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index_v3.html
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index_v3.html
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<!doctype html>
<html>
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<script src="https://apps.bdimg.com/libs/jquery/2.1.4/jquery.min.js"></script>
<script src="https://cdn.bootcss.com/FileSaver.js/2014-11-29/FileSaver.js"></script>
<script src="https://cdn.tailwindcss.com"></script>
<link href="https://unpkg.com/tailwindcss@^2/dist/tailwind.min.css" rel="stylesheet">
<style>
input:checked + label {
border-color: black;
box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
font-weight: bold;
}
.reminder {
background-color: #ffcc00; /* Background color */
padding: 20px; /* Padding for aesthetics */
border: 2px solid #000; /* Border for visibility */
z-index: 1000; /* Ensure it's on top of other elements */
text-align: center; /* Center the text */
box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2); /* Shadow for a "pop" effect */
font-size: 20px; /* Larger font size for visibility */
}
.top-button {
z-index: 1000;
}
/* .negative_tags_dict {
display: inline-flex;
align-items: center;
} */
.negative_tags_dict div {
display: inline-flex;
flex-wrap: wrap;
margin-top: 0.5rem;
/* justify-content: center; */
}
.negative_tags_dict input[type="checkbox"] {
display: none;
}
.negative_tags_dict input[type="checkbox"]:checked + span {
box-shadow: 0 0 0 0.0625em #0043ed;
background-color: #dee7ff;
z-index: 1;
color: #0043ed;
}
.negative_tags:focus {
outline: 0;
border-color: #2260ff;
box-shadow: 0 0 0 4px #b5c9fc;
}
.negative_tags label span {
display: block;
cursor: pointer;
background-color: #fff;
padding: 0.375em .75em;
position: relative;
margin-left: .0625em;
box-shadow: 0 0 0 0.0625em #b5bfd9;
letter-spacing: .05em;
color: #3e4963;
text-align: center;
transition: background-color .5s ease;
}
.negative_tags label:first-child span {
border-radius: .375em 0 0 .375em;
}
.negative_tags label:last-child span {
border-radius: 0 .375em .375em 0;
}
.tooltip {
position: relative;
display: inline-block;
}
.tooltip .tooltiptext {
visibility: hidden;
width: 300px;
background-color: black;
color: #fff;
text-align: center;
border-radius: 6px;
padding: 5px 0;
/* Position the tooltip */
position: absolute;
z-index: 1;
bottom: 100%;
left: 50%;
margin-left: -60px;
}
.tooltip:hover .tooltiptext {
visibility: visible;
}
.btn {
display: inline-block;
background: transparent;
color: inherit;
font: inherit;
border: 0;
outline: 0;
padding: 0;
transition: all 200ms ease-in;
cursor: pointer;
}
.btn--primary {
background: #7f8ff4;
color: #fff;
box-shadow: 0 0 10px 2px rgba(0, 0, 0, .1);
border-radius: 2px;
padding: 1% 2%;
/* padding: 8% 24%; */
}
.btn--primary:hover {
background: #6e7bdb; /* darkened color */
}
.btn--primary:active {
background: #7f8ff4;
box-shadow: inset 0 0 10px 2px rgba(0, 0, 0, .2);
}
.btn--inside {
margin-left: -48px;
}
.form__field {
/* width: 360px; */
width: 90%;
background: #fff;
color: #a3a3a3;
font: inherit;
box-shadow: 0 6px 10px 0 rgba(0, 0, 0, .1);
border: 0;
outline: 0;
padding: 11px 18px;
margin-top: 20px;
}
</style>
</head>
<body>
<div class="bg-white py-12">
<div class="mx-auto max-w-7xl px-2">
<div class="mx-auto max-w-2xl sm:text-center">
<h2 class="text-3xl font-bold tracking-tight text-gray-900 sm:text-4xl">Text Label</h2>
</div>
<div style="width: 80%;" class="mx-auto max-w-2xl sm:text-center m-5" id="uploadFileContainer">
