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Benchmarking a Benchmark: How Reliable is MS-COCO?

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arxiv 2311.02709 v1 pith:L7XJVXTX submitted 2023-11-05 cs.CV

classification cs.CV
keywords annotationdatasetsalgorithmsbenchmarkbiasesdatasetimageimportant
verification ladder T0 review T1 audit T2 compute T3 formal
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Benchmark datasets are used to profile and compare algorithms across a variety of tasks, ranging from image classification to segmentation, and also play a large role in image pretraining algorithms. Emphasis is placed on results with little regard to the actual content within the dataset. It is important to question what kind of information is being learned from these datasets and what are the nuances and biases within them. In the following work, Sama-COCO, a re-annotation of MS-COCO, is used to discover potential biases by leveraging a shape analysis pipeline. A model is trained and evaluated on both datasets to examine the impact of different annotation conditions. Results demonstrate that annotation styles are important and that annotation pipelines should closely consider the task of interest. The dataset is made publicly available at https://www.sama.com/sama-coco-dataset/ .

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Jako Tako or Fluent? Presenting PoVisLE: A Polish Vision-Language Evaluation

    cs.CL 2026-08 conditional novelty 6.0 of 10

    PoVisLE, a manually constructed Polish cultural visual question-answering benchmark, shows current vision-language models reach at most 71.45% accuracy and perform worst on dialect and regionalism questions.

  2. Pseudo-Labeling Driven Refinement of Benchmark Object Detection Datasets via Analysis of Learning Patterns

    cs.CV 2025-06 reject novelty 6.0 of 10

    MJ-COCO, a pseudo-labeling based re-annotation of MS-COCO, improves detection on some external benchmarks but reduces performance on the standard MS-COCO validation set.

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