Users prefer Jpegli over same-sized libjpeg-turbo or MozJPEG

no code implementations • 27 Mar 2024 • Martin Bruse, Luca Versari, Zoltan Szabadka, Jyrki Alakuijala

We performed pairwise comparisons by human raters of JPEG images from MozJPEG, libjpeg-turbo and our new Jpegli encoder.

Guetzli: Perceptually Guided JPEG Encoder

1 code implementation • 13 Mar 2017 • Jyrki Alakuijala, Robert Obryk, Ostap Stoliarchuk, Zoltan Szabadka, Lode Vandevenne, Jan Wassenberg

Guetzli is a new JPEG encoder that aims to produce visually indistinguishable images at a lower bit-rate than other common JPEG encoders.

Perceptual Distance Quantization

Users prefer Guetzli JPEG over same-sized libjpeg

no code implementations • 13 Mar 2017 • Jyrki Alakuijala, Robert Obryk, Zoltan Szabadka, Jan Wassenberg

We report on pairwise comparisons by human raters of JPEG images from libjpeg and our new Guetzli encoder.