<label class="flex justify-center w-full h-32 px-4 transition bg-white border-2 border-gray-300 border-dashed rounded-md appearance-none cursor-pointer hover:border-gray-400 focus:outline-none" id="drop">
<span class="flex items-center space-x-2">
<svg xmlns="http://www.w3.org/2000/svg" class="w-6 h-6 text-gray-600" fill="none" viewBox="0 0 24 24" stroke="currentColor" stroke-width="2">
<path stroke-linecap="round" stroke-linejoin="round" d="M7 16a4 4 0 01-.88-7.903A5 5 0 1115.9 6L16 6a5 5 0 011 9.9M15 13l-3-3m0 0l-3 3m3-3v12"></path>
</svg>
<span class="font-medium text-gray-600"><span class="text-blue-600 underline ml-[4px]">browse</span></span>
<span></span>
<span class="font-medium text-gray-600">Upload the Data Json File!</span>
</span>
<input type="file" name="file_upload" class="hidden" id="file-input">
</label>
</div>
<div class=" flex justify-between mx-auto max-w-3xl sm:mt-6 lg:mx-0 lg:flex lg:max-w-none">
<div id="imgContainer" class="relative rounded-sm ring-1 ring-gray-200 sm:text-center max-width:100% overflow:hidden" style="width: 60%; height: 550px;">
<img id="img" style="display: block; height: 100%; width: 100%;" src="">
<div id="bbox" class="absolute border-2 border-red-400"></div>
<div id="imgName" class="mt-1 py-2 text-center text-gray-500 sm:mt-0 sm:text-center"></div>
</div>
<div class=" p-7" style="width: 40%;">
<div class="flex flex-row">
<div class="flex flex-col justify-between sm:text-center ">
<div id="maskID" class="font-semibold text-gray-900">Mask</div>
<div id="maskIndex" class="mt-1 py-2 text-center text-gray-500 sm:mt-0 sm:text-center">0 / 0</div>
</div>
<div class="flex flex-col justify-between sm:text-center ml-10">
<div id="imageID" class="font-semibold text-gray-900">Image</div>
<div id="imageIndex" class="mt-1 py-2 text-center text-gray-500 sm:mt-0 sm:text-center">0 / 0</div>
</div>
<div class="flex flex-col justify-between sm:text-center ml-10">
<div class="font-semibold text-gray-900" id="category_count_label">Category: </div>
<div id="category_count_index" class="mt-1 py-2 text-center text-gray-500 sm:mt-0 sm:text-center">0 / 0</div>
</div>
</div>
<div class="flex flex-col">
<div class="flex flex-row justify-between sm:text-center">
<button onclick="handlePreviousMask()" type="button" class="top-button text-center text-sm border-2 border-black rounded-md shadow-yellow py-2 px-2 hover:bg-gray-700 hover:text-white focus:outline-none bg-yellow">PrevMask</button>
<button onclick="handleToggleBbox()" type="button" class="top-button text-center text-sm border-2 border-black rounded-md shadow-yellow py-2 px-2 hover:bg-gray-700 hover:text-white focus:outline-none bg-yellow">Toggle</button>
<button onclick="handleSpread()" type="button" class="top-button text-center text-sm border-2 border-black rounded-md shadow-yellow py-2 px-2 hover:bg-gray-700 hover:text-white focus:outline-none bg-yellow">Spread</button>
<button onclick="handleNextMask()" type="button" class="top-button bg-bg text-center text-sm border-2 border-black rounded-md shadow-yellow py-2 px-2 hover:bg-gray-700 hover:text-white focus:outline-none bg-yellow">NextMask</button>
</div>
</div>
<div class="flex flex-col">
<div class="flex flex-row justify-between sm:text-center">
<div>
<input type="text" id="image_id_input" class="form__field" placeholder="Image ID">
<button onclick="handleImageIdJump()" class="btn btn--primary btn--inside uppercase">Jump</button>
</div>
<div>
<input type="text" id="annotation_id_input" class="form__field" placeholder="Annotation ID">
