{
  "_id": "6a2e6e7d3efcd9bda43130cf",
  "Package": "pixelclasser",
  "Type": "Package",
  "Title": "Classifies Image Pixels by Colour",
  "Version": "1.0.0",
  "Authors@R": "c(person(\"Carlos\", \"Real\", email = \"carlos.real@usc.es\",  role = c(\"aut\", \"cre\"), comment = c(ORCID = \"0000-0002-5433-6728\")),\nperson(\"Quentin\", \"Read\", role = \"rev\"))",
  "Description": "Contains functions to classify the pixels of an image file\n(jpeg or tiff) by its colour. It implements a simple form of\nthe techniques known as Support Vector Machine adapted to this\nparticular problem.",
  "Encoding": "UTF-8",
  "License": "GPL-3",
  "RoxygenNote": "7.1.1",
  "VignetteBuilder": "knitr",
  "URL": "https://github.com/ropensci/pixelclasser",
  "BugReports": "https://github.com/ropensci/pixelclasser",
  "Language": "en-GB",
  "Config/pak/sysreqs": "libjpeg-dev libtiff-dev",
  "Repository": "https://ropensci.r-universe.dev",
  "Date/Publication": "2021-02-22 21:16:31 UTC",
  "RemoteUrl": "https://github.com/ropensci/pixelclasser",
  "RemoteRef": "main",
  "RemoteSha": "e2539ca0ddec965e34003c591cd6d77b040aa260",
  "NeedsCompilation": "no",
  "Packaged": {
    "Date": "2026-06-14 09:00:46 UTC",
    "User": "root"
  },
  "Author": "Carlos Real [aut, cre] (ORCID: <https://orcid.org/0000-0002-5433-6728>),\nQuentin Read [rev]",
  "Maintainer": "Carlos Real <carlos.real@usc.es>",
  "MD5sum": "2e5c8068ca2c6e6d777c23c9cf3a2436",
  "_user": "ropensci",
  "_type": "src",
  "_file": "pixelclasser_1.0.0.tar.gz",
  "_fileid": "b6bbdae6e8c3c6e4ebcbbd270fabbd96dc8e700159ecca6218e41bfc2c9e35a4",
  "_filesize": 2976053,
  "_sha256": "b6bbdae6e8c3c6e4ebcbbd270fabbd96dc8e700159ecca6218e41bfc2c9e35a4",
  "_created": "2026-06-14T09:00:46.000Z",
  "_published": "2026-06-14T09:03:57.707Z",
  "_distro": "noble",
  "_jobs": [
    {
      "job": 81264520108,
      "time": 155,
      "config": "linux-devel-x86_64",
      "r": "4.7.0",
      "check": "OK",
      "artifact": "7619435578"
    },
    {
      "job": 81264520117,
      "time": 118,
      "config": "linux-release-x86_64",
      "r": "4.6.0",
      "check": "OK",
      "artifact": "7619431039"
    },
    {
      "job": 81264520100,
      "time": 82,
      "config": "macos-oldrel-arm64",
      "r": "4.5.3",
      "check": "OK",
      "artifact": "7619426076"
    },
    {
      "job": 81264520077,
      "time": 66,
      "config": "macos-release-arm64",
      "r": "4.6.0",
      "check": "OK",
      "artifact": "7619424280"
    },
    {
      "job": 81264317537,
      "time": 158,
      "config": "pkgdown",
      "r": "4.6.0",
      "check": "OK",
      "artifact": "7619413543"
    },
    {
      "job": 81264317536,
      "time": 174,
      "config": "source",
      "r": "4.6.0",
      "check": "OK",
      "artifact": "7619414961"
    },
    {
      "job": 81264520089,
      "time": 111,
      "config": "wasm-release",
      "r": "4.6.0",
      "check": "OK",
      "artifact": "7619430029"
    },
    {
      "job": 81264520113,
      "time": 86,
      "config": "windows-devel",
      "r": "4.7.0",
      "check": "OK",
      "artifact": "7619427309"
    },
    {
      "job": 81264520123,
      "time": 68,
      "config": "windows-oldrel",
      "r": "4.5.3",
      "check": "OK",
      "artifact": "7619424866"
    },
    {
      "job": 81264520121,
      "time": 95,
      "config": "windows-release",
      "r": "4.6.0",
      "check": "OK",
      "artifact": "7619427993"
    }
  ],
  "_buildurl": "https://github.com/r-universe/ropensci/actions/runs/27493921213",
  "_status": "success",
  "_host": "GitHub-Actions",
  "_upstream": "https://github.com/ropensci/pixelclasser",
  "_commit": {
    "id": "e2539ca0ddec965e34003c591cd6d77b040aa260",
    "author": "Carlos Real <carlos.real@usc.es>",
    "committer": "Carlos Real <carlos.real@usc.es>",
    "message": "Errata in badges\n",
    "time": 1614028591
  },
  "_maintainer": {
    "name": "Carlos Real",
    "email": "carlos.real@usc.es",
    "login": "carlosrealr",
    "description": "",
    "uuid": 72559881,
