{"id":13224,"date":"2024-09-11T11:34:49","date_gmt":"2024-09-11T11:34:49","guid":{"rendered":"https:\/\/dgzx.hk?p=13224"},"modified":"2024-09-11T11:34:49","modified_gmt":"2024-09-11T11:34:49","slug":"imx686-64mp-cmos-camera-image-sensor","status":"publish","type":"post","link":"https:\/\/dgzx.hk\/fr\/capteur-dimage-de-camera-cmos-64mp-imx686\/","title":{"rendered":"Capteur d&#039;images \u00e0 pixels actifs empil\u00e9s CMOS IMX686 6 4MP"},"content":{"rendered":"<p style=\"text-indent: 2em;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 16px;\">Le <span style=\"font-family: arial, helvetica, sans-serif; font-size: 16px; font-style: italic; font-weight: bold; color: #3399CC; line-height: 18px;\">IMX686<\/span> Il s&#039;agit d&#039;un capteur d&#039;image \u00e0 pixels actifs empil\u00e9s CMOS de 6,4 m\u00e9gapixels avec une taille diagonale de 9,251 mm (type 1\/1,73) et une matrice de pixels carr\u00e9s. Il utilise le capteur d&#039;image CMOS empil\u00e9 r\u00e9tro\u00e9clair\u00e9 de Sony pour obtenir une capture d&#039;image \u00e0 grande vitesse gr\u00e2ce \u00e0 des circuits de conversion A\/N parall\u00e8les \u00e0 colonnes, et des images \u00e0 haute sensibilit\u00e9 et \u00e0 faible bruit (par rapport aux capteurs d&#039;image CMOS conventionnels) gr\u00e2ce \u00e0 une structure de pixels d&#039;imagerie r\u00e9tro\u00e9clair\u00e9e. Des filtres mosa\u00efques de couleurs primaires \u00e0 pigments R, G et B sont utilis\u00e9s. Il fonctionne avec quatre tensions d&#039;alimentation : interfaces d&#039;entr\u00e9e\/sortie analogiques 2,9 V et 1,8 V, num\u00e9riques 1,1 V et 1,8 V, pour une faible consommation d&#039;\u00e9nergie.<\/span><\/p>\n<p style=\"text-indent: 2em;\"><strong><span style=\"font-family: arial, helvetica, sans-serif; font-size: 16px;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 16px; font-style: italic; font-weight: bold; color: #3399CC; line-height: 18px;\">Fonctions et caract\u00e9ristiques :<\/span><\/span><\/strong><\/p>\n<p style=\"text-indent: 2em;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 16px;\">Capteur d&#039;image CMOS empil\u00e9 r\u00e9tro\u00e9clair\u00e9<\/span><\/p>\n<p style=\"text-indent: 2em;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 16px;\">Disposition de filtre couleur cod\u00e9 Quad Bayer (QBC)<\/span><\/p>\n<p style=\"text-indent: 2em;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 16px;\">Mise au point automatique \u00e0 d\u00e9tection de phase (PDAF)<\/span><\/p>\n<p style=\"text-indent: 2em;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 16px;\">Fr\u00e9quence d&#039;images \u00e9lev\u00e9e<\/span><\/p>\n<p style=\"text-indent: 2em;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 16px;\">30 ips \u00e0 pleine r\u00e9solution (re-mosa\u00efque QBC)<\/span><\/p>\n<p style=\"text-indent: 2em;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 16px;\">30 images par seconde \u00e0 QBC-HDR<\/span><\/p>\n<p style=\"text-indent: 2em;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 16px;\">30 images par seconde \u00e0 V2H2 QBC-HDR<\/span><\/p>\n<p style=\"text-indent: 2em;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 16px;\">120 ips \u00e0 2 \u00d7 2 pixels adjacents (16:9)<\/span><\/p>\n<p style=\"text-indent: 2em;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 16px;\">240 ips \u00e0 2 \u00d7 2 pixels adjacents V2H2 (16:9)<\/span><\/p>\n<p style=\"text-indent: 2em;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 16px;\">Rapport signal\/bruit (SNR) \u00e9lev\u00e9<\/span><\/p>\n<p style=\"text-indent: 