{
  "id": 114694,
  "title": "Learning from Weak and Noisy Labels for Semantic Segmentation",
  "url": "/competitions/understanding_cloud_organization/discussion/114694",
  "author_name": "",
  "post_date": "2019-10-28T15:26:34.962250800Z",
  "votes": 15,
  "comment_count": 4,
  "views": 0,
  "content": "<p>i found <strong><a href=\"https://ieeexplore.ieee.org/document/7450177\">this research paper</a></strong> interesting for this competition</p>\n\n<h1>Abstract:</h1>\n\n<p>A weakly supervised semantic segmentation (WSSS) method aims to learn a segmentation model from weak (image-level) as opposed to strong (pixel-level) labels. By avoiding the tedious pixel-level annotation process, it can exploit the unlimited supply of user-tagged images from media-sharing sites such as Flickr for large scale applications. However, these `free' tags/labels are often noisy and few existing works address the problem of learning with both weak and noisy labels. In this work, we cast the WSSS problem into a label noise reduction problem. Specifically, after segmenting each image into a set of superpixels, the weak and potentially noisy image-level labels are propagated to the superpixel level resulting in highly noisy labels; the key to semantic segmentation is thus to identify and correct the superpixel noisy labels. To this end, a novel L 1 -optimisation based sparse learning model is formulated to directly and explicitly detect noisy labels. To solve the L 1 -optimisation problem, we further develop an efficient learning algorithm by introducing an intermediate labelling variable. Extensive experiments on three benchmark datasets show that our method yields state-of-the-art results given noise-free labels, whilst significantly outperforming the existing methods when the weak labels are also noisy.</p>\n\n<p>you can get the full article directly <a href=\"https://github.com/mobassir94/ML-DL-Research-paper-Collection/blob/master/Deep%20Learning%20Papers/semantic%20segmentation/learning%20from%20weak%20and%20noisy%20labels.pdf\">FROM HERE</a></p>",
  "messages": [
    {
      "id": "660036",
      "postDate": "10/28/2019 15:26:34",
      "content": "<p>i found <strong><a href=\"https://ieeexplore.ieee.org/document/7450177\">this research paper</a></strong> interesting for this competition</p>\n\n<h1>Abstract:</h1>\n\n<p>A weakly supervised semantic segmentation (WSSS) method aims to learn a segmentation model from weak (image-level) as opposed to strong (pixel-level) labels. By avoiding the tedious pixel-level annotation process, it can exploit the unlimited supply of user-tagged images from media-sharing sites such as Flickr for large scale applications. However, these `free' tags/labels are often noisy and few existing works address the problem of learning with both weak and noisy labels. In this work, we cast the WSSS problem into a label noise reduction problem. Specifically, after segmenting each image into a set of superpixels, the weak and potentially noisy image-level labels are propagated to the superpixel level resulting in highly noisy labels; the key to semantic segmentation is thus to identify and correct the superpixel noisy labels. To this end, a novel L 1 -optimisation based sparse learning model is formulated to directly and explicitly detect noisy labels. To solve the L 1 -optimisation problem, we further develop an efficient learning algorithm by introducing an intermediate labelling variable. Extensive experiments on three benchmark datasets show that our method yields state-of-the-art results given noise-free labels, whilst significantly outperforming the existing methods when the weak labels are also noisy.</p>\n\n<p>you can get the full article directly <a href=\"https://github.com/mobassir94/ML-DL-Research-paper-Collection/blob/master/Deep%20Learning%20Papers/semantic%20segmentation/learning%20from%20weak%20and%20noisy%20labels.pdf\">FROM HERE</a></p>",
      "rawMarkdown": "i found **[this research paper](https://ieeexplore.ieee.org/document/7450177)** interesting for this competition\n\n# Abstract:\nA weakly supervised semantic segmentation (WSSS) method aims to learn a segmentation model from weak (image-level) as opposed to strong (pixel-level) labels. By avoiding the tedious pixel-level annotation process, it can exploit the unlimited supply of user-tagged images from media-sharing sites such as Flickr for large scale applications. However, these `free' tags/labels are often noisy and few existing works address the problem of learning with both weak and noisy labels. In this work, we cast the WSSS problem into a label noise reduction problem. Specifically, after segmenting each image into a set of superpixels, the weak and potentially noisy image-level labels are propagated to the superpixel level resulting in highly noisy labels; the key to semantic segmentation is thus to identify and correct the superpixel noisy labels. To this end, a novel L 1 -optimisation based sparse learning model is formulated to directly and explicitly detect noisy labels. To solve the L 1 -optimisation problem, we further develop an efficient learning algorithm by introducing an intermediate labelling variable. Extensive experiments on three benchmark datasets show that our method yields state-of-the-art results given noise-free labels, whilst significantly outperforming the existing methods when the weak labels are also noisy.\n\n\nyou can get the full article directly [FROM HERE](https://github.com/mobassir94/ML-DL-Research-paper-Collection/blob/master/Deep%20Learning%20Papers/semantic%20segmentation/learning%20from%20weak%20and%20noisy%20labels.pdf)",
