Patent 10250877

Prior art

Earlier patents, publications, and products that may anticipate or render the claims unpatentable.

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Prior art

Earlier patents, publications, and products that may anticipate or render the claims unpatentable.

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To identify the most relevant prior art for US patent 10250877, I will examine the "Cited By" and "Citations" sections of the patent document itself. The patent lists both "Patent Citations" and "Non-Patent Citations," which are typically considered by the patent examiner during prosecution and represent the most relevant prior art known at the time of examination.

Based on the provided full patent text, here is an analysis of the patent citations:

Patent Citations for US10250877:

  1. US6748018B2

    • Full Citation: US6748018B2, "Picture decoding method and apparatus," Sony Corporation.
    • Publication Date: June 8, 2004 (Priority date: August 7, 1998).
    • Brief Description: This patent describes a picture decoding method and apparatus. While the specific details of its method for decoding are not fully elaborated in the provided text, its general scope as a "picture decoding method and apparatus" suggests relevance to the decoding aspects of US10250877.
    • Potential Anticipation: It potentially anticipates aspects of Claims 1, 3, 7, 9, and 10 of US10250877, which relate to decoding methods and devices for reconstructing image blocks. Its broad description of a decoding method and apparatus could overlap with the general concept of decoding an image, although the specific novel features of applying combined filters in US10250877 would need to be considered.

  2. US20090175336A1

    • Full Citation: US20090175336A1, "Video coding of filter coefficients based on horizontal and vertical symmetry," Qualcomm Incorporation.
    • Publication Date: July 9, 2009 (Priority date: January 8, 2008).
    • Brief Description: This publication discusses video coding of filter coefficients, specifically mentioning horizontal and vertical symmetry. This is highly relevant as US10250877's claims emphasize separable horizontal and vertical filters (GFH and GFv) and the decoding/coding of filtering coefficients.
    • Potential Anticipation: It potentially anticipates aspects of Claims 2, 5, 9, and 11 of US10250877, which explicitly mention the decoding/coding of filtering coefficients for the horizontal and vertical filters. It also has relevance to the filter separability mentioned in the invention's summary.

  3. US20100226437A1

    • Full Citation: US20100226437A1, "Reduced-resolution decoding of AVC bit streams for transcoding or display at lower resolution," Sony Corporation, A Japanese Corporation.
    • Publication Date: September 9, 2010 (Priority date: March 6, 2009).
    • Brief Description: This patent application focuses on reduced-resolution decoding of AVC bitstreams for transcoding or display at lower resolution. This is directly relevant to the adaptive resolution aspect of US10250877, where reference images can be of a different size from the current image.
    • Potential Anticipation: It potentially anticipates aspects of Claims 1, 3, 4, 6, 7, 8, 10, and 12 of US10250877, particularly concerning methods and devices for handling different image sizes and scalable streams (e.g., base layer coding low resolution images and enhancement layer coding high resolution images). The core concept of adaptive resolution is addressed here.

  4. US20120082241A1

    • Full Citation: US20120082241A1, "Method and Apparatus of Adaptive Loop Filtering," Mediatek Inc.
    • Publication Date: April 5, 2012 (Priority date: October 5, 2010).
    • Brief Description: This patent discusses a "Method and Apparatus of Adaptive Loop Filtering." While the exact details of the filtering are not provided, adaptive filtering is a broad concept that could encompass elements of the adaptive interpolation filter disclosed in US10250877.
    • Potential Anticipation: It potentially anticipates the general concept of "adaptive filtering" as it pertains to video coding, which broadly relates to the "interpolation filter that depends on the size of the reference image and the size of the current image" in US10250877. Its relevance would depend on the specific adaptivity taught in the Mediatek patent and how it compares to the joint motion compensation and resampling filtering of US10250877.

  5. US8199812B2

    • Full Citation: US8199812B2, "Adaptive upsampling for scalable video coding," Qualcomm Incorporated.
    • Publication Date: June 12, 2012 (Priority date: January 9, 2007).
    • Brief Description: This patent specifically addresses "adaptive upsampling for scalable video coding." This is highly relevant to US10250877, which deals with reconstructing blocks from reference images of different sizes, including cases where the reference image needs to be upsampled or subsampled. The concept of scalable video coding is also directly addressed in claims 3, 6, 10, and 12 of US10250877.
    • Potential Anticipation: It potentially anticipates aspects of Claims 1, 3, 4, 6, 7, 8, 10, and 12 of US10250877 due to its focus on adaptive upsampling and scalable video coding, which are central themes in US10250877 regarding different image resolutions and handling scalable streams.

