Patents by Inventor Sharon Carmel
Sharon Carmel has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20170244965Abstract: According to examples of the presently disclosed subject matter, a method of controlling a video content system can include: obtaining a current input frame and a preceding input frame from an input video sequence and obtaining a current degraded frame and a preceding degraded frame from a degraded video sequence corresponding to the input video sequence; computing a first differences value from the current input and the preceding input frames and a second differences value from the current degraded frame and the preceding degraded frame, comparing the first and second differences values, giving rise to an inter-frame quality score; computing an intra-frame quality score using an intra-frame quality measure that is applied in the pixel-domain of the current degraded frame and the current input frame and providing a configuration instruction to the video content system based on a quality criterion related to the inter-frame and the intra-frame quality scores.Type: ApplicationFiled: March 8, 2017Publication date: August 24, 2017Inventors: Sharon Carmel, Dror GiIl, Tamar Shoham, Amir Leibman
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Publication number: 20170150149Abstract: A system and method for generating a second reduced size digital image from a first digital image, the method including iteratively compressing the first digital image to an extent determined by a quality measure comprising at least a blockiness measure quantifying added artifactual edges along coding block boundaries of the second image and/or use of a quantization matrix generated by computing a weighted average of the quantization matrix of the first digital image and a scaled second quantization matrix.Type: ApplicationFiled: September 14, 2016Publication date: May 25, 2017Inventors: Sharon CARMEL, Dror GILL, Tamar SHOHAM
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Patent number: 9635387Abstract: According to examples of the presently disclosed subject matter, a method of controlling a video content system can include: obtaining a current input frame and a preceding input frame from an input video sequence and obtaining a current degraded frame and a preceding degraded frame from a degraded video sequence corresponding to the input video sequence; computing a first differences value from the current input and the preceding input frames and a second differences value from the current degraded frame and the preceding degraded frame, comparing the first and second differences values, giving rise to an inter-frame quality score; computing an intra-frame quality score using an intra-frame quality measure that is applied in the pixel-domain of the current degraded frame and the current input frame and providing a configuration instruction to the video content system based on a quality criterion related to the inter-frame and the intra-frame quality scores.Type: GrantFiled: February 28, 2014Date of Patent: April 25, 2017Assignee: BEAMR IMAGING LTD.Inventors: Sharon Carmel, Dror Gill, Tamar Shoham, Amir Leibman
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Patent number: 9503738Abstract: A system and method for generating a second reduced size digital image from a first digital image, the method including iteratively compressing the first digital image to an extent determined by a quality measure comprising at least a blockiness measure quantifying added artifactual edges along coding block boundaries of the second image and/or use of a quantization matrix generated by computing a weighted average of the quantization matrix of the first digital image and a scaled second quantization matrix.Type: GrantFiled: October 29, 2014Date of Patent: November 22, 2016Assignee: BEAMR IMAGING LTDInventors: Sharon Carmel, Dror Gill, Tamar Shoham
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Patent number: 9491464Abstract: According to examples of the presently disclosed subject matter, a method of controlling a video content system can include: obtaining a current input frame and a preceding input frame from an input video sequence and obtaining a current degraded frame and a preceding degraded frame from a degraded video sequence corresponding to the input video sequence; computing a first differences value from the current input and the preceding input frames and a second differences value from the current degraded frame and the preceding degraded frame, comparing the first and second differences values, giving rise to an inter-frame quality score; computing an intra-frame quality score using an intra-frame quality measure that is applied in the pixel-domain of the current degraded frame and the current input frame and providing a configuration instruction to the video content system based on a quality criterion related to the inter-frame and the intra-frame quality scores.Type: GrantFiled: August 28, 2012Date of Patent: November 8, 2016Assignee: BEAMR IMAGING LTDInventors: Sharon Carmel, Dror Gill, Tamar Shoham, Amir Leibman
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Publication number: 20160205407Abstract: A method, comprising obtaining a first plurality of decode-independent segments corresponding to an original video bit-stream, re-encoding each one of the first plurality of decode-independent segments according to a quality criterion, giving rise to a second plurality of decode-independent segments; and generating an output video bitstream comprising a third plurality of decode-independent segments, wherein each segment in the third plurality of decode-independent segments is selected from either the first plurality of decode-independent segments or from the second plurality of decode-independent segments using a selection criterion that is related at least to a segment's bit-rate.Type: ApplicationFiled: August 11, 2014Publication date: July 14, 2016Inventors: Sharon CARMEL, Dror GILL, Tamar SHOHAM
