{"id":13069,"date":"2024-08-11T08:41:43","date_gmt":"2024-08-11T08:41:43","guid":{"rendered":"https:\/\/dgzx.hk?p=13069"},"modified":"2024-08-18T08:46:40","modified_gmt":"2024-08-18T08:46:40","slug":"ov7725-camera-chip-image-sensor","status":"publish","type":"post","link":"https:\/\/dgzx.hk\/pt\/sensor-de-imagem-do-chip-da-camera-ov7725\/","title":{"rendered":"Sensor de imagem do chip da c\u00e2mera OV7725"},"content":{"rendered":"

        O OV7725<\/span> O sensor de imagem Camera\u2122 \u00e9 um dispositivo CMOS de baixa voltagem que fornece a funcionalidade completa de uma c\u00e2mera VGA de chip \u00fanico e processador de imagem em um pacote pequeno. O OV7725 \u00e9 controlado por meio de uma interface de barramento de controle de c\u00e2mera serial (SCCB) e fornece imagens de 8 bits\/10 bits em quadro inteiro, subamostradas ou em janela em v\u00e1rios formatos.<\/span><\/p>\n

O dispositivo tem uma matriz de imagem que roda a 60 quadros por segundo (fps) em VGA, com controle total do usu\u00e1rio sobre a qualidade da imagem, formato e transmiss\u00e3o de dados de sa\u00edda. Todas as fun\u00e7\u00f5es de processamento de imagem necess\u00e1rias, incluindo controle de exposi\u00e7\u00e3o, gama, balan\u00e7o de branco, satura\u00e7\u00e3o de cor, controle de matiz, etc.<\/span><\/p>\n

Caracter\u00edsticas:<\/span><\/strong><\/p>\n

Alta sensibilidade para opera\u00e7\u00e3o com pouca luz<\/span><\/p>\n

Interface SCCB padr\u00e3o<\/span><\/p>\n

Suporte de sa\u00edda para formatos RGB bruto, RGB (GRB 4:2:2, RGB565\/555\/444) e YCbCr (4:2:2)<\/span><\/p>\n

Suporta tamanhos de imagem: VGA, QVGA e qualquer tamanho de CIF at\u00e9 40\u00d730<\/span><\/p>\n

Fun\u00e7\u00f5es de controle autom\u00e1tico de imagem, incluindo: controle autom\u00e1tico de exposi\u00e7\u00e3o (AEC), controle autom\u00e1tico de ganho (AGC), balan\u00e7o de branco autom\u00e1tico (AWB), filtro passa-banda autom\u00e1tico (ABF) e calibra\u00e7\u00e3o autom\u00e1tica do n\u00edvel de preto (ABLC)<\/span><\/p>\n

Controle de qualidade de imagem, incluindo satura\u00e7\u00e3o de cor, matiz, gama, nitidez (melhoria de bordas) e anti-interfer\u00eancia de sinal<\/span><\/p>\n

O ISP inclui redu\u00e7\u00e3o de ru\u00eddo e corre\u00e7\u00e3o de defeitos<\/span><\/p>\n

Corre\u00e7\u00e3o de sombreamento da lente<\/span><\/p>\n

Ajuste autom\u00e1tico do n\u00edvel de satura\u00e7\u00e3o (ajuste UV)<\/span><\/p>\n

Ajuste autom\u00e1tico do n\u00edvel de aprimoramento de bordas<\/span><\/p>\n

Ajuste autom\u00e1tico do n\u00edvel de redu\u00e7\u00e3o de ru\u00eddo<\/span><\/p>\n

Capacidade de sincroniza\u00e7\u00e3o de quadros<\/span><\/p>\n

Cachorrozx OV7725<\/span> recomenda\u00e7\u00e3o do m\u00f3dulo da c\u00e2mera:<\/span><\/span><\/p>\n

\"OV7725<\/p>\n

<\/p>\n

Dogoozx Free Drive OV7725 480p Grande Angular 120 graus M\u00f3dulo de C\u00e2mera USB<\/span><\/a><\/p>\n

