{"id":19061,"date":"2026-09-03T14:39:26","date_gmt":"2026-09-03T04:39:26","guid":{"rendered":"https:\/\/geoffreychen.com\/compression-preserves-information-by-removing-redundancy\/"},"modified":"2026-10-10T19:38:02","modified_gmt":"2026-10-10T08:38:02","slug":"compression-preserves-information-by-removing-redundancy","status":"publish","type":"post","link":"https:\/\/geoffreychen.com\/zh\/compression-preserves-information-by-removing-redundancy\/","title":{"rendered":"\u538b\u7f29\uff1a\u4e3a\u4ec0\u4e48\u66f4\u5c11\u7684\u7b26\u53f7\u8fd8\u80fd\u4fdd\u7559\u4fe1\u606f\uff1f"},"content":{"rendered":"<\/p>\n<p><img data-recalc-dims=\"1\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/public-assets.geoffreychen.com\/wordpress\/articles\/compression-preserves-information-by-removing-redundancy\/807691898a7521c4068ec308.jpg?w=1140&#038;ssl=1\" alt=\"\u538b\u7f29\uff1a\u4e3a\u4ec0\u4e48\u66f4\u5c11\u7684\u7b26\u53f7\u8fd8\u80fd\u4fdd\u7559\u4fe1\u606f\uff1f\" 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href=\"https:\/\/ocw.mit.edu\/courses\/6-441-information-theory-spring-2016\/pages\/lecture-notes\/\" rel=\"nofollow\">https:\/\/ocw.mit.edu\/courses\/6-441-information-theory-spring-2016\/pages\/lecture-notes\/<\/a><br \/><a href=\"https:\/\/www.nist.gov\/publications\/parallel-algorithms-entropy-coding-techniques\" rel=\"nofollow\">https:\/\/www.nist.gov\/publications\/parallel-algorithms-entropy-coding-techniques<\/a><\/p>\n<div class=\"roadly-philosophy-promotion\">\n<hr>\n<p><a href=\"https:\/\/apps.apple.com\/app\/id6815896028\" target=\"_blank\" rel=\"noopener\"><img data-recalc-dims=\"1\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/geoffreychen.com\/wp-content\/uploads\/2026\/10\/roadly-philosophy-app-icon-1.jpg?resize=72%2C72&#038;ssl=1\" alt=\"Roadly Philosophy\" width=\"72\" height=\"72\" style=\"display:block;width:72px;height:72px;border-radius:16px;\" loading=\"lazy\"><\/a><\/p>\n<p><strong>Roadly Philosophy<\/strong><\/p>\n<p>\u60f3\u6362\u4e00\u79cd\u65b9\u5f0f\u63a5\u89e6\u54f2\u5b66\uff1f\u8bd5\u8bd5\u6211\u5f00\u53d1\u7684 iPhone \u54f2\u5b66\u6e38\u620f Roadly Philosophy\u3002<\/p>\n<p><a href=\"https:\/\/apps.apple.com\/app\/id6815896028\" aria-label=\"\u5728 App Store \u4e0b\u8f7d: Roadly Philosophy\" style=\"display:inline-block;padding:12px 0;\" target=\"_blank\" rel=\"noopener\"><img data-recalc-dims=\"1\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/geoffreychen.com\/wp-content\/uploads\/2026\/10\/roadly-app-store-badge-zh-cn-hires.png?resize=150%2C50&#038;ssl=1\" alt=\"\u5728 App Store \u4e0b\u8f7d\" width=\"150\" height=\"50\" style=\"display:block;width:150px;height:50px;max-width:100%;border:0;\" loading=\"lazy\"><\/a><\/p>\n<\/div>\n<p>","protected":false},"excerpt":{"rendered":"","protected":false},"author":17897162,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_coblocks_attr":"","_coblocks_dimensions":"","_coblocks_responsive_height":"","_coblocks_accordion_ie_support":"","_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_geoff_meta_description_en":"Compression uses repetition and predictability to encode information more briefly. Whether loss is acceptable depends on what must be reconstructed and why.","_geoff_meta_description_zh":"\u538b\u7f29\u4e0d\u662f\u968f\u610f\u5220\u9664\uff0c\u800c\u662f\u5229\u7528\u6570\u636e\u4e2d\u7684\u91cd\u590d\u4e0e\u53ef\u9884\u6d4b\u5173\u7cfb\uff0c\u7528\u66f4\u77ed\u5f62\u5f0f\u4fdd\u5b58\u53ef\u6062\u590d\u6216\u8db3\u591f\u6709\u7528\u7684\u5185\u5bb9\uff1b\u6709\u635f\u4e0e\u65e0\u635f\u7684\u8fb9\u754c\u53d6\u51b3\u4e8e\u7528\u9014\u3002","_wpcom_ai_launchpad_first_post":false,"_jetpack_hide_featured_image":false,"_jetpack_featured_image_duplicate_dismissed":0,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[787294141],"tags":[787299175,787299177,787299176,787299178],"class_list":["post-19061","post","type-post","status-publish","format-standard","hentry","category-philosophical-concepts","tag-compression","tag-information","tag-compression-zh","tag-information-zh","","has-post-thumbnail","fallback-thumbnail"],"translatepress_titles":{"en_AU":"Compression: How Can Fewer Symbols Preserve Information?","zh_CN":"\u538b\u7f29\uff1a\u4e3a\u4ec0\u4e48\u66f4\u5c11\u7684\u7b26\u53f7\u8fd8\u80fd\u4fdd\u7559\u4fe1\u606f\uff1f"},"jetpack_publicize_connections":[],"jetpack_likes_enabled":false,"jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p1ar9H-4Xr","jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/geoffreychen.com\/zh\/wp-json\/wp\/v2\/posts\/19061","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/geoffreychen.com\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/geoffreychen.com\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/geoffreychen.com\/zh\/wp-json\/wp\/v2\/users\/17897162"}],"replies":[{"embeddable":true,"href":"https:\/\/geoffreychen.com\/zh\/wp-json\/wp\/v2\/comments?post=19061"}],"version-history":[{"count":3,"href":"https:\/\/geoffreychen.com\/zh\/wp-json\/wp\/v2\/posts\/19061\/revisions"}],"predecessor-version":[{"id":21891,"href":"https:\/\/geoffreychen.com\/zh\/wp-json\/wp\/v2\/posts\/19061\/revisions\/21891"}],"wp:attachment":[{"href":"https:\/\/geoffreychen.com\/zh\/wp-json\/wp\/v2\/media?parent=19061"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/geoffreychen.com\/zh\/wp-json\/wp\/v2\/categories?post=19061"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/geoffreychen.com\/zh\/wp-json\/wp\/v2\/tags?post=19061"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}