const video = tf.tidy(() => {

        const imgData = {

          data: new Uint8Array(frame.data),

          width: frame.width,

          height: frame.height

        }

        const imgTensor = tf.browser.fromPixels(imgData, 4)

        const sliceOptions = getFrameSliceOptions(this.cameraPosition,frame.width, frame.height, this.displaySize.width, this.displaySize.height)

        return imgTensor.slice(sliceOptions.start, sliceOptions.size).resizeBilinear([this.displaySize.height, this.displaySize.width])

      })