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{
  "commit": "807f4573562472b1a58ce63a9d91b006cd1fb6cb",
  "tree": "7f093a2d7b2e39e851771be632c79e280d1aa651",
  "parents": [
    "b5d90aca9d00b81e3950d83969d8932d80ead159"
  ],
  "author": {
    "name": "CindyLiu",
    "email": "hcindyl@google.com",
    "time": "Wed May 12 23:41:41 2021 +0000"
  },
  "committer": {
    "name": "GitHub",
    "email": "noreply@github.com",
    "time": "Wed May 12 16:41:41 2021 -0700"
  },
  "message": "Add image_util library for image --\u003e buffer_view (#5655)\n\n* Add image_util library for image -\u003e buffer view\r\n\r\nimage_util library produces HAL buffer views based on image\r\nfiles. The library utilizes third_party/stblib/stb_image.h to produce\r\nthe uint8_t pixel data, and wraps/rescales the pixel data buffer to create\r\nthe HAL buffer view.\r\nOnly i8, u8, and f32 are supported.\r\n\r\nSome limitations:\r\n\r\n* The image dimension has to match the iree_hal_dim_t input argument.\r\nNo resize or channel selection internally (except dropping the alpha\r\nchannel).\r\n* For f32 element type, the array is rescaled to the specified input range with `iree_tools_utils_buffer_view_from_image_rescaled`\r\n* For i8 element type, the user is responsible for the u8 --\u003e i8\r\ndata preparation, as the function wraps the pixel data buffer directly with\r\n`iree_tools_utils_buffer_view_from_image`\r\n\r\nAn example of running the mnist model with an image file and the\r\nimage_util library is added to `iree/samples/vision`.",
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