2em;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 16px;\">Fonctionnement synchrone \u00e0 double capteur<\/span><\/p>\n<p style=\"text-indent: 2em;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 16px;\">Correction dynamique des pixels d\u00e9fectueux 2D int\u00e9gr\u00e9e (DPC)<\/span><\/p>\n<p style=\"text-indent: 2em;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 16px;\">Correction de l&#039;ombrage des verres (LSC)<\/span><\/p>\n<p style=\"text-indent: 2em;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 16px;\">Capteur de temp\u00e9rature int\u00e9gr\u00e9<\/span><\/p>\n<p style=\"text-indent: 2em;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 16px;\">Les formats vid\u00e9o de sortie sont RAW10, RAW8, RAW14 (QBC HDR, pas de mappage de tons locaux)<\/span><\/p>\n<p style=\"text-indent: 2em;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 16px;\">Fonction de re-mosa\u00efque QBC<\/span><\/p>\n<p style=\"text-indent: 2em;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 16px;\">Mode super nuit<\/span><\/p>\n<p style=\"text-indent: 2em;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 16px;\">Fonction QBC HDR<\/span><\/p>\n<p style=\"text-indent: 2em;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 16px;\">Deux PLL pour g\u00e9n\u00e9rer des horloges ind\u00e9pendantes pour le contr\u00f4le des pixels et les interfaces de sortie de donn\u00e9es<\/span><\/p>\n<p style=\"text-indent: 2em;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 16px;\">\u25c6Sortie de donn\u00e9es s\u00e9rie CSI-2<\/span><\/p>\n<p style=\"text-indent: 2em;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 16px;\">MIPI D-PHY 2 voies\/4 voies, max. 2,5 Gbit\/s\/voie, conforme \u00e0 la sp\u00e9cification D-PHY ver. 1.2<\/span><\/p>\n<p style=\"text-indent: 2em;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 16px;\">MIPI C-PHY 1\/2\/3 trois voies, max. 4,5 Gps\/trois voies, conforme \u00e0 la sp\u00e9cification C-PHY version 1.2. Conforme \u00e0 la version 1.2<\/span><\/p>\n<p style=\"text-indent: 2em;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 16px;\">\u25c6 Communication s\u00e9rie \u00e0 deux fils (prend en charge I<\/span><\/p>\n<p style=\"text-indent: 2em;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 16px;\">2C \u00ab\u00a0Mode rapide\u00a0\u00bb, \u00ab\u00a0Mode rapide Plus\u00a0\u00bb et I3C)<\/span><\/p>\n<p style=\"text-indent: 2em;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 16px;\">Fournit une ROM OTP de 5\u00a0Kbits aux utilisateurs<\/span><\/p>\n<p style=\"text-indent: 2em;\"><strong><span style=\"font-family: arial, helvetica, sans-serif; font-size: 16px;\">Structure de l&#039;appareil :<\/span><\/strong><\/p>\n<p style=\"text-indent: 2em;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 16px;\">\u25c6Capteur d&#039;image CMOS<\/span><\/p>\n<p style=\"text-indent: 2em;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 16px;\">Taille de l&#039;image : diagonale 9,251 mm (type 1\/1,73)<\/span><\/p>\n<p style=\"text-indent: 2em;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 16px;\">Nombre de pixels effectifs : 9344 (H) * 7024 (V) soit environ 65,6 millions de pixels<\/span><\/p>\n<p style=\"text-indent: 2em;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 16px;\">Nombre de pixels effectifs : 9248 (H) * 6944 (V) soit environ 64,2 millions de pixels<\/span><\/p>\n<p style=\"text-indent: 2em;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 16px;\">Taille de la puce : 8,638 mm (H) * 6,460 mm (L)<\/span><\/p>\n<p