{"id":94564,"date":"2025-05-17T14:26:31","date_gmt":"2025-05-17T14:26:31","guid":{"rendered":"https:\/\/crismob.com\/?p=94564"},"modified":"2026-08-18T19:38:10","modified_gmt":"2026-08-18T19:38:10","slug":"jak-zvazit-dobytek-na-mobilnim-telefonu-pouze-s-fotografii","status":"publish","type":"post","link":"https:\/\/crismob.com\/cs\/como-pesar-o-seu-gado-pelo-celular-usando-apenas-uma-foto\/","title":{"rendered":"V\u00e1\u017een\u00ed dobytka pomoc\u00ed fotografie: Co po\u010d\u00edta\u010dov\u00e9 vid\u011bn\u00ed d\u011bl\u00e1 a co ned\u011bl\u00e1"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Slib je l\u00e1kav\u00fd: vyfo\u0165te kr\u00e1vu na pastvin\u011b a na obrazovce se zobraz\u00ed jej\u00ed v\u00e1ha. Stoj\u00ed za to tuto my\u0161lenku pe\u010dliv\u011b prozkoumat, proto\u017ee kombinuje technologii, kter\u00e1 skute\u010dn\u011b existuje, se slibem, kter\u00fd bezplatn\u00e9 aplikace nespl\u0148uj\u00ed.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V\u00fdchoz\u00ed bod je jednoduch\u00fd a nem\u011bn\u00ed se: <strong>Telefon nem\u00e1 senzor hmotnosti.<\/strong>. Fotografie je matice pixel\u016f; neobsahuje \u017e\u00e1dnou hmotu. V\u0161e, co zobrazovac\u00ed syst\u00e9m dok\u00e1\u017ee, je... <em>usoudit<\/em> Objem a konformace se ur\u010duj\u00ed z tvaru zv\u00ed\u0159ete a ten se p\u0159epo\u010d\u00edt\u00e1v\u00e1 na odhad hmotnosti. V\u017edy se jedn\u00e1 o odhad.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Jak funguje funk\u010dn\u00ed zobrazovac\u00ed syst\u00e9m?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Komer\u010dn\u00ed syst\u00e9my pro odhad hmotnosti skotu pomoc\u00ed po\u010d\u00edta\u010dov\u00e9ho vid\u011bn\u00ed obecn\u011b postupuj\u00ed takto:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Segmentace<\/strong>Software odd\u011bluje obrys zv\u00ed\u0159ete od pozad\u00ed obr\u00e1zku.<\/li>\n<li><strong>Referen\u010dn\u00ed m\u011b\u0159\u00edtko<\/strong>Bez znalosti skute\u010dn\u00e9 velikosti n\u011b\u010deho ve sc\u00e9n\u011b nen\u00ed mo\u017en\u00e9 p\u0159ev\u00e9st pixely na centimetry. Proto tyto syst\u00e9my vy\u017eaduj\u00ed referen\u010dn\u00ed desku, ozna\u010den\u00ed na zemi, pevnou vzd\u00e1lenost od kamery nebo hloubkov\u00fd senzor.<\/li>\n<li><strong>Extrakce m\u011b\u0159en\u00ed<\/strong>v\u00fd\u0161ka, \u0161\u00ed\u0159ka, d\u00e9lka z\u00e1di, prom\u00edtnut\u00e1 plocha t\u011bla.<\/li>\n<li><strong>Statistick\u00fd model<\/strong>Tato m\u011b\u0159en\u00ed se zadaj\u00ed do modelu tr\u00e9novan\u00e9ho na tis\u00edc\u00edch zv\u00ed\u0159at, kter\u00e1 byla zv\u00e1\u017eena na vah\u00e1ch, a z\u00edsk\u00e1 se odhadovan\u00e1 hmotnost.