Dr. Jiji is a distinguished Senior Member of the IEEE and a respected Fellow of the IETE. He earned his B.Tech degree from the University of Kerala and pursued further studies at the prestigious Indian Institute of Technology Bombay, Mumbai, where he completed his M.Tech and Ph.D. His significant contributions to the field of computer vision and image processing are evident through his research papers and presentations at renowned conferences, including ICVGIP and ECCV. With a wealth of experience, Dr. Jiji has served as a dedicated educator and academic leader, holding positions such as Principal at the College of Engineering Trivandrum and Professor at SRM University-AP.

Work Experience

36 yrs (Teaching, Research and Industry) 

• 04-04-2022 to 28-02-2023- Professor, SRM University-AP
• 01-06-2018 to 31-03-2022- Principal, College of Engineering Trivandrum
• 01-07-2017 to 31-05-2018- Dean Research, College of Engineering Trivandrum
• 01-04-2015 to 30-06-2017- Head of Department of Electronics and Communication, College of Engineering Trivandrum
• 01-07-1991 to 31-03-2015: Lecturer, Assistant Professor, Professor under Directorate of Technical Education (Various Government Engineering Colleges)

Publications

2026

1. Building Trustworthy Computer Vision Models to Specification. S Manamohan, CV Jiji. Computer Vision Conference
2. VGGT-Based COLMAP-Free Initialization for Sparse-View 3D Gaussian Splatting. S Venkatraman, YR Krishna. SPCOM 2026. (1)
3. NTIRE 2026 Rip Current Detection and Segmentation (RipDetSeg) Challenge Report. A Dumitriu et al. arXiv:2604.17070. (37)
4. SwarmShield: A Fully Decentralized Trust-Based Defense Against Adversarial Poisoning in Federated Learning. C Justine et al. Informatica 50(9)

2025

5. UNet-Mamba Fusion for Automated Glaucoma Screening via Cup-to-Disc Ratio Estimation. D RG et al. ICVGIP
6. M-Mednerf: 3D Modeling and Novel View Synthesis from Single-View X-Rays Using Mamba-Accelerated Neural Radiance Fields. L Kandukuri, JV Charangatt. TENCON 2025
7. Disease Classification and Report Generation from Chest X-Ray Images Using SigLIP and LLaVA. MS Kamalnath et al. TENCON 2025. (1)
8. Mamba-Based State Space Models for Single Image Super Resolution: A Comparative Study. CV Jiji. Congress on Intelligent Systems
9. Explainability to image captioning models: An improved post-hoc approach through Grad-CAM. H Kumar et al. ICE 2025. (3)

2024

10. UDC-Mamba: Deep State Space Model for Under Display Camera Image Restoration. A Sundararajan et al. CVIP. (1)
11. An instance-aware attention vision transformer for glaucoma detection using retinal fundus image analysis. RG Devika et al. CVIP. (4)
12. DINOv2 Distilled ViT Model with Focal Loss for Justified Referral Glaucoma Screening. PS Hrishikesh, CV Jiji. TENCON 2024
13. Uf-PromptGAN: A Nighttime Flare Removal Network Using Learnable Prompts. A Sundararajan et al. TENCON 2024
14. A CNN-based framework with focal loss for glaucoma detection on retinal fundus images. RG Devika et al. IEEE I2CT. (8)
15. A hybrid approach using CNN and active contour model for automated segmentation of macular edema. N George et al. J. Intelligent & Fuzzy Systems. (4)

2023

16. SL-Defender: Decentralized Defense for Adversarial Robustness in Federated Learning. C Justine, S Manamohan. IEEE ICCST
17. Small Object Detection in Remote Sensing Images. M Kuriakose et al. Advances in Small Satellite Technologies. (1)
18. Design and Performance Validation of CETSAT Sensor Module Fabricated Using COTS for Low Earth Orbit Application. MA Vaishnav et al. Advances in Small Satellite Technologies
19. Using COTS for Low Earth Orbit Application. MA Vaishnav et al. Same venue (likely a duplicate of #18)
20. Relativistic GAN using receptive field block for single image super-resolution with improved perceptual quality. PS Hrishikesh et al. ISED 2023. (5)

2022

21. RMSOD: A retinanet based mixed supervised object detection framework. BT Bastian, CV Jiji. IEEE INDICON. (3)
22. A transformer-based u-net architecture for fast and efficient image demoireing. D Puthussery et al. CVIP. (3)
23. MIPI 2022 challenge on under-display camera image restoration: Methods and results. R Feng et al. ECCV. (27)