style=\"text-indent: 2em;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 16px;\">Taille des cellules : 0,80 \u03bcm (H) * 0,80 \u03bcm (V)<\/span><\/p>\n<p style=\"text-indent: 2em;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 16px;\">Mat\u00e9riau du substrat : Silicium<\/span><\/p>\n<p style=\"text-indent: 2em;\"><strong><span style=\"font-family: arial, helvetica, sans-serif; font-size: 16px;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 16px; font-style: italic; font-weight: bold; color: #3399CC; line-height: 18px;\">Module de cam\u00e9ra IMX686 personnalis\u00e9 Dogoozx :<\/span><\/span><\/strong><\/p>\n<p style=\"text-indent: 2em;\"><a href=\"https:\/\/dgzx.hkproduct\/imx458-imx662-imx675-imx586-imx686-4k8k-48mp-64mp-mipi-camera-module-for-sony\/\" target=\"_blank\" style=\"border-width: 0px; border-style: solid; border-color: rgb(229, 231, 235); --tw-border-spacing-x: 0; --tw-border-spacing-y: 0; --tw-translate-x: 0; --tw-translate-y: 0; --tw-rotate: 0; --tw-skew-x: 0; --tw-skew-y: 0; --tw-scale-x: 1; --tw-scale-y: 1; --tw-pan-x: ; --tw-pan-y: ; --tw-pinch-zoom: ; --tw-scroll-snap-strictness: proximity; --tw-gradient-from-position: ; --tw-gradient-via-position: ; --tw-gradient-to-position: ; --tw-ordinal: ; --tw-slashed-zero: ; --tw-numeric-figure: ; --tw-numeric-spacing: ; --tw-numeric-fraction: ; --tw-ring-inset: ; --tw-ring-offset-width: 0px; --tw-ring-offset-color: #fff; --tw-ring-color: rgb(59 130 246 \/ 0.5); --tw-ring-offset-shadow: 0 0 #0000; --tw-ring-shadow: 0 0 #0000; --tw-shadow: 0 0 #0000; --tw-shadow-colored: 0 0 #0000; --tw-blur: ; --tw-brightness: ; --tw-contrast: ; --tw-grayscale: ; --tw-hue-rotate: ; --tw-invert: ; --tw-saturate: ; --tw-sepia: ; --tw-drop-shadow: ; --tw-backdrop-blur: ; --tw-backdrop-brightness: ; --tw-backdrop-contrast: ; --tw-backdrop-grayscale: ; --tw-backdrop-hue-rotate: ; --tw-backdrop-invert: ; --tw-backdrop-opacity: ; --tw-backdrop-saturate: ; --tw-backdrop-sepia: ; --tw-contain-size: ; --tw-contain-layout: ; --tw-contain-paint: ; --tw-contain-style: ; text-decoration: inherit; color: inherit; outline: none !important;\" rel=\"noopener\"><img decoding=\"async\" class=\"w-full h-auto\" src=\"https:\/\/dgzx.hkwp-content\/uploads\/fly-images\/9181\/image_1684133168_A71-5G64M-R03-2-770x445-cc.jpg\" title=\"IMX686 6 4MP CMOS Active Pixel Stacked Camera Image Sensor\u63d2\u56fe\" alt=\"IMX686 6 4MP CMOS Active Pixel Stacked Camera Image Sensor\u63d2\u56fe\" \/><\/a><\/p>\n<h2 class=\"text-[16px] sm:text-24 sm:leading-[1.2] leading-[1.5] font-bold sm:font-normal mb-4 sm:mb-4\" style=\"border-width: 0px; border-style: solid; border-color: rgb(229, 231, 235); --tw-border-spacing-x: 0; --tw-border-spacing-y: 0; --tw-translate-x: 0; --tw-translate-y: 0; --tw-rotate: 0; --tw-skew-x: 0; --tw-skew-y: 0; --tw-scale-x: 1; --tw-scale-y: 1; --tw-pan-x: ; --tw-pan-y: ; --tw-pinch-zoom: ; --tw-scroll-snap-strictness: proximity; --tw-gradient-from-position: ; --tw-gradient-via-position: ; --tw-gradient-to-position: ; --tw-ordinal: ; --tw-slashed-zero: ; --tw-numeric-figure: ; --tw-numeric-spacing: ; --tw-numeric-fraction: ; --tw-ring-inset: ; --tw-ring-offset-width: 0px; --tw-ring-offset-color: #fff; --tw-ring-color: rgb(59 130 246 \/ 0.5); --tw-ring-offset-shadow: 0 0 #0000; --tw-ring-shadow: 0 0 #0000; --tw-shadow: 0 0 #0000; --tw-shadow-colored: 0 0 #0000; --tw-blur: ; --tw-brightness: ; --tw-contrast: ; --tw-grayscale: ; --tw-hue-rotate: ; --tw-invert: ; --tw-saturate: ; --tw-sepia: ; --tw-drop-shadow: ; --tw-backdrop-blur: ; --tw-backdrop-brightness: ; --tw-backdrop-contrast: ; --tw-backdrop-grayscale: ; --tw-backdrop-hue-rotate: ; --tw-backdrop-invert: ; --tw-backdrop-opacity: ; --tw-backdrop-saturate: ; --tw-backdrop-sepia: ; --tw-contain-size: ; --tw-contain-layout: ; --tw-contain-paint: ; --tw-contain-style: ; font-size: 2.4rem; margin: 0px 0px 1rem; line-height: 1.2; color: rgb(17, 24, 39); font-family: Arial, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, &quot;Segoe UI&quot;, Roboto, &quot;Helvetica Neue&quot;, Arial, &quot;Noto Sans&quot;, sans-serif, &quot;Apple Color Emoji&quot;, &quot;Segoe UI Emoji&quot;, &quot;Segoe UI Symbol&quot;, &quot;Noto Color Emoji&quot;; white-space: normal; text-indent: 2em; outline: none !important;\"><a class=\"\" href=\"https:\/\/dgzx.hkproduct\/imx458-imx662-imx675-imx586-imx686-4k8k-48mp-64mp-mipi-camera-module-for-sony\/\" target=\"_blank\" style=\"border-width: 0px; border-style: solid; border-color: rgb(229, 231, 235); --tw-border-spacing-x: 0; --tw-border-spacing-y: 0; --tw-translate-x: 0; --tw-translate-y: 0; --tw-rotate: 0; --tw-skew-x: 0; --tw-skew-y: 0; --tw-scale-x: 1; --tw-scale-y: 1; --tw-pan-x: ; --tw-pan-y: ; --tw-pinch-zoom: ; --tw-scroll-snap-strictness: proximity; --tw-gradient-from-position: ; --tw-gradient-via-position: ; --tw-gradient-to-position: ; --tw-ordinal: ; --tw-slashed-zero: ; --tw-numeric-figure: ; --tw-numeric-spacing: ; --tw-numeric-fraction: ; --tw-ring-inset: ; --tw-ring-offset-width: 0px; --tw-ring-offset-color: #fff; --tw-ring-color: rgb(59 130 246 \/ 0.5); --tw-ring-offset-shadow: 0 0 #0000; --tw-ring-shadow: 0 0 #0000; --tw-shadow: 0 0 #0000; --tw-shadow-colored: 0 0 #0000; --tw-blur: ; --tw-brightness: ; --tw-contrast: ; --tw-grayscale: ; --tw-hue-rotate: ; --tw-invert: ; --tw-saturate: ; --tw-sepia: ; --tw-drop-shadow: ; --tw-backdrop-blur: ; --tw-backdrop-brightness: ; --tw-backdrop-contrast: ; --tw-backdrop-grayscale: ; --tw-backdrop-hue-rotate: ; --tw-backdrop-invert: ; --tw-backdrop-opacity: ; --tw-backdrop-saturate: ; --tw-backdrop-sepia: ; --tw-contain-size: ; --tw-contain-layout: ; --tw-contain-paint: ; --tw-contain-style: ; text-decoration: underline; color: inherit; font-family: arial, helvetica, sans-serif; font-size: 16px; outline: none !important;\" rel=\"noopener\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 16px;\">Module de cam\u00e9ra Dogoozx imx458 imx662 imx675 IMX586 imx686 4k8k 48MP 64MP mipi pour Sony<\/span><\/a><\/h2>\n<p><\/p>\n<p style=\"text-indent: 2em;\"><strong><span style=\"font-family: arial, helvetica, sans-serif; font-size: 16px;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 16px; font-style: italic; font-weight: bold; color: #3399CC; line-height: 18px;\">\u00c0 propos du capteur d&#039;image de la cam\u00e9ra IMX686 FAQ\u00a0:<\/span><\/span><\/strong><\/p>\n<p style=\"text-indent: 2em;\"><strong><span style=\"font-family: arial, helvetica, sans-serif; font-size: 16px;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 16px; font-style: italic; font-weight: bold; color: #3399CC; line-height: 18px;\"><br \/><\/span><\/span><\/strong><\/p>\n<p style=\"text-indent: 2em;\"><strong><span style=\"font-family: arial, helvetica, sans-serif; font-size: 16px;\">Q1 : Quels sont les param\u00e8tres de base du capteur d&#039;image IMX686 ?<\/span><\/strong><\/p>\n<p style=\"text-indent: 2em;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 16px;\">A1 : L&#039;IMX686 est un capteur d&#039;image haute performance connu pour sa haute r\u00e9solution et sa grande taille de capteur. Prenons l&#039;exemple du Redmi K30 Pro, le capteur IMX686 \u00e9quip\u00e9 de sa cam\u00e9ra principale arri\u00e8re mesure 1\/1,73 pouces et poss\u00e8de 64 millions de pixels. Ces param\u00e8tres permettent \u00e0 l&#039;IMX686 de capturer plus de d\u00e9tails et d&#039;am\u00e9liorer la qualit\u00e9 de l&#039;image.