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">V\u0161imn\u011bte si, co se na tomto seznamu objevuje: kontrolovan\u00e9 kompozice, zn\u00e1m\u00e9 m\u011b\u0159\u00edtko, zv\u00ed\u0159e ve standardizovan\u00e9 poloze. \u017d\u00e1dn\u00fd z t\u011bchto po\u017eadavk\u016f nespl\u0148uje fotografie po\u0159\u00edzen\u00e1 z jak\u00e9hokoli \u00fahlu, s b\u00fdkem bokem uprost\u0159ed pastviny, proti sv\u011btlu.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Kolik tyto syst\u00e9my stoj\u00ed?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u0158e\u0161en\u00ed pro v\u00e1\u017een\u00ed hospod\u00e1\u0159sk\u00fdch zv\u00ed\u0159at zalo\u017een\u00e1 na obrazu se komer\u010dn\u011b prod\u00e1vaj\u00ed, t\u00e9m\u011b\u0159 v\u017edy na z\u00e1klad\u011b p\u0159edplatn\u00e9ho, v\u00fdkrmn\u00e1m, odchovn\u00e1m a jatk\u00e1m. Mnoh\u00e1 zahrnuj\u00ed hardware instalovan\u00fd v manipula\u010dn\u00ed chodb\u011b, pevnou kameru a kalibraci prov\u00e1d\u011bnou technikem. Jedn\u00e1 se o legitimn\u00ed technologii s m\u011b\u0159iteln\u00fdmi v\u00fdsledky \u2013 a za cenu slu\u010ditelnou s velk\u00fdmi provozy.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Neexistuje \u017e\u00e1dn\u00e1 magick\u00e1, bezplatn\u00e1 verze, kter\u00e1 by b\u011b\u017eela na b\u011b\u017en\u00e9m fotoapar\u00e1tu mobiln\u00edho telefonu, bez jak\u00e9hokoli m\u011b\u0159\u00edtka nebo \u0159\u00edzen\u00e9ho um\u00edst\u011bn\u00ed.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Co vlastn\u011b d\u011blaj\u00ed bezplatn\u00e9 aplikace?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Kdy\u017e otev\u0159ete v\u011bt\u0161inu aplikac\u00ed, kter\u00e9 slibuj\u00ed \u201cv\u00e1\u017een\u00ed jednotliv\u00fdch fotografi\u00ed\u201d, zjist\u00edte jednu ze t\u0159\u00ed v\u011bc\u00ed:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ve skute\u010dnosti t\u011b o to \u017e\u00e1d\u00e1 <strong>zadejte m\u00edry<\/strong> M\u011b\u0159en\u00ed byla provedena krej\u010dovsk\u00fdm metrem a fotografie je pouze ilustra\u010dn\u00ed pro z\u00e1znam zv\u00ed\u0159ete.<\/li>\n<li>On je <strong>lodn\u00ed den\u00edk<\/strong> Fotografie slou\u017e\u00ed k vizu\u00e1ln\u00ed identifikaci zv\u00ed\u0159ete a hmotnost je to, co jste hodili.<\/li>\n<li>Ukazuje \u010d\u00edslo vymy\u0161len\u00e9 z m\u00e1la, a v tom p\u0159\u00edpad\u011b v\u00fdsledek nem\u00e1 v\u016fbec \u017e\u00e1dnou hodnotu.