<button onclick="handleAnnotationIdJump()" class="btn btn--primary btn--inside uppercase">Jump</button>
</div>
</div>
</div>
<div class="flex flex-col">
<dt class="mt-4 font-semibold text-gray-900">Category</dt>
<div class="col-span-full">
<div class="mt-2">
<textarea id="category" rows="2" class="px-2 block w-full rounded-md border-0 py-1.5 text-gray-900 shadow-sm ring-1 ring-inset ring-gray-300 placeholder:text-gray-400 sm:text-sm sm:leading-6" style="resize:none; overflow:scroll"></textarea>
</div>
</div>
</div>
<div class="flex flex-col">
<dt id="caption_label" class="mt-4 font-semibold text-gray-900">Caption</dt>
<!-- <dd class="mt-2 leading-7 text-gray-400">Non laboris consequat cupidatat laborum magna. Eiusmod non irure cupidatat duis commodo amet.</dd> -->
<div class="col-span-full">
<div class="mt-2">
<textarea id="caption" rows="5" class="px-2 block w-full rounded-md border-0 py-1.5 text-gray-900 shadow-sm ring-1 ring-inset ring-gray-300 placeholder:text-gray-400 sm:text-sm sm:leading-6" style="resize:none; overflow:scroll"></textarea>
</div>
</div>
</div>
<div class="flex items-center justify-center m-5">
<form class="grid grid-cols-3 gap-2 w-full max-w-screen-sm">
<div>
<input class="hidden" id="radio_refined" type="radio" name="annotation_label" value="refined">
<label class="flex flex-col p-4 border-2 border-gray-200 rounded-md cursor-pointer" for="radio_refined">
<span class="text-xs font-semibold uppercase">Refined Positive</span>
</label>
</div>
<div>
<input class="hidden" id="radio_pos" type="radio" name="annotation_label" value="pos">
<label class="flex flex-col p-4 border-2 border-gray-200 rounded-md cursor-pointer" for="radio_pos">
<span class="text-xs font-semibold uppercase">Generated Positive</span>
</label>
</div>
<div>
<input class="hidden" id="radio_neg" type="radio" name="annotation_label" value="neg">
<label class="flex flex-col p-4 border-2 border-gray-200 rounded-md cursor-pointer" for="radio_neg">
<span class="text-xs font-semibold uppercase">Generated Negative</span>
</label>
</div>
</form>
</div>
<div class="negative_tags_dict">
<label><strong>Object: </strong></label>
<div class="negative_tags">
<label class="tooltip">
<!-- Note that the id has to be the same as the constant value in javascript with "_checkbox" postfix -->
<input class="negative_tag_input" type="checkbox" name="radio" id="Classification_checkbox">
<span>Classification</span>
<span class="tooltiptext">Classify the target wrongly. E.g. Cat is identified as a dog</span>
</label>
<label class="tooltip">
<!-- Note that the id has to be the same as the constant value in javascript with "_checkbox" postfix -->
<input class="negative_tag_input" type="checkbox" name="radio" id="Background_checkbox">
<span>Background</span>
<span class="tooltiptext">Background is identified wrongly. E.g. Ocean is identified as sky</span>
</label>
<label class="tooltip">
<input class="negative_tag_input" type="checkbox" name="radio" id="Unexisting_checkbox">
<span>Unexisting</span>
<span class="tooltiptext">E.g. ... with a big black tail ... (but there is no tail in the image)</span>
</label>
</div>
</div>
<div class="negative_tags_dict">
<label><strong>Relation: </strong></label>
<div class="negative_tags">
<label class="tooltip">
<input class="negative_tag_input" type="checkbox" name="radio" id="Spatial_checkbox">
<span>Spatial</span>
<span class="tooltiptext">The spatial relation is wrong. E.g. The fish is swimming to the right (but it is to the left)</span>
</label>
<label class="tooltip">
<input class="negative_tag_input" type="checkbox" name="radio" id="Action_checkbox">
