Cascading and Residual Connected Network for Single Image Superresolution

<div>The architecture of cascading block (CAS-Block). <svg height="7.35473pt" id="M37" style="vertical-align:-0.3499303pt" version="1.1" viewbox="-0.0498162 -7.0048 7.75925 7.35473" width="7.75925pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.013,0,0,-0.013,0,0)"><path d="M573 255C573 407 448 530 294 530S15 407 15 255S140 -20 294 -20S573 103 573 255ZM520 280H323V484C426 471 508 386 520 280ZM265 280H68C80 386 162 471 265 484V280ZM265 26C162 39 80 124 68 230H265V26ZM520 230C508 124 426 39 323 26V230H520Z"></path></g></svg> operator denotes the element-wise additive operation and <svg height="11.439pt" id="M38" style="vertical-align:-2.15067pt" version="1.1" viewbox="-0.0498162 -9.28833 11.2785 11.439" width="11.2785pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.013,0,0,-0.013,0,0)"><path d="M290 -163V-135C183 -126 181 -122 181 -44V583C181 662 184 666 290 675V703H120V-163H290Z"></path></g><g transform="matrix(.013,0,0,-0.013,6.66,0)"><path d="M226 -163V703H56V676C162 667 165 662 165 584V-43C165 -122 162 -126 56 -136V-163H226Z"></path></g></svg> means cascading operation.</div>

Wireless Communications and Mobile Computing

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Figure 4

Figure 4: Cascading and Residual Connected Network for Single Image Superresolution 