One-inch photos are generally set to be 2.7 cm wide and 3.6 cm high with a resolution of 300 pixels/inch. However, the number of pixels depends on the purpose. If it is developed, the resolution is generally 300dpi, which is 295*4 12. When viewed online, the resolution is generally 72dpi, which is 7 1*99.
Naming of photo size:
The "inch" in the photo means "inch", 1 inch =2.54 cm;
In addition, the photo size is different at home and abroad, such as 3.5X5 4X6 5X7. ....
The domestic names are 5 inches, 6 inches, 7 inches ..., and the values are taken from the long side of the photo;
The foreign names are 3R, 4R, 5R ..., and the values are taken from the short side of the photo.
Electronic photo collection standard:
First of all, the photo electronic information is a color image, which is stored in the form of an image file for everyone. The image file is named after my ID number (soldiers use sergeant's card number), and the format is "* * * *". Jpg ",where" * * * "is the ID number (18 or 15) or the number of the staff sergeant," jpg.
Second, background requirements: unify the blue color, and output the blue value (RGB or GMYK): R 51g143b178, C80m13Y2K3.
Three. Lighting requirements: provide two tricolor soft light lamps (cold light source, color temperature 5600K), two lamp holders, 12 matching lamps, 6m× 2 matching cables and 2 sets of plugs. The height of the lamp is the same as the photographer's shoulder height, with an angle of 45 degrees left and right, aiming at the photographer's head and a distance of 1.5-2 meters.
4. Digital camera requirements: the pixel is not less than 4 million, the highest resolution (DPI) is 2048, the standard storage capacity (MB) 16mb, and the optical zoom factor is 4. Aperture F8; The shutter is 125/ s, and the upper and lower heads in the imaging area are required to be110, with the head accounting for 7/ 10 and the shoulder accounting for1/5; The left and right spaces are110.
Brightness control: input value 145, output value 1 10.
Picture size (pixel): width: 150, height: 2 10.
Size: ≤ 10K, format: JPG.
The total imaging area is 48mmX33mm, the head width is 2 1mm-24mm, and the head length is 28 mm-33 mm; 25 mm to 35 mm from the forehead to the top of the head; The image length is 35mm x 45mm.
Photographic clothing: white or light color.
Driver's license photo requirements:
Straight-edge, bareheaded and full-body color photos of the applicant within 6 months before applying for motor vehicle driver's license business.
The background color is white;
Irregular clothes; Portraits should be clear, with rich levels, natural expressions and no obvious distortion.
The photo size is 32mm×22mm, the head width is 14mm ~ 16mm, and the head length is19 mm ~ 22 mm.
Requirements for photos of second-generation ID cards: [Ministry of Public Security formulates technical standards for making digital photos of resident ID cards (GA 461-2004)];
The citizen himself has a recent bareheaded color head portrait, which accounts for 2/3 of the photo size. He doesn't wear standard clothes or a white coat. Residents who often wear glasses should wear glasses, with clear white background, rich levels, natural expression and no obvious distortion.
Color mode: 24-bit RGB true color.
The photo size is 32 mm× 26 mm; Photo specification: 358 pixels (width) ×44 1 pixel (height), resolution 350dpi,
The portrait is horizontally centered in the rectangular frame of the photo, with a face width of 207 pixels 14 pixels, the hair on the top of the head is 7 pixels to 2 1 pixel from the upper edge of the photo, and the eyes are not less than 207 pixels from the lower edge of the photo. When the distance between the hair on the top of the head and the eyes to the upper edge of the photo cannot meet the above requirements at the same time, the distance between the eyes and the lower edge of the photo should be ensured to be not less than 207.
Passport photo requirements:
The photo is the holder's recent straight-edge bareheaded color half-length photo (glossy paper). National public officials do not wear standard clothes, children do not wear red scarves, and photos are limited to 1 person.
The background color is white or light blue; Photos wearing white clothes must use light blue background color, and other clothes should use white background color;
Photos require clear portraits, rich levels and natural expressions. One-time snapshots, remake photos or photos printed by various color printers (including digital photos) are not accepted.
Photo size: 48mm×33mm, head width: 2 1 mm ~ 24 mm, head length: 28mm ~ 33mm；; One-time snapshots, remake photos or photos printed by a color printer whose head size exceeds the specified size range and does not meet the above requirements will not be accepted by the exit-entry administration department of the public security organ when handling passports.
Common photo size
Photo size (inches) (centimeters) (pixels)
1 inch 2.5*3.5cm 4 13*295
Certificate photo 3.3*2.2 390*260
2 inch 3.5*5.3cm 626*4 13
2 inches smaller (passport) 4.8*3.3cm 567*390
5 inch 5x3.512.7 * 8.91200x840 or above.
6 inch 6x415.2 *10.21440x960 or above.
7 inches 7x517.8 *12.71680x1200 or more.
8 inches 8 x 6 20.3 *15.21920x1440 or more.
/kloc-over 0/0 inch10x8 25.4 * 20.3 2400x1920
12 inch12x1030.5 * 20.3 2500x2000 or more.
15 inch15x10 38.1* 25.4 3000x2000
Postscript:
In addition, regardless of the number of pixels of a digital film, only look at the number of pixels on the long side, 1200 is 5 inches, 1400 is 6 inches, 1700 is 7 inches, and so on.