<span>Action</span>
<span class="tooltiptext">The action is wrong. E.g. The fish is eating (but the fish is swimming)</span>
</label>
</div>
</div>
<div class="negative_tags_dict">
<label><strong>Attribute: </strong></label>
<div class="negative_tags">
<label class="tooltip">
<input class="negative_tag_input" type="checkbox" name="radio" id="Size_checkbox">
<span>Size</span>
<span class="tooltiptext">The size is wrong. E.g. The fish is big (but the fish is small)</span>
</label>
<label class="tooltip">
<input class="negative_tag_input" type="checkbox" name="radio" id="Color_checkbox">
<span>Color</span>
<span class="tooltiptext">The color is wrong. E.g. The fish is red (but the fish is blue)</span>
</label>
<label class="tooltip">
<input class="negative_tag_input" type="checkbox" name="radio" id="Shape_checkbox">
<span>Shape</span>
<span class="tooltiptext">The shape is wrong. E.g. The fish is short (but the fish is long)</span>
</label>
<label class="tooltip">
<input class="negative_tag_input" type="checkbox" name="radio" id="Texture_checkbox">
<span>Texture</span>
<span class="tooltiptext">The texture is wrong. E.g. The fish is smooth (but the fish is rough)</span>
</label>
<label class="tooltip">
<input class="negative_tag_input" type="checkbox" name="radio" id="Material_checkbox">
<span>Material</span>
<span class="tooltiptext">The material is wrong. E.g. The fish model is made of wood (but it is made of plastic)</span>
</label>
<label class="tooltip">
<input class="negative_tag_input" type="checkbox" name="radio" id="Counting_checkbox">
<span>Counting</span>
<span class="tooltiptext">The counting is wrong. E.g. There are 3 fish (but there are 4 fish)</span>
</label>
</div>
</div>
</div>
</div>
</div>
<div class="flex items-center justify-between mt-5 border-t border-gray-200 bg-white px-4 py-5 sm:px-6">
<button onclick="handlePrevious()" type="button" class="top-button bg-bg font-bold text-center text-sm border-2 border-black rounded-md shadow-yellow py-2 px-2 hover:bg-gray-700 hover:text-white focus:outline-none bg-yellow">Previous</button>
<button onclick="saveJsonFile()" type="button" class="top-button bg-bg font-bold text-center text-sm border-2 border-black rounded-md shadow-yellow py-2 px-2 hover:bg-gray-700 hover:text-white focus:outline-none bg-yellow">SaveAndExport</button>
<button onclick="handleDelete()" type="button" class="top-button bg-bg font-bold text-center text-sm border-2 border-black rounded-md shadow-yellow py-2 px-2 hover:bg-gray-700 hover:text-white focus:outline-none bg-yellow">Delete</button>
<button onclick="handleContinue()" type="button" class="top-button bg-bg font-bold text-center text-sm border-2 border-black rounded-md shadow-yellow py-2 px-2 hover:bg-gray-700 hover:text-white focus:outline-none bg-yellow">Continue</button>
<!-- <button onclick="handleTest()" type="button" class="bg-bg font-bold text-center text-sm border-2 border-black rounded-md shadow-yellow py-2 px-2 hover:bg-gray-700 hover:text-white focus:outline-none bg-yellow">Test</button> -->
<button onclick="handleNext()" type="button" class="top-button bg-bg font-bold text-center text-sm border-2 border-black rounded-md shadow-yellow py-2 px-2 hover:bg-gray-700 hover:text-white focus:outline-none bg-yellow">Next</button>
</div>
<div class="reminder">
<p>Remember to save the result before leaving!</p>
</div>
<div>
<dialog id="notificationDialog" class="mx-auto max-w-2xl sm:text-center m-2 p-5 border-2 border-black rounded-md" style="top:50%" close>
