of a virtual frame buffer (VFB) for buffering asynchronous data originating from an imaging source such as a dynamic vision sensor. The VFB may include a hash table memory, a data memory, and a control unit. The control unit receives an input address of an asynchronous data event and determines a pseudo-randomly computed hash of the hash table memory at which to store the input address. The control unit links the hash to a handle corresponding to a data memory cell that stores pixel data of the event. The VFB may interface like a full frame buffer, but use significantly less memory. The VFB may be used with a pixel processing algorithm to search for recent events in a localized environment of a pixel.

An imaging device and method for P-phase data compression are provided. The imaging device includes one or more circuits configured to receive a plurality of blocks of P-phase data values from an image sensor. A predictor value is determined for a first input block of the plurality of blocks of P-phase data values. A reconstructed first block of P-phase data values is generated, based on the P-phase data values of the first input block and the determined predictor value. The determined predictor value is then updated for a second block of P-phase data values based on the P-phase data values of the generated reconstructed first block. Compressed P-phase data values that correspond to the received plurality of blocks of P-phase data values are generated, based on the reconstructed first block and at least a reconstructed second block.

Embodiments of a virtual frame buffer (VFB) for buffering asynchronous data originating from an imaging source such as a dynamic vision sensor. The VFB may include a hash table memory, a data memory, and a control unit. The control unit receives an input address of an asynchronous data event and determines a pseudo-randomly computed hash of the hash table memory at which to store the input address. The control unit links the hash to a handle corresponding to a data memory cell that stores pixel data of the event. The VFB may interface like a full frame buffer, but use significantly less memory. The VFB may be used with a pixel processing algorithm to search for recent events in a localized environment of a pixel.

Embodiments of a virtual frame buffer (VFB) for buffering asynchronous data originating from an imaging source such as a dynamic vision sensor. The VFB may include a hash table memory, a data memory, and a control unit. The control unit receives an input address of an asynchronous data event and determines a pseudo-randomly computed hash of the hash table memory at which to store the input address. The control unit links the hash to a handle corresponding to a data memory cell that stores pixel data of the event. The VFB may interface like a full frame buffer, but use significantly less memory. The VFB may be used with a pixel processing algorithm to search for recent events in a localized environment of a pixel.

Systems, methods, and non-transitory computer-readable media can determine a video being posted through a social networking system; one or more portions of the video to be compressed are determined; and the one or more portions of the video are compressed, wherein, upon being compressed, at least one frame corresponding to at least one of the portions is deleted.

This invention encodes, using less memory, a wide-angle image obtained by performing image capturing a plurality of times. An apparatus includes a compositing unit that, each time an image capturing unit captures an image, crops a partial image of a predetermined region in the captured image, and composes the partial image with a composed image obtained from a previously captured image, an encoding unit that, when the composed image updated by the compositing unit has a pre-set size, encodes the image of the tile in the composed image, a releasing unit that releases an area used for the encoded tile in the memory, and a control unit that controls the compositing unit, the encoding unit, and the releasing unit so as to repeatedly perform operations until a pre-set condition is satisfied.

This invention encodes, using less memory, a wide-angle image obtained by performing image capturing a plurality of times. An apparatus includes a compositing unit that, each time an image capturing unit captures an image, crops a partial image of a predetermined region in the captured image, and composes the partial image with a composed image obtained from a previously captured image, an encoding unit that, when the composed image updated by the compositing unit has a pre-set size, encodes the image of the tile in the composed image, a releasing unit that releases an area used for the encoded tile in the memory, and a control unit that controls the compositing unit, the encoding unit, and the releasing unit so as to repeatedly perform operations until a pre-set condition is satisfied.

Embodiments of the systems and methods described herein relate to providing body worn camera functionality to users, such as on their mobile device. Additionally, capabilities of mobile devices such as mobile telephonic devices are leveraged to stream captured audio/visual data in real-time and provide robust notification and safety features to users in order to democratize access to body worn cameras. The additional features promote increased use of the disclosed systems and methods as a safety tool while simultaneously providing increased transparency in law enforcement.