<\/span><\/p>\n<p><\/p>\n<p style=\"text-indent: 2em;\"><strong><span style=\"font-family: arial, helvetica, sans-serif; font-size: 16px;\">Q2 : Quels probl\u00e8mes courants les capteurs d&#039;image IMX686 peuvent-ils rencontrer lors de leur utilisation ?<\/span><\/strong><\/p>\n<p style=\"text-indent: 2em;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 16px;\">A2\u00a0: Les capteurs d&#039;image IMX686 peuvent rencontrer divers probl\u00e8mes lors de leur utilisation, notamment\u00a0:<\/span><\/p>\n<p style=\"text-indent: 2em;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 16px;\">Ph\u00e9nom\u00e8ne de \u00ab pixels chauds \u00bb d\u00fb \u00e0 une surchauffe : apr\u00e8s un certain temps de fonctionnement, la temp\u00e9rature du capteur augmente, ce qui peut entra\u00eener une augmentation de l&#039;excitation intrins\u00e8que des mat\u00e9riaux semi-conducteurs, une r\u00e9duction du rapport signal\/bruit (S\/N), une augmentation du bruit et la formation de \u00ab pixels chauds \u00bb. Cela est d\u00fb \u00e0 la surchauffe de la puce, qui peut \u00eatre ralentie par le traitement du backend ou du logiciel, mais ne peut pas \u00eatre \u00e9radiqu\u00e9e.<\/span><\/p>\n<p style=\"text-indent: 2em;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 16px;\">Probl\u00e8me de tension analogique : une tension analogique faible ou instable peut entra\u00eener un dysfonctionnement du capteur d&#039;image, par exemple en n\u00e9cessitant une lumi\u00e8re plus forte pour d\u00e9tecter l&#039;image, ou en produisant des dominantes de couleur, des rayures, etc.<\/span><\/p>\n<p style=\"text-indent: 2em;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 16px;\">Dommages m\u00e9caniques : En tant qu&#039;appareil de pr\u00e9cision, le capteur d&#039;image IMX686 peut \u00eatre endommag\u00e9 par un choc m\u00e9canique ou des vibrations, affectant la qualit\u00e9 de l&#039;image.<\/span><\/p>\n<p style=\"text-indent: 2em;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 16px;\">Interf\u00e9rence \u00e9lectromagn\u00e9tique : des champs \u00e9lectromagn\u00e9tiques puissants ou des ondes \u00e9lectromagn\u00e9tiques peuvent endommager le capteur d&#039;image ou affecter son fonctionnement normal.<\/span><\/p>\n<p style=\"text-indent: 2em;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 16px;\">Probl\u00e8mes de circuit : y compris court-circuit de ligne de donn\u00e9es, circuit ouvert, mauvaise connexion et autres probl\u00e8mes, qui peuvent provoquer des ondulations d&#039;eau, des lignes de contour ou une d\u00e9viation de couleur sur une grande surface de l&#039;image.<\/span><\/p>\n<p style=\"text-indent: 2em;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 16px;\">Probl\u00e8mes de synchronisation : si la distance entre Hsync et les lignes \u00e0 grande vitesse est trop proche ou trop longue, un couplage peut se produire, entra\u00eenant un mauvais alignement de l&#039;acquisition des donn\u00e9es et des bandes violettes ou vertes.<\/span><\/p>\n<p style=\"text-indent: 2em;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 16px;\"><br \/><\/span><\/p>\n<p style=\"text-indent: 2em;\"><strong><span style=\"font-family: arial, helvetica, sans-serif; font-size: 16px;\">Q3 : Comment r\u00e9soudre le ph\u00e9nom\u00e8ne de \u00ab pixel chaud \u00bb caus\u00e9 par la surchauffe du capteur d&#039;image IMX686 ?