Precise Detection in Densely Packed Scenes
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Abstract (arXiv)
Man-made scenes can be densely packed, containing numerous objects, often identical, positioned in close proximity. We show that precise object detection in such scenes remains a challenging frontier even for state-of-the-art object detectors. We propose a novel, deep-learning based method for precise object detection, designed for such challenging settings. Our contributions include: (1) A layer for estimating the Jaccard index as a detection quality score; (2) a novel EM merging unit, which uses our quality scores to resolve detection overlap ambiguities; finally, (3) an extensive, annotated data set, SKU-110K, representing packed retail environments, released for training and testing under such extreme settings. Detection tests on SKU-110K and counting tests on the CARPK and PUCPR+ show our method to outperform existing state-of-the-art with substantial margins. The code and data will be made available on urlwww.github.com/eg4000/SKU110KCVPR19.
Key facts. Cited by 62 papers in the map (data through 7 Oct 2026). First posted on arXiv 1 Apr 2019.
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Citing papers per year: 2021: 4; 2022: 16; 2023: 12; 2024: 11; 2025: 9; 2026: 10.
62 papers.
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- 2022CounTR: Transformer-based Generalised Visual Countingcited by 79
- 2022Few-shot Object Counting with Similarity-Aware Feature Enhancementcited by 62
- 2022Detecting tiny objects in aerial images: A normalized Wasserstein distance and a new benchmarkcited by 56
- 2022AO2-DETR: Arbitrary-Oriented Object Detection Transformercited by 55
- 2022Few-shot Object Counting and Detectioncited by 55
- 2023Point, Segment and Count: A Generalized Framework for Object Countingcited by 39
- 2022H2RBox: Horizontal Box Annotation is All You Need for Oriented Object Detectioncited by 36
- 2023H2RBox-v2: Incorporating Symmetry for Boosting Horizontal Box Supervised Oriented Object Detectioncited by 28
- 2023Point2RBox: Combine Knowledge from Synthetic Visual Patterns for End-to-end Oriented Object Detection with Single Point Supervisioncited by 21
- 2026LocateAnything: Fast and High-Quality Vision-Language Grounding with Parallel Box Decodingcited by 20
- 2022Rethinking Few-Shot Object Detection on a Multi-Domain Benchmarkcited by 17
- 2023Transformers in Small Object Detection: A Benchmark and Survey of State-of-the-Artcited by 15
38 more
- 2021Dynamic Metric Learning: Towards a Scalable Metric Space to Accommodate Multiple Semantic Scalescited by 11
- 2025Point2RBox-v2: Rethinking Point-supervised Oriented Object Detection with Spatial Layout Among Instancescited by 11
- 2024A Fixed-Point Approach to Unified Prompt-Based Countingcited by 10
- 2024CoHD: A Counting-Aware Hierarchical Decoding Framework for Generalized Referring Expression Segmentationcited by 10
- 2022Counting Varying Density Crowds Through Density Guided Adaptive Selection CNN and Transformer Estimationcited by 8
- 2022StandardSim: A Synthetic Dataset For Retail Environmentscited by 6
- 2023YOLOBench: Benchmarking Efficient Object Detectors on Embedded Systemscited by 5
- 2026Vision as Unified Multimodal Generationcited by 5
- 2025YOLO-Master: MOE-Accelerated with Specialized Transformers for Enhanced Real-time Detectioncited by 4
- 2022Decoupled IoU Regression for Object Detectioncited by 3
- 2024ShelfHelp: Empowering Humans to Perform Vision-Independent Manipulation Tasks with a Socially Assistive Robotic Canecited by 3