      "votes": null
    },
    {
      "id": "660293",
      "postDate": "10/29/2019 01:02:05",
      "content": "<p>Very good find , brother . I found this paper some days back, went through it , but could not understand how to implement it :)</p>",
      "rawMarkdown": "Very good find , brother . I found this paper some days back, went through it , but could not understand how to implement it :)",
      "votes": null
    },
    {
      "id": "660438",
      "postDate": "10/29/2019 05:49:31",
      "content": "<p>hi,i also tried the same but maximum time i get deeplabv3+ instead, so i guess deeplabv3+ is better alternative of this? i might will try deeplabv3+ <a href=\"/phoenix9032\">@phoenix9032</a> </p>",
      "rawMarkdown": "hi,i also tried the same but maximum time i get deeplabv3+ instead, so i guess deeplabv3+ is better alternative of this? i might will try deeplabv3+ @phoenix9032",
      "votes": null
    },
    {
      "id": "660603",
      "postDate": "10/29/2019 11:15:07",
      "content": "<p>Very Informative\nThanks <a href=\"/mobassir\">@mobassir</a> </p>",
      "rawMarkdown": "Very Informative\nThanks @mobassir",
      "votes": null
    },
    {
      "id": "660817",
      "postDate": "10/29/2019 16:37:11",
      "content": "<p>you  are welcome</p>",
      "rawMarkdown": "you  are welcome",
      "votes": null
    }
  ],
  "comments": [
    {
      "id": 660293,
      "author_name": "phoenix9032",
      "author_url": "",
      "post_date": "10/29/2019 01:02:05",
      "content": "<p>Very good find , brother . I found this paper some days back, went through it , but could not understand how to implement it :)</p>",
      "votes": null,
      "replies": [
        {
          "id": 660438,
          "author_name": "mobassir",
          "author_url": "",
          "post_date": "10/29/2019 05:49:31",
          "content": "<p>hi,i also tried the same but maximum time i get deeplabv3+ instead, so i guess deeplabv3+ is better alternative of this? i might will try deeplabv3+ <a href=\"/phoenix9032\">@phoenix9032</a> </p>",
          "votes": null,
          "replies": []
        }
      ]
    },
    {
      "id": 660603,
      "author_name": "veeralakrishna",
      "author_url": "",
      "post_date": "10/29/2019 11:15:07",
      "content": "<p>Very Informative\nThanks <a href=\"/mobassir\">@mobassir</a> </p>",
      "votes": null,
      "replies": [
        {
          "id": 660817,
          "author_name": "mobassir",
          "author_url": "",
          "post_date": "10/29/2019 16:37:11",
          "content": "<p>you  are welcome</p>",
          "votes": null,
          "replies": []
        }
      ]
    }
  ],
  "raw_markdown_by_id": {
    "660036": "i found **[this research paper](https://ieeexplore.ieee.org/document/7450177)** interesting for this competition\n\n# Abstract:\nA weakly supervised semantic segmentation (WSSS) method aims to learn a segmentation model from weak (image-level) as opposed to strong (pixel-level) labels. By avoiding the tedious pixel-level annotation process, it can exploit the unlimited supply of user-tagged images from media-sharing sites such as Flickr for large scale applications. However, these `free' tags/labels are often noisy and few existing works address the problem of learning with both weak and noisy labels. In this work, we cast the WSSS problem into a label noise reduction problem. Specifically, after segmenting each image into a set of superpixels, the weak and potentially noisy image-level labels are propagated to the superpixel level resulting in highly noisy labels; the key to semantic segmentation is thus to identify and correct the superpixel noisy labels. To this end, a novel L 1 -optimisation based sparse learning model is formulated to directly and explicitly detect noisy labels. To solve the L 1 -optimisation problem, we further develop an efficient learning algorithm by introducing an intermediate labelling variable. Extensive experiments on three benchmark datasets show that our method yields state-of-the-art results given noise-free labels, whilst significantly outperforming the existing methods when the weak labels are also noisy.\n\n\nyou can get the full article directly [FROM HERE](https://github.com/mobassir94/ML-DL-Research-paper-Collection/blob/master/Deep%20Learning%20Papers/semantic%20segmentation/learning%20from%20weak%20and%20noisy%20labels.pdf)",
    "660293": "Very good find , brother . I found this paper some days back, went through it , but could not understand how to implement it :)",
    "660438": "hi,i also tried the same but maximum time i get deeplabv3+ instead, so i guess deeplabv3+ is better alternative of this? i might will try deeplabv3+ @phoenix9032",
    "660603": "Very Informative\nThanks @mobassir",
    "660817": "you  are welcome"
  },
  "source": "meta"
}