<\/span><\/strong><\/p>\n<p style=\"text-indent: 2em;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 16px;\">A3 : Pour r\u00e9soudre le ph\u00e9nom\u00e8ne de \u00ab pixel chaud \u00bb caus\u00e9 par la surchauffe du capteur d&#039;image IMX686, les mesures suivantes peuvent \u00eatre prises :<\/span><\/p>\n<p style=\"text-indent: 2em;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 16px;\">Optimiser la conception de dissipation thermique : assurez-vous que la cam\u00e9ra dispose d&#039;un bon environnement de dissipation thermique lors de son utilisation et r\u00e9duisez l&#039;augmentation de la temp\u00e9rature du capteur pendant le fonctionnement.<\/span><\/p>\n<p style=\"text-indent: 2em;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 16px;\">Traitement logiciel : traitez l&#039;image via le backend ou l&#039;algorithme logiciel pour r\u00e9duire le probl\u00e8me de bruit caus\u00e9 par la surchauffe. Cela comprend g\u00e9n\u00e9ralement des \u00e9tapes telles que la suppression du bruit et la correction des couleurs.<\/span><\/p>\n<p style=\"text-indent: 2em;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 16px;\">R\u00e9duisez la consommation d&#039;\u00e9nergie : sans affecter la qualit\u00e9 de l&#039;image, r\u00e9duisez la consommation d&#039;\u00e9nergie en ajustant les param\u00e8tres de l&#039;appareil photo pour r\u00e9duire la charge de travail du capteur.<\/span><\/p>\n<p style=\"text-indent: 2em;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 16px;\"><br \/><\/span><\/p>\n<p style=\"text-indent: 2em;\"><strong><span style=\"font-family: arial, helvetica, sans-serif; font-size: 16px;\">Q4 : Comment dois-je d\u00e9panner et r\u00e9soudre le probl\u00e8me de dominante de couleur ou de rayures sur le capteur d&#039;image IMX686 ?<\/span><\/strong><\/p>\n<p style=\"text-indent: 2em;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 16px;\">A4\u00a0: Lorsque vous rencontrez un probl\u00e8me de dominante de couleur ou de rayures sur le capteur d&#039;image IMX686, vous pouvez le r\u00e9soudre \u00e0 partir des aspects suivants\u00a0:<\/span><\/p>\n<p style=\"text-indent: 2em;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 16px;\">V\u00e9rifiez la tension analogique : assurez-vous que la tension analogique est stable et r\u00e9pond aux exigences de fonctionnement du capteur. En cas de probl\u00e8me, r\u00e9glez ou remplacez l&#039;alimentation.<\/span><\/p>\n<p style=\"text-indent: 2em;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 16px;\">V\u00e9rifiez la connexion du circuit : v\u00e9rifiez si la ligne de donn\u00e9es est correctement connect\u00e9e, s&#039;il y a un court-circuit, un circuit ouvert ou une mauvaise connexion. En cas de probl\u00e8me, reconnectez ou remplacez la ligne de donn\u00e9es.<\/span><\/p>\n<p style=\"text-indent: 2em;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 16px;\">V\u00e9rifiez les param\u00e8tres de synchronisation : v\u00e9rifiez si les param\u00e8tres de synchronisation des signaux tels que Hsync, PCLK et MCLK sont corrects. En cas de probl\u00e8me, ajustez les param\u00e8tres de synchronisation ou modifiez la disposition du circuit.<\/span><\/p>\n<p style=\"text-indent: 2em;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 16px;\">Nettoyer le capteur : si des taches ou des impuret\u00e9s se trouvent \u00e0 la surface du capteur, cela peut \u00e9galement entra\u00eener des probl\u00e8mes d&#039;imagerie. Vous pouvez essayer d&#039;utiliser des outils de nettoyage professionnels ou des sprays pour le nettoyer.