{
  "type": "tweet",
  "id": "2035612099821318451",
  "url": "https://x.com/TheAITimeline/status/2035612099821318451",
  "twitterUrl": "https://twitter.com/TheAITimeline/status/2035612099821318451",
  "text": "V-JEPA 2.1: Unlocking Dense Features in Video Self-Supervised Learning\n\nAuthor's Explanation:\nhttps://t.co/Rg7VypVYEy\n\nOverview:\nV-JEPA 2.1 integrates a dense predictive loss, hierarchical self-supervision, and multi-modal tokenizers to learn structured spatial and temporal representations for images and videos.\n\nThis architecture improves performance on action anticipation and robotic grasping, yielding a 20-point success rate increase over previous iterations.\n\nThe approach scales model capacity and data to achieve state-of-the-art results on Ego4D, EPIC-KITCHENS, and TartanDrive benchmarks.\n\nPaper:\nhttps://t.co/NyBRij543e",
  "source": "Twitter for iPhone",
  "retweetCount": 2,
  "replyCount": 3,
  "likeCount": 10,
  "quoteCount": 0,
  "viewCount": 2988,
  "createdAt": "Sun Mar 22 06:58:39 +0000 2026",
  "lang": "en",
  "bookmarkCount": 7,
  "isReply": true,
  "inReplyToId": "2035612096424038825",
  "conversationId": "2035612094251368888",
  "displayTextRange": [
    0,
    274
  ],
  "inReplyToUserId": null,
  "inReplyToUsername": null,
  "author": {
    "type": "user",
    "userName": "TheAITimeline",
    "url": "https://x.com/TheAITimeline",
    "twitterUrl": "https://twitter.com/TheAITimeline",
    "id": "1698572439410589696",
    "name": "The AI Timeline",
    "isVerified": false,
    "isBlueVerified": true,
    "verifiedType": null,
    "profilePicture": "https://pbs.twimg.com/profile_images/1698572487909400576/BvncwnrP_normal.jpg",
    "coverPicture": "https://pbs.twimg.com/profile_banners/1698572439410589696/1716149035",
    "description": "",
    "location": "get updates in your mailbox →",
    "followers": 25525,
    "following": 1,
    "status": "",
    "canDm": false,
    "canMediaTag": true,
    "createdAt": "Mon Sep 04 05:43:28 +0000 2023",
    "entities": {
      "description": {
        "urls": []
      },
      "url": {}
    },
    "fastFollowersCount": 0,
    "favouritesCount": 116,
    "hasCustomTimelines": true,
    "isTranslator": false,
    "mediaCount": 1647,
    "statusesCount": 1882,
    "withheldInCountries": [],
    "affiliatesHighlightedLabel": {},
    "possiblySensitive": false,
    "pinnedTweetIds": [
      "2035612094251368888"
    ],
    "profile_bio": {
      "description": "covering the latest trending AI & LLM research, see \"highlights\" for all weekly threads, ran by @bycloudai",
      "entities": {
        "description": {
          "hashtags": [],
          "symbols": [],
          "urls": [],
          "user_mentions": [
            {
              "id_str": "0",
              "indices": [
                96,
                106
              ],
              "name": "",
              "screen_name": "bycloudai"
            }
          ]
        },
        "url": {
          "urls": [
            {
              "display_url": "mail.bycloud.ai",
              "expanded_url": "https://mail.bycloud.ai/",
              "indices": [
                0,
                23
              ],
              "url": "https://t.co/9NRhMYvYVH"
            }
          ]
        }
      }
    },
    "isAutomated": false,
    "automatedBy": null
  },
  "extendedEntities": {
    "media": [
      {
        "allow_download_status": {
          "allow_download": true
        },
        "display_url": "pic.twitter.com/FTrNKTCNf6",
        "expanded_url": "https://twitter.com/TheAITimeline/status/2035612099821318451/photo/1",
        "ext_media_availability": {
          "status": "Available"
        },
        "features": {
          "large": {
            "faces": []
          },
          "orig": {
            "faces": []
          }
        },
        "id_str": "2035610919091286016",