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Patent number: 9241165Abstract: A method of controlling a compression of an image according to a degree of photo-realism in the image, comprising computing a value indicating a degree of photo-realism for an input image based on a distribution of pixel luminance values within the image, calculating a configuration parameter based on the photo-realism value for the image, and configuring an encoder to compress the image according to the configuration parameter.Type: GrantFiled: January 27, 2013Date of Patent: January 19, 2016Assignee: BEAMR IMAGING LTDInventors: Sharon Carmel, Dror Gill, Tamar Shoham
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Patent number: 9042670Abstract: There is provided a system, a computer program product, program storage device readable by machine, and a method of downsizing an input disjoint block level encoded image. According to examples of the presently disclosed subject matter, the method can include calculating a DCT downsize ratio for downsizing the input image in a DCT domain according to a target downsize ratio and according to a size of a DCT transform length associated with the input image; adapting an I-DCT according to the DCT domain downsize ratios; performing the adapted I-DCT; providing an intermediate image as output of a DCT domain process; and applying a pixel domain interpolation to the intermediate image according to dimensions of the intermediate image and according to dimensions of the target image.Type: GrantFiled: September 15, 2011Date of Patent: May 26, 2015Assignee: Beamr Imaging LtdInventors: Sharon Carmel, Dror Gill, Tamar Shoham
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Patent number: 9014471Abstract: There is provided an apparatus and a method of evaluating an effect of chroma downsampling in a compression process of an input image. According to examples of the presently disclosed subject matter the method can include: computing an error for a target chroma downsampling (“CDS”) block based on characteristics of DCT coefficients in the U and/or V planes of a respective CDS candidates group in the input image, and further based on a diversity of the DCT coefficients in the U and/or V planes of the respective CDS candidates group in the input image; and computing an estimated perceptual effect of CDS over the input image based on a plurality of target CDS blocks error values.Type: GrantFiled: September 15, 2011Date of Patent: April 21, 2015Assignee: I.C.V.T. Ltd.Inventors: Sharon Carmel, Dror Gill, Tamar Shoham
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Publication number: 20150063693Abstract: A method of controlling a compression of an image according to a degree of photo-realism in the image, comprising computing a value indicating a degree of photo-realism for an input image based on a distribution of pixel luminance values within the image, calculating a configuration parameter based on the photo-realism value for the image, and configuring an encoder to compress the image according to the configuration parameter.Type: ApplicationFiled: January 27, 2013Publication date: March 5, 2015Applicant: I.C.V.T. LTD.Inventors: Sharon Carmel, Dror Gill, Tamar Shoham
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Publication number: 20150049957Abstract: A system and method for generating a second reduced size digital image from a first digital image, the method including iteratively compressing the first digital image to an extent determined by a quality measure comprising at least a blockiness measure quantifying added artifactual edges along coding block bom1daries of the second image and/or use of a quantization matrix generated by computing a weighted average of the quantization matrix of the first digital image and a scaled second quantization matrix.Type: ApplicationFiled: October 29, 2014Publication date: February 19, 2015Inventors: Sharon CARMEL, Dror GILL, Tamar SHOHAM
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Patent number: 8908984Abstract: A system and method for generating a second reduced size digital image from a first digital image, the method including iteratively compressing the first digital image to an extent determined by a quality measure comprising at least a blockiness measure quantifying added artifactual edges along coding block boundaries of the second image and/or use of a quantization matrix generated by computing a weighted average of the quantization matrix of the first digital image and a scaled second quantization matrix.Type: GrantFiled: October 5, 2010Date of Patent: December 9, 2014Assignee: I.C.V.T. Ltd.Inventors: Sharon Carmel, Dror Gill, Tamar Shoham
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Publication number: 20140355668Abstract: A method of enabling iterative encoding of a video frame by a video encoder, comprising obtaining a video-encoder-state resulting from encoding of a previous input video frame and previous to encoding of a current input video frame, copying the video-encoder-state giving rise to a reserved state and obtaining a candidate current encoded video frame from the video encoder, and in case the candidate current encoded video frame does not meet an encoding criterion, copying the reserved state back to the video encoder to enable the video encoder to re-encode the current input video frame.Type: ApplicationFiled: January 2, 2013Publication date: December 4, 2014Inventors: Sharon Carmel, Dror Gill, Tamar Shoham, Amir Leibman
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Patent number: 8805109Abstract: A computerized method for independent disjoint block-level recompression of a first image generated by independent coding of disjoint blocks in a precursor image, the first image having at least one first quantization matrix associated therewith, the method comprising performing at least one independent disjoint block-level compression operation, using a processor on the first image, thereby to generate a re-compressed second image including generating a new quantization matrix and using the new quantization matrix for the independent disjoint block-level compression, including computing a rounding error created by the quantization process utilizing the new quantization matrix and, if needed, adjusting at least one value of the new quantization matrix to reduce a rounding error created by the quantization process utilizing the new quantization matrix.Type: GrantFiled: April 14, 2011Date of Patent: August 12, 2014Assignee: I.C.V.T. Ltd.Inventors: Sharon Carmel, Dror Gill, Tamar Shoham