<p id="notificationMessage" class="m-2 p-5 text-sm font-semibold text-gray-900"></p>
<div class="divide-y divide-dashed"></div>
<button onclick="closeDialog()" class="bg-bg font-bold text-center border-2 border-black rounded-md shadow-yellow py-2 px-2 hover:bg-gray-700 hover:text-white focus:outline-none bg-yellow">Confirm</button>
</dialog>
</div>
</div>
<script>
"strict mode";
/**
* Caption is correct
*/
const POSITIVE = 0;
/**
* Caption is incorrect
*/
const NEGATIVE = 1;
/**
* Caption is refined
*/
const REFINED = 2;
/**
* Caption is not labelled
*/
const NOT_LABELLED = -1;
// Dom elements
const IMG = document.getElementById("img");
const IMG_CONTAINER = document.getElementById("imgContainer");
const IMG_NAME = document.getElementById("imgName");
const MASK_IDX = document.getElementById("maskIndex");
const IMAGE_IDX = document.getElementById("imageIndex");
const CATEGORY = document.getElementById("category");
const CAPTION = document.getElementById("caption");
const RADIO_REFINED = document.getElementById("radio_refined");
const RADIO_POS = document.getElementById("radio_pos");
const RADIO_NEG = document.getElementById("radio_neg");
const BBOX = document.getElementById("bbox");
const NOTIFICATION_DIALOG = document.getElementById("notificationDialog");
const NOTIFICATION_MESSAGE = document.getElementById("notificationMessage");
const CAPTION_LABEL = document.getElementById("caption_label");
// It is used to keep check of how many category have been refined
const CATEGORY_COUNT_LABEL = document.getElementById("category_count_label");
const CATEGORY_COUNT_IDX = document.getElementById("category_count_index");
// Expected number of reinfed image for each category
const EXPECTED_REFINED_COUNT = 10
// Jumping
const IMAGE_ID_INPUT = document.getElementById("image_id_input");
const ANNOTATION_ID_INPUT = document.getElementById("annotation_id_input");
// ID Visualization
const MASK_ID = document.getElementById("maskID");
const IMAGE_ID = document.getElementById("imageID");
var showLabel = true;
// Json key for negative tags
const NEGATIVE_TAGS_PROPERTY = "negative_tags";
// Negative tags, which will be stored as comma separated string
const CALSSIFICATION = "Classification";
const BACKGROUND = "Background"
const UNEXISTING = "Unexisting"
const SPATIAL = "Spatial"
const ACTION = "Action"
const SIZE = "Size"
const COLOR = "Color"
const SHAPE = "Shape"
const TEXTURE = "Texture"
const MATERIAL = "Material"
const COUNTING = "Counting"
const NEGATIVE_TAGS = [CALSSIFICATION, BACKGROUND, UNEXISTING, SPATIAL, ACTION, SIZE, COLOR, SHAPE, TEXTURE, MATERIAL, COUNTING];
const SMALL_BBOX_THRESHOLD = 1024;
const BIG_BBOX_CAPTION_LABEL = "Caption"
const SMALL_BBOX_CAPTION_LABEL = "Caption (Small BBox will not be saved)"
/*
* Initialization
*/
attachNegativeTagOnClick();
RADIO_POS.onclick = function() {
clearNegativeTags();
}
RADIO_REFINED.onclick = function() {
clearNegativeTags();
}
/**
* Annotation store the data of an annotation.
*/
class Annotation {
/**
* Constructor
* @param {JSON} annoData
*/
constructor(annoData) {
this.jsonData = annoData;
if (!this.jsonData.hasOwnProperty("label")) {
this.jsonData.label = POSITIVE;
}
if (!this.jsonData.hasOwnProperty(NEGATIVE_TAGS_PROPERTY)) {
this.jsonData[NEGATIVE_TAGS_PROPERTY] = "";
}
}
/**
* Get bounding box of the annotation. [x, y, width, height] in term of pixels.
* @returns {Array} The list of points of the annotation.
*/
getBbox() {
return this.jsonData.bbox;
}
/**
* Get the id of the image that the annotation belongs to.