- 2024Dense Center-Direction Regression for Object Counting and Localization with Point Supervisioncited by 3
- 2024Oriented Tiny Object Detection: A Dataset, Benchmark, and Dynamic Unbiased Learningcited by 3
- 2021Counting and Locating High-Density Objects Using Convolutional Neural Networkcited by 2
- 2021TricubeNet: 2D Kernel-Based Object Representation for Weakly-Occluded Oriented Object Detectioncited by 2
- 2022Unitail: Detecting, Reading, and Matching in Retail Scenecited by 2
- 2023Retail-786k: a Large-Scale Dataset for Visual Entity Matchingcited by 2
- 2024A Benchmark Grocery Dataset of Realworld Point Clouds From Single Viewcited by 2
- 2025ODverse33: Is the New YOLO Version Always Better? A Multi Domain benchmark from YOLO v5 to v11cited by 2
- 2025Point2RBox-v3: Self-Bootstrapping from Point Annotations via Integrated Pseudo-Label Refinement and Utilizationcited by 2
- 2021Semi-supervised Learning for Dense Object Detection in Retail Scenescited by 1
- 2022Designing an Efficient End-to-end Machine Learning Pipeline for Real-time Empty-shelf Detectioncited by 1
- 2022Improving Domain Generalization by Learning without Forgetting: Application in Retail Checkoutcited by 1
- 2022Novel 3D Scene Understanding Applications From Recurrence in a Single Imagecited by 1
- 2022Planogram Compliance Control via Object Detection, Sequence Alignment, and Focused Iterative Searchcited by 1
- 2023BOLLWM: A real-world dataset for bollworm pest monitoring from cotton fields in Indiacited by 1
- 2024Creation and Evaluation of a Food Product Image Dataset for Product Property Extractioncited by 1
- 2025ShelfAware: Real-Time Semantic Localization in Quasi-Static Environments with Low-Cost Sensorscited by 1
- 2026Generalized Small Object Detection:A Point-Prompted Paradigm and Benchmarkcited by 1
- 2022ComplETR: Reducing the cost of annotations for object detection in dense scenes with vision transformerscited by 0
- 2023Tolerating Annotation Displacement in Dense Object Counting via Point Annotation Probability Mapcited by 0
- 2023Concept-based Anomaly Detection in Retail Stores for Automatic Correction using Mobile Robotscited by 0
- 2023SKU-Patch: Towards Efficient Instance Segmentation for Unseen Objects in Auto-Storecited by 0
- 2023Classification of retail products: From probabilistic ranking to neural networkscited by 0
- 2023Vision-Based Automatic Groceries Tracking System -- Smart Homescited by 0
- 2024Embedded Planogram Compliance Control Systemcited by 0
- 2024CloudTracks: A Dataset for Localizing Ship Tracks in Satellite Images of Cloudscited by 0
- 2024Efficient Transferability Assessment for Selection of Pre-trained Detectorscited by 0
50 most cited of 62 All 62 (JSON)
- 2026ShelfChange3D: Object-Level 3D Change Detection for Retail Shelf Monitoring1 Oct 2026
- 2026Puffin-World: Scaling a Unified Multimodal Model with Native 3D World States3 Sep 2026
- 2026Object Counting Across Modalities: Taxonomies, Benchmarks, Applications, and Open Challenges24 Aug 2026
- 2026Vision as Unified Multimodal Generation7 Jul 2026
- 2026PreSIST: Vision-Language-Informed Object Persistence Prediction in Open-World Scenes4 Jul 2026
- 2026ABACUS: Adapting Unified Foundation Model for Bridging Image Count Understanding and Generation22 Jun 2026
- 2026VLM-GLoc: Vision-Language Model Enhanced Monte Carlo Localization for Robust Semantic Global Localization in Cluttered Quasi-Static Environments28 May 2026
- 2026LocateAnything: Fast and High-Quality Vision-Language Grounding with Parallel Box Decoding26 May 2026
- 2026GIST: Multimodal Knowledge Extraction and Spatial Grounding via Intelligent Semantic Topology16 Apr 2026