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Publication number: 20140211859Abstract: According to examples of the presently disclosed subject matter, a method of controlling a video content system can include: obtaining a current input frame and a preceding input frame from an input video sequence and obtaining a current degraded frame and a preceding degraded frame from a degraded video sequence corresponding to the input video sequence; computing a first differences value from the current input and the preceding input frames and a second differences value from the current degraded frame and the preceding degraded frame, comparing the first and second differences values, giving rise to an inter-frame quality score; computing an intra-frame quality score using an intra-frame quality measure that is applied in the pixel-domain of the current degraded frame and the current input frame and providing a configuration instruction to the video content system based on a quality criterion related to the inter-frame and the intra-frame quality scores.Type: ApplicationFiled: August 28, 2012Publication date: July 31, 2014Applicant: I.C.V.T. LTD.Inventors: Sharon Carmel, Dror Gill, Tamar Shoham, Amir Leibman
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Publication number: 20140177734Abstract: According to examples of the presently disclosed subject matter, a method of controlling a video content system can include: obtaining a current input frame and a preceding input frame from an input video sequence and obtaining a current degraded frame and a preceding degraded frame from a degraded video sequence corresponding to the input video sequence; computing a first differences value from the current input and the preceding input frames and a second differences value from the current degraded frame and the preceding degraded frame, comparing the first and second differences values, giving rise to an inter-frame quality score; computing an intra-frame quality score using an intra-frame quality measure that is applied in the pixel-domain of the current degraded frame and the current input frame and providing a configuration instruction to the video content system based on a quality criterion related to the inter-frame and the intra-frame quality scores.Type: ApplicationFiled: February 28, 2014Publication date: June 26, 2014Applicant: I.C.V.T LTD.Inventors: Sharon Carmel, Dror Gill, Tamar Shoham, Amir Leibman
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Patent number: 8510404Abstract: A method and system for enabling peer to peer synchronization between members of a synchronized network. A predefined synchronization reference area on each member of the network is provided. A common identifier associated with the synchronization network is provided to each member. Changes are detected on a member regarding a data item. A network identifier associated is obtained. A unique identifier of a synchronization module is obtained. A relative path to the data item within the predefined synchronization reference area is obtained. A unique value is calculated based upon a content of a version of the data item that is associated with the change. A log number counter is incremented. A log representing the data item and the chance is created. The log includes data regarding the type of change, the network identifier, the unique identifier of the synchronization module, the relative path, the unique value, and the log number.Type: GrantFiled: April 10, 2007Date of Patent: August 13, 2013Assignee: Kinglite Holdings Inc.Inventors: Sharon Carmel, Yoav Borer, Ofer Herman, Chico Manobela, Omer Paran
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Publication number: 20130182952Abstract: There is provided an apparatus and a method of evaluating an effect of chroma downsampling in a compression process of an input image. According to examples of the presently disclosed subject matter the method can include: computing an error for a target chroma downsampling (“CDS”) block based on characteristics of DCT coefficients in the U and/or V planes of a respective CDS candidates group in the input image, and further based on a diversity of the DCT coefficients in the U and/or V planes of the respective CDS candidates group in the input image; and computing an estimated perceptual effect of CDS over the input image based on a plurality of target CDS blocks error values.Type: ApplicationFiled: September 15, 2011Publication date: July 18, 2013Applicant: I.C.V.T LTD.Inventors: Sharon Carmel, Dror Gill, Tamar Shoham
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Publication number: 20130170764Abstract: There is provided a system, a computer program product, program storage device readable by machine, and a method of downsizing an input disjoint block level encoded image. According to examples of the presently disclosed subject matter, the method can include calculating a DCT downsize ratio for downsizing the input image in a DCT domain according to a target downsize ratio and according to a size of a DCT transform length associated with the input image; adapting an I-DCT according to the DCT domain downsize ratios; performing the adapted I-DCT; providing an intermediate image as output of a DCT domain process; and applying a pixel domain interpolation to the intermediate image according to dimensions of the intermediate image and according to dimensions of the target image.Type: ApplicationFiled: September 15, 2011Publication date: July 4, 2013Applicant: I.C.V.T LTD.Inventors: Sharon Carmel, Dror Gill, Tamar Shoham
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Publication number: 20130152767Abstract: A method of suggesting pitched musical events corresponding to provided digital musical content, comprising obtaining a frequency domain representation of the digital musical content, applying a pitch salience estimation over the frequency domain representation to provide a pitch salience time-frequency map; and grouping local frequency peaks along a time axis of the pitch salience time-frequency map which are substantially continuous in terms frequency and/or salience giving rise to a partial.Type: ApplicationFiled: April 14, 2011Publication date: June 20, 2013Applicant: JAMRT LTDInventors: Itamar Katz, Yoram Avidan, Sharon Carmel