Huawei technologies co., ltd. (20240121432). METHOD AND APPARATUS FOR INTRA PREDICTION USING AN INTERPOLATION FILTER simplified abstract

METHOD AND APPARATUS FOR INTRA PREDICTION USING AN INTERPOLATION FILTER

Organization Name

huawei technologies co., ltd.

Inventor(s)

Alexey Konstantinovich Filippov of Moscow (RU)

Vasily Alexeevich Rufitskiy of Moscow (RU)

Jianle Chen of San Diego CA (US)

METHOD AND APPARATUS FOR INTRA PREDICTION USING AN INTERPOLATION FILTER - A simplified explanation of the abstract

This abstract first appeared for US patent application 20240121432 titled 'METHOD AND APPARATUS FOR INTRA PREDICTION USING AN INTERPOLATION FILTER

Simplified Explanation

The patent application describes a method for video coding that involves applying an interpolation filter to reference samples during an intra-prediction process of a block. The interpolation filter is selected based on a subpixel offset between the reference samples and the samples to be predicted, and the size of the main reference side used in the process is determined according to the length of the interpolation filter and the intra-prediction mode that provides the greatest non-integer value of the subpixel offset.

• Intra-prediction process with interpolation filter for video coding:

   - Applying an interpolation filter to reference samples during intra-prediction
   - Selecting the interpolation filter based on subpixel offset
   - Determining the size of the main reference side based on the length of the filter and intra-prediction mode

Potential Applications

This technology can be applied in video coding and compression algorithms to improve the efficiency and quality of video encoding processes.

Problems Solved

1. Enhances the accuracy of intra-prediction in video coding. 2. Optimizes the selection of interpolation filters for better prediction results.

Benefits

1. Improved video coding efficiency. 2. Enhanced video compression quality. 3. Better prediction accuracy in video encoding.

Potential Commercial Applications

Optimizing video coding processes in applications such as video streaming services, video conferencing platforms, and digital video recording systems.

Possible Prior Art

Prior art may include existing video coding techniques that utilize interpolation filters in intra-prediction processes, but the specific method of selecting the filter based on subpixel offset and determining the main reference side size according to the filter length and intra-prediction mode may be novel.

How does this method compare to existing video coding techniques in terms of compression efficiency and prediction accuracy?

This article does not provide a direct comparison with existing video coding techniques to evaluate the performance improvements offered by the proposed method.

What are the computational requirements of implementing this method in real-time video encoding systems?

The article does not address the computational complexity or resource requirements of integrating this method into real-time video encoding systems.

Original Abstract Submitted

provided are a method, an apparatus, a computer program product and a non-transitory computer-readable medium for video coding. the method comprises performing an intra-prediction process of a block comprising samples to be predicted, wherein an interpolation filter is applied to reference samples of the block during the intra-prediction process of the block. the interpolation filter is selected on the basis of a subpixel offset between the reference samples and the samples to be predicted, and a size of a main reference side used in the intra-prediction process is determined according to a length of the interpolation filter and an intra-prediction mode that provides, out of a 10 set of available intra-prediction modes, the greatest non-integer value of said subpixel offset, wherein the main reference side comprises the reference samples.