pnmgamma

all

Perform gamma correction on PNM images.

Options (4)

boolean

Specify the gamma value used for the gamma transfer function

Example: pnmgamma {{[-ga|-gamma]}} {{value}} {{path/to/image.pnm}} > {{path/to/output.pnm}}

boolean

Specify the gamma value used for the gamma transfer function per color component

Example:

pnmgamma {{[-rg|-rgamma]}} {{value}} {{[-gg|-ggamma]}} {{value}} {{[-bg|-bgamma]}} {{value}} {{path/to/image.pnm}} > {{path/to/output.pnm}}

boolean

Specify the gamma value used for the gamma transfer function per color component

Example:

pnmgamma {{[-rg|-rgamma]}} {{value}} {{[-gg|-ggamma]}} {{value}} {{[-bg|-bgamma]}} {{value}} {{path/to/image.pnm}} > {{path/to/output.pnm}}

boolean

Specify the gamma value used for the gamma transfer function per color component

Example:

pnmgamma {{[-rg|-rgamma]}} {{value}} {{[-gg|-ggamma]}} {{value}} {{[-bg|-bgamma]}} {{value}} {{path/to/image.pnm}} > {{path/to/output.pnm}}

Convert the image from BT.709 luminance to radiance or sRGB luminance

pnmgamma -bt709tolinear|bt709tosrgb path/to/image.pnm > path/to/output.pnm

Convert the image from radiance or sRGB luminance to BT.709 luminance

pnmgamma -lineartobt709|srgbtobt709 path/to/image.pnm > path/to/output.pnm

Specify the gamma value used for the gamma transfer function

pnmgamma [-ga|-gamma] value path/to/image.pnm > path/to/output.pnm

Specify the gamma value used for the gamma transfer function per color component

pnmgamma [-rg|-rgamma] value [-gg|-ggamma] value [-bg|-bgamma] value path/to/image.pnm > path/to/output.pnm