    "orcid": "0000-0002-5433-6728"
  },
  "_registered": true,
  "_dependencies": [
    {
      "package": "graphics",
      "role": "Imports"
    },
    {
      "package": "grDevices",
      "role": "Imports"
    },
    {
      "package": "jpeg",
      "role": "Imports"
    },
    {
      "package": "tiff",
      "role": "Imports"
    },
    {
      "package": "knitr",
      "role": "Suggests"
    },
    {
      "package": "rmarkdown",
      "role": "Suggests"
    },
    {
      "package": "testthat",
      "role": "Suggests"
    },
    {
      "package": "covr",
      "role": "Suggests"
    }
  ],
  "_owner": "ropensci",
  "_selfowned": true,
  "_usedby": 0,
  "_updates": [],
  "_tags": [],
  "_stars": 2,
  "_contributors": [
    {
      "user": "carlosrealr",
      "count": 32,
      "uuid": 72559881
    },
    {
      "user": "maelle",
      "count": 1,
      "uuid": 8360597
    }
  ],
  "_userbio": {
    "uuid": 1200269,
    "type": "organization",
    "name": "rOpenSci",
    "followers": 1098,
    "description": "Tools and R Packages for Open Science"
  },
  "_downloads": {
    "count": 217,
    "source": "https://cranlogs.r-pkg.org/downloads/total/last-month/pixelclasser"
  },
  "_devurl": "https://github.com/ropensci/pixelclasser",
  "_pkgdown": "https://docs.ropensci.org/pixelclasser",
  "_searchresults": 10,
  "_metadata": {
    "review": {
      "id": 406,
      "status": "reviewed",
      "version": "0.5.0",
      "organization": "rOpenSci Software Review",
      "url": "https://github.com/ropensci/software-review/issues/406"
    },
    "ropensci_category": "image-processing"
  },
  "_rbuild": "4.6.0",
  "_assets": [
    "extra/citation.cff",
    "extra/citation.html",
    "extra/citation.json",
    "extra/citation.txt",
    "extra/contents.json",
    "extra/pixelclasser.html",
    "extra/readme.html",
    "extra/readme.md",
    "manual.pdf"
  ],
  "_realowner": "ropensci",
  "_cranurl": false,
  "_releases": [
    {
      "version": "1.0.0",
      "date": "2021-10-21"
    },
    {
      "version": "1.1.0",
      "date": "2022-05-03"
    },
    {
      "version": "1.1.1",
      "date": "2023-10-18"
    }
  ],
  "_exports": [
    "classify_pixels",
    "define_cat",
    "define_rule",
    "define_subcat",
    "label_rule",
    "place_rule",
    "plot_pixels",
    "plot_rgb_plane",
    "plot_rule",
    "read_image",
    "save_classif_image"
  ],
  "_help": [
    {
      "page": "classify_pixels",
      "title": "Classifies the pixels of an image",
      "topics": [
        "classify_pixels"
      ]
    },
    {
      "page": "define_cat",
      "title": "Creates a category object",
      "topics": [
        "define_cat"
      ]
    },
    {
      "page": "define_rule",
      "title": "Creates a rule object",
      "topics": [
        "define_rule"
      ]
    },
    {
      "page": "define_subcat",
      "title": "Creates a subcategory object",
      "topics": [
        "define_subcat"
      ]
    },
    {
      "page": "label_rule",
      "title": "Adds a label to the rule",
      "topics": [
        "label_rule"
      ]
    },
    {
      "page": "pixelclasser",
      "title": "pixelclasser: Functions to classify pixels by colour",
      "topics": [
        "pixelclasser"
      ]
    },
    {
      "page": "place_rule",
      "title": "Places a line on the rgb plot",
      "topics": [
        "place_rule"
      ]
    },
    {
      "page": "plot_pixels",
      "title": "Plot the pixels of a transformed image",
      "topics": [
        "plot_pixels"
      ]
    },
    {
      "page": "plot_rgb_plane",
      "title": "Plots a triangular plot to be filled with pixels and rules",
      "topics": [
        "plot_rgb_plane"
      ]
    },
    {
      "page": "plot_rule",
      "title": "Plots the line that defines a rule",
      "topics": [
        "plot_rule"
      ]
    },
    {
      "page": "read_image",
      "title": "Imports a jpg or tiff file.",
      "topics": [
        "read_image"
      ]
    },
    {
      "page": "save_classif_image",
