problemas al utilizar Imagenes en Julia

tengo esto
julia> using TestImages

julia> img = testimage(“mandrill”)
512×512 Array{RGB{N0f8},2} with eltype ColorTypes.RGB{FixedPointNumbers.Normed{UInt8,8}}:
RGB{N0f8}(0.643,0.588,0.278) RGB{N0f8}(0.247,0.224,0.122) RGB{N0f8}(0.294,0.169,0.039) … RGB{N0f8}(0.553,0.667,0.396) RGB{N0f8}(0.702,0.737,0.463)
RGB{N0f8}(0.471,0.49,0.243) RGB{N0f8}(0.529,0.38,0.129) RGB{N0f8}(0.216,0.137,0.09) RGB{N0f8}(0.533,0.624,0.502) RGB{N0f8}(0.471,0.541,0.29)
RGB{N0f8}(0.388,0.29,0.122) RGB{N0f8}(0.518,0.463,0.18) RGB{N0f8}(0.235,0.161,0.141) RGB{N0f8}(0.341,0.357,0.302) RGB{N0f8}(0.376,0.314,0.192)
RGB{N0f8}(0.251,0.31,0.188) RGB{N0f8}(0.588,0.565,0.224) RGB{N0f8}(0.443,0.384,0.137) RGB{N0f8}(0.357,0.282,0.2) RGB{N0f8}(0.243,0.306,0.184)
RGB{N0f8}(0.431,0.329,0.153) RGB{N0f8}(0.51,0.518,0.18) RGB{N0f8}(0.635,0.518,0.204) RGB{N0f8}(0.251,0.357,0.239) RGB{N0f8}(0.314,0.369,0.235)
RGB{N0f8}(0.38,0.329,0.114) RGB{N0f8}(0.322,0.314,0.153) RGB{N0f8}(0.702,0.651,0.271) … RGB{N0f8}(0.545,0.675,0.325) RGB{N0f8}(0.659,0.788,0.463)
RGB{N0f8}(0.239,0.149,0.09) RGB{N0f8}(0.275,0.184,0.102) RGB{N0f8}(0.584,0.557,0.2) RGB{N0f8}(0.792,0.827,0.463) RGB{N0f8}(0.651,0.675,0.467)
RGB{N0f8}(0.212,0.09,0.122) RGB{N0f8}(0.247,0.192,0.118) RGB{N0f8}(0.451,0.482,0.161) RGB{N0f8}(0.42,0.537,0.271) RGB{N0f8}(0.525,0.596,0.314)
RGB{N0f8}(0.251,0.212,0.216) RGB{N0f8}(0.263,0.161,0.145) RGB{N0f8}(0.282,0.208,0.102) RGB{N0f8}(0.663,0.651,0.278) RGB{N0f8}(0.467,0.518,0.29)
RGB{N0f8}(0.216,0.125,0.09) RGB{N0f8}(0.212,0.09,0.067) RGB{N0f8}(0.2,0.208,0.063) RGB{N0f8}(0.38,0.318,0.153) RGB{N0f8}(0.596,0.561,0.239)
RGB{N0f8}(0.212,0.106,0.047) RGB{N0f8}(0.216,0.165,0.082) RGB{N0f8}(0.373,0.173,0.082) … RGB{N0f8}(0.306,0.31,0.125) RGB{N0f8}(0.369,0.235,0.165)
RGB{N0f8}(0.2,0.11,0.059) RGB{N0f8}(0.231,0.173,0.114) RGB{N0f8}(0.357,0.314,0.125) RGB{N0f8}(0.388,0.267,0.161) RGB{N0f8}(0.243,0.341,0.173)
RGB{N0f8}(0.196,0.125,0.063) RGB{N0f8}(0.231,0.302,0.153) RGB{N0f8}(0.412,0.349,0.212) RGB{N0f8}(0.247,0.459,0.251) RGB{N0f8}(0.408,0.431,0.243)
RGB{N0f8}(0.2,0.075,0.035) RGB{N0f8}(0.231,0.137,0.047) RGB{N0f8}(0.376,0.471,0.157) RGB{N0f8}(0.58,0.576,0.365) RGB{N0f8}(0.314,0.31,0.208)
