1 code implementation • 2 Feb 2024 • Nergis Tomen, Silvia L. Pintea, Jan C. van Gemert
CNNs and computational models of biological vision share some fundamental principles, which opened new avenues of research.
1 code implementation • ICCV 2023 • Silvia L. Pintea, Yancong Lin, Jouke Dijkstra, Jan C. van Gemert
A number of computer vision deep regression approaches report improved results when adding a classification loss to the regression loss.
1 code implementation • 10 Aug 2023 • Frans de Boer, Jan C. van Gemert, Jouke Dijkstra, Silvia L. Pintea
We conclude that the progress prediction task is ill-posed on the currently used real-world datasets.
1 code implementation • ICCV 2023 • Xin Liu, Fatemeh Karimi Nejadasl, Jan C. van Gemert, Olaf Booij, Silvia L. Pintea
2) Improved efficiency by only doing the expensive feature computations on a small subset of all frames.
Ranked #1 on Video Object Detection on Waymo Open Dataset
no code implementations • ICCV 2023 • Yunqiang Li, Jan C. van Gemert, Torsten Hoefler, Bert Moons, Evangelos Eleftheriou, Bram-Ernst Verhoef
Deep learning algorithms are increasingly employed at the edge.
1 code implementation • 5 May 2022 • Osman Semih Kayhan, Jan C. van Gemert
Which object detector is suitable for your context sensitive task?
1 code implementation • CVPR 2022 • Yancong Lin, Ruben Wiersma, Silvia L. Pintea, Klaus Hildebrandt, Elmar Eisemann, Jan C. van Gemert
Deep learning has improved vanishing point detection in images.
1 code implementation • 2 Dec 2021 • Yunqiang Li, Silvia L. Pintea, Jan C. van Gemert
We investigate experimentally that equal bit ratios are indeed preferable and show that our method leads to optimization benefits.
no code implementations • 12 Nov 2021 • Nikhil Saldanha, Silvia L. Pintea, Jan C. van Gemert, Nergis Tomen
Frequency information lies at the base of discriminating between textures, and therefore between different objects.
1 code implementation • ICLR 2022 • David W. Romero, Robert-Jan Bruintjes, Jakub M. Tomczak, Erik J. Bekkers, Mark Hoogendoorn, Jan C. van Gemert
In this work, we propose FlexConv, a novel convolutional operation with which high bandwidth convolutional kernels of learnable kernel size can be learned at a fixed parameter cost.
no code implementations • 17 Aug 2021 • Andrea Alfieri, Yancong Lin, Jan C. van Gemert
Transformers can generate predictions in two approaches: 1. auto-regressively by conditioning each sequence element on the previous ones, or 2. directly produce an output sequences in parallel.
1 code implementation • ICCV 2021 • Attila Lengyel, Sourav Garg, Michael Milford, Jan C. van Gemert
The traditional domain adaptation setting is to train on one domain and adapt to the target domain by exploiting unlabeled data samples from the test set.
Ranked #2 on Image Retrieval on 24/7 Tokyo
no code implementations • 21 Jun 2021 • Yapkan Choi, Yeshwanth Napolean, Jan C. van Gemert
In this paper we evaluate running gait as an attribute for video person re-identification in a long-distance running event.
1 code implementation • 9 Jun 2021 • Attila Lengyel, Jan C. van Gemert
Group Equivariant Convolutions (GConvs) enable convolutional neural networks to be equivariant to various transformation groups, but at an additional parameter and compute cost.
1 code implementation • 7 Jun 2021 • Silvia L. Pintea, Nergis Tomen, Stanley F. Goes, Marco Loog, Jan C. van Gemert
We use scale-space theory to obtain a self-similar parametrization of filters and make use of the N-Jet: a truncated Taylor series to approximate a filter by a learned combination of Gaussian derivative filters.
1 code implementation • 4 Jun 2021 • Osman Semih Kayhan, Bart Vredebregt, Jan C. van Gemert
We show that object detectors can hallucinate and detect missing objects; potentially even accurately localized at their expected, but non-existing, position.
1 code implementation • CVPR 2021 • Xin Liu, Silvia L. Pintea, Fatemeh Karimi Nejadasl, Olaf Booij, Jan C. van Gemert
A common heuristic is uniformly sampling a small number of video frames and using these to recognize the action.
no code implementations • 26 Nov 2020 • Soroosh Poorgholi, Osman Semih Kayhan, Jan C. van Gemert
Video understanding has received more attention in the past few years due to the availability of several large-scale video datasets.
