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20142025
most citedDetecting Regions of Maximal Divergence for Spatio-Temporal Anomaly Detection

113 citations · 362 across the 18 of their papers we have counts for

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17 papers · 1 filter

cs.CV2025

Prompt-Tuning SAM: From Generalist to Specialist with only 2048 Parameters and 16 Training Images

Tristan Piater, Björn Barz, Alexander Freytag

The Segment Anything Model (SAM) is widely used for segmenting a diverse range of objects in natural images from simple user prompts like points or bounding boxes. However, SAM's p…

cs.CV2022★ 45 cited

Image Classification with Small Datasets: Overview and Benchmark

L. Brigato, B. Barz, L. Iocchi +1

Image classification with small datasets has been an active research area in the recent past. However, as research in this scope is still in its infancy, two key ingredients are mi…

cs.CV2021

Domain Adaptation and Active Learning for Fine-Grained Recognition in the Field of Biodiversity

Bernd Gruner, Matthias Körschens, Björn Barz +1

Deep-learning methods offer unsurpassed recognition performance in a wide range of domains, including fine-grained recognition tasks. However, in most problem areas there are insuf…

cs.CV2021★ 1 cited

A Strong Baseline for the VIPriors Data-Efficient Image Classification Challenge

Björn Barz, Lorenzo Brigato, Luca Iocchi +1

Learning from limited amounts of data is the hallmark of intelligence, requiring strong generalization and abstraction skills. In a machine learning context, data-efficient methods…

cs.CV2021

Tune It or Don't Use It: Benchmarking Data-Efficient Image Classification

Lorenzo Brigato, Björn Barz, Luca Iocchi +1

Data-efficient image classification using deep neural networks in settings, where only small amounts of labeled data are available, has been an active research area in the recent p…

cs.CV2021★ 3 cited

WikiChurches: A Fine-Grained Dataset of Architectural Styles with Real-World Challenges

Björn Barz, Joachim Denzler

We introduce a novel dataset for architectural style classification, consisting of 9,485 images of church buildings. Both images and style labels were sourced from Wikipedia. The d…

cs.CV2021

Self-Supervised Learning from Semantically Imprecise Data

Clemens-Alexander Brust, Björn Barz, Joachim Denzler

Learning from imprecise labels such as "animal" or "bird", but making precise predictions like "snow bunting" at inference time is an important capability for any classifier when e…

cs.CV2020

Content-based Image Retrieval and the Semantic Gap in the Deep Learning Era

Björn Barz, Joachim Denzler

Content-based image retrieval has seen astonishing progress over the past decade, especially for the task of retrieving images of the same object that is depicted in the query imag…

cs.CV2020

Finding Relevant Flood Images on Twitter using Content-based Filters

Björn Barz, Kai Schröter, Ann-Christin Kra +1

The analysis of natural disasters such as floods in a timely manner often suffers from limited data due to coarsely distributed sensors or sensor failures. At the same time, a plet…

cs.CV2020

Making Every Label Count: Handling Semantic Imprecision by Integrating Domain Knowledge

Clemens-Alexander Brust, Björn Barz, Joachim Denzler

Noisy data, crawled from the web or supplied by volunteers such as Mechanical Turkers or citizen scientists, is considered an alternative to professionally labeled data. There has…

cs.CV2019★ 58 cited

Do We Train on Test Data? Purging CIFAR of Near-Duplicates

Björn Barz, Joachim Denzler

The CIFAR-10 and CIFAR-100 datasets are two of the most heavily benchmarked datasets in computer vision and are often used to evaluate novel methods and model architectures in the…

cs.CV2018★ 31 cited

Towards Automatic Identification of Elephants in the Wild

Matthias Körschens, Björn Barz, Joachim Denzler

Identifying animals from a large group of possible individuals is very important for biodiversity monitoring and especially for collecting data on a small number of particularly in…

cs.CV2018★ 97 cited

Hierarchy-based Image Embeddings for Semantic Image Retrieval

Björn Barz, Joachim Denzler

Deep neural networks trained for classification have been found to learn powerful image representations, which are also often used for other tasks such as comparing images w.r.t. t…

cs.CV2018★ 4 cited

Information-Theoretic Active Learning for Content-Based Image Retrieval

Björn Barz, Christoph Käding, Joachim Denzler

We propose Information-Theoretic Active Learning (ITAL), a novel batch-mode active learning method for binary classification, and apply it for acquiring meaningful user feedback in…

cs.CV2017

Automatic Query Image Disambiguation for Content-Based Image Retrieval

Björn Barz, Joachim Denzler

Query images presented to content-based image retrieval systems often have various different interpretations, making it difficult to identify the search objective pursued by the us…

cs.CV2017★ 1 cited

Fast Learning and Prediction for Object Detection using Whitened CNN Features

Björn Barz, Erik Rodner, Christoph Käding +1

We combine features extracted from pre-trained convolutional neural networks (CNNs) with the fast, linear Exemplar-LDA classifier to get the advantages of both: the high detection…

cs.CV2014★ 1 cited

ARTOS -- Adaptive Real-Time Object Detection System

Björn Barz, Erik Rodner, Joachim Denzler

ARTOS is all about creating, tuning, and applying object detection models with just a few clicks. In particular, ARTOS facilitates learning of models for visual object detection by…