        "indices": [
          275,
          298
        ],
        "media_key": "3_2035610919091286016",
        "media_results": {
          "id": "QXBpTWVkaWFSZXN1bHRzOgwAAQoAARw/8ViFV7AACgACHD/ya25WMTMAAA==",
          "result": {
            "__typename": "ApiMedia",
            "id": "QXBpTWVkaWE6DAABCgABHD/xWIVXsAAKAAIcP/JrblYxMwAA",
            "media_key": "3_2035610919091286016"
          }
        },
        "media_url_https": "https://pbs.twimg.com/media/HD_xWIVXsAAbQgI.jpg",
        "original_info": {
          "focus_rects": [
            {
              "h": 781,
              "w": 1395,
              "x": 0,
              "y": 0
            },
            {
              "h": 781,
              "w": 781,
              "x": 0,
              "y": 0
            },
            {
              "h": 781,
              "w": 685,
              "x": 0,
              "y": 0
            },
            {
              "h": 781,
              "w": 391,
              "x": 0,
              "y": 0
            },
            {
              "h": 781,
              "w": 1529,
              "x": 0,
              "y": 0
            }
          ],
          "height": 781,
          "width": 1529
        },
        "sizes": {
          "large": {
            "h": 781,
            "w": 1529
          }
        },
        "type": "photo",
        "url": "https://t.co/FTrNKTCNf6"
      }
    ]
  },
  "card": null,
  "place": {},
  "entities": {
    "hashtags": [],
    "symbols": [],
    "urls": [
      {
        "display_url": "x.com/murloren/statu…",
        "expanded_url": "https://x.com/murloren/status/2034920039065714742?s=20",
        "indices": [
          94,
          117
        ],
        "url": "https://t.co/Rg7VypVYEy"
      },
      {
        "display_url": "arxiv.org/abs/2603.14482",
        "expanded_url": "https://arxiv.org/abs/2603.14482",
        "indices": [
          609,
          632
        ],
        "url": "https://t.co/NyBRij543e"
      }
    ],
    "user_mentions": []
  },
  "quoted_tweet": {
    "type": "tweet",
    "id": "2034920039065714742",
    "url": "https://x.com/murloren/status/2034920039065714742",
    "twitterUrl": "https://twitter.com/murloren/status/2034920039065714742",
    "text": "I am very happy to share the result of my internship at FAIR (Meta): V-JEPA 2.1: Unlocking Dense Features in Video Self-Supervised Learning with @ylecun @AdrienBardes \n\nOur approach learns dense, spatially coherent features from video while preserving strong global understanding https://t.co/NVh5CZAGfZ",
    "source": "Twitter for iPhone",
    "retweetCount": 44,
    "replyCount": 15,
    "likeCount": 310,
    "quoteCount": 6,
    "viewCount": 43919,
    "createdAt": "Fri Mar 20 09:08:38 +0000 2026",
    "lang": "en",
    "bookmarkCount": 124,
    "isReply": false,
    "inReplyToId": null,
    "conversationId": "2034920039065714742",
    "displayTextRange": [
      0,
      279
    ],
    "inReplyToUserId": null,
    "inReplyToUsername": null,
    "author": {
      "type": "user",
      "userName": "murloren",
      "url": "https://x.com/murloren",
      "twitterUrl": "https://twitter.com/murloren",
      "id": "1318441639",
      "name": "Loren",
      "isVerified": false,
      "isBlueVerified": false,
      "verifiedType": null,
      "profilePicture": "https://pbs.twimg.com/profile_images/1251974485873430533/0dJGbO0r_normal.jpg",
      "coverPicture": "https://pbs.twimg.com/profile_banners/1318441639/1696165079",
      "description": "",
      "location": "",
      "followers": 405,
      "following": 288,
      "status": "",
      "canDm": false,
      "canMediaTag": false,
      "createdAt": "Sun Mar 31 13:54:24 +0000 2013",
      "entities": {
        "description": {
          "urls": []
        },
        "url": {}
      },
      "fastFollowersCount": 0,
      "favouritesCount": 1498,
      "hasCustomTimelines": true,