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Praktick\u00fd p\u0159\u00edklad: aplikace <strong>V\u016fl ve v\u00e1ze<\/strong>, dostupn\u00fd v Obchod\u011b Play, je v\u00fdvoj\u00e1\u0159em pops\u00e1n jako n\u00e1stroj pro <em>rozvahov\u00e9 pozn\u00e1mky<\/em>. Jin\u00fdmi slovy, organizuje z\u00e1znamy o v\u00e1\u017een\u00ed proveden\u00e9m na skute\u010dn\u00e9 v\u00e1ze. Nen\u00ed to aplikace, kter\u00e1 odhaduje hmotnost z fotografie, na rozd\u00edl od toho, co se \u010dasto opakuje.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Metoda, kter\u00e1 funguje bez drah\u00e9ho syst\u00e9mu: p\u00e1ska.<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Dostupnou a osv\u011bd\u010denou alternativou je barimetrie obvodu hrudn\u00edku, kter\u00e1 se v praxi pou\u017e\u00edv\u00e1 ji\u017e po cel\u00e1 desetilet\u00ed. M\u011b\u0159ic\u00ed p\u00e1ska proch\u00e1z\u00ed t\u011bsn\u011b za lopatkou a obep\u00edn\u00e1 cel\u00fd hrudn\u00edk za p\u0159edn\u00edmi kon\u010detinami, v nejvy\u0161\u0161\u00edm bod\u011b hrudn\u00edho ko\u0161e. D\u00e9lka se m\u011b\u0159\u00ed od vrcholu ramene k vrcholu sedac\u00ed kosti.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">S ob\u011bma m\u011b\u0159en\u00edmi v centimetrech se nej\u010dast\u011bji pou\u017e\u00edvan\u00fd vzorec odhaduje takto: <strong>hmotnost (kg) \u2248 obvod hrudn\u00edku\u00b2 \u00d7 d\u00e9lka \u00f7 10,838<\/strong>. Zv\u00ed\u0159e s obvodem 180 cm a d\u00e9lkou 150 cm v\u00e1\u017e\u00ed p\u0159ibli\u017en\u011b 448 kg.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Rozp\u011bt\u00ed chyby je 5% a\u017e 10%. Pro jej\u00ed sn\u00ed\u017een\u00ed: m\u011b\u0159te v\u017edy ve stejnou dobu, nejl\u00e9pe r\u00e1no, se zv\u00ed\u0159etem zaji\u0161t\u011bn\u00fdm, stoj\u00edc\u00edm, klidn\u00fdm a s oporou o v\u0161echny \u010dty\u0159i tlapky, s metrem bl\u00edzko srsti a bez utahov\u00e1n\u00ed.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Kde \u017e\u00e1dn\u00fd odhad nen\u00ed u\u017eite\u010dn\u00fd<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Bez ohledu na to, zda odhad poch\u00e1z\u00ed z fotografie nebo z krej\u010dovsk\u00e9ho metru, existuj\u00ed t\u0159i situace, kdy jej nelze pou\u017e\u00edt:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Prodej od Arroby<\/strong>Chyba 8% v cel\u00e9 d\u00e1vce je p\u0159i zm\u011bn\u011b strany spousta pen\u011bz.<\/li>\n<li><strong>Ofici\u00e1ln\u00ed v\u00e1\u017een\u00ed<\/strong>Registrace platn\u00e1 pro t\u0159et\u00ed strany vy\u017eaduje kalibrovan\u00e9 vybaven\u00ed.<\/li>\n<li><strong>D\u00e1vkov\u00e1n\u00ed l\u00e9k\u016f<\/strong>D\u00e1vky od\u010dervova\u010d\u016f, antibiotik a akaricid\u016f se po\u010d\u00edtaj\u00ed na kilogram. Podd\u00e1vkov\u00e1n\u00ed vede k selekci rezistentn\u00edch parazit\u016f ve st\u00e1d\u011b; p\u0159ed\u00e1vkov\u00e1n\u00ed intoxikuje zv\u00ed\u0159e a prodlu\u017euje ochrannou lh\u016ftu p\u0159ed por\u00e1\u017ekou.