* @returns {number} The id of the image.
*/
getImageId() {
return this.jsonData.image_id;
}
/**
* Get the id of the annotation.
*/
getId() {
return this.jsonData.id;
}
/**
* Get the caption of the annotation.
* @returns {string} The caption of the annotation.
*/
getCaption() {
return this.jsonData.caption;
}
/**
* Set a new caption for annotaiton
* @param {string} caption
*/
setCaption(caption) {
this.jsonData.caption = caption;
}
/**
* Get the label of the annotation.
* @returns {number} The label of the annotation.
*/
getLabel() {
return this.jsonData.label;
}
/**
* Set the label of the annotation.
* @param {number} label
*/
setLabel(label) {
this.jsonData.label = label;
}
is_small_bbox() {
const area = this.getArea();
return area < SMALL_BBOX_THRESHOLD;
}
/**
* Get the category of the annotation.
* @returns {string} The category of the annotation.
*/
getCategory() {
return this.jsonData.category;
}
getArea() {
const bbox = this.getBbox();
return bbox[2] * bbox[3];
}
/**
* Set the category of the annotation.
* @param {string} catetory
*/
setCategory(catetory) {
this.jsonData.category = catetory;
}
/**
* Get the negative tags of the annotation.
*/
getNegativeTagsString() {
return this.jsonData[NEGATIVE_TAGS_PROPERTY];
}
/**
* Set the negative tags of the annotation.
* @param {string} negative_tags
*/
setNegativeTagsString(negative_tags) {
if (Array.isArray(negative_tags) && negative_tags.every(tag => typeof tag === "string")) {
negative_tags = negative_tags.join(", ");
}
this.jsonData[NEGATIVE_TAGS_PROPERTY] = negative_tags;
}
/**
* Post-processing the catogray data to make it more readable.
* @param {string} category
* @returns {string} The processed category.
*/
processCategory(category) {
if (category == undefined) {
return "";
}
// Find the index of first uppercase letter
const idx = category.search(/[A-Z]/);
if (idx === -1) {
const words = category.split(" ");
const first_word = words[0];
let duplicateIndx = -1;
for (let i=1; i<words.length; i++) {
if (words[i] === first_word) {
duplicateIndx = i;
// Join the words up to the first occurrence of the first word
category = words.slice(0, duplicateIndx).join(" ");
break;
}
}
if (duplicateIndx === -1) {
if (category.endsWith(".jpg") ||
category.endsWith(".png") ||
category.endsWith(".jpeg") ||
category.endsWith(".PNG") ||
category.endsWith(".JPG")) {
words.pop()
category = words.join(" ");
return category;
} else {
return category;
}
} else {
// Keep the part before first uppercase letter.
return category.slice(0, idx);
}
} else {
// If there are uppercase letter, just keep the part after the first uppercase letter.
return category.slice(0, idx);
}
}
}
/**
* It is the name of folder that store the data.
*/
const DATA_FOLDER = "data";
/**
* Image store the data of an image.
*/
class Image {
/**
* Constructor
* @param {JSON} imageData
* @param {JSON} annoDatas
*/
constructor(imageData, annoDatas) {
this.jsonData = imageData;
let id = this.jsonData.id;
this.annotations = [];
for (const annoData of annoDatas) {
console.assert(
annoData.image_id === id,
"Annotation does not belong to image. Annotation ID: " +
annoData.id +
", Image ID: " +
id
);
this.annotations.push(new Annotation(annoData));
}
}
/**
* Get the id of the image.
* @returns {number} The id of the image.
*/
getId() {
return this.jsonData.id;
}
/**
* Relative path to the image.
* @returns {string} The path of the image.
*/
getPath() {
return `${DATA_FOLDER}/${this.getFileName()}`;
}
/**
* Get the filename of the image.
* @returns {string} The name of the image file.
*/
getFileName() {
return this.jsonData.file_name;
}
/**
* Get annotation list
* @returns {Array} The list of annotations of the image.
