Comparing computer vision analysis of signed language video with motion capture recordings. - Matti Karppa; Tommi Jantunen; Ville Viitaniemi; Jorma Laaksonen; Birgitta Burger; Danny De Weerdt (LREC, 2012)

Head Pose Estimation for Sign Language Video. - Marcos Luzardo; Matti Karppa; Jorma Laaksonen; Tommi Jantunen (SCIA, 2013)

Detecting Hand-Head Occlusions in Sign Language Video. - Ville Viitaniemi; Matti Karppa; Jorma Laaksonen; Tommi Jantunen (SCIA, 2013)

2D Appearance Based Techniques for Tracking the Signer Configuration in Sign Language Video Recordings. - Ville Viitaniemi; Matti Karppa; Jorma Laaksonen (ICIAR (2), 2014)

Experiments on Recognising the Handshape in Blobs Extracted from Sign Language Videos. - Ville Viitaniemi; Matti Karppa; Jorma Laaksonen (ICPR, 2014)

SLMotion - An extensible sign language oriented video analysis tool. - Matti Karppa; Ville Viitaniemi; Marcos Luzardo; Jorma Laaksonen; Tommi Jantunen (LREC, 2014)

S-pot - a benchmark in spotting signs within continuous signing. - Ville Viitaniemi; Tommi Jantunen; Leena Savolainen; Matti Karppa; Jorma Laaksonen (LREC, 2014)

A Faster Subquadratic Algorithm for Finding Outlier Correlations. - Matti Karppa; Petteri Kaski; Jukka Kohonen (ACM Trans. Algorithms, 2018)

Probabilistic Tensors and Opportunistic Boolean Matrix Multiplication. - Matti Karppa; Petteri Kaski (SODA, 2019)

Engineering Boolean Matrix Multiplication for Multiple-Accelerator Shared-Memory Architectures. - Matti Karppa; Petteri Kaski (CoRR, 2019)

Explicit Correlation Amplifiers for Finding Outlier Correlations in Deterministic Subquadratic Time. - Matti Karppa; Petteri Kaski; Jukka Kohonen; Padraig Ó Catháin (Algorithmica, 2020)

An adaptive prefix-assignment technique for symmetry reduction. - Tommi A. Junttila; Matti Karppa; Petteri Kaski; Jukka Kohonen (J. Symb. Comput., 2020)

On Bilinear Techniques for Similarity Search and Boolean Matrix Multiplication. - Matti Karppa (2020)

DEANN: Speeding up Kernel-Density Estimation using Approximate Nearest Neighbor Search. - Matti Karppa; Martin Aumüller 001; Rasmus Pagh (AISTATS, 2022)

HyperLogLogLog: Cardinality Estimation With One Log More. - Matti Karppa; Rasmus Pagh (KDD, 2022)