User profiles for Kinyua Wachira

Kinyua Wachira

Tutorial Fellow, University of Nairobi
Verified email at uonbi.ac.ke
Cited by 25

Effects of credit risk management practices on loan performance of commercial banks in Nyeri County, Kenya

AK Wachira - European Journal of Economic and Financial …, 2017 - oapub.org
This study sought to establish how various credit risk management practices affect performance
of commercial banks in Nyeri County in Kenya. Even though commercial banks face …

A pentomino-based path inspired demosaicking technique for the bayer color filter array

K Wachira, E Mwangi, G Jeon - AFRICON 2015, 2015 - ieeexplore.ieee.org
Spatial demosaicking methods are attractive due to their robust reconstruction capabilities
and low computational load. This paper presents a new gradient-based spatial demosaicking …

An ordinal direction driven gradient-based RGBW CFA demosaicking technique using a bayerisation process and polyomino theory

K Wachira, E Mwangi, G Jeon - 2017 IEEE AFRICON, 2017 - ieeexplore.ieee.org
Recent studies have shown that panchromatic colour filter arrays possess better light intensity
properties than the more prevalent Bayer array. This is an attractive property in integrated …

Current Biases and Future Research Avenues for Archive Image Colourisation

K Wachira, E Mwangi, HO Absaloms… - 2023 IEEE …, 2023 - ieeexplore.ieee.org
Recent advances in deep learning (DL) have resulted in a proliferation of techniques able
to colourise achromatic or monotone images. This was a previously dormant area of image …

A hybrid heuristic-based localised area demosaicking technique for panchromatic colour filter arrays.

K Wachira - 2018 - erepository.uonbi.ac.ke
Images have always been and remain a common and integral mode of human communication.
In the 21st century, a two-pronged communications revolution in the form of mobile hand-…

A multi-variate weighted interpolation technique with local polling for bayer CFA demosaicking

K Wachira, E Mwangi - 2015 International Conference on …, 2015 - ieeexplore.ieee.org
Gradient-based Spatial demosaicking techniques have gained prominence in literature for
their superior reconstruction capabilities. This paper presents a novel algorithm in this class …

Molecular diversity of Kenyan lablab bean (Lablab purpureus (L.) Sweet) accessions using amplified fragment length polymorphism markers

FN Wachira, EN Kimani, MG Kinyua - 2012 - repository.seku.ac.ke
Lablab purpureus (L.) Sweet is a multipurpose legume that combines use as human food
and animal feed in addition to serving as a cover crop for soil conservation. In this work, …

Corrective term usage in the improvement of gradient-based bayer CFA demosaicking algorithms

K Wachira - IEEE EUROCON 2015-International Conference on …, 2015 - ieeexplore.ieee.org
This paper presents a novel scrutiny into the role of corrective terms in gradient-based
demosaicking algorithms and how they can be used to improve image reconstruction. The terms …

Tertiary Education Integrity in a ChatGPT Conscious World: Preliminary Kenyan Observations

K Wachira, LN Wachira, E Mwangi… - 2023 IEEE …, 2023 - ieeexplore.ieee.org
The world has gained a keen and ubiquitous interest in the role that artificial intelligence (AI)
will play in future everyday life. Many previously niche tasks have seemingly and suddenly …

Entrepreneurial Strategic Capability and Performance of Small and Medium Enterprises in Kenya

PM Wachira, PK Ngugi… - … of Entrepreneurship & …, 2023 - edinburgjournals.org
The performance of most small and medium enterprises in Kenya has been declining, which
is evidenced by increased cases of closure after short operating period. This study sought …