*/
getAnnotations() {
return this.annotations;
}
/**
* Count how many annotation in this image.
* @returns {number} The number of annotations of the image.
*/
getAnnotationsCount() {
return this.annotations.length;
}
/**
* Get the width of the image
* @returns {number} The width of the image.
*/
getWidth() {
return this.jsonData.width;
}
/**
* Get the height of the image
* @returns {number} The height of the image.
*/
getHeight() {
return this.jsonData.height;
}
/**
* Get the index of the annotation in the image. (The i-th annotation in this image)
* @param {Annotation} annotation
* @returns {number} The index of the annotation in the image.
*/
getAnnotationIdx(annotation) {
return this.annotations.indexOf(annotation);
}
/**
* Check if the annotation is the last annotation of the image.
* @param {Annotation} annotation
* @returns {boolean} True if the annotation is the last annotation of the image.
*/
isLastAnnotation(annotation) {
return this.annotations[this.annotations.length - 1] === annotation;
}
/**
* Get the first annotaiton in this image.
* @returns {Annotation} The first annotation of the image.
*/
getFirstAnnotation() {
return this.annotations[0];
}
/**
* Get the last annotation in this image.
* @returns {Annotation} The last annotation of the image.
*/
getLastAnnotation() {
return this.annotations[this.annotations.length - 1];
}
/**
* Delete the annotation from the image.
* If the image does not contain the annotation, do nothing.
*/
removeAnnotation(annotation) {
const idx = this.getAnnotationIdx(annotation);
if (idx !== -1) {
this.annotations.splice(idx, 1);
}
}
}
/**
* Dataset store a list of images loaded from json file.
* It is in singleton pattern.
*/
class Dataset {
/**
* Constructor
*/
constructor() {
this.images = [];
}
/**
* Get the singleton instance of the dataset.
* @returns {Dataset} The instance of the dataset.
*/
static getInstance() {
if (!this.instance) {
this.instance = new Dataset();
}
return this.instance;
}
/**
* Convert json string to dataset object.
* @param {string} json The json string that contains the data of the dataset.
*/
parseJson(json) {
const jsonData = JSON.parse(json);
const annoDatas = jsonData.annotations;
for (const imageJson of jsonData.images) {
const relatedAnnotations = annoDatas.filter(
(annoData) => annoData.image_id === imageJson.id
);
this.images.push(new Image(imageJson, relatedAnnotations));
}
this.categoriesData = jsonData.categories;
}
/**
* Get the image by its id.
* @param {number} annoId
* @returns {Image} The image object. Or else return null.
*/
getImageByAnnotationId(annoId) {
for (const image of this.images) {
for (const anno of image.annotations) {
if (anno.getId() === annoId) {
return image;
}
}
}
return null;
}
/**
* Get the image that contains the annotation.
* @param {Annotation} annotation
* @returns {Image} The image object. Or else return null.
*/
getImageByAnnotation(annotation) {
return this.getImageByAnnotationId(annotation.getId());
}
/**
* Get the list of image
* @returns {Array} The list of images.
*/
getImages() {
return this.images;
}
/**
* Count the number of images
* @returns {number} The number of images.
*/
getImageCount() {
this.images.length;
}
/**
* Get the first image of the dataset.
* @returns {Image} The first image of the dataset.
*/
getFirstImage() {
return this.images[0];
}
/**
* Get the last image of the dataset.
* @returns {Image} The last image of the dataset.
* */
getLastImage() {
return this.images[this.images.length - 1];
}
/**
* Get the index of the image in list.
* @param {Image} image
* @returns {number} The index of the image in the dataset.
*/
getImageIdx(image) {
return this.images.indexOf(image);
}
/**
* Get the next annotation based on the input annotation.
* If there are more annotations in the image, return the next one. (case 1)
* If there are no more annotations in the image, return the first annotation of the next image. (case 2)
* If there is no more image and annotation, return null. (case 3)
* @param {Annotation} annotation The input annotation.