RGB{N0f8}(0.224,0.063,0.09) RGB{N0f8}(0.208,0.153,0.071) RGB{N0f8}(0.353,0.353,0.137) RGB{N0f8}(0.416,0.361,0.161) RGB{N0f8}(0.518,0.596,0.259)
RGB{N0f8}(0.345,0.275,0.11) RGB{N0f8}(0.235,0.325,0.086) RGB{N0f8}(0.545,0.498,0.161) … RGB{N0f8}(0.506,0.592,0.322) RGB{N0f8}(0.486,0.522,0.29)
RGB{N0f8}(0.325,0.325,0.09) RGB{N0f8}(0.475,0.42,0.102) RGB{N0f8}(0.584,0.569,0.165) RGB{N0f8}(0.451,0.482,0.243) RGB{N0f8}(0.412,0.482,0.278)
RGB{N0f8}(0.235,0.208,0.125) RGB{N0f8}(0.373,0.357,0.075) RGB{N0f8}(0.502,0.541,0.157) RGB{N0f8}(0.506,0.608,0.282) RGB{N0f8}(0.659,0.761,0.353)
RGB{N0f8}(0.267,0.227,0.145) RGB{N0f8}(0.216,0.18,0.078) RGB{N0f8}(0.235,0.192,0.102) RGB{N0f8}(0.745,0.757,0.58) RGB{N0f8}(0.569,0.588,0.439)
RGB{N0f8}(0.592,0.455,0.251) RGB{N0f8}(0.157,0.125,0.106) RGB{N0f8}(0.192,0.129,0.086) RGB{N0f8}(0.322,0.306,0.196) RGB{N0f8}(0.541,0.675,0.208)
⋮ ⋱ ⋮
RGB{N0f8}(0.518,0.675,0.722) RGB{N0f8}(0.553,0.714,0.749) RGB{N0f8}(0.561,0.686,0.718) RGB{N0f8}(0.361,0.369,0.329) RGB{N0f8}(0.345,0.306,0.337)
RGB{N0f8}(0.51,0.678,0.686) RGB{N0f8}(0.549,0.682,0.639) RGB{N0f8}(0.545,0.663,0.627) RGB{N0f8}(0.333,0.275,0.357) RGB{N0f8}(0.31,0.376,0.298)
RGB{N0f8}(0.545,0.675,0.722) RGB{N0f8}(0.494,0.675,0.663) RGB{N0f8}(0.486,0.588,0.459) … RGB{N0f8}(0.349,0.235,0.329) RGB{N0f8}(0.282,0.302,0.271)
RGB{N0f8}(0.482,0.647,0.667) RGB{N0f8}(0.478,0.573,0.471) RGB{N0f8}(0.467,0.49,0.412) RGB{N0f8}(0.322,0.369,0.263) RGB{N0f8}(0.318,0.251,0.239)
RGB{N0f8}(0.506,0.584,0.557) RGB{N0f8}(0.451,0.576,0.537) RGB{N0f8}(0.51,0.588,0.471) RGB{N0f8}(0.302,0.18,0.298) RGB{N0f8}(0.314,0.388,0.29)
RGB{N0f8}(0.502,0.565,0.533) RGB{N0f8}(0.471,0.6,0.588) RGB{N0f8}(0.557,0.667,0.647) RGB{N0f8}(0.38,0.349,0.243) RGB{N0f8}(0.282,0.318,0.322)
RGB{N0f8}(0.506,0.612,0.624) RGB{N0f8}(0.604,0.659,0.596) RGB{N0f8}(0.561,0.675,0.655) RGB{N0f8}(0.267,0.325,0.263) RGB{N0f8}(0.322,0.314,0.247)
RGB{N0f8}(0.561,0.659,0.71) RGB{N0f8}(0.525,0.663,0.702) RGB{N0f8}(0.518,0.58,0.573) … RGB{N0f8}(0.361,0.251,0.282) RGB{N0f8}(0.322,0.341,0.294)
RGB{N0f8}(0.518,0.635,0.608) RGB{N0f8}(0.51,0.612,0.58) RGB{N0f8}(0.498,0.561,0.616) RGB{N0f8}(0.345,0.337,0.192) RGB{N0f8}(0.373,0.302,0.267)