- 2026Generalized Small Object Detection:A Point-Prompted Paradigm and Benchmark3 Apr 2026
- 2025YOLO-Master: MOE-Accelerated with Specialized Transformers for Enhanced Real-time Detection29 Dec 2025
- 2025Multi-Part Object Representations via Graph Structures and Co-Part Discovery20 Dec 2025
38 more
- 2025ShelfAware: Real-Time Semantic Localization in Quasi-Static Environments with Low-Cost Sensors9 Dec 2025
- 2025ZeBROD: Zero-Retraining Based Recognition and Object Detection Framework4 Dec 2025
- 2025RoboBenchMart: Benchmarking Robots in Retail Environment13 Nov 2025
- 2025Point2RBox-v3: Self-Bootstrapping from Point Annotations via Integrated Pseudo-Label Refinement and Utilization30 Sep 2025
- 2025A Co-Training Semi-Supervised Framework Using Faster R-CNN and YOLO Networks for Object Detection in Densely Packed Retail Images11 Sep 2025
- 2025ODverse33: Is the New YOLO Version Always Better? A Multi Domain benchmark from YOLO v5 to v1120 Feb 2025
- 2025Point2RBox-v2: Rethinking Point-supervised Oriented Object Detection with Spatial Layout Among Instances6 Feb 2025
- 2024Oriented Tiny Object Detection: A Dataset, Benchmark, and Dynamic Unbiased Learning16 Dec 2024
- 2024Creation and Evaluation of a Food Product Image Dataset for Product Property Extraction15 Nov 2024
- 2024Dense Center-Direction Regression for Object Counting and Localization with Point Supervision26 Aug 2024
- 2024Unsupervised Object Detection with Theoretical Guarantees11 Jun 2024
- 2024ShelfHelp: Empowering Humans to Perform Vision-Independent Manipulation Tasks with a Socially Assistive Robotic Cane30 May 2024
- 2024CoHD: A Counting-Aware Hierarchical Decoding Framework for Generalized Referring Expression Segmentation24 May 2024
- 2024A Fixed-Point Approach to Unified Prompt-Based Counting15 Mar 2024
- 2024Efficient Transferability Assessment for Selection of Pre-trained Detectors14 Mar 2024
- 2024A Benchmark Grocery Dataset of Realworld Point Clouds From Single View12 Feb 2024
- 2024CloudTracks: A Dataset for Localizing Ship Tracks in Satellite Images of Clouds25 Jan 2024
- 2024Embedded Planogram Compliance Control System12 Jan 2024
- 2023Vision-Based Automatic Groceries Tracking System -- Smart Homes19 Dec 2023
- 2023Classification of retail products: From probabilistic ranking to neural networks12 Dec 2023
- 2023Point2RBox: Combine Knowledge from Synthetic Visual Patterns for End-to-end Oriented Object Detection with Single Point Supervision23 Nov 2023
- 2023Point, Segment and Count: A Generalized Framework for Object Counting21 Nov 2023
- 2023SKU-Patch: Towards Efficient Instance Segmentation for Unseen Objects in Auto-Store8 Nov 2023
- 2023Concept-based Anomaly Detection in Retail Stores for Automatic Correction using Mobile Robots21 Oct 2023
- 2023Retail-786k: a Large-Scale Dataset for Visual Entity Matching29 Sep 2023
- 2023Transformers in Small Object Detection: A Benchmark and Survey of State-of-the-Art10 Sep 2023
- 2023Tolerating Annotation Displacement in Dense Object Counting via Point Annotation Probability Map29 Jul 2023
- 2023YOLOBench: Benchmarking Efficient Object Detectors on Embedded Systems26 Jul 2023
- 2023H2RBox-v2: Incorporating Symmetry for Boosting Horizontal Box Supervised Oriented Object Detection10 Apr 2023
- 2023BOLLWM: A real-world dataset for bollworm pest monitoring from cotton fields in India3 Apr 2023
- 2022Planogram Compliance Control via Object Detection, Sequence Alignment, and Focused Iterative Search2 Dec 2022
- 2022Novel 3D Scene Understanding Applications From Recurrence in a Single Image14 Oct 2022
- 2022H2RBox: Horizontal Box Annotation is All You Need for Oriented Object Detection13 Oct 2022