      "title": "Saves a classified image in TIFF or JPEG format",
      "topics": [
        "save_classif_image"
      ]
    }
  ],
  "_readme": "https://github.com/ropensci/pixelclasser/raw/main/README.md",
  "_rundeps": [
    "jpeg",
    "tiff"
  ],
  "_vignettes": [
    {
      "source": "pixelclasser.Rmd",
      "filename": "pixelclasser.html",
      "title": "A pixelclasser sample session",
      "engine": "knitr::rmarkdown",
      "headings": [
        "Introduction",
        "The procedure",
        "Using several rules per category",
        "Concave category shapes",
        "The session",
        "Loading the functions",
        "Image loading and transforming",
        "Pixel distributions in rgb space",
        "Adding the pixels of the test images",
        "Defining the rules",
        "Creating the classifier objects",
        "Classifying the pixels",
        "References"
      ],
      "created": "2020-10-28 17:12:47",
      "modified": "2021-01-22 09:30:35",
      "commits": 4
    }
  ],
  "_score": 3,
  "_indexed": true,
  "_nocasepkg": "pixelclasser",
  "_universes": [
    "ropensci",
    "carlosrealr"
  ],
  "_binaries": [
    {
      "r": "4.7.0",
      "os": "linux",
      "version": "1.0.0",
      "date": "2026-06-14T09:03:24.000Z",
      "distro": "noble",
      "commit": "e2539ca0ddec965e34003c591cd6d77b040aa260",
      "fileid": "dea1dd9e9c897aa0186c3233eb685ea8f29bf636ed27d073663732a99c391f94",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/ropensci/actions/runs/27493921213"
    },
    {
      "r": "4.6.0",
      "os": "linux",
      "version": "1.0.0",
      "date": "2026-06-14T09:02:47.000Z",
      "distro": "noble",
      "commit": "e2539ca0ddec965e34003c591cd6d77b040aa260",
      "fileid": "ab284e8e7095d07c11d74f7fe04fbab79ec94d42798cc31d39486406559aa73f",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/ropensci/actions/runs/27493921213"
    },
    {
      "r": "4.5.3",
      "os": "mac",
      "version": "1.0.0",
      "date": "2026-06-14T09:02:11.000Z",
      "commit": "e2539ca0ddec965e34003c591cd6d77b040aa260",
      "fileid": "c8065636cc6ea4a0da6ae57d68c9a80106e3b4ee4efe8d588368dc6df0dbd679",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/ropensci/actions/runs/27493921213"
    },
    {
      "r": "4.6.0",
      "os": "mac",
      "version": "1.0.0",
      "date": "2026-06-14T09:02:00.000Z",
      "commit": "e2539ca0ddec965e34003c591cd6d77b040aa260",
      "fileid": "3c82c40e45cd198deff0d40d394e1da0b25eb9b74cf5d55f7ba16ade4a22a12a",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/ropensci/actions/runs/27493921213"
    },
    {
      "r": "4.6.0",
      "os": "wasm",
      "version": "1.0.0",
      "date": "2026-06-14T09:02:49.000Z",
      "commit": "e2539ca0ddec965e34003c591cd6d77b040aa260",
      "fileid": "20c17ad4588536eac0cd028b477f8a0f01fc7b88a9faffa19dd647f4f61d89ac",
      "status": "success",
      "buildurl": "https://github.com/r-universe/ropensci/actions/runs/27493921213"
    },
    {
      "r": "4.7.0",
      "os": "win",
      "version": "1.0.0",
      "date": "2026-06-14T09:02:12.000Z",
      "commit": "e2539ca0ddec965e34003c591cd6d77b040aa260",
      "fileid": "547980798571ddfbbd1a704fc1820030252ce80d2670a81e30c92f33b85d340b",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/ropensci/actions/runs/27493921213"
    },
    {
      "r": "4.5.3",
      "os": "win",
      "version": "1.0.0",
      "date": "2026-06-14T09:01:53.000Z",
      "commit": "e2539ca0ddec965e34003c591cd6d77b040aa260",
      "fileid": "f1d32083f2f7c580f92047c08a28fd0969dcc7f69fe88e6b6dc992d7d785acf9",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/ropensci/actions/runs/27493921213"
    },
    {
      "r": "4.6.0",
      "os": "win",
      "version": "1.0.0",
      "date": "2026-06-14T09:02:20.000Z",
      "commit": "e2539ca0ddec965e34003c591cd6d77b040aa260",
      "fileid": "c55bfe3ff4ed617ce5feea2c827b1966d31fec053ff785ffc5ec5e4f25c8096b",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/ropensci/actions/runs/27493921213"
    }
  ]
}