create a new rgba matrix

decode a image and retrun golang image interface

convert image to NRGBA

read a image return a image matrix by path or image

calculate Cosine Similarity of two images, input two file path

create a three dimenson slice

resize size of image

fast nearest-neighbor resize, no filtering

Base64ToImg create a image file named dstFile from base64 encodeString.

binaryzation process of image matrix , threshold can use 127 to test

GetFingerprint use Perceptual Hash Algorithm to get fingerprint from a pircture

make a mirror of src

fuse two images(filepath) and the size of new image is as src1

Img2Base64 produce a base64 string from a image file.

Img2base64ByGoImage produce a base64 string from Image interface.

read a image return a image matrix , if appear an error it will panic

input a image as src , return a image matrix by negativefilmeffect process

save a image matrix as a jpeg,if unsuccessful it will return a error,quality must be 1 to 100

save a image matrix as a png , if unsuccessful it will return a error

set the opacity of image matrix , opacity must be 0.0 to 1.0

input a image matrix as src , return a image matrix by sunseteffect process