update checksums

Author: WilliamHYZhang

tensorflow_datasets/url_checksums/div2k.txt

@@ -1,4 +1,22 @@
 https://data.vision.ee.ethz.ch/cvl/DIV2K/DIV2K_train_HR.zip 3530603713 9d0b9c463f6e35b6c62cc6a930ee2224f670b34c1df841a57670f9acf0f6c335
 https://data.vision.ee.ethz.ch/cvl/DIV2K/DIV2K_train_LR_bicubic_X2.zip 925390592 a53a424317575838dadce4bcd97cf7b744d6855f43740ed5f0245af3cf4bd850
+https://data.vision.ee.ethz.ch/cvl/DIV2K/DIV2K_train_LR_bicubic_X3.zip 427847282 ad5c8e5507e2765823d3c2c5bd0934842efcd487c5370604c224090898b3163a
+https://data.vision.ee.ethz.ch/cvl/DIV2K/DIV2K_train_LR_bicubic_X4.zip 246914039 f006b837f4eb52b82909aa01478e6d6d199eefce932179491d0c9dbb706dde3a
+https://data.vision.ee.ethz.ch/cvl/DIV2K/DIV2K_train_LR_difficult.zip 263211252 50624a649a0857fdb8e4a948e79c44c37dedbacb5729f9349cc983c47bfdf799
+https://data.vision.ee.ethz.ch/cvl/DIV2K/DIV2K_train_LR_mild.zip 275693358 ce5fbe6252d1000c55656b0666dccdeaf8e66b86ae5ff528c49343012e8e1391
+https://data.vision.ee.ethz.ch/cvl/DIV2K/DIV2K_train_LR_unknown_X2.zip 734182735 f166eeba119fc55bfc9a99c05561980e7a965382f36640ce8ef626c9f61d122c
+https://data.vision.ee.ethz.ch/cvl/DIV2K/DIV2K_train_LR_unknown_X3.zip 377245548 b6455af3b2aa02d76ae3238c49d7aae3b48b0acdc44b5bdc0f4c02d40ebcb43b
+https://data.vision.ee.ethz.ch/cvl/DIV2K/DIV2K_train_LR_unknown_X4.zip 208956781 d131c7aad51e0abbdc4433362ce899e5e75f40b9847ead70ee995188e8fd0adb
+https://data.vision.ee.ethz.ch/cvl/DIV2K/DIV2K_train_LR_wild.zip 1079873385 ce68f7db812d12241212bb9d6b07406472bef3d785c463238888b44189c5ceb3
+https://data.vision.ee.ethz.ch/cvl/DIV2K/DIV2K_train_LR_x8.zip 65753171 706fa23164fa0756a3accb78e69b937ea47f882b47e13506895deefd623a35c2
 https://data.vision.ee.ethz.ch/cvl/DIV2K/DIV2K_valid_HR.zip 448993893 20dd31fd84d777bc1cf5d6b7654a3f569c0aec74458ae094122ad1d0489900fc
 https://data.vision.ee.ethz.ch/cvl/DIV2K/DIV2K_valid_LR_bicubic_X2.zip 117763600 60eed9875c697df51204aa579e2a699e1d5215095788a097ff54dd17e2664d57
+https://data.vision.ee.ethz.ch/cvl/DIV2K/DIV2K_valid_LR_bicubic_X3.zip 54513392 04b9a2ed3b4a0715d3924d3ae8514830c3328fac8d30512ce716d6f419e052a3
+https://data.vision.ee.ethz.ch/cvl/DIV2K/DIV2K_valid_LR_bicubic_X4.zip 31505881 a50a5d1c4b88de4e8d300d8fb2b904c52fe93b2b298a4899697760d7cbb6d553
+https://data.vision.ee.ethz.ch/cvl/DIV2K/DIV2K_valid_LR_difficult.zip 33596835 08b4e740496b50846497463121329c707dd8ed26eb8a655d175e9a595286d5e8
+https://data.vision.ee.ethz.ch/cvl/DIV2K/DIV2K_valid_LR_mild.zip 35300939 eedfbcb6acc6662a3f52924aaa5a423693244f3276d37c3fca7944c7325859ff
+https://data.vision.ee.ethz.ch/cvl/DIV2K/DIV2K_valid_LR_unknown_X2.zip 93433041 ec50bb084c0011130874efd2ed7859b46e0aa7104c565818d5271ac315e04e0a
+https://data.vision.ee.ethz.ch/cvl/DIV2K/DIV2K_valid_LR_unknown_X3.zip 48143315 ebf23a3e1ef6800cae97285d3a50d022d89b62655e685884c0abcc89eec5b809
+https://data.vision.ee.ethz.ch/cvl/DIV2K/DIV2K_valid_LR_unknown_X4.zip 26695095 e3897555a98de1157c20974fb6093105fbc1ff5e9caf7bd348f58f6da140fbef
+https://data.vision.ee.ethz.ch/cvl/DIV2K/DIV2K_valid_LR_wild.zip 34655417 ce921d2048eef3e1fd9ba359d1876b1c93e33bd7a531306f7782672391df9820
+https://data.vision.ee.ethz.ch/cvl/DIV2K/DIV2K_valid_LR_x8.zip 8428103 3432f23da7c6887acc5e2cde9669427a7710b3b256c58912dddc19e3eda5bc69