  6. US20130003847A1

    • Full Citation: US20130003847A1, "Motion Prediction in Scalable Video Coding," Danny Hong.
    • Publication Date: January 3, 2013 (Priority date: June 30, 2011).
    • Brief Description: This publication relates to "Motion Prediction in Scalable Video Coding." Motion compensation is a fundamental step in US10250877, and its application within scalable video coding contexts makes this reference highly relevant.
    • Potential Anticipation: It potentially anticipates aspects of Claims 1, 3, 4, 6, 7, 8, 10, and 12 of US10250877, particularly those related to motion compensating a reference block within a scalable video coding framework.

  7. EP1209916A2

    • Full Citation: EP1209916A2, "Digital video decoder for decoding digital high definition and/or digital standard definition television signals," Hitachi Ltd.
    • Publication Date: May 29, 2002 (Priority date: October 11, 1994).
    • Brief Description: This European patent application describes a digital video decoder for decoding digital high-definition and/or digital standard-definition television signals. The general concept of a video decoder is foundational to US10250877.
    • Potential Anticipation: It potentially anticipates the broad concept of a "decoding device" and "decoding method" as described in Claims 1, 3, 7, 9, and 10 of US10250877. Its age suggests it may not disclose the specific combined filtering and non-storage of resampled images, but the overall decoding environment could be anticipated.

  8. US8638852B2

    • Full Citation: US8638852B2, "Video coding of filter coefficients based on horizontal and vertical symmetry," Qualcomm Incorporated.
    • Publication Date: January 28, 2014 (Priority date: January 8, 2008).
    • Brief Description: This patent is a granted version (or related application) of US20090175336A1, also from Qualcomm and also concerning "Video coding of filter coefficients based on horizontal and vertical symmetry." Its relevance is identical to US20090175336A1.
    • Potential Anticipation: Similar to US20090175336A1, it potentially anticipates aspects of Claims 2, 5, 9, and 11 of US10250877, specifically regarding the coding/decoding of filtering coefficients and the use of separable horizontal and vertical filters.

  9. US9813738B2

    • Full Citation: US9813738B2, "Method and apparatus of adaptive loop filtering," Hfi Innovation Inc.
    • Publication Date: November 7, 2017 (Priority date: October 5, 2010).
    • Brief Description: This patent is a granted version (or related application) of US20120082241A1, also concerning "Method and apparatus of adaptive loop filtering." Its relevance is identical to US20120082241A1.
    • Potential Anticipation: Similar to US20120082241A1, it potentially anticipates the general concept of "adaptive filtering" as it pertains to video coding, which broadly relates to the "interpolation filter that depends on the size of the reference image and the size of the current image" in US10250877.

Non-Patent Citations for US10250877:

The non-patent citations include several papers from the "Joint Collaborative Team on Video Coding" (JCT-VC), which is responsible for the High Efficiency Video Coding (HEVC) standard. These papers often discuss proposed features and developments in video coding that precede patent applications and are highly relevant as prior art.

  1. Bordes et al., "AHG18 resolution adaptation coding using single resolution in DPB"

    • Full Citation: Bordes et al., "AHG18 resolution adaptation coding using single resolution in DPB", Joint Collaborative Team on Video Coding, 8th Meeting, San José, California, USA, Feb. 1, 2012, pp. 1-11.
    • Publication/Filing Date: February 1, 2012.
    • Brief Description: This paper directly addresses "resolution adaptation coding using single resolution in DPB" (Decoded Picture Buffer). This is exceptionally relevant as a core inventive concept of US10250877 is not storing resampled versions of reference images in the DPB, but rather performing the resampling and motion compensation jointly. The authors of this paper (Bordes) are also inventors of US10250877, suggesting this paper describes an early version or related work to the patented invention.
    • Potential Anticipation: This paper is highly likely to anticipate or disclose aspects of almost all claims, especially the central inventive feature of "no resampled version of said reconstructed reference image is stored in the decoded picture buffer" (explicitly stated in Claims 1, 4, 7, 8) and the methods for handling resolution adaptation.

