Search Results for author: Hakan Cevikalp

Found 7 papers, 1 papers with code

Degree-based stratification of nodes in Graph Neural Networks

no code implementations16 Dec 2023 Ameen Ali, Hakan Cevikalp, Lior Wolf

Here, we propose a different approach that is based on a stratification of the graph nodes.

Deep Simplex Classifier for Maximizing the Margin in Both Euclidean and Angular Spaces

no code implementations22 Dec 2022 Hakan Cevikalp, Hasan Saribas

This paper introduces a novel classification loss that maximizes the margin in both the Euclidean and angular spaces at the same time.

Classification Open Set Learning

Deep Compact Polyhedral Conic Classifier for Open and Closed Set Recognition

no code implementations24 Feb 2021 Hakan Cevikalp, Bedirhan Uzun, Okan Köpüklü, Gurkan Ozturk

In this paper, we propose a new deep neural network classifier that simultaneously maximizes the inter-class separation and minimizes the intra-class variation by using the polyhedral conic classification function.

Anomaly Detection General Classification +1

TRAT: Tracking by Attention Using Spatio-Temporal Features

no code implementations18 Nov 2020 Hasan Saribas, Hakan Cevikalp, Okan Köpüklü, Bedirhan Uzun

Although motion provides distinctive and complementary information especially for fast moving objects, most of the recent tracking architectures primarily focus on the objects' appearance information.

Object Tracking

Dissected 3D CNNs: Temporal Skip Connections for Efficient Online Video Processing

1 code implementation30 Sep 2020 Okan Köpüklü, Stefan Hörmann, Fabian Herzog, Hakan Cevikalp, Gerhard Rigoll

Convolutional Neural Networks with 3D kernels (3D-CNNs) currently achieve state-of-the-art results in video recognition tasks due to their supremacy in extracting spatiotemporal features within video frames.

Action Classification Video Recognition

Discriminatively Learned Convex Models for Set Based Face Recognition

no code implementations ICCV 2019 Hakan Cevikalp, Golara Ghorban Dordinejad

Majority of the image set based face recognition methods use a generatively learned model for each person that is learned independently by ignoring the other persons in the gallery set.

Face Recognition

Polyhedral Conic Classifiers for Visual Object Detection and Classification

no code implementations CVPR 2017 Hakan Cevikalp, Bill Triggs

Our experiments show that they significantly outperform both linear SVMs and existing one-class discriminants on a wide range of object detection, open set recognition and conventional closed-set classification tasks.

Classification General Classification +4

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