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Zn\u00e1mky toho, \u017ee to aplikace p\u0159eh\u00e1n\u00ed.<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Slibuje hmotnost na z\u00e1klad\u011b fotografie, ani\u017e by se ptal na m\u011b\u0159\u00edtko nebo referen\u010dn\u00ed polohu.<\/li>\n<li>Pou\u017e\u00edvejte slova \u201cp\u0159esn\u00fd\u201d, \u201cexaktn\u00ed\u201d nebo \u201cprofesion\u00e1ln\u00ed\u201d bez uveden\u00ed m\u00edry chyby.<\/li>\n<li>Nespecifikuje, pro kter\u00fd druh, plemeno ani v\u011bkov\u00e9 rozmez\u00ed se v\u00fdpo\u010det vztahuje.<\/li>\n<li>Po\u017eaduje opr\u00e1vn\u011bn\u00ed, kter\u00e1 nesouvis\u00ed s rol\u00ed, nap\u0159\u00edklad kontakty, zpr\u00e1vy nebo mikrofon.<\/li>\n<li>V obchod\u011b je jen velmi m\u00e1lo recenz\u00ed \u2013 zna\u010dn\u00e1 \u010d\u00e1st t\u00e9to kategorie ani nem\u00e1 zve\u0159ejn\u011bn\u00e9 hodnocen\u00ed.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Pro\u010d oby\u010dejn\u00e1 fotka nesta\u010d\u00ed<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Stoj\u00ed za to rozebrat technick\u00e9 d\u016fvody, proto\u017ee ty vysv\u011btluj\u00ed, pro\u010d probl\u00e9m nelze vy\u0159e\u0161it lep\u0161\u00ed aplikac\u00ed:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Chyb\u00ed mu m\u011b\u0159\u00edtko.<\/strong> Stejn\u00e1 fotografie telete bl\u00edzko fotoapar\u00e1tu a dosp\u011bl\u00e9ho b\u00fdka v d\u00e1lce m\u016f\u017ee vytvo\u0159it identick\u00e9 obrysy. Bez objektu o zn\u00e1m\u00e9 velikosti ve sc\u00e9n\u011b nebo bez hloubkov\u00e9ho senzoru nem\u00e1 software \u017e\u00e1dnou mo\u017enost zjistit skute\u010dnou velikost zv\u00ed\u0159ete.<\/li>\n<li><strong>Perspektiva zkresluje.<\/strong> Ur\u010dit\u00fd stupe\u0148 n\u00e1klonu kamery m\u011bn\u00ed zd\u00e1nliv\u00fd pom\u011br v\u00fd\u0161ky a d\u00e9lky. Proto komer\u010dn\u00ed syst\u00e9my vy\u017eaduj\u00ed pevnou polohu.<\/li>\n<li><strong>Fotografie je dvourozm\u011brn\u00e1.<\/strong> Hmotnost z\u00e1vis\u00ed na objemu. Odhad objemu z jedin\u00e9 rovinn\u00e9 projekce vy\u017eaduje p\u0159edpoklad hloubky t\u011blesa a tento p\u0159edpoklad je nejv\u011bt\u0161\u00edm zdrojem chyb.<\/li>\n<li><strong>Vlasy, \u0161p\u00edna a sv\u011btlo jsou na obt\u00ed\u017e.<\/strong> Protisv\u011btlo, bl\u00e1to a tmav\u00e1 srst na tmav\u00e9m pozad\u00ed zhor\u0161uj\u00ed segmentaci kontur.<\/li>\n<li><strong>Zv\u00ed\u0159e se pohybuje.<\/strong> Poloha hlavy, opora tlapek a d\u00fdch\u00e1n\u00ed m\u011bn\u00ed obrys mezi jednotliv\u00fdmi kliknut\u00edmi.