1. Range-restricted pixel difference global histogram equalization for infrared image contrast enhancement

   • Jianjun Wang
   • Yi Li
   • HuiBin Gao

   Regular Paper 03 February 2021 Pages: 145 - 158

   

2. Different latencies of edge detection cause the fluttering-heart illusion

   • Masahiro Suzuki
   • Kazuhisa Yanaka

   Regular Paper Open access 16 February 2021 Pages: 159 - 173

   

3. Effect of shift in refractive index of dispersive elements in waveband-shift-free optical-phase conjugator based on DFG

   • Yasuhiro Okamura
   • Atsushi Takada

   Regular Paper 27 February 2021 Pages: 174 - 180

   

4. Spatial mode exchange technique using volume holograms with a random optical diffuser for reduction of crosstalk

   • Shuanglu Zhang
   • Atsushi Okamoto
   • Naoya Wada

   Regular Paper 01 March 2021 Pages: 181 - 189

   

5. Low-noise and fast three-dimensional information encryption based on the double-phase method

   • Xiaohui Wang
   • Keming Chang
   • Yuhen Hu

   Regular Paper 26 February 2021 Pages: 190 - 198

   

6. Design and optimization of a microwave photonic filter exploiting differential mode group delay of a multi-mode fiber

   • Jawad Mirza
   • Ahmad Atieh
   • Salman Ghafoor

   Regular Paper 12 March 2021 Pages: 199 - 206

   

7. Accuracy optimization method of ultrasonic power measurement system based on acousto-optic effect

   • Ben Shen
   • Baoshan Zeng
   • Fulong Zhu

   Regular Paper 10 March 2021 Pages: 207 - 214

   

8. An improvement over TCP Vegas to enhance its performance in optical burst switching networks

   • Reza Poorzare
   • Anna Calveras
   • Siamak Abedidarabad

   Regular Paper 12 March 2021 Pages: 215 - 226

   

9. Three-dimensional shape measurement based on speckle-embedded fringe patterns and wrapped phase-to-height lookup table

   • Jialing Zhang
   • Wenbo Guo
   • Qican Zhang

   Regular Paper 15 March 2021 Pages: 227 - 238

   

10. Optimization of spectral-domain optical coherence tomography with a supercontinuum source for in vivo motion detection of low reflective outer hair cells in guinea pig cochleae

    • Fumiaki Nin
    • Samuel Choi
    • Hiroshi Hibino

    Regular Paper Open access 29 March 2021 Pages: 239 - 254

    

11. Single mode fiber-free space optic based hybrid \(32\times 2~\text{Gbps}\) WDM-PON architecture employing optical frequency comb source and polarization multiplexing

    • Jawad Mirza
    • Benish Kanwal
    • Ahmad Atieh

    Regular Paper 07 April 2021 Pages: 255 - 265

    

12. Effect of controlling optical wavelength by spectacle lenses on visual quality

    • Tomoya Handa
    • Shuji Nakatsuka
    • Hirotaka Ito

    Short Note 01 April 2021 Pages: 266 - 269