2021

24. Comparative analysis of two stage and single stage detectors for anomaly detection. L Shine, CV Jiji. ICCCNT. (10)
25. NTIRE 2021 challenge on high dynamic range imaging: Dataset, methods and results. E Pérez-Pellitero et al. CVPR Workshops. (115)
26. Single image HDR synthesis using a densely connected dilated convnet. KA Akhil, CV Jiji. CVPR Workshops. (9)
27. Comparison of Background Extraction Methods for Anomaly Detection. L Shine, CV Jiji. ICCCIS. (1)

2020

28. Adversarial Network for Anomaly. A Edison, CV Jiji. CVIP-GIP
29. Transform domain pyramidal dilated convolution networks for restoration of under display camera images. D Puthussery et al. arXiv:2009.09393. (1)
30. Detection and pose estimation of auto-rickshaws from traffic images. BT Bastian, J Charangatt Victor. Machine Vision and Applications 31(6). (2)
31. Transform domain pyramidal dilated convolution networks for restoration of under display camera images. H Panikkasseril Sethumadhavan et al. ECCV. (26)
32. AIM 2020 challenge on video extreme super-resolution. D Fuoli et al. ECCV. (27)
33. AIM 2020 challenge on rendering realistic bokeh. A Ignatov et al. ECCV. (57)
34. AIM 2020: Scene relighting and illumination estimation challenge. M El Helou et al. ECCV. (60)
35. AIM 2020 challenge on efficient super-resolution. K Zhang et al. ECCV. (129)
36. UDC 2020 challenge on image restoration of under-display camera. Y Zhou et al. ECCV. (48)
37. WDRN: A wavelet decomposed relightnet for image relighting. D Puthussery et al. ECCV. (20)
38. Fractional data distillation model for anomaly detection in traffic videos. L Shine et al. CVPR Workshops. (20)
39. NTIRE 2020 challenge on image and video deblurring. S Nah et al. CVPR Workshops. (42)
40. NTIRE 2020 challenge on perceptual extreme super-resolution. K Zhang et al. CVPR Workshops. (67)
41. NTIRE 2020 challenge on image demoireing. S Yuan et al. CVPR Workshops. (47)
42. Automated detection of helmet on motorcyclists from traffic surveillance videos: a comparative analysis using hand-crafted features and CNN. L Shine, CV Jiji. Multimedia Tools and Applications 79(19). (80)
43. OCT segmentation using convolutional neural network. N George, CV Jiji. IEEE ISBI Workshops. (3)
44. Advances in small satellite technologies. PS Sastry, C Jiji et al. Development 87(97). (4)
45. Integrated feature set using aggregate channel features and histogram of sparse codes for human detection. BT Bastian, J CV. Multimedia Tools and Applications 79(3). (4)

2019

46. Motion-constrained generative adversarial network for anomaly detection. A Edison, CV Jiji. NCVPRIPG. (2)
47. Choroid Disease Classification Using Convolutional Neural Network. N George, JC V. NCVPRIPG. (1)
48. Visual inspection and characterization of external corrosion in pipelines using deep neural network. BT Bastian et al. NDT & E International 107. (244)
49. Non-uniform Deblurring from Blurry/Noisy Image Pairs. PL Deepa, CV Jiji. CVIP. (1)
50. Motion artifact removal in ambulatory ECG signal for heart rate variability analysis. D Berwal et al. IEEE Sensors Journal 19(24). (96)
51. Refraction Corrected Pose Estimation for 3D reconstruction of underwater objects. VS Parvathi, CV Jiji. ICCCNT. (2)
52. Convolutional Neural Network for automatic segmentation of EDI OCT images. N George, CV Jiji. ICCCNT. (5)
53. Two stage contour evolution for automatic segmentation of choroid and cornea in OCT images. N George, CV Jiji. Biocybernetics and Biomedical Engineering 39(3). (30)
54. Automated video analysis for action recognition using descriptors derived from optical acceleration. A Edison, CV Jiji. Signal, Image and Video Processing 13(5). (9)
55. Pedestrian detection using first- and second-order aggregate channel features. BT Bastian, J CV. Int. J. Multimedia Information Retrieval 8(2). (12)
56. A comparative study of Faster R-CNN models for anomaly detection in 2019 AI City Challenge. L Shine et al. CVPR Workshops. (26)

2018

57. A Two Stage Contour Evolution. G Neetha, CV Jiji. CVIP-GIP
58. Multiview 3D reconstruction of underwater scenes acquired with a single refractive layer using structure from motion. VS Parvathi, JC Victor. NCC 2018. (7)

