Abstract: A method for improving rate distortion performance of a compression system through parallel coefficient cancellation in a transform comprising the steps of (A) determining a block sum of absolute values for each of a plurality of blocks in a macroblock and (B) setting one or more coefficient values of a block to zero in response to a block sum value of said block being less than a first predetermined threshold value.

Abstract: A method for implementing non-reference frame prediction in video compression comprising the steps of (A) setting a prediction flag (i) “off” if non-reference frames are used for block prediction and (ii) “on” if non-reference frames are not used for block prediction, (B) if the prediction flag is off, generating an output video signal in response to an input video signal by performing an inverse quantization step and an inverse transform step in accordance with a predefined coding specification and (C) if the prediction flag is on, bypassing the inverse quantization step and the inverse transform step.

Abstract: An apparatus comprising an output circuit, a first processing circuit and a second processing circuit. The output circuit may be configured to generate an output data stream in response to (i) a first intermediate signal, (ii) a second intermediate signal, and (iii) a third intermediate signal. The first processing circuit may be configured to generate the first intermediate signal in response to (i) a processed video signal and (ii) a prediction flag. The second processing circuit may be configured to generate (i) the processed video signal, (ii) the second intermediate signal and (iii) the third intermediate signal in response to an input video signal.

Abstract: A method for implementing B-frame prediction in video compression comprising the steps of (A) setting a prediction flag (i) “off” if B-frames are used for block prediction and (ii) “on” if B-frames are not used for block prediction, (B) if the prediction flag is off, generating an output video signal in response to an input video signal by performing an inverse quantization step and an inverse transform step in accordance with a predefined coding specification and (C) if the prediction flag is on, bypassing the inverse quantization step and the inverse transform step.

Abstract: A method for processing an input signal is disclosed. The method generally includes the steps of (A) extracting a compressed signal and a first checksum from the input signal, (B) generating a decompressed signal by decompressing the compressed signal, (C) calculating a second checksum for the decompressed signal and (D) generating a result by comparing the first checksum to the second checksum.

Abstract: A method for filtering digital video is disclosed. The method generally includes the steps of (A) checking a plurality of original blocks in an original field for a plurality of artifacts, wherein detection of the artifacts is based on an adjustable threshold, (B) first filtering each of the original blocks having at least one of the artifacts to remove the at least one artifact and (C) second filtering each of the original blocks lacking at least one of the artifacts to remove noise, wherein the second filtering is (i) motion compensated and (ii) adaptive to a respective noise level in each of the original blocks.

Abstract: A method for processing an input signal is disclosed. The method generally includes the steps of (A) extracting a compressed signal and a first checksum from the input signal, (B) generating a decompressed signal by decompressing the compressed signal, (C) calculating a second checksum for the decompressed signal and (D) generating a result by comparing the first checksum to the second checksum.

Abstract: An apparatus comprising a first circuit and a second circuit. The first circuit may be configured to generate a decoded video signal and syntax elements in response to an encoded bitstream. The second circuit may be configured to generate one or more overlay images in response to the syntax elements. The overlay images generally comprise graphical symbols representing the syntax elements of the encoded bitstream.

Abstract: A method for implementing non-reference frame prediction in video compression comprising the steps of (A) setting a prediction flag (i) “off” if non-reference frames are used for block prediction and (ii) “on” if non-reference frames are not used for block prediction, (B) if the prediction flag is off, generating an output video signal in response to an input video signal by performing an inverse quantization step and an inverse transform step in accordance with a predefined coding specification and (C) if the prediction flag is on, bypassing the inverse quantization step and the inverse transform step.

Abstract: An apparatus comprising an output circuit, a first processing circuit and a second processing circuit. The output circuit may be configured to generate an output data stream in response to (i) a first intermediate signal, (ii) a second intermediate signal, and (iii) a third intermediate signal. The first processing circuit may be configured to generate the first intermediate signal in response to (i) a processed video signal and (ii) a prediction flag. The second processing circuit may be configured to generate (i) the processed video signal, (ii) the second intermediate signal and (iii) the third intermediate signal in response to an input video signal.

Abstract: A method for improving rate distortion performance of a compression system through parallel coefficient cancellation in a transform comprising the steps of (A) determining a block sum of absolute values for each of a plurality of blocks in a macroblock and (B) setting one or more coefficient values of a block to zero in response to a block sum value of said block being less than a first predetermined threshold value.

Abstract: The present invention provides novel antigenic preparations comprising proteinaceous material associated with adenylate cyclase activity in cultures of B.pertussis, the said preparations being useful as components of acellular whooping cough vaccines. The invention further provides methods for the isolation of such antigenic preparations.

Abstract: The present invention provides novel antigenic preparations comprising proteinaceous material associated with adenylate cyclase activity in cultures of B.pertussis, the said preparations being useful as components of acellular whooping cough vaccines. The invention further provides methods for the isolation of such antigenic preparations.

Abstract: The present invention provides novel antigenic preparations comprising proteinaceous material associated with adenylate cyclase activity in cultures of B.pertussis, the said preparations being useful as components of acellular whooping cough vaccines. The invention further provides methods for the isolation of such antigenic preparations.

Abstract: The present invention provides novel antigenic preparations comprising proteinaceous material associated with adenylate cyclase activity in cultures of B. pertussis, the said preparations being useful as components of acellular whooping cough vaccines. The invention further provides methods for the isolation of such antigenic preparations.

Abstract: A method of deriving an antigen from Bordetella pertussis, wherein the antigen is characterized by the following features: a relative molecular weight of about 67,000 to 73,000 as determined by 12%(w/w) polyacrylamide gel electrophoresis and a proline:glutamic acid ratio of about 1:1 as determined by amino acid analysis. The method comprises: (a) culturing Bordetella pertussiscells; (b) treating the culture of (a) to obtain an outer membrane fraction; and (c) isolating the antigen from the outer membrane fraction of (b).

Abstract: The invention provides a vaccine containing a proteinaceous material derived from the outer membrane of Bordetella pertussis, wherein the proteinaceous material is characterized by a relative molecular weight of about 67,000 to 73,000, preferably 69,000, as determined by 12% (w/w) polyacrylamide gel electrophoresis and a proline:glutamic acid ratio of about 1:1 as determined by amino acid analysis, in a pharmaceutically acceptable carrier or adjuvant. The invention also provides a method of inducing an immune response in an individual involving administering the vaccine of the invention to an individual.

Abstract: The invention provides a vaccine containing a proteinaceous material derived from the outer membrane of Bordetella pertussis, wherein the proteinaceous material is characterized by a relative molecular weight of 67,000 to about 73,000, preferably 69,000, as determined by 12% (w/w) polyacrylamide gel electrophoresis, and has a proline:glutamic acid ratio of about 1:1, in a pharmaceutically acceptable carrier or adjuvant. The invention also provides a method of inducing an immune response in an individual involving administering the vaccine of the invention to an individual.

Abstract: Purified Bordetella pertussis antigen having a molecular weight between 67,000 and 69,000 and determined by 12% (W/W) polyacrylamide gel electrophoresis and a proline glutamic acid ratio of substantially 1:1 as determined by amino acid analysis.

Abstract: The present invention provides novel antigenic preparations comprising proteinaceous material associated with adenylate cyclase activity in cultures of B. pertussis, the said preparations being useful as components of acellular whooping cough vaccines. The invention further provides methods for the isolation of such antigenic preparations.