1 code implementation • 20 Oct 2020 • Rafal Pytel, Osman Semih Kayhan, Jan C. van Gemert
Occlusion degrades the performance of human pose estimation.
1 code implementation • ECCV 2020 • Yancong Lin, Silvia L. Pintea, Jan C. van Gemert
Here, we reduce the dependency on labeled data by building on the classic knowledge-based priors while using deep networks to learn features.
Ranked #3 on Line Segment Detection on wireframe dataset
1 code implementation • 16 Apr 2020 • Ioannis Lelekas, Nergis Tomen, Silvia L. Pintea, Jan C. van Gemert
Biological vision adopts a coarse-to-fine information processing pathway, from initial visual detection and binding of salient features of a visual scene, to the enhanced and preferential processing given relevant stimuli.
1 code implementation • CVPR 2020 • Osman Semih Kayhan, Jan C. van Gemert
In this paper we challenge the common assumption that convolutional layers in modern CNNs are translation invariant.
no code implementations • 8 Sep 2019 • Xin Liu, Seyran Khademi, Jan C. van Gemert
Cross domain image matching between image collections from different source and target domains is challenging in times of deep learning due to i) limited variation of image conditions in a training set, ii) lack of paired-image labels during training, iii) the existing of outliers that makes image matching domains not fully overlap.
no code implementations • 10 Sep 2018 • Silvia L. Pintea, Jian Zheng, XiLin Li, Paulina J. M. Bank, Jacobus J. van Hilten, Jan C. van Gemert
We focus on the problem of estimating human hand-tremor frequency from input RGB video data.
1 code implementation • 10 Sep 2018 • Omar Hommos, Silvia L. Pintea, Pascal S. M. Mettes, Jan C. van Gemert
We design these complex filters to resemble complex Gabor filters, typically employed for phase-information extraction.
no code implementations • 18 May 2018 • Silvia L. Pintea, Yue Liu, Jan C. van Gemert
Knowledge distillation compacts deep networks by letting a small student network learn from a large teacher network.
1 code implementation • 19 Mar 2018 • Silvia L. Pintea, Jan C. van Gemert, Arnold W. M. Smeulders
This paper proposes motion prediction in single still images by learning it from a set of videos.
no code implementations • 19 Mar 2018 • Silvia L. Pintea, Pascal S. Mettes, Jan C. van Gemert, Arnold W. M. Smeulders
This method introduces an efficient manner of learning action categories without the need of feature estimation.
no code implementations • 19 Mar 2018 • Silvia L. Pintea, Jan C. van Gemert, Arnold W. M. Smeulders
This enables each center to adjust the kernel space in its vicinity in correspondence with the topology of the targets --- a multi-modal approach.
1 code implementation • CVPR 2017 • Yichao Zhang, Silvia L. Pintea, Jan C. van Gemert
In these contexts there is often large motion present which severely distorts current video amplification methods that magnify change linearly.
1 code implementation • ICCV 2017 • Miriam W. Huijser, Jan C. van Gemert
This paper is on active learning where the goal is to reduce the data annotation burden by interacting with a (human) oracle during training.
no code implementations • 6 Oct 2016 • Svetlana Kordumova, Jan C. van Gemert, Cees G. M. Snoek, Arnold W. M. Smeulders
Second, we propose translating the things syntax in linguistic abstract statements and study their descriptive effect to retrieve scenes.
no code implementations • 26 Apr 2016 • Pascal Mettes, Jan C. van Gemert, Cees G. M. Snoek
Rather than annotating boxes, we propose to annotate actions in video with points on a sparse subset of frames only.
no code implementations • ICCV 2015 • Mihir Jain, Jan C. van Gemert, Thomas Mensink, Cees G. M. Snoek
Our key contribution is objects2action, a semantic word embedding that is spanned by a skip-gram model of thousands of object categories.
Ranked #21 on Zero-Shot Action Recognition on UCF101
no code implementations • 16 Oct 2015 • Pascal Mettes, Jan C. van Gemert, Cees G. M. Snoek
This work aims for image categorization using a representation of distinctive parts.
no code implementations • CVPR 2015 • Mihir Jain, Jan C. van Gemert, Cees G. M. Snoek
This paper contributes to automatic classification and localization of human actions in video.
no code implementations • CVPR 2013 • Ivo Everts, Jan C. van Gemert, Theo Gevers
Existing STIP-based action recognition approaches operate on intensity representations of the image data.