      "isTranslator": false,
      "mediaCount": 185,
      "statusesCount": 2989,
      "withheldInCountries": [],
      "affiliatesHighlightedLabel": {},
      "possiblySensitive": false,
      "pinnedTweetIds": [
        "1936076762506838194"
      ],
      "profile_bio": {
        "description": "PhD Student  in Deep Learning for Egocentric Vision - University of Zaragoza",
        "entities": {
          "description": {
            "hashtags": [],
            "symbols": [],
            "urls": [],
            "user_mentions": []
          },
          "url": {
            "urls": [
              {
                "display_url": "sites.google.com/unizar.es/lore…",
                "expanded_url": "https://sites.google.com/unizar.es/lorenzo-mur-labadia/inicio",
                "indices": [
                  0,
                  23
                ],
                "url": "https://t.co/wM8Bp4jb3u"
              }
            ]
          }
        }
      },
      "isAutomated": false,
      "automatedBy": null
    },
    "extendedEntities": {
      "media": [
        {
          "allow_download_status": {
            "allow_download": true
          },
          "display_url": "pic.twitter.com/NVh5CZAGfZ",
          "expanded_url": "https://twitter.com/murloren/status/2034920039065714742/photo/1",
          "ext_media_availability": {
            "status": "Available"
          },
          "features": {
            "large": {
              "faces": []
            },
            "orig": {
              "faces": []
            }
          },
          "id_str": "2034919990139265024",
          "indices": [
            280,
            303
          ],
          "media_key": "3_2034919990139265024",
          "media_results": {
            "id": "QXBpTWVkaWFSZXN1bHRzOgwAAQoAARw9fPMWl6AACgACHD18/nrWADYAAA==",
            "result": {
              "__typename": "ApiMedia",
              "id": "QXBpTWVkaWE6DAABCgABHD188xaXoAAKAAIcPXz+etYANgAA",
              "media_key": "3_2034919990139265024"
            }
          },
          "media_url_https": "https://pbs.twimg.com/media/HD188xaXoAA2rxB.jpg",
          "original_info": {
            "focus_rects": [
              {
                "h": 567,
                "w": 1012,
                "x": 0,
                "y": 0
              },
              {
                "h": 1012,
                "w": 1012,
                "x": 0,
                "y": 0
              },
              {
                "h": 1154,
                "w": 1012,
                "x": 0,
                "y": 0
              },
              {
                "h": 1334,
                "w": 667,
                "x": 345,
                "y": 0
              },
              {
                "h": 1334,
                "w": 1012,
                "x": 0,
                "y": 0
              }
            ],
            "height": 1334,
            "width": 1012
          },
          "sizes": {
            "large": {
              "h": 1334,
              "w": 1012
            }
          },
          "type": "photo",
          "url": "https://t.co/NVh5CZAGfZ"
        }
      ]
    },
    "card": null,
    "place": {},
    "entities": {
      "hashtags": [],
      "symbols": [],
      "timestamps": [],
      "urls": [],
      "user_mentions": [
        {
          "id_str": "48008938",
          "indices": [
            145,
            152
          ],
          "name": "Yann LeCun",
          "screen_name": "ylecun"
        },
        {
          "id_str": "787639668",
          "indices": [
            153,
            166
          ],
          "name": "Adrien Bardes",
          "screen_name": "AdrienBardes"
        }
      ]
    },
    "quoted_tweet": null,
    "retweeted_tweet": null,
    "isLimitedReply": false,
    "article": null
  },
  "retweeted_tweet": null,
  "isLimitedReply": false,
  "article": null
}