- 2022ComplETR: Reducing the cost of annotations for object detection in dense scenes with vision transformers13 Sep 2022
- 2022CounTR: Transformer-based Generalised Visual Counting29 Aug 2022
- 2022Rethinking Few-Shot Object Detection on a Multi-Domain Benchmark22 Jul 2022
- 2022Few-shot Object Counting and Detection22 Jul 2022
- 2022Improving Domain Generalization by Learning without Forgetting: Application in Retail Checkout12 Jul 2022
50 newest of 62 All 62 (JSON)
- 2026LocateAnything: Fast and High-Quality Vision-Language Grounding with Parallel Box Decodingcited by 20
- 2026VLM-GLoc: Vision-Language Model Enhanced Monte Carlo Localization for Robust Semantic Global Localization in Cluttered Quasi-Static Environmentscited by 0
- 2026ABACUS: Adapting Unified Foundation Model for Bridging Image Count Understanding and Generationcited by 0
- 2026ABACUS: Adapting Unified Foundation Model for Bridging Image Count Understanding and Generation22 Jun 2026
- 2026VLM-GLoc: Vision-Language Model Enhanced Monte Carlo Localization for Robust Semantic Global Localization in Cluttered Quasi-Static Environments28 May 2026
- 2026LocateAnything: Fast and High-Quality Vision-Language Grounding with Parallel Box Decoding26 May 2026
- 2022CounTR: Transformer-based Generalised Visual Countingcited by 79
- 2022Few-shot Object Counting with Similarity-Aware Feature Enhancementcited by 62
- 2022Detecting tiny objects in aerial images: A normalized Wasserstein distance and a new benchmarkcited by 56
- 2022AO2-DETR: Arbitrary-Oriented Object Detection Transformercited by 55
- 2022Few-shot Object Counting and Detectioncited by 55
- 2023Point, Segment and Count: A Generalized Framework for Object Countingcited by 39
- 2022H2RBox: Horizontal Box Annotation is All You Need for Oriented Object Detectioncited by 36
- 2023H2RBox-v2: Incorporating Symmetry for Boosting Horizontal Box Supervised Oriented Object Detectioncited by 28
- 2023Point2RBox: Combine Knowledge from Synthetic Visual Patterns for End-to-end Oriented Object Detection with Single Point Supervisioncited by 21
- 2022Rethinking Few-Shot Object Detection on a Multi-Domain Benchmarkcited by 17
- 2023Transformers in Small Object Detection: A Benchmark and Survey of State-of-the-Artcited by 15
- 2021Dynamic Metric Learning: Towards a Scalable Metric Space to Accommodate Multiple Semantic Scalescited by 11
12 most cited of 58 All 58 (JSON)
- 2026ShelfChange3D: Object-Level 3D Change Detection for Retail Shelf Monitoring1 Oct 2026
- 2026Puffin-World: Scaling a Unified Multimodal Model with Native 3D World States3 Sep 2026
- 2026Object Counting Across Modalities: Taxonomies, Benchmarks, Applications, and Open Challenges24 Aug 2026
- 2026Vision as Unified Multimodal Generation7 Jul 2026
- 2026PreSIST: Vision-Language-Informed Object Persistence Prediction in Open-World Scenes4 Jul 2026
- 2026GIST: Multimodal Knowledge Extraction and Spatial Grounding via Intelligent Semantic Topology16 Apr 2026
- 2026Generalized Small Object Detection:A Point-Prompted Paradigm and Benchmark3 Apr 2026
- 2025Multi-Part Object Representations via Graph Structures and Co-Part Discovery20 Dec 2025
- 2025ShelfAware: Real-Time Semantic Localization in Quasi-Static Environments with Low-Cost Sensors9 Dec 2025
- 2025ZeBROD: Zero-Retraining Based Recognition and Object Detection Framework4 Dec 2025
- 2025RoboBenchMart: Benchmarking Robots in Retail Environment13 Nov 2025
- 2025Point2RBox-v3: Self-Bootstrapping from Point Annotations via Integrated Pseudo-Label Refinement and Utilization30 Sep 2025
12 newest of 58 All 58 (JSON)