Lsi Corporation

Lsi Logic Corporation

Ambarella, Inc.

Aaron G Wells

Elliot N Linzer

Guy Cote

Lowell Leroy Winger

Yunwei Jia

Simon Booth

Didier LeGall

David Barr

Hidetaka Magoshi

Ho-Ming Leung

Kourosh Soroushian

Gregory Maertens

An apparatus includes an interface and a circuit. The interface may be configured to receive a video signal comprising a plurality of interlaced fields and a plurality of progressive frames. The circuit may be configured to (i) generate a plurality of segments by parsing the video signal, (ii) encode the segments as both (a) a plurality of frame segments in a frame mode and (b) a plurality of field segments in a field mode and (iii) generate an encoded signal based on the frame segments and the field segments.

High efficiency video coding for video with interlaced and progressive content using lookahead

A method for encoding a video signal with both interlaced and progressive content using lookahead is disclosed. The method may include steps (A) to (C). Step (A) may calculate a cost of being interlaced within each of a plurality of windows in the video signal. The video signal generally has a plurality of interlaced fields and a plurality of progressive frames. Step (B) may determine a plurality of points in the video signal. Step (C) may encode the video signal with switching between a field mode and a frame mode at one or more of the points based on the costs. The encoding may be a high efficiency video coding.

A method for conveying private or enhancement information in a compressed bit stream comprising the steps of (A) generating a compressed bit stream in response to a first data stream and a plurality of encoding choices and (B) controlling the encoding choices in response to a second data stream comprising one or both of the private information and the enhancement information.

Tunneling information in compressed audio and/or video bit streams

A method for deinterlacing a picture is disclosed. The method generally includes the steps of (A) generating a plurality of primary scores by searching along a plurality of primary angles for an edge in the picture proximate a location interlaced with a field of the picture, (B) generating a plurality of neighbor scores by searching for the edge along a plurality of neighbor angles proximate a particular angle of the primary angles corresponding to a particular score of the primary scores having a best value and (C) identifying a best score from a group of scores consisting of the particular score and the neighbor scores to generate an interpolated sample at the location.

Method for video deinterlacing and format conversion

An apparatus including a processor and a memory. The processor may be configured to process pixel data comprising eight or more bits. For pixel data having bit-depths greater than eight bits, a number of most significant bits (MSBs) of a pixel are presented as a first byte and a number of least significant bits (LSBs) of the pixel are packed with LSBs from one or more other pixels into a second byte. The memory may be coupled to the processor and configured to store the first byte in response to a first pointer and the second byte in response to a second pointer. The first byte and the second byte are stored independently in the memory.

Hybrid multiple bit-depth video processing architecture

An apparatus comprising a first circuit and a second circuit. The first circuit may be configured to generate a multiplexed signal at a fixed frame-rate in response to a video input signal. The multiplexed signal comprises one of (i) a pre-defined packet which corresponds to a new frame rate detected on the video input signal when in a first mode (ii) repeated video frames at the fixed frame-rate when in a second mode and (iii) augmented digitally repeated frames at the fixed-rate when in a third mode. The second circuit may be configured to generate a video output signal in response to decoding (i) the multiplexed signal at the new frame rate defined by the pre-defined packet when in the first mode or (ii) the repeated video frames on the multiplexed signal at the fixed frame-rate when in the second mode.

Transparent methods for altering the video decoder frame-rate in a fixed-frame-rate audio-video multiplex structure

An apparatus comprising a first circuit and a second circuit. The first circuit may be configured to analyze an audio-video data stream to determine watermark appropriate information for the audio-video data stream. The second circuit may be configured to communicate the watermark appropriate information either in-band with or out-of-band from a bit stream communicating the audio-video data.

Recorded video broadcast, streaming, download, and disk distribution with watermarking instructions

An apparatus generally comprising an input circuit, a storage circuit and an output circuit is disclosed. The input circuit may be configured to generate a first intermediate signal from a plurality of input video signals. The storage circuit may be configured to (i) organize the first intermediate signal into a plurality of sequences each related to one of the input video signals and (ii) generate a second intermediate signal from the sequences. The output circuit may be configured to generate an output video signal by compressing the second intermediate signal.

Multi-channel video compression system

An apparatus comprising an input circuit, a content analyzer, a storage circuit and an output circuit. The input circuit may be configured to generate a first intermediate signal from a plurality of input video signals. The content analyzer circuit may be configured to present one or more flags in response to the intermediate signal. The storage circuit may be configured to (i) store and organize the first intermediate signal into a plurality of sequences each related to one of the input video signals and (ii) generate a second intermediate signal from the sequences. The output circuit may be configured to generate an output video signal in response to the second intermediate signal. The output circuit may be configured to embed tracking information into the output video signal in response to the one or more flags.

Method and/or apparatus for analyzing the content of a surveillance image

A method for deinterlacing a picture is disclosed. The method generally includes the steps of (A) calculating a potential sample at a location interfaced with a first field of the picture by temporal filtering, (B) evaluating a protection condition in a current region around the location after inclusion of the potential sample and (C) calculating an interpolated sample at the location by vertical spatial filtering the first field in response to the protection condition indicating a significant increase in a vertical activity within the current region due to the potential sample.

Method and apparatus for video deinterlacing and format conversion

A method for securing a content is disclosed. The method generally includes the steps of (A) generating a media key by decrypting a media key block based on a device key unique to a particular player of a plurality of players, (B) modifying the media key by decryption based on a class key such that the media key is unique for each of a plurality of subscriber classes, (C) writing an encrypted title key in a media by encrypting a title key based on both the media key after modification and a media identification value unique to the media and (D) writing an encrypted content in the media by encrypting the content based on the title key.

Content security system for screening applications

An apparatus including a first circuit, a second circuit and a third circuit. The first circuit may be configured to generate a plurality of first motion vectors and first error scores in response to a search of a macroblock of an image. The search generally includes a range of motion vectors of the macroblock. The second circuit may be configured to generate a plurality of second motion vectors and second error scores for a plurality of sub-blocks of the macroblock in response to a set of discrete candidate motion vectors selected from the plurality of first motion vectors. The third circuit may be configured to segment the macroblock in response to (i) the plurality of first motion vectors and first error scores and (ii) the plurality of second motion vectors and second error scores.

Segmented motion estimation with no search for small block sizes

A method for encoding video, comprising the steps of (A) detecting repeated fields in a video sequence and (B) generating a first repeated frame from a top field and any adjacent bottom field based upon detection of the repeated fields, wherein the top field and the bottom field are from one film frame.

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Oakland, CA, United States of America

Aaron G Wells