It looks like this is a web page, not a feed. I looked for a feed associated with this page, but couldn't find one. Please enter the address of your feed to validate.

Source: https://blog-342886725151.mit-edu.top/post/2760951348

  1. <!doctype html>
  2. <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en" prefix="og: http://ogp.me/ns#">
  3.  
  4.  <head>
  5.    <meta charset="utf-8">
  6.    <meta name="applicable-device" content="pc,mobile">
  7.    <meta name="viewport" content="width=device-width, initial-scale=1">
  8.    <title>Machine Vision for Object Recognition in AR Game Interactions #612988516780 (2025-02-04)</title>
  9.    <link rel="canonical" href="https://blog-342886725151.mit-edu.top/post/2760951348">
  10.    <link rel="stylesheet" href="https://fonts.googleapis.com/css2?family=Poppins:wght@400;700&display=swap">
  11.    <link rel="stylesheet" href="https://x.mit-edu.top/static/css/style.css">
  12.    <script src="https://x.mit-edu.top/static/js/lazysizes.min.js" async></script>
  13.    <link rel="shortcut icon" href="/favicon.ico">
  14.    <!-- Open Graph Metadata -->
  15.    <meta property="og:type" content="article" />
  16.    <meta property="og:title" content="Machine Vision for Object Recognition in AR Game Interactions" />
  17.    <meta property="og:description" content="Machine Vision for Object Recognition in AR Game Interactions #612988516780 (2025-02-04)" />
  18.    <meta property="og:url" content="https://blog-342886725151.mit-edu.top/post/2760951348" />
  19.    <meta property="og:site_name" content="mit-edu.top" />
  20.    <meta property="og:image" content="https://x.mit-edu.top/static/images/post/6.jpg" />
  21.    <meta property="og:article:published_time" content="2025-02-04T03:47:53Z" />
  22.    <meta property="og:article:author" content="Dr. Richard Wilson" />
  23.    <meta property="og:article:section" content="mit-edu.top" />
  24.    <meta property="og:article:tag" content="Games, Mobile Games, Video Games" />
  25.    <!-- Schema.org -->
  26.    <script type="application/ld+json">{
  27.            "@context": "https://schema.org",
  28.            "@type": "ScholarlyArticle",
  29.            "headline": "Machine Vision for Object Recognition in AR Game Interactions #612988516780 (2025-02-04)",
  30.            "author": {
  31.                "@type": "Person",
  32.                "name": "Dr. Richard Wilson",
  33.                "affiliation": {
  34.                    "@type": "Organization",
  35.                    "name": "mit-edu.top"
  36.                },
  37.                "url": "https://blog-342886725151.mit-edu.top/post/2760951348"
  38.            },
  39.            "datePublished": "2025-02-04T03:47:53Z",
  40.            "image": "https://x.mit-edu.top/static/images/post/6.jpg",
  41.            "journal": {
  42.                "@type": "Periodical",
  43.                "name": "mit-edu.top",
  44.                "issn": "10.1069/612988516780"
  45.            },
  46.            "publisher": {
  47.                "@type": "Organization",
  48.                "name": "mit-edu.top",
  49.                "url": "https://blog-342886725151.mit-edu.top"
  50.            },
  51.            "doi": "612988516780",
  52.            "abstract": "Machine Vision for Object Recognition in AR Game Interactions #612988516780 (2025-02-04)",
  53.            "citation": {
  54.                "@type": "CreativeWork",
  55.                "name": "Machine Vision for Object Recognition in AR Game Interactions",
  56.                "author": "Dr. Richard Wilson",
  57.                "datePublished": "2025-02-04T03:47:53Z",
  58.                "url": "https://blog-342886725151.mit-edu.top/post/2760951348"
  59.            }
  60.        }
  61.    </script>
  62. </head>
  63.  
