Search Results for author: Geetha Ramasubbu

Found 5 papers, 1 papers with code

The Bjøntegaard Bible -- Why your Way of Comparing Video Codecs May Be Wrong

1 code implementation25 Apr 2023 Christian Herglotz, Hannah Och, Anna Meyer, Geetha Ramasubbu, Lena Eichermüller, Matthias Kränzler, Fabian Brand, Kristian Fischer, Dat Thanh Nguyen, Andy Regensky, André Kaup

Using additional supporting points inbetween standard points defined by parameters such as the quantization parameter, we assess the interpolation error of the Bj{\o}ntegaard-Delta (BD) calculus and its impact on the final BD value.

Quantization SSIM +1

A Bit Stream Feature-Based Energy Estimator for HEVC Software Encoding

no code implementations11 Dec 2022 Geetha Ramasubbu, André Kaup, Christian Herglotz

To this end, this paper presents an energy estimator that uses a subset of bit stream features to accurately estimate the energy consumption of the HEVC software encoding process.

Total Energy

Matched Quality Evaluation of Temporally Downsampled Videos with Non-Integer Factors

no code implementations21 Sep 2022 Christian Herglotz, Geetha Ramasubbu, André Kaup

Recent research has shown that temporal downsampling of high-frame-rate sequences can be exploited to improve the rate-distortion performance in video coding.

Modeling the HEVC Encoding Energy Using the Encoder Processing Time

no code implementations6 Jul 2022 Geetha Ramasubbu, André Kaup, Christian Herglotz

The global significance of energy consumption of video communication renders research on the energy need of video coding an important task.

Video Compression

Optimized Decoding-Energy-Aware Encoding in Practical VVC Implementations

no code implementations27 Jun 2022 Matthias Kränzler, Adam Wieckowski, Geetha Ramasubbu, Benjamin Bross, André Kaup, Detlev Marpe, Christian Herglotz

We show that encoding using our proposed coding tool profiles, the decoding energy efficiency is improved by over 25% with a bit rate increase of less than 5% with respect to standard encoding.

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