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Kdy\u017e se v\u00e1\u017een\u00ed na z\u00e1klad\u011b obrazu vyplat\u00ed<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Existuj\u00ed sc\u00e9n\u00e1\u0159e, ve kter\u00fdch m\u00e1 investice smysl, a v\u0161echny sd\u00edlej\u00ed stejnou charakteristiku: vysok\u00fd objem a opakovan\u00fd pr\u016fchod stejn\u00fdm bodem.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Izolov\u00e1n\u00ed<\/strong>, V za\u0159\u00edzen\u00ed, kde tis\u00edce zv\u00ed\u0159at proch\u00e1zej\u00ed stejnou manipula\u010dn\u00ed chodbou, sleduje jejich pohyb kalibrovan\u00e1 stacion\u00e1rn\u00ed kamera, ani\u017e by to zvy\u0161ovalo stres.<\/li>\n<li><strong>chovatelsk\u00e1 centra<\/strong> kter\u00e9 vy\u017eaduj\u00ed \u010dast\u00e9 r\u016fstov\u00e9 k\u0159ivky bez zastaven\u00ed \u0161ar\u017ee na v\u00e1ze.<\/li>\n<li><strong>V\u00fdzkum a zlep\u0161ov\u00e1n\u00ed<\/strong>, V t\u00e9to souvislosti je samo o sob\u011b cenn\u00e9 \u010dast\u00e9 m\u011b\u0159en\u00ed bez manipulace se zv\u00ed\u0159etem.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Pro nemovitost, kter\u00e1 v\u00e1\u017e\u00ed d\u00e1vku ka\u017ed\u00e9 dva m\u011bs\u00edce, nejsou n\u00e1klady na syst\u00e9m opodstatn\u011bn\u00e9. Pro monitorov\u00e1n\u00ed sta\u010d\u00ed krej\u010dovsk\u00fd metr a z\u00e1znamov\u00e1 aplikace a v\u00e1ha se pou\u017e\u00edv\u00e1 pouze tehdy, kdy\u017e je pot\u0159eba p\u0159esn\u00e9 \u010d\u00edslo.<\/p>\n\n\n<h2>Co je pot\u0159eba k tomu, aby se z fotografie stal m\u011b\u0159\u00edtkov\u00fd materi\u00e1l?<\/h2>\n<p>Spr\u00e1vn\u00e1 ot\u00e1zka nezn\u00ed \u201czvl\u00e1dne to um\u011bl\u00e1 inteligence?\u201d, ale sp\u00ed\u0161e \u201cnese obr\u00e1zek pot\u0159ebn\u00e9 informace?\u201d. Pro odhad objemu z fotografie syst\u00e9m pot\u0159ebuje v\u011bci, kter\u00e9 b\u011b\u017en\u00e1 fotografie z mobiln\u00edho telefonu nem\u00e1:<\/p>\n<ul>\n<li><strong>Referen\u010dn\u00ed m\u011b\u0159\u00edtko.<\/strong> Fotoapar\u00e1t nezn\u00e1 velikost toho, co fotografuje. Tele pobl\u00ed\u017e a v\u016fl daleko vytv\u00e1\u0159ej\u00ed podobn\u00e9 sn\u00edmky. Seri\u00f3zn\u00ed syst\u00e9my to \u0159e\u0161\u00ed kamerou v pevn\u00e9 poloze a se zn\u00e1mou v\u00fd\u0161kou nebo hloubkov\u00fdm senzorem.<\/li>\n<li><strong>\u0158\u00edzen\u00fd \u00fahel.<\/strong> Stejn\u00e1 kr\u00e1va vyfotografovan\u00e1 shora, z boku a z t\u0159\u00ed\u010dtvrte\u010dn\u00edho \u00fahlu vytv\u00e1\u0159\u00ed r\u016fzn\u00e9 siluety. Bez standardizovan\u00e9ho r\u00e1mov\u00e1n\u00ed nen\u00ed srovn\u00e1n\u00ed mo\u017en\u00e9.