<\/p>\n

\"OV7725<\/p>\n

Dogoozx High-end OV7725 0.3MP VGA 60fps ISP Low Light DVP M\u00f3dulo de c\u00e2mera de reconhecimento facial<\/span><\/a><\/p>\n

<\/p>\n

\"OV7725<\/p>\n

Dogoozx OV7725 com m\u00f3dulo de c\u00e2mera de reconhecimento fotogr\u00e1fico de \u00e2ngulo estreito e focal longo ISP YUV VGA<\/span><\/a><\/p>\n

<\/p>\n

<\/p>\n

\"OV7725<\/p>\n

Dogoozx VAG com ISP YUV 60fps Scan Code controle de acesso de visitantes OV7725 m\u00f3dulo de c\u00e2mera DVP<\/span><\/a><\/p>\n

<\/p>\n

\"OV7725<\/p>\n

Dogoozx VGA 0.3MP 480P 60fps ov7725 1\/4 cmos foco fixo c\u00f3digo de varredura m\u00f3dulo de c\u00e2mera DVP<\/span><\/a><\/p>\n

<\/p>","protected":false},"excerpt":{"rendered":"

        The OV7725 Camera\u2122 image sensor is a low-voltage CMOS device that provides the full functionality of a single-chip VGA camera and image processor in a small package. The OV7725 is controlled via a serial camera control bus (SCCB) interface and provides full-frame, subsampled or windowed 8-bit\/10-bit images in multiple formats. The device has an image array that runs at 60 frames per second (fps) in VGA, with full user control over image quality, format and output data transmission. All necessary image processing functions, including exposure control, gamma, white balance, color saturation, hue control, etc. Features: High sensitivity for low light operation Standard SCCB interface Output support for raw RGB, RGB (GRB 4:2:2, RGB565\/555\/444) and YCbCr (4:2:2) formats Support image sizes: VGA, QVGA and any size from CIF down to 40\u00d730 Automatic image control functions, including: automatic exposure control (AEC), automatic gain control (AGC), automatic white balance (AWB), automatic bandpass filter (ABF) and automatic black level calibration (ABLC) Image quality control, including color saturation, hue, gamma, sharpness (edge enhancement) and anti-signal interference ISP includes noise reduction and defect correction Lens shading correction Automatic adjustment of saturation level (UV adjustment) Automatic adjustment of edge enhancement level Automatic adjustment of noise reduction level Frame synchronization capability Dogoozx OV7725 camera module recommendation: Dogoozx Free Drive OV7725 480p Wide Angle 120 degree USB Camera Module Dogoozx High-end OV7725 0.3MP VGA 60fps ISP Low Light DVP Face Recognition Camera Module Dogoozx OV7725 with ISP YUV VGA Long focal narrow angle photo recognition Camera Module Dogoozx VAG with ISP YUV 60fps Scan Code visitor access control OV7725 DVP camera module Dogoozx VGA 0.3MP 480P 60fps ov7725 1\/4 cmos fixed focus scan code DVP camera module<\/p>","protected":false},"author":5,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_eb_attr":"","footnotes":""},"categories":[622],"tags":[],"class_list":["post-13069","post","type-post","status-publish","format-standard","hentry","category-0-3mp-480p-camera-sensor"],"_links":{"self":[{"href":"https:\/\/dgzx.hk\/pt\/wp-json\/wp\/v2\/posts\/13069","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/dgzx.hk\/pt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/dgzx.hk\/pt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/dgzx.hk\/pt\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/dgzx.hk\/pt\/wp-json\/wp\/v2\/comments?post=13069"}],"version-history":[{"count":0,"href":"https:\/\/dgzx.hk\/pt\/wp-json\/wp\/v2\/posts\/13069\/revisions"}],"wp:attachment":[{"href":"https:\/\/dgzx.hk\/pt\/wp-json\/wp\/v2\/media?parent=13069"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dgzx.hk\/pt\/wp-json\/wp\/v2\/categories?post=13069"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dgzx.hk\/pt\/wp-json\/wp\/v2\/tags?post=13069"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}