  2. Bross et al., "WD4 Working draft 4 of high efficiency video coding"

    • Full Citation: Bross et al., "WD4 Working draft 4 of high efficiency video coding", Joint Collaborative Team on Video Coding, 6th Meeting: Torino, Italy, Jul. 14, 2011, pp. 1-231.
    • Publication/Filing Date: July 14, 2011.
    • Brief Description: As a "Working draft 4 of high efficiency video coding," this document would provide a comprehensive overview of the HEVC standard as it stood in mid-2011. It would include details on motion compensation, various filtering techniques, and potentially early discussions on scalable or adaptive resolution coding.
    • Potential Anticipation: This is a broad foundational document. It likely anticipates general concepts of motion compensation, separable filters, and residue coding as found in various parts of US10250877. Specific anticipation would depend on whether it details the joint filtering for motion compensation and resampling, and the DPB storage specifics.

  3. Davies et al., "AHG18 adaptive resolution coding (ARC)"

    • Full Citation: Davies et al., "AHG18 adaptive resolution coding (ARC)", Joint Collaborative Team on Video Coding, 7th Meeting, Geneva, Switzerland, Nov. 21, 2011, pp. 1-12.
    • Publication/Filing Date: November 21, 2011.
    • Brief Description: This paper specifically discusses "adaptive resolution coding (ARC)," making it highly pertinent to US10250877's focus on handling reference images of different sizes.
    • Potential Anticipation: This document likely anticipates or discloses methods for adaptive resolution coding that are relevant to the scope of US10250877, particularly concerning the interaction between different image sizes in coding and decoding.

  4. Davies et al., "JCTVC AHG report resolution adaptation"

    • Full Citation: Davies et al., "JCTVC AHG report resolution adaptation", Joint Collaborative Team on Video Coding, 7th Meeting, Geneva, Switzerland, Nov. 21, 2011, pp. 1-2.
    • Publication/Filing Date: November 21, 2011.
    • Brief Description: This is an "AHG report resolution adaptation," which would summarize the state of research and proposals related to resolution adaptation within the JCT-VC.
    • Potential Anticipation: Similar to the other Davies et al. paper, this report is likely to anticipate aspects of resolution adaptation and handling different image sizes in video coding and decoding, relevant to many claims of US10250877.

  5. Davies et al.: "Resolution switching for coding efficiency and error resilience"

    • Full Citation: Davies et al: "Resolution switching for coding efficiency and error reslilience ", (Joint collaborative team on video coding of ISO/IEC JTC1/SC29/WG11 and ITU-T SG16); Jul. 15, 2011.
    • Publication/Filing Date: July 15, 2011.
    • Brief Description: This paper concerns "Resolution switching for coding efficiency and error resilience." This topic directly relates to the adaptive resolution and efficient coding objectives of US10250877.
    • Potential Anticipation: This paper likely anticipates concepts related to dynamically changing image resolution for coding efficiency, which forms a basis for US10250877's approach.

  6. Han et al: "Joint optimization of the motion estimation module and the Up/Down scaler in transcoders"

    • Full Citation: Han et al: "Joint optimization of the motion estimation module and the Up/Down scaler in transcoders ", IEEE transactions on circuits and systems for video technology. vol. 15, No. 10, Oct. 1, 2005, pp. 1303-1313.
    • Publication/Filing Date: October 1, 2005.
    • Brief Description: This paper describes the "Joint optimization of the motion estimation module and the Up/Down scaler in transcoders." The concept of joint operations on motion estimation and scaling is very close to the core inventive concept of US10250877, where motion compensation and upsampling/subsampling are performed jointly using a single filter.
    • Potential Anticipation: This paper is highly relevant and potentially anticipates the inventive step of US10250877, particularly the aspect of performing resampling and motion compensation conjointly using a single filter, as described in Claims 1, 4, 7, and 8. Its earlier date (2005) makes it strong prior art.

  7. Lee et al: "Hybrid resolution switching method for low bit rate video coding"

    • Full Citation: Lee et al: "Hybrid resolution switching method for low bit rate video coding ", Image Processing, 2007, ICIP 2007, IEEE Intl Conf on IEEE, Sep. 1, 2007. pp. VI-73.
    • Publication/Filing Date: September 1, 2007.
    • Brief Description: This paper presents a "Hybrid resolution switching method for low bit rate video coding." This directly relates to adaptive resolution and bitrate control, which are mentioned as background and motivation for US10250877.
    • Potential Anticipation: This document likely anticipates methods for adaptive resolution and handling different image sizes, particularly for low bitrate scenarios, relevant to the context and problem addressed by US10250877.

