{"id":792,"date":"2026-02-10T20:28:39","date_gmt":"2026-02-10T17:28:39","guid":{"rendered":"https:\/\/blogs.e-me.edu.gr\/emchristo\/?page_id=792"},"modified":"2026-02-10T20:33:49","modified_gmt":"2026-02-10T17:33:49","slug":"%ce%b5%cf%80%ce%b5%ce%be%ce%b5%cf%81%ce%b3%ce%b1%cf%83%ce%af%ce%b1-%cf%88%ce%b7%cf%86%ce%b9%ce%b1%ce%ba%cf%8e%ce%bd-%ce%b5%ce%b9%ce%ba%cf%8c%ce%bd%cf%89%ce%bd","status":"publish","type":"page","link":"https:\/\/blogs.e-me.edu.gr\/emchristo\/%ce%b5%cf%80%ce%b5%ce%be%ce%b5%cf%81%ce%b3%ce%b1%cf%83%ce%af%ce%b1-%cf%88%ce%b7%cf%86%ce%b9%ce%b1%ce%ba%cf%8e%ce%bd-%ce%b5%ce%b9%ce%ba%cf%8c%ce%bd%cf%89%ce%bd\/","title":{"rendered":"\u0395\u03c0\u03b5\u03be\u03b5\u03c1\u03b3\u03b1\u03c3\u03af\u03b1 \u03c8\u03b7\u03c6\u03b9\u03b1\u03ba\u03ce\u03bd \u03b5\u03b9\u03ba\u03cc\u03bd\u03c9\u03bd"},"content":{"rendered":"<h3 data-path-to-node=\"2\"><span style=\"color: #000080\">\u03a4\u03b9 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b7 \u0395\u03c0\u03b5\u03be\u03b5\u03c1\u03b3\u03b1\u03c3\u03af\u03b1 \u0395\u03b9\u03ba\u03cc\u03bd\u03b1\u03c2;<\/span><\/h3>\n<p data-path-to-node=\"3\">\u0397 \u03b5\u03c0\u03b5\u03be\u03b5\u03c1\u03b3\u03b1\u03c3\u03af\u03b1 \u03b5\u03b9\u03ba\u03cc\u03bd\u03b1\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b7 \u03b4\u03b9\u03b1\u03b4\u03b9\u03ba\u03b1\u03c3\u03af\u03b1 \u03ba\u03b1\u03c4\u03ac \u03c4\u03b7\u03bd \u03bf\u03c0\u03bf\u03af\u03b1 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03bf\u03cd\u03bc\u03b5 \u03c4\u03bf\u03bd \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03b9\u03c3\u03c4\u03ae \u03b3\u03b9\u03b1 \u03bd\u03b1 <b data-path-to-node=\"3\" data-index-in-node=\"93\">\u03b1\u03bb\u03bb\u03ac\u03be\u03bf\u03c5\u03bc\u03b5 \u03ba\u03b1\u03b9<\/b>\u00a0\u03bd\u03b1 <b data-path-to-node=\"3\" data-index-in-node=\"107\">\u03b2\u03b5\u03bb\u03c4\u03b9\u03ce\u03c3\u03bf\u03c5\u03bc\u03b5<\/b>\u00a0 \u03bc\u03b9\u03b1 \u03c8\u03b7\u03c6\u03b9\u03b1\u03ba\u03ae \u03c6\u03c9\u03c4\u03bf\u03b3\u03c1\u03b1\u03c6\u03af\u03b1.<\/p>\n<h3 data-path-to-node=\"6\"><span style=\"color: #000080\">\u00a0\u03a4\u03b1 5 \u0392\u03b1\u03c3\u03b9\u03ba\u03ac \u03a7\u03b1\u03c1\u03b1\u03ba\u03c4\u03b7\u03c1\u03b9\u03c3\u03c4\u03b9\u03ba\u03ac \u03c0\u03bf\u03c5 \u0395\u03c0\u03b5\u03be\u03b5\u03c1\u03b3\u03b1\u03b6\u03cc\u03bc\u03b1\u03c3\u03c4\u03b5:<\/span><\/h3>\n<h4 data-path-to-node=\"8\"><span style=\"color: #0000ff\">1. \u03a6\u03c9\u03c4\u03b5\u03b9\u03bd\u03cc\u03c4\u03b7\u03c4\u03b1 (Brightness)<\/span><\/h4>\n<ul data-path-to-node=\"9\">\n<li>\n<p data-path-to-node=\"9,0,0\"><b data-path-to-node=\"9,0,0\" data-index-in-node=\"0\"><span style=\"color: #666699\">\u03a4\u03b9 \u03b5\u03af\u03bd\u03b1\u03b9<\/span>:<\/b> \u03a0\u03cc\u03c3\u03bf &#8220;\u03c6\u03c9\u03c2&#8221; \u03ad\u03c7\u03b5\u03b9 \u03b7 \u03b5\u03b9\u03ba\u03cc\u03bd\u03b1 \u03bc\u03b1\u03c2.