<\/li>\n<li><strong>Zv\u00ed\u0159e v dan\u00e9 pozici.<\/strong> Stoj\u00ed v klidu, \u010dty\u0159i tlapky na zemi, hlava v p\u0159irozen\u00e9 poloze, t\u011blo kolmo k fotoapar\u00e1tu.<\/li>\n<li><strong>Odd\u011blen\u00ed fondu.<\/strong> Zv\u00ed\u0159e uprost\u0159ed st\u00e1da, na stinn\u00e9 pastvin\u011b s dal\u0161\u00edmi zv\u00ed\u0159aty za n\u00edm, je obt\u00ed\u017en\u00e9 spr\u00e1vn\u011b ost\u0159\u00edhat.<\/li>\n<li><strong>Kalibrace pro st\u00e1do.<\/strong> Model musel b\u00fdt tr\u00e9nov\u00e1n se zv\u00ed\u0159aty podobn\u00e9 konformace, jako je ta jeho vlastn\u00ed.<\/li>\n<\/ul>\n<p>Spojen\u00ed v\u0161ech t\u011bchto mo\u017enost\u00ed je mo\u017en\u00e9 \u2013 a pr\u00e1v\u011b proto se v nich instaluj\u00ed funguj\u00edc\u00ed syst\u00e9my. <strong>pevn\u00e9 konstrukce<\/strong>, Obvykle se to d\u011bje v manipula\u010dn\u00ed chodb\u011b s namontovanou kamerou a p\u0159edv\u00eddateln\u00fdm osv\u011btlen\u00edm. Nen\u00ed to aplikace typu \u201enami\u0159 a stiskni\u201c.<\/p>\n\n<h2>Kde se v\u00e1\u017een\u00ed na z\u00e1klad\u011b obrazu skute\u010dn\u011b vyplat\u00ed.<\/h2>\n<p>Existuje jasn\u00fd sc\u00e9n\u00e1\u0159, ve kter\u00e9m se investice vyplat\u00ed, a nejedn\u00e1 se o sc\u00e9n\u00e1\u0159 producenta, kter\u00fd chce odhadovat deset zv\u00ed\u0159at m\u011bs\u00ed\u010dn\u011b:<\/p>\n<ul>\n<li><strong>Vysok\u00e1 hlasitost a vysok\u00e1 frekvence.<\/strong> V\u00fdkrmny a farmy \u010dasto v\u00e1\u017e\u00ed mnoho zv\u00ed\u0159at. Tam ka\u017ed\u00e9 v\u00e1\u017een\u00ed stoj\u00ed pr\u00e1ci, stres a \u010das \u2013 a automatizovan\u00fd syst\u00e9m se vyplat\u00ed ve zv\u00fd\u0161en\u00e9 produktivit\u011b.<\/li>\n<li><strong>Sn\u00ed\u017een\u00ed stresu.<\/strong> M\u011b\u0159en\u00ed bez fixace zv\u00ed\u0159ete znamen\u00e1 men\u0161\u00ed manipulaci, men\u0161\u00ed \u00fabytek hmotnosti v d\u016fsledku stresu a men\u0161\u00ed riziko nehod s \u00fa\u010dast\u00ed lid\u00ed.<\/li>\n<li><strong>Frekvence, kterou stupnice neumo\u017e\u0148uje.<\/strong> Fixn\u00ed syst\u00e9m dok\u00e1\u017ee m\u011b\u0159it ka\u017ed\u00fd pr\u016fchod zv\u00ed\u0159ete a hodnotu generuje spojit\u00e1 k\u0159ivka \u2013 nikoli izolovan\u00e9 \u010d\u00edslo.<\/li>\n<li><strong>Integrace se syst\u00e9mem \u0159\u00edzen\u00ed<\/strong>, aktualizace z\u00e1znamu zv\u00ed\u0159ete bez nutnosti psan\u00ed.<\/li>\n<\/ul>\n<p>U mal\u00fdch a st\u0159edn\u00edch farem se \u010d\u00edsla jen z\u0159\u00eddka s\u010d\u00edtaj\u00ed: investice do infrastruktury a n\u00e1klady na zv\u00ed\u0159e jsou vysok\u00e9 a <strong>V\u00e1\u017e\u00edc\u00ed p\u00e1ska s nahr\u00e1vac\u00ed aplikac\u00ed<\/strong> Nab\u00edz\u00ed to nejd\u016fle\u017eit\u011bj\u0161\u00ed \u2013 sledov\u00e1n\u00ed p\u0159ib\u00edr\u00e1n\u00ed na v\u00e1ze \u2013 za cenu t\u00e9m\u011b\u0159 nulovou.