func ReadJPEG(scope *op.Scope, imagePath string, channels int64) *Image {
	scope = tg.NewScope(scope)
	contents := op.ReadFile(scope.SubScope("ReadFile"), op.Const(scope.SubScope("filename"), imagePath))
	output := op.DecodeJpeg(scope.SubScope("DecodeJpeg"), contents, op.DecodeJpegChannels(channels))
	output = op.ExpandDims(scope.SubScope("ExpandDims"), output, op.Const(scope.SubScope("axis"), []int32{0}))
	image := &Image{
		Tensor: tg.NewTensor(scope, output)}
	return image.Scale(0, 1)
}
ReadJPEG reads the JPEG image whose path is `imagePath` that has `channels` channels
it returns an Image
package image
import (
	"fmt"
	tf "github.com/galeone/tensorflow/tensorflow/go"
	"github.com/galeone/tensorflow/tensorflow/go/op"
	tg "github.com/galeone/tfgo"
	"github.com/galeone/tfgo/image/padding"
	"strings"
)