anchor.diff:            }
   
             // Filter image sets based on matching widths and selection
  -          var matchingCompareSets = compareSets.filter(function matchCompareSet (compareSet) {
  +          var matchingImageSetInfos = imageSetInfos.filter(function matchImageSetInfo (imageSetInfo) {
               // If the images are different widths, return false
               // TODO: Allow this to be a configurable heuristic
  -            var actualDiffImg = compareSet.diffImg;
  -            // TODO: Use `naturalWidth`
  -            if (expectedDiffImg.width !== actualDiffImg.width) {
  +            var actualDiffImg = imageSetInfo.diffImg;
  +            if (expectedDiffImg.naturalWidth !== actualDiffImg.naturalWidth) {
                 return false;
               }
   
  
positive.code:             var resultGroupEl = D.DIV([
                D.TR([
                  // TODO: Add collapse support like in `gemini-gui`
                  D.TD({colspan: 3}, D.B(compareSet.name))
                ]),
                D.TR([
                  // TODO: Move style out of inline and to classes for more performance
  
negative.code:           console.timeEnd('findSelectionMatches');
  
            // Pass through matching sets to `bulkUpdateSelection`
            bulkUpdateSelection(matchingImageSetInfos);
          }
  
          function bulkUpdateSelection(imageSetInfos) {
            // Start our performance check (620ms total for 100 1024x1600 images, 400ms seems to be first `drawImage`)
            console.time('bulkUpdateSelection');
  
            // Find our output targets
            var resultsDocFrag = document.createDocumentFragment();
  
            // Generate and updated ref image for each of our comparisons
            imageSetInfos.forEach(function generateUpdatedRef (imageSetInfo) {
              // Localize our references
              var currentImg = imageSetInfo.currentImg;
              var refImg = imageSetInfo.refImg;
  
              // Create a canvas
              // https://github.com/scijs/get-pixels/blob/7c447cd979637b31e47e148f238a1e71611af481/dom-pixels.js#L14-L18
  