RGB{N0f8}(0.502,0.62,0.541) RGB{N0f8}(0.498,0.573,0.545) RGB{N0f8}(0.455,0.561,0.576) RGB{N0f8}(0.325,0.247,0.227) RGB{N0f8}(0.325,0.275,0.29)
RGB{N0f8}(0.416,0.486,0.498) RGB{N0f8}(0.447,0.525,0.529) RGB{N0f8}(0.494,0.584,0.655) RGB{N0f8}(0.384,0.298,0.29) RGB{N0f8}(0.267,0.365,0.345)
RGB{N0f8}(0.459,0.51,0.463) RGB{N0f8}(0.471,0.498,0.49) RGB{N0f8}(0.447,0.557,0.569) RGB{N0f8}(0.298,0.318,0.224) RGB{N0f8}(0.278,0.231,0.212)
RGB{N0f8}(0.42,0.451,0.467) RGB{N0f8}(0.416,0.498,0.475) RGB{N0f8}(0.451,0.541,0.529) … RGB{N0f8}(0.408,0.29,0.306) RGB{N0f8}(0.329,0.337,0.365)
RGB{N0f8}(0.38,0.42,0.447) RGB{N0f8}(0.388,0.451,0.475) RGB{N0f8}(0.451,0.541,0.561) RGB{N0f8}(0.373,0.31,0.29) RGB{N0f8}(0.29,0.353,0.286)
RGB{N0f8}(0.365,0.388,0.353) RGB{N0f8}(0.361,0.486,0.478) RGB{N0f8}(0.455,0.58,0.549) RGB{N0f8}(0.353,0.38,0.294) RGB{N0f8}(0.349,0.325,0.333)
RGB{N0f8}(0.376,0.451,0.525) RGB{N0f8}(0.463,0.553,0.549) RGB{N0f8}(0.522,0.627,0.62) RGB{N0f8}(0.42,0.318,0.349) RGB{N0f8}(0.325,0.357,0.376)
RGB{N0f8}(0.475,0.58,0.608) RGB{N0f8}(0.482,0.612,0.588) RGB{N0f8}(0.486,0.588,0.545) RGB{N0f8}(0.353,0.365,0.275) RGB{N0f8}(0.318,0.314,0.235)
RGB{N0f8}(0.494,0.663,0.659) RGB{N0f8}(0.459,0.592,0.592) RGB{N0f8}(0.475,0.533,0.522) … RGB{N0f8}(0.388,0.271,0.337) RGB{N0f8}(0.314,0.247,0.278)
RGB{N0f8}(0.035,0.043,0.047) RGB{N0f8}(0.039,0.047,0.043) RGB{N0f8}(0.043,0.059,0.047) RGB{N0f8}(0.008,0.02,0.0) RGB{N0f8}(0.016,0.02,0.008)

y al darle

julia> imshow(img)

me sale este error

julia> imshow(img)
ERROR: UndefVarError: imshow not defined
Stacktrace:
[1] top-level scope at none:0

ya utilice

julia> ImageView.imshow(img)
ERROR: UndefVarError: ImageView not defined
Stacktrace:
[1] top-level scope at none:0

Alguien me puede ayudar?

Hola, tipicamente acá hay solamente personas de habla inglesa, así que más gente vendría con un post en inglés, pero dejame ver :smile:

I think you need using Images as well.

Please read

(Efectivamente aquí suele haber posts sólo en inglés.
Creo que necesitas using Images también.)

prueba esto, debería funcionar

using ImageView, TestImages
img = testimage(“mandrill”)
imshow(img)

Actualización, no requiere el paquete Images para la visualización, ImageView es necesario

thanks…