              const keypoints = gpu.getKeypoints( rgba, canvas3d.width, canvas3d.height );
                Stats.stop( 'cpu' );

                bmd.data.set( rgba );

                const color = 0xFFFF00FF;
                const pixels = new Uint32Array( bmd.data.buffer );
                const width = bmd.width;

                for( const keypoint of keypoints )
                {
                    const index = (keypoint.x + keypoint.y * width);

                    pixels[index] = color;
           