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"9,1,0\"><b data-path-to-node=\"9,1,0\" data-index-in-node=\"0\"><span style=\"color: #808080\">\u03a7\u03c1\u03ae\u03c3\u03b7<\/span>:<\/b> \u0391\u03bd \u03bc\u03b9\u03b1 \u03c6\u03c9\u03c4\u03bf\u03b3\u03c1\u03b1\u03c6\u03af\u03b1 \u03b2\u03b3\u03ae\u03ba\u03b5 \u03c0\u03bf\u03bb\u03cd \u03c3\u03ba\u03bf\u03c4\u03b5\u03b9\u03bd\u03ae, \u03b1\u03c5\u03be\u03ac\u03bd\u03bf\u03c5\u03bc\u03b5 \u03c4\u03b7 \u03c6\u03c9\u03c4\u03b5\u03b9\u03bd\u03cc\u03c4\u03b7\u03c4\u03b1 \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03c6\u03b1\u03af\u03bd\u03bf\u03bd\u03c4\u03b1\u03b9 \u03bf\u03b9 \u03bb\u03b5\u03c0\u03c4\u03bf\u03bc\u03ad\u03c1\u03b5\u03b9\u03b5\u03c2.<\/p>\n<\/li>\n<\/ul>\n<h4 data-path-to-node=\"10\"><span style=\"color: #0000ff\">2. \u0391\u03bd\u03c4\u03af\u03b8\u03b5\u03c3\u03b7 (Contrast)<\/span><\/h4>\n<ul data-path-to-node=\"11\">\n<li>\n<p data-path-to-node=\"11,0,0\"><b data-path-to-node=\"11,0,0\" data-index-in-node=\"0\"><span style=\"color: #666699\">\u03a4\u03b9 \u03b5\u03af\u03bd\u03b1\u03b9<\/span>:<\/b> \u0397 \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03ac \u03b1\u03bd\u03ac\u03bc\u03b5\u03c3\u03b1 \u03c3\u03c4\u03b1 \u03c0\u03b9\u03bf \u03b1\u03bd\u03bf\u03b9\u03c7\u03c4\u03ac (\u03bb\u03b5\u03c5\u03ba\u03ac) \u03ba\u03b1\u03b9 \u03c4\u03b1 \u03c0\u03b9\u03bf \u03c3\u03ba\u03bf\u03cd\u03c1\u03b1 (\u03bc\u03b1\u03cd\u03c1\u03b1) \u03bc\u03ad\u03c1\u03b7 \u03c4\u03b7\u03c2 \u03b5\u03b9\u03ba\u03cc\u03bd\u03b1\u03c2.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"11,1,0\"><b data-path-to-node=\"11,1,0\" data-index-in-node=\"0\"><span style=\"color: #808080\">\u03a7\u03c1\u03ae\u03c3\u03b7<\/span>:<\/b> \u0397 \u03c5\u03c8\u03b7\u03bb\u03ae \u03b1\u03bd\u03c4\u03af\u03b8\u03b5\u03c3\u03b7 \u03ba\u03ac\u03bd\u03b5\u03b9 \u03c4\u03b1 \u03c7\u03c1\u03ce\u03bc\u03b1\u03c4\u03b1 \u03bd\u03b1 &#8220;\u03c0\u03b5\u03c4\u03ac\u03b3\u03bf\u03bd\u03c4\u03b1\u03b9&#8221; \u03ba\u03b1\u03b9 \u03c4\u03b7\u03bd \u03b5\u03b9\u03ba\u03cc\u03bd\u03b1 \u03bd\u03b1 \u03c6\u03b1\u03af\u03bd\u03b5\u03c4\u03b1\u03b9 \u03c0\u03b9\u03bf \u03b6\u03c9\u03bd\u03c4\u03b1\u03bd\u03ae.