  64. <body>
  65.    <div class="site-mobile-menu site-navbar-target">
  66.        <div class="site-mobile-menu-header">
  67.            <div class="site-mobile-menu-close">
  68.                <span class="icofont-close js-menu-toggle"></span>
  69.            </div>
  70.        </div>
  71.        <div class="site-mobile-menu-body"></div>
  72.    </div>
  73.    <nav class="site-nav">
  74.        <div class="container">
  75.            <div class="site-navigation">
  76.                <div class="row">
  77.                    <div class="col-md-6 text-center order-1 order-md-2 mb-3 mb-md-0">
  78.                        <a href="https://blog-342886725151.mit-edu.top" class="logo m-0 text-uppercase">mit-edu.top</a>
  79.                    </div>
  80.                    <div class="col-md-3 order-3 order-md-1">
  81.                    </div>
  82.                </div>
  83.            </div>
  84.        </div>
  85.    </nav>
  86.    <div class="section post-section pt-5">
  87.        <div class="container">
  88.            <div class="row justify-content-center">
  89.                <div class="col-lg-8">
  90.                    <div class="text-center">
  91.                        <img src="https://x.mit-edu.top/static/images/user/5.jpg" alt="Machine Vision for Object Recognition in AR Game Interactions" title="Machine Vision for Object Recognition in AR Game Interactions" class="author-pic img-fluid rounded-circle mx-auto">
  92.                    </div>
  93.                    <span class="d-block text-center">Richard Wilson</span>
  94.                    <span class="date d-block text-center small text-uppercase text-black-50 mb-5">2025-02-04</span>
  95.                    <h2 class="heading text-center">Machine Vision for Object Recognition in AR Game Interactions</h2>
  96.                    <p class="lead mb-4 text-center">Thanks to Richard Wilson for contributing the article "Machine Vision for Object Recognition in AR Game Interactions".
  97.                    </p>
  98.                    <img src="https://x.mit-edu.top/static/images/post/6.jpg" alt="Machine Vision for Object Recognition in AR Game Interactions" title="Machine Vision for Object Recognition in AR Game Interactions" class="img-fluid rounded mb-4 lazyload">
  99.                    <p>This research evaluates the environmental sustainability of the mobile gaming industry, focusing on the environmental footprint of game development, distribution, and consumption. The study examines energy consumption patterns, electronic waste generation, and resource use across the mobile gaming lifecycle, offering a comprehensive assessment of the industry's impact on global sustainability. It also explores innovative approaches to mitigate these effects, such as green game design principles, eco-friendly server technologies, and sustainable mobile device manufacturing practices.</p>
  100. <p>Accessibility initiatives in gaming are essential to ensuring inclusivity and equal opportunities for players of all abilities. Features such as customizable controls, colorblind modes, subtitles, and assistive technologies empower gamers with disabilities to enjoy gaming experiences on par with their peers, fostering a more inclusive and welcoming gaming ecosystem.</p>
  101. <p>This research explores the role of mobile games in the development of social capital within online multiplayer communities. The study draws on social capital theory to examine how players form bonds, share resources, and collaborate within game environments. By analyzing network structures, social interactions, and community dynamics, the paper investigates how mobile games contribute to the creation of virtual social networks that extend beyond gameplay and influence offline relationships. The research also explores the role of mobile games in fostering a sense of belonging and collective identity, while addressing the potential for social exclusion, toxicity, and exploitation within game communities.</p>
  102. <p>The fusion of gaming and storytelling has birthed narrative-driven masterpieces that transport players on epic journeys filled with rich characters, moral dilemmas, and immersive worlds. Role-playing games (RPGs), interactive dramas, and story-driven adventures weave intricate narratives that resonate with players on emotional, intellectual, and narrative levels, blurring the line between gaming and literature.</p>
  103. <p>This paper examines how mobile games can enhance players’ psychological empowerment by improving their self-efficacy and confidence through gameplay. The research investigates how game mechanics such as challenges, achievements, and skill development contribute to a player's sense of mastery and competence. Drawing on psychological theories of self-efficacy and motivation, the study explores how mobile games can be designed to provide players with a sense of accomplishment and personal growth, particularly in games that focus on skill-based tasks, puzzles, and strategy. The paper also explores the impact of mobile games on players' overall well-being, particularly in terms of their confidence and ability to overcome challenges in real life.</p>
  104.  