* @returns {Annotation} The next annotation of the input annotation.
*/
getNextAnnotation(annotation) {
const image = this.getImageByAnnotation(annotation);
const idx = image.annotations.indexOf(annotation);
// Case 1
if (!image.isLastAnnotation(annotation)) {
return image.annotations[idx + 1];
}
const imageIdx = this.images.indexOf(image);
if (imageIdx < this.images.length - 1) {
// Case 2
return this.images[imageIdx + 1].annotations[0];
}
// Case 3
return null;
}
/**
* Get previous annotation based on the input annotation.
* If there are previous annotations in the image, return the previous one. (case 1)
* If there are no previous annotations in the image, return the last annotation of the previous image. (case 2)
* If there is no more image and annotation, return null. (case 3)
* @param {Anntoation} annotation
* @returns {Annotation} The previous annotation of the input annotation.
*/
getPrevAnnotation(annotation) {
const image = this.getImageByAnnotation(annotation);
const idx = image.annotations.indexOf(annotation);
// Case 1
if (idx > 0) {
return image.annotations[idx - 1];
}
const imageIdx = this.getImageIdx(image);
if (imageIdx > 0) {
// Case 2
return this.images[imageIdx - 1].getLastAnnotation();
}
// Case 3
return null;
}
/**
* Get the next image based on the given image or annotation.
* @param {Image || Annotation} input Input can be either an image or an annotation.
* @returns {Image} The next image of the input.
*/
getNextImage(input) {
if (input instanceof Image) {
return this.getNextImageByImage(input);
} else if (input instanceof Annotation) {
return this.getNextImageByAnnotation(input);
} else {
throw new Error("Input must be either an image or an annotation.");
}
}
/**
* Get the previous image based on the given image or annotation.
* @param {Image || Annotation} input Input can be either an image or an annotation.
* @returns {Image} The previous image of the input.
*/
getPrevImage(input) {
if (input instanceof Image) {
return this.getPrevImageByImage(input);
} else if (input instanceof Annotation) {
return this.getPrevImageByAnnotation(input);
} else {
throw new Error("Input must be either an image or an annotation.");
}
}
/**
* Get the next image based on the given image.
* If there are more image, return this next one. (case 1)
* If there are no more image, return null. (case 2)
* @param {Image} image Input image.
* @returns {Image} The next image of the input image.
*/
getNextImageByImage(image) {
const idx = this.getImageIdx(image);
if (idx < this.images.length - 1) {
return this.images[idx + 1];
}
return null;
}
/**
* Get the previous image based on the given image.
* If there are previous image, return this previous one. (case 1)
* If there are no previous image, return null. (case 2)
* @param {Image} image Input image.
* @returns {Image} The previous image of the input image.
*/
getPrevImageByImage(image) {
const idx = this.getImageIdx(image);
if (idx > 0) {
return this.images[idx - 1];
}
return null;
}
/**
* Get the next image based on the given annotation.
* If there are more image, then directly return the next image. (case 1)
* If there are no more image, return null. (case 2)
* @param {Annotation} annotaiton Input Annotation
* @returns {Image} The next image of the input annotation.
*/
getNextImageByAnnotation(annotaiton) {
const image = this.getImageByAnnotation(annotaiton);
return this.getNextImageByImage(image);
}
/**
* Get the previous image based on the given annotation.
* If there are previous image, then directly return the previous image. (case 1)
* If there are no previous image, return null. (case 2)
* @param {Annotation} annotaiton Input Annotation
* @returns {Image} The previous image of the input annotation.
*/
getPrevImageByAnnotation(annotaiton) {
const image = this.getImageByAnnotation(annotaiton);
return this.getPrevImageByImage(image);
}
/**
* Export the dataset to json format.
* The json will contain list of images data, list of annotaitons data and list of categories data.
* @returns {string} The json string.
*/
exportJson() {
const images = this.images.map((image) => image.jsonData);
const annotations = this.images.flatMap((image) =>