Search Results for author: Sezer Karaoglu

Found 23 papers, 10 papers with code

Joint 3D Layout and Depth Prediction from a Single Indoor Panorama Image

no code implementations ECCV 2020 Wei Zeng, Sezer Karaoglu, Theo Gevers

Leveraging the layout depth map as an intermediate representation, our proposed method outperforms existing methods for both panorama layout prediction and depth estimation.

Depth Estimation Depth Prediction

Relational Prior Knowledge Graphs for Detection and Instance Segmentation

1 code implementation11 Oct 2023 Osman Ülger, Yu Wang, Ysbrand Galama, Sezer Karaoglu, Theo Gevers, Martin R. Oswald

Humans have a remarkable ability to perceive and reason about the world around them by understanding the relationships between objects.

Instance Segmentation Knowledge Graphs +5

Intrinsic Image Decomposition Using Point Cloud Representation

1 code implementation20 Jul 2023 Xiaoyan Xing, Konrad Groh, Sezer Karaoglu, Theo Gevers

The purpose of intrinsic decomposition is to separate an image into its albedo (reflective properties) and shading components (illumination properties).

Intrinsic Image Decomposition

SIGNet: Intrinsic Image Decomposition by a Semantic and Invariant Gradient Driven Network for Indoor Scenes

1 code implementation30 Aug 2022 Partha Das, Sezer Karaoglu, Arjan Gijsenij, Theo Gevers

An ablation study is conducted showing that the use of the proposed priors and progressive CNN increase the IID performance.

Intrinsic Image Decomposition

Multi-person 3D pose estimation from a single image captured by a fisheye camera

no code implementations Computer Vision and Image Understanding 2022 YaHui Zhang, ShaoDi You, Sezer Karaoglu, Theo Gevers

Multi-person 3D pose estimation with absolute depths for a fisheye camera is a challenging task but with valuable applications in daily life, especially for video surveillance.

3D Human Pose Estimation 3D Pose Estimation

PIE-Net: Photometric Invariant Edge Guided Network for Intrinsic Image Decomposition

1 code implementation CVPR 2022 Partha Das, Sezer Karaoglu, Theo Gevers

An extensive ablation study and large scale experiments are conducted showing that it is beneficial for edge-driven hybrid IID networks to make use of illumination invariant descriptors and that separating global and local cues helps in improving the performance of the network.

Intrinsic Image Decomposition

Spatio-temporal Features for Generalized Detection of Deepfake Videos

no code implementations22 Oct 2020 Ipek Ganiyusufoglu, L. Minh Ngô, Nedko Savov, Sezer Karaoglu, Theo Gevers

In this paper, we empirically show that existing approaches on image and sequence classifiers generalize poorly to new manipulation techniques.

DeepFake Detection Face Swapping

Physics-based Shading Reconstruction for Intrinsic Image Decomposition

no code implementations3 Sep 2020 Anil S. Baslamisli, Yang Liu, Sezer Karaoglu, Theo Gevers

We investigate the use of photometric invariance and deep learning to compute intrinsic images (albedo and shading).

Intrinsic Image Decomposition

Multi-Loss Weighting with Coefficient of Variations

1 code implementation3 Sep 2020 Rick Groenendijk, Sezer Karaoglu, Theo Gevers, Thomas Mensink

In this paper, we propose a weighting scheme based on the coefficient of variations and set the weights based on properties observed while training the model.

Monocular Depth Estimation Multi-Task Learning +1

Kinship Identification through Joint Learning Using Kinship Verification Ensembles

1 code implementation ECCV 2020 Wei Wang, ShaoDi You, Sezer Karaoglu, Theo Gevers

The experiments further show significant performance improvement of kinship verification when trained on the same dataset with more realistic distributions.

Kinship Verification

On the Benefit of Adversarial Training for Monocular Depth Estimation

1 code implementation29 Oct 2019 Rick Groenendijk, Sezer Karaoglu, Theo Gevers, Thomas Mensink

For the quality of the image reconstruction and disparity prediction, a combination of different losses is used, including L1 image reconstruction losses and left-right disparity smoothness.

Depth Prediction Generative Adversarial Network +2

Improving Face Detection Performance with 3D-Rendered Synthetic Data

no code implementations18 Dec 2018 Jian Han, Sezer Karaoglu, Hoang-An Le, Theo Gevers

In this paper, we provide a synthetic data generator methodology with fully controlled, multifaceted variations based on a new 3D face dataset (3DU-Face).

Data Augmentation Face Detection

Color Constancy by GANs: An Experimental Survey

no code implementations7 Dec 2018 Partha Das, Anil S. Baslamisli, Yang Liu, Sezer Karaoglu, Theo Gevers

In this paper, we formulate the color constancy task as an image-to-image translation problem using GANs.

Color Constancy Image-to-Image Translation +1

Automatic Generation of Dense Non-rigid Optical Flow

1 code implementation5 Dec 2018 Hoàng-Ân Lê, Tushar Nimbhorkar, Thomas Mensink, Anil S. Baslamisli, Sezer Karaoglu, Theo Gevers

There hardly exists any large-scale datasets with dense optical flow of non-rigid motion from real-world imagery as of today.

Optical Flow Estimation

Detect2Rank : Combining Object Detectors Using Learning to Rank

no code implementations26 Dec 2014 Sezer Karaoglu, Yang Liu, Theo Gevers

Experiments on the PASCAL VOC07 and VOC10 datasets show that the proposed method significantly outperforms single object detectors, DPM (8. 4%), CN (6. 8%) and EES (17. 0%) on VOC07 and DPM (6. 5%), CN (5. 5%) and EES (16. 2%) on VOC10.

Learning-To-Rank Object +2

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