<\/p>\n<\/li>\n<\/ul>\n<h4 data-path-to-node=\"12\"><span style=\"color: #0000ff\">3. \u039a\u03bf\u03c1\u03b5\u03c3\u03bc\u03cc\u03c2 (Saturation)<\/span><\/h4>\n<ul data-path-to-node=\"13\">\n<li>\n<p data-path-to-node=\"13,0,0\"><b data-path-to-node=\"13,0,0\" data-index-in-node=\"0\"><span style=\"color: #666699\">\u03a4\u03b9 \u03b5\u03af\u03bd\u03b1\u03b9<\/span>:<\/b> \u0397 \u03ad\u03bd\u03c4\u03b1\u03c3\u03b7 \u03c4\u03c9\u03bd \u03c7\u03c1\u03c9\u03bc\u03ac\u03c4\u03c9\u03bd.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"13,1,0\"><b data-path-to-node=\"13,1,0\" data-index-in-node=\"0\"><span style=\"color: #808080\">\u03a7\u03c1\u03ae\u03c3\u03b7<\/span>:<\/b> * <b data-path-to-node=\"13,1,0\" data-index-in-node=\"9\">\u03a5\u03c8\u03b7\u03bb\u03cc\u03c2 \u03ba\u03bf\u03c1\u03b5\u03c3\u03bc\u03cc\u03c2:<\/b> \u03a4\u03b1 \u03c7\u03c1\u03ce\u03bc\u03b1\u03c4\u03b1 \u03b3\u03af\u03bd\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c0\u03bf\u03bb\u03cd \u03ad\u03bd\u03c4\u03bf\u03bd\u03b1 \u03ba\u03b1\u03b9 \u03c6\u03b1\u03bd\u03c4\u03b1\u03c7\u03c4\u03b5\u03c1\u03ac.<\/p>\n<ul data-path-to-node=\"13,1,1\">\n<li>\n<p data-path-to-node=\"13,1,1,0,0\"><b data-path-to-node=\"13,1,1,0,0\" data-index-in-node=\"0\">\u039c\u03b7\u03b4\u03b5\u03bd\u03b9\u03ba\u03cc\u03c2 \u03ba\u03bf\u03c1\u03b5\u03c3\u03bc\u03cc\u03c2:<\/b> \u0397 \u03b5\u03b9\u03ba\u03cc\u03bd\u03b1 \u03b3\u03af\u03bd\u03b5\u03c4\u03b1\u03b9 \u03b1\u03c3\u03c0\u03c1\u03cc\u03bc\u03b1\u03c5\u03c1\u03b7!<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h4 data-path-to-node=\"14\"><span style=\"color: #0000ff\">4. \u03a0\u03b5\u03c1\u03b9\u03ba\u03bf\u03c0\u03ae (Crop)<\/span><\/h4>\n<ul data-path-to-node=\"15\">\n<li>\n<p data-path-to-node=\"15,0,0\"><b data-path-to-node=\"15,0,0\" data-index-in-node=\"0\"><span style=\"color: #666699\">\u03a4\u03b9 \u03b5\u03af\u03bd\u03b1\u03b9<\/span>:<\/b> \u03a4\u03bf &#8220;\u03c8\u03b1\u03bb\u03af\u03b4\u03b9\u03c3\u03bc\u03b1&#8221; \u03c4\u03b7\u03c2 \u03b5\u03b9\u03ba\u03cc\u03bd\u03b1\u03c2.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"15,1,0\"><b data-path-to-node=\"15,1,0\" data-index-in-node=\"0\"><span style=\"color: #808080\">\u03a7\u03c1\u03ae\u03c3\u03b7<\/span>:<\/b> \u0391\u03c6\u03b1\u03b9\u03c1\u03bf\u03cd\u03bc\u03b5 \u03c4\u03b1 \u03bc\u03ad\u03c1\u03b7 \u03c0\u03bf\u03c5 \u03b4\u03b5\u03bd \u03b8\u03ad\u03bb\u03bf\u03c5\u03bc\u03b5 (\u03c0.