  105.                    <p>
  106.                    <a href="/redirect/?url=https://blog-342886725151.mit-edu.top/post/2760951348" target="_blank" class="custom-link">Link</a>
  107.                    </p>
  108.                    <p><a href="https://www.linegames.org/" target="_blank" class="custom-link">External link</a>
  109. <a href="https://www.iliiili.com/" target="_blank" class="custom-link">External link</a>
  110. <a href="https://www.digwow.net/" target="_blank" class="custom-link">External link</a>
  111. <a href="https://www.free-giftcodes.com/" target="_blank" class="custom-link">External link</a>
  112. <a href="https://www.gifthub.com.ru/" target="_blank" class="custom-link">External link</a>
  113. <a href="https://393702911690-edu.iliiili.com/" target="_blank" class="custom-link">External link</a>
  114. <a href="https://914641543242-edu.digwow.net/" target="_blank" class="custom-link">External link</a>
  115. <a href="https://817674614084-edu.free-giftcodes.com/" target="_blank" class="custom-link">External link</a>
  116. <a href="https://275445437801-edu.gifthub.com.ru/" target="_blank" class="custom-link">External link</a>
  117. <a href="https://056480762430-gov.iliiili.com/" target="_blank" class="custom-link">External link</a>
  118. <a href="https://891309827461-gov.digwow.net/" target="_blank" class="custom-link">External link</a>
  119. <a href="https://015796801559-gov.free-giftcodes.com/" target="_blank" class="custom-link">External link</a>
  120. <a href="https://626879969099-gov.gifthub.com.ru/" target="_blank" class="custom-link">External link</a>
  121. <a href="https://072718919599-gov-edu.iliiili.com/" target="_blank" class="custom-link">External link</a>
  122. <a href="https://180335298885-gov-edu.digwow.net/" target="_blank" class="custom-link">External link</a>
  123. <a href="https://871770778940-gov-edu.free-giftcodes.com/" target="_blank" class="custom-link">External link</a>
  124. <a href="https://741791619742-gov-edu.gifthub.com.ru/" target="_blank" class="custom-link">External link</a>
  125. <a href="https://272050647714-edu.iliiili.com/?url=https://blog-342886725151.mit-edu.top/post/2760951348" target="_blank" class="custom-link">External link</a>
  126. <a href="https://892787761931-edu.digwow.net/?url=https://blog-342886725151.mit-edu.top/post/2760951348" target="_blank" class="custom-link">External link</a>
  127. <a href="https://002977204419-edu.free-giftcodes.com/?url=https://blog-342886725151.mit-edu.top/post/2760951348" target="_blank" class="custom-link">External link</a>
  128. <a href="https://473155634903-edu.gifthub.com.ru/?url=https://blog-342886725151.mit-edu.top/post/2760951348" target="_blank" class="custom-link">External link</a>
  129. <a href="https://689873973271-gov.iliiili.com/?url=https://blog-342886725151.mit-edu.top/post/2760951348" target="_blank" class="custom-link">External link</a>
  130. <a href="https://991332380705-gov.digwow.net/?url=https://blog-342886725151.mit-edu.top/post/2760951348" target="_blank" class="custom-link">External link</a>
  131. <a href="https://369859127105-gov.free-giftcodes.com/?url=https://blog-342886725151.mit-edu.top/post/2760951348" target="_blank" class="custom-link">External link</a>
  132. <a href="https://492829918152-gov.gifthub.com.ru/?url=https://blog-342886725151.mit-edu.top/post/2760951348" target="_blank" class="custom-link">External link</a>
  133. <a href="https://link.naver.com/bridge?490460907883&amp;url=https://blog-342886725151.mit-edu.top/post/2760951348" target="_blank" class="custom-link">External link</a>
  134. <a href="https://link.naver.com/bridge?805615165447&amp;url=https://naver805615165447-edu.digwow.net" target="_blank" class="custom-link">External link</a>
  135. <a href="https://link.naver.com/bridge?349255594541&amp;url=https://naver349255594541-edu.iliiili.com" target="_blank" class="custom-link">External link</a>
  136. <a href="https://link.naver.com/bridge?631429700261&amp;url=https://naver631429700261-edu.1717173.xyz" target="_blank" class="custom-link">External link</a>
  137. <a href="https://link.naver.com/bridge?787322066092&amp;url=https://naver787322066092-edu.gifthub.com.ru" target="_blank" class="custom-link">External link</a>
  138. <a href="https://link.naver.com/bridge?542906070112&amp;url=https://naver542906070112-gov.digwow.net" target="_blank" class="custom-link">External link</a>
  139. <a href="https://link.naver.com/bridge?182119397120&amp;url=https://naver182119397120-gov.iliiili.com" target="_blank" class="custom-link">External link</a>
  140. <a href="https://link.naver.com/bridge?337036280581&amp;url=https://naver337036280581-gov.1717173.xyz" target="_blank" class="custom-link">External link</a>
