Vanguard Software Solutions, Inc.

Vanguard Video LLC

Beamr Imaging Ltd.

Nikolay Terterov

Alexander Zheludkov

Alexey Martemyanov

Tamar Shoham

Dror Gill

Sharon Carmel

Amir Leibman

Pavel Titkov

There is provided a computerized method and system of optimized video encoding of an input video sequence corresponding to a plurality of input frames, the method comprising: obtaining an input frame; performing a first encoding of the input frame using a first encoding parameter determined in accordance with a target bit-rate, giving rise to a first encoded frame; performing a second encoding of the input frame using an iterative quality-driven encoding scheme initialized with an initial second encoding parameter, the initial second encoding parameter determined based on the first encoding parameter, the second encoding performed in an attempt to seek a second encoded frame having a lower bit-rate than the first encoded frame and meeting a quality criterion relative to the first encoded frame; and in case of the second encoded frame being found, providing the second encoded frame as an output frame corresponding to the input frame.

Method and system of video coding optimization

Simplified selection of optimal intra prediction in block-based video coding based on texture gradient distribution and minimal activity direction. The minimal activity direction is defined by a vector (&#x3b1;(B, W), &#x3b2;(B, W)) indicating minimal variation of a discrete function P(x, y) inside a spatial aria of block B with weights W.

Optimal intra prediction in block-based video coding to calculate minimal activity direction based on texture gradient distribution

In video coding, selecting an optimal intra block size based on minimal activity directions and strengths. The method is directed to simplifying the procedure of choosing the best subdivision of a texture block into intra blocks.

Optimization of intra block size in video coding based on minimal activity directions and strengths

Selection of an optimal directional intra prediction mode for block-based video coding from a reduced number of intra predictions, including a plurality of angular intra predictions, a planar prediction mode, and DC prediction mode, by performing a logarithmic search inside a set of intra prediction directions.

Optimal intra prediction in block-based video coding

Method for multi-level motion estimation in block-based video coding. The method is targeted to HEVC specifications of video compression, however, may be used with other video coding standards.

Video compression for high efficiency video coding using a reduced resolution image

A video codec having a modular structure for encoding/decoding a digitized sequence of video frames in a multi-core system is described. The video codec comprises a memory unit; a multithreading engine. and a plurality of control and task modules organized in a tree structure, each module corresponding to a coding operation. The modules communicate with each other by control messages and shared memory. The control modules control all coding logic and workflow, and lower level task modules perform tasks and provide calculations upon receiving messages from the control task modules. The multithreading engine maintains context of each task and assigns at least one core to each task for execution. The method of coding/decoding comprises an error resilient algorithm.

Real-time video coding/decoding

A video codec having a modular structure for encoding/decoding a digitized sequence of video frames in a multi-core system is described. The video codec comprises a memory unit; a multithreading engine. and a plurality of control and task modules organized in a tree structure, each module corresponding to a coding operation. The modules communicate with each other by control messages and shared memory. The control modules control all coding logic and workflow, and lower level task modules perform tasks and provide calculations upon receiving messages from the control task modules. The multithreading engine maintains context of each task and assigns at least one core to each task for execution. The method of coding/decoding comprises denoising, core motion estimation, distributed motion estimation, weighted texture prediction and error resilient decoding.

Growing community of inventors

Saint-Petersburg, Russia

Nikolay Terterov