<\/p>\n\n<h2>\u010casto kladen\u00e9 ot\u00e1zky<\/h2>\n<h3>Existuje n\u011bjak\u00e1 bezplatn\u00e1 aplikace, kter\u00e1 v\u00e1\u017e\u00ed dobytek pomoc\u00ed fotografie z va\u0161eho mobiln\u00edho telefonu?<\/h3>\n<p>Nen\u00ed to spolehliv\u00e9. Ty bezplatn\u00e9, kter\u00e9 existuj\u00ed, funguj\u00ed na principu m\u011b\u0159en\u00ed krej\u010dovsk\u00fdm metrem nebo v\u00e1s po\u017e\u00e1daj\u00ed o zad\u00e1n\u00ed rozm\u011br\u016f. Slib jednoduch\u00e9 fotografie s uveden\u00edm hmotnosti neodpov\u00edd\u00e1 tomu, co technologie vy\u017eaduje.<\/p>\n<h3>A co videa, kter\u00e1 ukazuj\u00ed, jak to funguje?<\/h3>\n<p>Obvykle se jedn\u00e1 o demonstrace komer\u010dn\u00edch syst\u00e9m\u016f s pevnou kamerou a konstrukc\u00ed nebo o testy za kontrolovan\u00fdch podm\u00ednek. V demonstraci se neobjevuje instalace za n\u00ed.<\/p>\n<h3>Je p\u0159esnost obrazu lep\u0161\u00ed ne\u017e u p\u00e1sky?<\/h3>\n<p>V dob\u0159e nainstalovan\u00e9m a kalibrovan\u00e9m syst\u00e9mu b\u00fdv\u00e1 \u2013 a zejm\u00e9na je \u2013 opakovateln\u011bj\u0161\u00ed, proto\u017ee eliminuje variace lidsk\u00e9 ruky. Na fotografii z mobiln\u00edho telefonu bez jak\u00e9koli kontroly je to hor\u0161\u00ed.<\/p>\n<h3>Vyplat\u00ed se \u010dekat, a\u017e tato technologie zlevn\u00ed?<\/h3>\n<p>Toto je trend a ji\u017e se dostal na farmy a v\u00fdkrmny. D\u016fsledn\u00e9 m\u011b\u0159en\u00ed pomoc\u00ed p\u00e1sky mezit\u00edm p\u0159in\u00e1\u0161\u00ed t\u00e9m\u011b\u0159 ve\u0161kerou v\u00fdhodu \u2013 proto\u017ee p\u0159i monitorov\u00e1n\u00ed je d\u016fle\u017eit\u00e1 odchylka, nikoli absolutn\u00ed \u010d\u00edslo.<\/p>\n<h3>Mohu pou\u017e\u00edt fotku jen k ov\u011b\u0159en\u00ed odhadu s metrem?<\/h3>\n<p>Jako vizu\u00e1ln\u00ed dojem ano \u2013 a tr\u00e9novan\u00e9 oko n\u011bkoho, kdo pracuje se st\u00e1dem, je docela cenn\u00e9. Jako \u010d\u00edslo ne: bez m\u011b\u0159\u00edtka a bez kontrolovan\u00e9ho \u00fahlu fotografie nic nezm\u011b\u0159\u00ed.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Z\u00e1v\u011br<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">V\u00e1\u017een\u00ed dobytka podle fotografie nen\u00ed fikce: po\u010d\u00edta\u010dov\u00e9 vid\u011bn\u00ed aplikovan\u00e9 v chovu hospod\u00e1\u0159sk\u00fdch zv\u00ed\u0159at existuje, funguje za kontrolovan\u00fdch podm\u00ednek a prod\u00e1v\u00e1 se jako placen\u00fd produkt pro velk\u00e9 provozy. Co neexistuje, je bezplatn\u00e1, okam\u017eit\u00e1 verze bez jak\u00fdchkoli po\u017eadavk\u016f.