\u03c7. \u03ad\u03bd\u03b1\u03bd \u03ba\u03ac\u03b4\u03bf \u03c3\u03ba\u03bf\u03c5\u03c0\u03b9\u03b4\u03b9\u03ce\u03bd \u03c3\u03c4\u03b7\u03bd \u03ac\u03ba\u03c1\u03b7 \u03c4\u03b7\u03c2 \u03c6\u03c9\u03c4\u03bf\u03b3\u03c1\u03b1\u03c6\u03af\u03b1\u03c2) \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03b5\u03c3\u03c4\u03b9\u03ac\u03c3\u03bf\u03c5\u03bc\u03b5 \u03c3\u03c4\u03bf \u03b8\u03ad\u03bc\u03b1 \u03bc\u03b1\u03c2.<\/p>\n<\/li>\n<\/ul>\n<h4 data-path-to-node=\"16\"><span style=\"color: #0000ff\">5. \u03a6\u03af\u03bb\u03c4\u03c1\u03b1 &amp; \u0395\u03c6\u03ad (Filters)<\/span><\/h4>\n<ul data-path-to-node=\"17\">\n<li>\n<p data-path-to-node=\"17,0,0\"><b data-path-to-node=\"17,0,0\" data-index-in-node=\"0\"><span style=\"color: #666699\">\u03a4\u03b9 \u03b5\u03af\u03bd\u03b1\u03b9<\/span>:<\/b> \u0388\u03c4\u03bf\u03b9\u03bc\u03b5\u03c2 \u03c1\u03c5\u03b8\u03bc\u03af\u03c3\u03b5\u03b9\u03c2 \u03c0\u03bf\u03c5 \u03b1\u03bb\u03bb\u03ac\u03b6\u03bf\u03c5\u03bd \u03cc\u03bb\u03b7 \u03c4\u03b7\u03bd \u03b5\u03bc\u03c6\u03ac\u03bd\u03b9\u03c3\u03b7 \u03bc\u03b5 \u03ad\u03bd\u03b1 \u03ba\u03bb\u03b9\u03ba.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"17,1,0\"><b data-path-to-node=\"17,1,0\" data-index-in-node=\"0\"><span style=\"color: #808080\">\u03a7\u03c1\u03ae\u03c3\u03b7<\/span>:<\/b> \u039c\u03c0\u03bf\u03c1\u03bf\u03cd\u03bc\u03b5 \u03bd\u03b1 \u03ba\u03ac\u03bd\u03bf\u03c5\u03bc\u03b5 \u03c4\u03b7 \u03c6\u03c9\u03c4\u03cc \u03bd\u03b1 \u03bc\u03bf\u03b9\u03ac\u03b6\u03b5\u03b9 \u03bc\u03b5 \u03c0\u03b1\u03bb\u03b9\u03ac \u03b5\u03c6\u03b7\u03bc\u03b5\u03c1\u03af\u03b4\u03b1, \u03bc\u03b5 \u03c0\u03af\u03bd\u03b1\u03ba\u03b1 \u03b6\u03c9\u03b3\u03c1\u03b1\u03c6\u03b9\u03ba\u03ae\u03c2 \u03ae \u03bd\u03b1 \u03c4\u03b7\u03c2 \u03b4\u03ce\u03c3\u03bf\u03c5\u03bc\u03b5 &#8220;\u03ba\u03b1\u03bb\u03bb\u03b9\u03c4\u03b5\u03c7\u03bd\u03b9\u03ba\u03cc&#8221; \u03cd\u03c6\u03bf\u03c2.<\/p>\n<\/li>\n<\/ul>\n<hr \/>\n<p>\u03a0\u03c1\u03cc\u03b3\u03c1\u03b1\u03bc\u03bc\u03b1 online \u03b5\u03c0\u03b5\u03be\u03b5\u03c1\u03b3\u03b1\u03c3\u03af\u03b1\u03c2 \u03b5\u03b9\u03ba\u03cc\u03bd\u03c9\u03bd:\u00a0<a href=\"https:\/\/pixlr.com\/gr\/express\/\">PIXLR<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u03a4\u03b9 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b7 \u0395\u03c0\u03b5\u03be\u03b5\u03c1\u03b3\u03b1\u03c3\u03af\u03b1 \u0395\u03b9\u03ba\u03cc\u03bd\u03b1\u03c2; \u0397 \u03b5\u03c0\u03b5\u03be\u03b5\u03c1\u03b3\u03b1\u03c3\u03af\u03b1 \u03b5\u03b9\u03ba\u03cc\u03bd\u03b1\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b7 \u03b4\u03b9\u03b1\u03b4\u03b9\u03ba\u03b1\u03c3\u03af\u03b1 \u03ba\u03b1\u03c4\u03ac \u03c4\u03b7\u03bd \u03bf\u03c0\u03bf\u03af\u03b1 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03bf\u03cd\u03bc\u03b5 \u03c4\u03bf\u03bd \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03b9\u03c3\u03c4\u03ae \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03b1\u03bb\u03bb\u03ac\u03be\u03bf\u03c5\u03bc\u03b5 \u03ba\u03b1\u03b9\u00a0\u03bd\u03b1 \u03b2\u03b5\u03bb\u03c4\u03b9\u03ce\u03c3\u03bf\u03c5\u03bc\u03b5\u00a0 \u03bc\u03b9\u03b1 \u03c8\u03b7\u03c6\u03b9\u03b1\u03ba\u03ae \u03c6\u03c9\u03c4\u03bf\u03b3\u03c1\u03b1\u03c6\u03af\u03b1. \u00a0\u03a4\u03b1 5 \u0392\u03b1\u03c3\u03b9\u03ba\u03ac \u03a7\u03b1\u03c1\u03b1\u03ba\u03c4\u03b7\u03c1\u03b9\u03c3\u03c4\u03b9\u03ba\u03ac \u03c0\u03bf\u03c5 \u0395\u03c0\u03b5\u03be\u03b5\u03c1\u03b3\u03b1\u03b6\u03cc\u03bc\u03b1\u03c3\u03c4\u03b5: 1. \u03a6\u03c9\u03c4\u03b5\u03b9\u03bd\u03cc\u03c4\u03b7\u03c4\u03b1 (Brightness) \u03a4\u03b9 \u03b5\u03af\u03bd\u03b1\u03b9: \u03a0\u03cc\u03c3\u03bf &#8220;\u03c6\u03c9\u03c2&#8221; \u03ad\u03c7\u03b5\u03b9 \u03b7 \u03b5\u03b9\u03ba\u03cc\u03bd\u03b1 \u03bc\u03b1\u03c2. \u03a7\u03c1\u03ae\u03c3\u03b7: \u0391\u03bd \u03bc\u03b9\u03b1 \u03c6\u03c9\u03c4\u03bf\u03b3\u03c1\u03b1\u03c6\u03af\u03b1 \u03b2\u03b3\u03ae\u03ba\u03b5 \u03c0\u03bf\u03bb\u03cd \u03c3\u03ba\u03bf\u03c4\u03b5\u03b9\u03bd\u03ae, \u03b1\u03c5\u03be\u03ac\u03bd\u03bf\u03c5\u03bc\u03b5 \u03c4\u03b7 \u03c6\u03c9\u03c4\u03b5\u03b9\u03bd\u03cc\u03c4\u03b7\u03c4\u03b1 \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03c6\u03b1\u03af\u03bd\u03bf\u03bd\u03c4\u03b1\u03b9 [&hellip;]<\/p>\n","protected":false},"author":403903,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-792","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/blogs.e-me.edu.gr\/emchristo\/wp-json\/wp\/v2\/pages\/792","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blogs.e-me.edu.gr\/emchristo\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/blogs.e-me.edu.gr\/emchristo\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/blogs.e-me.edu.gr\/emchristo\/wp-json\/wp\/v2\/users\/403903"}],"replies":[{"embeddable":true,"href":"https:\/\/blogs.e-me.edu.gr\/emchristo\/wp-json\/wp\/v2\/comments?post=792"}],"version-history":[{"count":0,"href":"https:\/\/blogs.e-me.edu.gr\/emchristo\/wp-json\/wp\/v2\/pages\/792\/revisions"}],"wp:attachment":[{"href":"https:\/\/blogs.e-me.edu.gr\/emchristo\/wp-json\/wp\/v2\/media?parent=792"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}