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Welcome to the third Landmark Recognition competition! This year, we have worked to set this up as a code competition and collected a new set of test images.

Have you ever gone through your vacation photos and asked yourself: What was the name of that temple I visited in China? or Who created this monument I saw in France? Landmark recognition can help! This technology can predict landmark labels directly from image pixels, to help people better understand and organize their photo collections. This competition challenges Kagglers to build models that recognize the correct landmark (if any) in a dataset of challenging test images.

Many Kagglers are familiar with image classification challenges like the ImageNet Large Scale Visual Recognition Challenge (ILSVRC), which aims to recognize 1K general object categories. Landmark recognition is a little different from that: it contains a much larger number of classes (there are more than 81K classes in this challenge), and the number of training examples per class may not be very large. Landmark recognition is challenging in its own way.

In the previous editions of this challenge (2018 and 2019), submissions were handled by uploading prediction files to the system. This year's competition is structured in a synchronous rerun format, where participants need to submit their Kaggle notebooks for scoring.

This challenge is organized in conjunction with the Landmark Retrieval Challenge 2020, which was launched June 30, 2020. Both challenges are affiliated with the Instance-Level Recognition workshop in ECCV’20.

This is a Code Competition. Refer to Code Requirements for details.

Notebooks
 
32 discussion topics
 
 
 
Launch8 days ago
 

2 months

Rules Acceptance Deadline

 
Close2 months
 

85

Teams

90

Competitors

281

Entries

Points

This competition awards standard ranking points

Tiers

This competition counts towards tiers

Tags

image datax 1733

data type > image data

computer visionx 1053

technique > computer vision

custom metric

custom metric

Automatic Tag

Data Description

In this competition, you are asked to take test images and recognize which landmarks (if any) are depicted in them. The training set is available in the train/ folder, with corresponding landmark labels in train.csv. The test set images are listed in the test/ folder. Each image has a unique id. Since there are a large number of images, each image is placed within three subfolders according to the first three characters of the image id (i.e. image abcdef.jpg is placed in a/b/c/abcdef.jpg).

This is a synchronous rerun code competition. The provided test set is a representative set of files to demonstrate the format of the private test set. When you submit your notebook, Kaggle will rerun your code on the private dataset. Additionally, this competition also has two unique characteristics:

  • To facilitate recognition-by-retrieval approaches, the private training set contains only a 100k subset of the total public training set. This 100k subset contains all of the training set images associated with the landmarks in the private test set. You may still attach the full training set as an external data set if you wish.
  • Submissions are given 12 hours to run, as compared to the site-wide session limit of 9 hours. While your commit must still finish in the 9 hour limit in order to be eligible to submit, the rerun may take the full 12 hours.

GLDv2

The training data for this competition comes from a cleaned version of the Google Landmarks Dataset v2 (GLDv2), which is available here. Please refer to the paper for more details on the dataset construction and how to use it. See this code example for an example of a pretrained model.

If you make use of this dataset in your research, please consider citing:

"Google Landmarks Dataset v2 - A Large-Scale Benchmark for Instance-Level Recognition and Retrieval", T. Weyand, A. Araujo, B. Cao and J. Sim, Proc. CVPR'20

kaggle competitions download -c landmark-recognition-2020
Use the Kaggle API to download the dataset.
https://github.com/Kaggle/kaggle-api
Copy API command to clipboardKaggle API installation and documentation
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Summary
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sample_submission.csv(292.99 KB)
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posted on 2020-08-06 23:24  XiaoNiuFeiTian  阅读(976)  评论(0编辑  收藏  举报