<\/span><\/p>\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>The IMX686 is a 6 4-megapixel CMOS active pixel stacked image sensor with a diagonal size of 9.251 mm (1\/1.73 type) and a square pixel array. It uses Sony&#39;s back-illuminated stacked CMOS image sensor to achieve high-speed image capture through column-parallel A\/D conversion circuits, and high sensitivity and low-noise images (compared to conventional CMOS image sensors) through a back-illuminated imaging pixel structure. R, G and B pigment primary color mosaic filters are used. It operates with four power supply voltages: analog 2.9 V and 1.8 V, digital 1.1 V and 1.8 V input\/output interfaces, achieving low power consumption. Functions and Features\uff1a Back-illuminated stacked CMOS image sensor Quad Bayer Coded (QBC) color filter arrangement Phase Detection Auto Focus (PDAF) High frame rate 30fps@full resolution (QBC re-mosaic) 30fps@QBC-HDR 30fps@V2H2 QBC-HDR 120fps@2&#215;2 adjacent pixel binning (16:9) 240fps@2&#215;2 adjacent pixel binning V2H2 (16:9) High signal-to-noise ratio (SNR) Dual sensor synchronous operation Built-in 2D dynamic defective pixel correction (DPC) Lens shading correction (LSC) Built-in temperature sensor Output video formats are RAW10, RAW8, RAW14 (QBC HDR, no local tone mapping) QBC re-mosaic function Super Night Mode QBC HDR function Two PLLs for generating independent clocks for pixel control and data output interfaces \u25c6CSI-2 serial data output MIPI D-PHY 2lane\/4lane, Max. 2.5Gbps\/lane, D-PHY specification ver. 1.2 compliant MIPI C-PHY 1\/2\/3 three-lane, Max. 4.5Gsps\/three-lane, compliant with C-PHY specification version 1.2. Compliant with version 1.2 \u25c6 Two-wire serial communication (supports I 2C &quot;Fast Mode&quot;, &quot;Fast Mode Plus&quot; and I3C) Provides 5K-bit OTP ROM for users Device structure\uff1a \u25c6CMOS image sensor Image size: diagonal 9.251 mm (1\/1.73 type) Number of effective pixels: 9344 (H) * 7024 (V) about 65.6 million pixels Number of effective pixels: 9248 (H) * 6944 (V) about 64.2 million pixels Chip size: 8.638 mm (H) * 6.460 mm (W) Cell size: 0.80 \u03bcm (H) * 0.80 \u03bcm (V) Substrate material: Silicon Dogoozx customized IMX686 camera module: Dogoozx imx458 imx662 imx675 IMX586 imx686 4k8k 48MP 64MP mipi Camera Module For Sony About IMX686 camera image sensor FAQ: Q1: What are the basic parameters of IMX686 image sensor? A1: IMX686 is a high-performance image sensor known for its high resolution and large sensor size. Taking the Redmi K30 Pro as an example, the IMX686 sensor equipped with its rear main camera is 1\/1.73 inches in size and has 64 million pixels. These parameters enable IMX686 to capture more details and improve image quality. Q2: What common problems may IMX686 image sensors encounter during use? A2: IMX686 image sensors may encounter a variety of problems during use, including but not limited to: &quot;Hot pixel&quot; phenomenon caused by overheating: After working for a period of time, the temperature of the sensor increases, which may lead to increased intrinsic excitation of semiconductor materials, reduced signal-to-noise ratio (S\/N), increased noise, and the formation of &quot;hot pixels&quot;. This is caused by chip overheating, which can be slowed down by backend or software processing, but cannot be eradicated. Analog voltage problem: Low or unstable analog voltage may cause the image sensor to malfunction, such as requiring stronger light to sense the image, or color cast, stripes, etc. Mechanical