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pro v\u011bt\u0161inu nemovitost\u00ed z\u016fst\u00e1v\u00e1 realistick\u00fdm p\u0159\u00edstupem dob\u0159e vy\u010derpan\u00fd svinovac\u00ed metr, jeho\u017e v\u00fdsledek se zaznamen\u00e1 na mobiln\u00ed telefon a bude pova\u017eov\u00e1n za odhad 5% a\u017e 10%. A pro prodej, ofici\u00e1ln\u00ed v\u00e1\u017een\u00ed a d\u00e1vkov\u00e1n\u00ed l\u00e9k\u016f z\u016fst\u00e1v\u00e1 v\u00e1ha nenahraditeln\u00e1.<\/p>\n\n\n<h2>\u010ct\u011bte tak\u00e9<\/h2>\n<ul>\n<li><a href=\"https:\/\/crismob.com\/cs\/apps-to-weigh-cattle-using-your-cellphone\/\">Aplikace pro v\u00e1\u017een\u00ed dobytka: Jak si vybrat a vyhnout se fale\u0161n\u00fdm slib\u016fm<\/a><\/li>\n<li><a href=\"https:\/\/crismob.com\/cs\/aplikace-pro-vazeni-dobytka-zdarma-1\/\">Bezplatn\u00e9 aplikace pro v\u00e1\u017een\u00ed skotu: Co je zdarma a co ne<\/a><\/li>\n<li><a href=\"https:\/\/crismob.com\/cs\/aplikace-pro-vazeni-dobytka-objevte-vyhody-pouzivani-bezplatnych-nastroju-v-terenu\/\">Aplikace pro v\u00e1\u017een\u00ed skotu: Skute\u010dn\u00e9 v\u00fdhody a m\u00fdty z oboru<\/a><\/li>\n<li><a href=\"https:\/\/crismob.com\/cs\/aplikace-pro-vazeni-dobytka-jak-si-stahnout-a-pouzivat-na-mobilnim-telefonu\/\">Aplikace pro v\u00e1\u017een\u00ed hospod\u00e1\u0159sk\u00fdch zv\u00ed\u0159at: Podrobn\u00fd n\u00e1vod k instalaci a pou\u017eit\u00ed<\/a><\/li>\n<li><a href=\"https:\/\/crismob.com\/cs\/aplikace-pro-vazeni-skotu-2\/\">Aplikace pro v\u00e1\u017een\u00ed dobytka: Kdy\u017e odhady nesta\u010d\u00ed<\/a><\/li>\n<li><a href=\"https:\/\/crismob.com\/cs\/app-weigh-animals-using-your-cell-phone\/\">V\u00e1\u017een\u00ed zv\u00ed\u0159at pomoc\u00ed mobiln\u00edho telefonu: Co aplikace zaznamen\u00e1v\u00e1 a co odhaduje<\/a><\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>A promessa \u00e9 sedutora: tirar uma foto do boi no pasto e receber o peso na tela. Vale examinar essa ideia com calma, porque ela mistura\u2026<\/p>","protected":false},"author":1,"featured_media":94563,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_revidia_rewards_active":"","footnotes":""},"categories":[3],"tags":[],"class_list":["post-94564","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-dicas"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Pesagem de Gado por Foto: O Que a Vis\u00e3o Computacional Faz e N\u00e3o Faz - Crismob<\/title>\n<meta name=\"description\" content=\"Estimar o peso de bovinos por imagem existe de verdade, mas n\u00e3o do jeito que os aplicativos gratuitos prometem. 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