  141. <a href="https://link.naver.com/bridge?198119428649&amp;url=https://naver198119428649-gov.gifthub.com.ru" target="_blank" class="custom-link">External link</a>
  142. <a href="https://link.naver.com/bridge?678480423127&amp;url=https://naver678480423127-gov-edu.digwow.net" target="_blank" class="custom-link">External link</a>
  143. <a href="https://link.naver.com/bridge?846904023934&amp;url=https://naver846904023934-gov-edu.iliiili.com" target="_blank" class="custom-link">External link</a>
  144. <a href="https://link.naver.com/bridge?887742609448&amp;url=https://naver887742609448-gov-edu.1717173.xyz" target="_blank" class="custom-link">External link</a>
  145. <a href="https://link.naver.com/bridge?490812507297&amp;url=https://naver490812507297-gov-edu.gifthub.com.ru" target="_blank" class="custom-link">External link</a>
  146. <a href="https://blog-609093581356.gifthub.news/" target="_blank" class="custom-link">External link</a>
  147. <a href="https://blog-527462311303.jp-edu.sbs/" target="_blank" class="custom-link">External link</a>
  148. <a href="https://blog-653372143152.kr-edu.sbs/" target="_blank" class="custom-link">External link</a>
  149. <a href="https://blog-411647399045.krlinkedin.sbs/" target="_blank" class="custom-link">External link</a>
  150. <a href="https://blog-277417773011.mit-edu.sbs/" target="_blank" class="custom-link">External link</a>
  151. <a href="https://blog-325731982156.mit-edu.buzz/" target="_blank" class="custom-link">External link</a>
  152. <a href="https://blog-886880318159.mit-edu.tech/" target="_blank" class="custom-link">External link</a>
  153. <a href="https://blog-827138270844.mit-edu.site/" target="_blank" class="custom-link">External link</a>
  154. <a href="https://blog-943158846425.mit-edu.top/" target="_blank" class="custom-link">External link</a>
  155. <a href="https://blog-466271264978.usa-gov.top/" target="_blank" class="custom-link">External link</a>
  156. <a href="https://research-805980374690.mit-edu.pp.ua/?url=https://blog-342886725151.mit-edu.top/post/2760951348" target="_blank" class="custom-link">External link</a>
  157. <a href="https://research-475117664292.harvard-edu.pp.ua/?url=https://blog-342886725151.mit-edu.top/post/2760951348" target="_blank" class="custom-link">External link</a>
  158. <a href="https://research-418816706294.stanford-edu.pp.ua/?url=https://blog-342886725151.mit-edu.top/post/2760951348" target="_blank" class="custom-link">External link</a>
  159. <a href="https://research-232791848360.cambridge-edu.pp.ua/?url=https://blog-342886725151.mit-edu.top/post/2760951348" target="_blank" class="custom-link">External link</a>
  160. <a href="https://research-126555897789.berkeley-edu.pp.ua/?url=https://blog-342886725151.mit-edu.top/post/2760951348" target="_blank" class="custom-link">External link</a>
  161. <a href="https://research-359988411681.oxford-edu.pp.ua/?url=https://blog-342886725151.mit-edu.top/post/2760951348" target="_blank" class="custom-link">External link</a>
  162. <a href="https://research-766602614379-edu.wwv.pp.ua/?url=https://blog-342886725151.mit-edu.top/post/2760951348" target="_blank" class="custom-link">External link</a>
  163. <a href="https://research-859637563451-edu.sean.pp.ua/?url=https://blog-342886725151.mit-edu.top/post/2760951348" target="_blank" class="custom-link">External link</a>
  164. <a href="https://research-392461637208-edu.line.pp.ua/?url=https://blog-342886725151.mit-edu.top/post/2760951348" target="_blank" class="custom-link">External link</a>
  165. </p>
  166.                    <div class="row mt-5 pt-5 border-top">
  167.                    </div>
  168.                </div>
  169.            </div>
  170.        </div>
  171.    </div>
  172.    <div class="section pb-0">
  173.        <div class="container">
  174.            <div class="row">
  175.                <div class="col-lg-12">
  176.                    <h2 class="heading">Related</h2>
  177.                </div>
  178.            </div>
  179.            <div class="row justify-content-center">
  180.                <div class="col-lg-12">
  181.                    <div class="post-entry d-md-flex small-horizontal mb-5">
  182.                        <div class="me-md-5 thumbnail mb-3 mb-md-0">
  183.                            <a href="https://blog-342886725151.mit-edu.top/post/4803971652">
  184.                            <img src="https://x.mit-edu.top/static/images/post/6.jpg" alt="Quantum Algorithms for Procedural Content Generation" title="Quantum Algorithms for Procedural Content Generation" class="img-fluid lazyload">
  185.                            </a>
  186.                        </div>
  187.                        <div class="content">