damage: As a precision device, the IMX686 image sensor may be damaged by mechanical shock or vibration, affecting the image quality. Electromagnetic interference: Strong electromagnetic fields or electromagnetic waves may damage the image sensor or affect its normal operation. Circuit problems: Including data line short circuit, open circuit, wrong connection and other problems, which may cause water ripples, contour lines or large-area color deviation in the image. Timing problems: If the distance between Hsync and high-speed lines is too close or too long, coupling may occur, resulting in data acquisition misalignment and purple or green stripes. Q3: How to solve the &quot;hot pixel&quot; phenomenon caused by overheating of the IMX686 image sensor? A3: To solve the &quot;hot pixel&quot; phenomenon caused by overheating of the IMX686 image sensor, the following measures can be taken: Optimize heat dissipation design: Ensure that the camera has a good heat dissipation environment when in use, and reduce the temperature rise of the sensor when working. Software processing: Process the image through the backend or software algorithm to reduce the noise problem caused by overheating. This usually includes steps such as noise suppression and color correction. Reduce power consumption: Without affecting the image quality, reduce power consumption by adjusting the camera settings to reduce the workload of the sensor. Q4: How should I troubleshoot and solve the problem of color cast or stripes on the IMX686 image sensor? A4: When you encounter the problem of color cast or stripes on the IMX686 image sensor, you can troubleshoot and solve it from the following aspects: Check the analog voltage: Make sure that the analog voltage is stable and meets the working requirements of the sensor. If there is a problem, adjust or replace the power supply. Check the circuit connection: Check whether the data line is connected correctly, whether there is a short circuit, open circuit or wrong connection. If there is a problem, reconnect or replace the data line. Check the timing settings: Check whether the timing settings of signals such as Hsync, PCLK, and MCLK are correct. If there is a problem, adjust the timing settings or modify the circuit layout. Clean the sensor: If there are stains or impurities on the surface of the sensor, it may also cause imaging problems. You can try to use professional cleaning tools or sprays to clean it.<\/p>","protected":false},"author":5,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_eb_attr":"","footnotes":""},"categories":[663],"tags":[664],"class_list":["post-13224","post","type-post","status-publish","format-standard","hentry","category-60mp-camera-sensor","tag-imx686"],"_links":{"self":[{"href":"https:\/\/dgzx.hk\/fr\/wp-json\/wp\/v2\/posts\/13224","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/dgzx.hk\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/dgzx.hk\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/dgzx.hk\/fr\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/dgzx.hk\/fr\/wp-json\/wp\/v2\/comments?post=13224"}],"version-history":[{"count":0,"href":"https:\/\/dgzx.hk\/fr\/wp-json\/wp\/v2\/posts\/13224\/revisions"}],"wp:attachment":[{"href":"https:\/\/dgzx.hk\/fr\/wp-json\/wp\/v2\/media?parent=13224"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dgzx.hk\/fr\/wp-json\/wp\/v2\/categories?post=13224"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dgzx.hk\/fr\/wp-json\/wp\/v2\/tags?post=13224"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}