  8. Li et al: "AHG18: Comments on the implementations of resolution adaption on HEVC"

    • Full Citation: Li et al: "AHG18: Comments on the implementations of resolution adaption on HEVC ", 7 JCT-VC Meeting (Joint Collaborative Team on Video Coding of ISO/IEC . . . ), Nov. 8, 2011.
    • Publication/Filing Date: November 8, 2011.
    • Brief Description: This paper provides "Comments on the implementations of resolution adaption on HEVC." As part of the HEVC development, it would detail various approaches and considerations for adaptive resolution.
    • Potential Anticipation: This document likely anticipates implementation details and challenges related to resolution adaptation within the HEVC framework, providing context and potentially disclosing techniques relevant to US10250877.

  9. MPEG 4 ITU-T H264 Standard, "Advanced video coding for generic audiovisual"

    • Full Citation: MPEG 4 ITU-T H264 Standard, "Advanced video coding for generic audiovisual", International Telecommunication Union, May 2003, pp. 1-282.
    • Publication/Filing Date: May 2003.
    • Brief Description: This is the foundational H.264/AVC video coding standard. It details various aspects of video compression, including motion compensation and interpolation filtering.
    • Potential Anticipation: This standard anticipates many general video coding techniques, including motion compensation interpolation filters (MCIF) and basic principles of video block coding, which are components within the broader claims of US10250877.

  10. Schwarz et al: "Overview of the scalable video coding extension of the H.264/AVC standard"

    • Full Citation: Schwarz et al: "Overview of the scalable video coding extension of the H.264/AVC standard ", IEEE transactions on circuits and systems for video technology. vol. 17, No. 9, Sep. 1, 2007, pp. 1103-1120.
    • Publication/Filing Date: September 1, 2007.
    • Brief Description: This paper provides an "Overview of the scalable video coding extension of the H.264/AVC standard." Scalable video coding (SVC) is a key area of relevance to US10250877, especially regarding the use of reference images at different resolutions.
    • Potential Anticipation: This document anticipates aspects of scalable video coding and the use of different resolution layers for prediction, which are relevant to Claims 3, 6, 10, and 12 of US10250877.

  11. Wiegand et al: "WD3: Working draft 3 of high-efficiency video coding"

    • Full Citation: Wiegand et al: "WD3: Working draft 3 of high-efficiency video coding ", No. JCTVC-E603, Mar. 29, 2011, pp. 1-160.
    • Publication/Filing Date: March 29, 2011.
    • Brief Description: This is "Working draft 3 of high-efficiency video coding," another key document in the development of the HEVC standard. Similar to WD4, it would detail various coding tools and techniques.
    • Potential Anticipation: This is another broad foundational document for HEVC, likely anticipating general aspects of video coding, including filtering and motion compensation, relevant to the context of US10250877.

  12. Wittmann et al.: "Separable adaptive interpolation filter for video coding"

    • Full Citation: Wittmann et al.: "Separable adaptive interpolation filter for video coding ", Image processing, 2008. 15th IEEE Intl Conf, IEEE, Oct. 12, 2008, pp. 2500-2503.
    • Publication/Filing Date: October 12, 2008.
    • Brief Description: This paper describes a "Separable adaptive interpolation filter for video coding." The concept of separable adaptive interpolation filters is explicitly mentioned in the summary and claims of US10250877.
    • Potential Anticipation: This paper is highly relevant, potentially anticipating the use of "separable adaptive interpolation filters" as described in the summary and potentially Claims 1, 2, 4, 5, 7, 8, 9, and 11 of US10250877. The specific adaptivity and how it relates to joint motion compensation and resampling would be key to determining full anticipation.

Among these, the non-patent citations by Bordes et al. ("AHG18 resolution adaptation coding using single resolution in DPB", Feb. 1, 2012) and Han et al. ("Joint optimization of the motion estimation module and the Up/Down scaler in transcoders", Oct. 1, 2005) appear to be the most relevant as they directly address core aspects of the inventive concept in US10250877: resolution adaptation without storing multiple reference image versions, and the joint optimization/application of motion compensation and scaling filters.

Generated 5/28/2026, 12:49:02 AM