  188.                            <div class="post-meta mb-3">
  189.                                <a href="https://blog-4803971652.mit-edu.top/post/4803971652/" target="_blank">
  190.                                <span class="date">2025-02-04</span>
  191.                                </a>
  192.                            </div>
  193.                            <h2 class="heading"><a href="https://blog-342886725151.mit-edu.top/post/4803971652">Quantum Algorithms for Procedural Content Generation</a></h2>
  194.                            <p class="info">This study examines the growing trend of fitness-related mobile games, which use game mechanics to motivate players to engage in physical activities. It evaluates the effectiveness of these games in promoting healthier behaviors and increasing physical activity levels. The paper also investigates the psychological factors behind players’ motivation to exercise through games and explores the future potential of fitness gamification in public health campaigns.</p>
  195.                            <a href="https://blog-342886725151.mit-edu.top/post/4803971652" class="post-author d-flex align-items-center">
  196.                                <div class="author-pic">
  197.                                    <img src="https://x.mit-edu.top/static/images/user/5.jpg" alt="Quantum Algorithms for Procedural Content Generation" title="Quantum Algorithms for Procedural Content Generation" class="lazyload">
  198.                                </div>
  199.                                <div class="text">
  200.                                    <strong>Joyce Stevens</strong>
  201.                                    <span>2025-02-04 published post</span>
  202.                                </div>
  203.                            </a>
  204.                        </div>
  205.                    </div>
  206.                </div>
  207.                <div class="col-lg-12">
  208.                    <div class="post-entry d-md-flex small-horizontal mb-5">
  209.                        <div class="me-md-5 thumbnail mb-3 mb-md-0">
  210.                            <a href="https://blog-342886725151.mit-edu.top/post/5738924601">
  211.                            <img src="https://x.mit-edu.top/static/images/post/9.jpg" alt="Mobile Games as Tools for Preserving Indigenous Knowledge: A Case Study Approach" title="Mobile Games as Tools for Preserving Indigenous Knowledge: A Case Study Approach" class="img-fluid lazyload">
  212.                            </a>
  213.                        </div>
  214.                        <div class="content">
  215.                            <div class="post-meta mb-3">
  216.                                <a href="https://blog-5738924601.mit-edu.top/post/5738924601/" target="_blank">
  217.                                <span class="date">2025-02-04</span>
  218.                                </a>
  219.                            </div>
  220.                            <h2 class="heading"><a href="https://blog-342886725151.mit-edu.top/post/5738924601">Mobile Games as Tools for Preserving Indigenous Knowledge: A Case Study Approach</a></h2>
  221.                            <p class="info">Mobile gaming has democratized access to gaming experiences, empowering billions of smartphone users to dive into a vast array of games ranging from casual puzzles to graphically intensive adventures. The portability and convenience of mobile devices have transformed downtime into playtime, allowing gamers to indulge their passion anytime, anywhere, with a tap of their fingertips.</p>
  222.                            <a href="https://blog-342886725151.mit-edu.top/post/5738924601" class="post-author d-flex align-items-center">
  223.                                <div class="author-pic">
  224.                                    <img src="https://x.mit-edu.top/static/images/user/9.jpg" alt="Mobile Games as Tools for Preserving Indigenous Knowledge: A Case Study Approach" title="Mobile Games as Tools for Preserving Indigenous Knowledge: A Case Study Approach" class="lazyload">
  225.                                </div>
  226.                                <div class="text">
  227.                                    <strong>Evelyn Griffin</strong>
  228.                                    <span>2025-02-04 published post</span>
  229.                                </div>
  230.                            </a>
  231.                        </div>
  232.                    </div>
  233.                </div>
  234.                <div class="col-lg-12">
  235.                    <div class="post-entry d-md-flex small-horizontal mb-5">
  236.                        <div class="me-md-5 thumbnail mb-3 mb-md-0">