2017

59. RGB Patch Clustering for Hyperspectral Image Super-resolution Using Sparse Coding. VG Sreena, CV Jiji. ICAPR
60. Enhanced Aggregated Channel Features Detector for Pedestrian Detection Using Parameter Optimisation and Deep Features. BT Bastian, CV Jiji. NCVPRIPG
61. A two stage contour evolution approach for the measurement of choroid thickness in EDI-OCT images. G Neetha, CV Jiji. NCVPRIPG. (4)
62. Aggregated channel features with optimum parameters for pedestrian detection. BT Bastian, CV Jiji. PReMI. (4)
63. Optical acceleration for motion description in videos. A Edison, CV Jiji. CVPR Workshops. (22)

2016

64. Computer aided screening of retinopathy of prematurity: a multiscale Gabor filter approach. R Sivakumar et al. ISED. (12)
65. Diagnosis of plus diseases for the automated screening of retinopathy of prematurity in preterm infants. R Sivakumar et al. ICIIS. (10)

2015

66. HSGA: A novel acceleration descriptor for human action recognition. A Edison, CV Jiji. NCVPRIPG. (8)
67. Single shot high dynamic range imaging using histogram separation and exposure fusion. AK Johnson, CV Jiji. NCVPRIPG. (10)
68. Histogram of Radon Projections: A new descriptor for object detection. SS Kumar, CV Jiji. NCVPRIPG. (2)
69. A novel remote sensing image fusion algorithm using ICA bases. CS Manu, CV Jiji. ICAPR. (7)

2013

70. Kernel estimation from blurred edge profiles using Radon Transform for shaken images. CM Fasil, CV Jiji. NCVPRIPG. (2)
71. Automatic number plate recognition system using modified stroke width transform. KV Jobin et al. NCVPRIPG. (12)
72. Fusion of multispectral and panchromatic images based on the nonsubsampled contourlet transform. CV Jiji, RK Unni. Int. J. Image and Graphics 13(3). (3)

2012

73. A stochastic image denoising algorithm using 3-D block filtering under a non-local means framework. SG Pai, CV Jiji. ICVGIP. (1)
74. Image recovery from partial wavelet coefficients via sparse representation. G Jacob, CV Jiji. ICVGIP

2011

75. SWT-based remote sensing image fusion. CS Manu, CV Jiji. 12th Nat. Conf. on Technological Trends. (1)
76. Face hallucination using Eigen transformation in transform domain. V Abdu Rahiman, J CV. Int. J. Image Processing 3(6). (8)

2008

77. Face Hallucination using PCA in Wavelet Domain. V Abdu Rahiman, CV Jiji. VISAPP proceedings. (1)
78. Face Hallucination Using PCA in Wavelet Domain. VA Rahiman, CV Jiji. VISAPP (1), 180-187 (duplicate of #77)
79. Fusion of Multispectral and Panchromatic Images using Nonsubsampled Contourlet Transform. CV Jiji, RK Unni. IPCV, 608-613. (1)

2007

80. Single frame image super-resolution: should we process locally or globally? CV Jiji, S Chaudhuri, P Chatterjee. Multidimensional Systems and Signal Processing 18(2). (42)

2006

81. Single-frame image super-resolution through contourlet learning. CV Jiji, S Chaudhuri. EURASIP J. Advances in Signal Processing. (133)
82. Alias-free interpolation. CV Jiji, P Neethu, S Chaudhuri. ECCV. (7)

2004

83. PCA Based Generalized Interpolation for Image Super-Resolution. CV Jiji, S Chaudhuri. ICVGIP. (22)
84. Single-frame image super-resolution using learned wavelet coefficients. CV Jiji, MV Joshi, S Chaudhuri. Int. J. Imaging Systems and Technology 14(3). (137)

Awards

• Best paper Award: National Conference on Computer Vision, Pattern Recognition, Image Processing and Graphics (NCVPRIPG 2015), IIT Patna
• Challenge Winner Award: UDC 2020 Challenge on Image Restoration of Under-Display Camera In conjunction with European Conference on Computer Vision (ECCV) 2020 Workshop on Real-world Recognition from Low-quality Inputs (RLQ), Glasgow, UK,August 2020
• Challenge Winner Award: AIM 2020 Challenge on Scene Relighting and Illumination Estimation, Advances in Image Manipulation Workshop, European Conference on Computer Vision (ECCV), Glasgow, UK, August 2020

Area of Research

• Computer Vision
• Image Processing
• Computational
• Photography
• Signal Processing

Links

Google Scholar: https://scholar.google.com/citations?user=kTK8xr8AAAAJ&hl=en&oi=ao