  237.                            <a href="https://blog-342886725151.mit-edu.top/post/6713294058">
  238.                            <img src="https://x.mit-edu.top/static/images/post/14.jpg" alt="Analyzing the Effectiveness of Simulation Games in Medical Training" title="Analyzing the Effectiveness of Simulation Games in Medical Training" class="img-fluid lazyload">
  239.                            </a>
  240.                        </div>
  241.                        <div class="content">
  242.                            <div class="post-meta mb-3">
  243.                                <a href="https://blog-6713294058.mit-edu.top/post/6713294058/" target="_blank">
  244.                                <span class="date">2025-02-04</span>
  245.                                </a>
  246.                            </div>
  247.                            <h2 class="heading"><a href="https://blog-342886725151.mit-edu.top/post/6713294058">Analyzing the Effectiveness of Simulation Games in Medical Training</a></h2>
  248.                            <p class="info">This research explores the importance of cultural sensitivity and localization in the design of mobile games for global audiences. The study examines how localization practices, including language translation, cultural adaptation, and regional sensitivity, influence the reception and success of mobile games in diverse markets. Drawing on cross-cultural communication theory and international marketing, the paper investigates the challenges and strategies for designing culturally inclusive games that resonate with players from different countries and cultural backgrounds. The research also discusses the ethical responsibility of game developers to avoid cultural appropriation, stereotypes, and misrepresentations, offering guidelines for creating culturally respectful and globally appealing mobile games.</p>
  249.                            <a href="https://blog-342886725151.mit-edu.top/post/6713294058" class="post-author d-flex align-items-center">
  250.                                <div class="author-pic">
  251.                                    <img src="https://x.mit-edu.top/static/images/user/9.jpg" alt="Analyzing the Effectiveness of Simulation Games in Medical Training" title="Analyzing the Effectiveness of Simulation Games in Medical Training" class="lazyload">
  252.                                </div>
  253.                                <div class="text">
  254.                                    <strong>Walter Hughes</strong>
  255.                                    <span>2025-02-04 published post</span>
  256.                                </div>
  257.                            </a>
  258.                        </div>
  259.                    </div>
  260.                </div>
  261.            </div>
  262.        </div>
  263.    </div>
  264.    <div class="py-5 bg-light mx-md-3 sec-subscribe">
  265.        <div class="container">
  266.            <div class="row">
  267.                <div class="col-lg-12">
  268.                    <h2 class="h4 fw-bold">Subscribe to newsletter</h2>
  269.                </div>
  270.            </div>
  271.            <form class="row">
  272.                <div class="col-md-8">
  273.                    <div class="mb-3 mb-md-0">
  274.                        <input type="email" class="form-control" placeholder="Enter your email">
  275.                    </div>
  276.                </div>
  277.                <div class="col-md-4 d-grid">
  278.                    <input type="submit" class="btn btn-primary" value="Subscribe">
  279.                </div>
  280.            </form>
  281.        </div>
  282.    </div>
  283.    <div class="site-footer">
  284.        <div class="container">
  285.            <div class="row justify-content-center copyright">
  286.                <div class="col-lg-7 text-center">
  287.                    <div class="widget">
  288.                        <p>Copyright &copy;
  289.                            <script>document.write(new Date().getFullYear());</script> All rights reserved.
  290.                        </p>
  291. <p>
  292.    < Top VPS Hosting Choice ><br>
  293.    <a href="https://evolution-host.com?ref=DQgZ6P" target="_blank">
  294.        <img src="https://x.mit-edu.top/static/images/evolution-host.png" alt="Evolution Host" title="Evolution Host" class="evhost lazyload">
  295.    </a>
  296. </p>
  297.                    </div>
  298.                </div>
  299.            </div>
  300.        </div>
  301.    </div>
  302. </body>
  303.  
  304. </html>
Copyright © 2002-9 Sam Ruby, Mark Pilgrim, Joseph Walton, and Phil Ringnalda